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Title
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1 -RS485-LN – RS485 to LoRaWAN Converter User Manual
1 +RS485-LN – RS485 to LoRaWAN Converter
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.ting
1 +XWiki.Xiaoling
Content
... ... @@ -1,44 +1,28 @@
1 -(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
2 -(((
3 -(% data-widget="image" style="text-align:center" %)
4 -[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
1 +(% style="text-align:center" %)
2 +[[image:1653266934636-343.png||height="385" width="385"]]
5 5  
6 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
7 -)))
8 8  
9 9  
6 +**RS485-LN – RS485 to LoRaWAN Converter User Manual**
10 10  
11 11  
12 -
13 -
14 -
15 15  **Table of Contents:**
16 16  
17 -{{toc/}}
18 18  
19 19  
20 -(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
21 -(((
22 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
23 -)))
24 24  
25 25  
15 += 1.Introduction =
26 26  
27 -
28 -
29 -
30 -
31 -= 1. Introduction =
32 -
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 -
36 36  (((
20 +(((
37 37  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
38 38  )))
39 39  
40 40  (((
41 -RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
25 +RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
42 42  )))
43 43  
44 44  (((
... ... @@ -47,33 +47,31 @@
47 47  
48 48  (((
49 49  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
50 -)))
51 51  
52 -(((
53 53  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
54 54  )))
37 +)))
55 55  
39 +[[image:1653267211009-519.png||height="419" width="724"]]
56 56  
57 -(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
58 58  
59 -
60 60  == 1.2 Specifications ==
61 61  
62 62  
63 -(% style="color:#037691" %)**Hardware System:**
45 +**Hardware System:**
64 64  
65 -* STM32L072xxxx MCU
47 +* STM32L072CZT6 MCU
66 66  * SX1276/78 Wireless Chip 
67 67  * Power Consumption (exclude RS485 device):
68 68  ** Idle: 32mA@12v
69 69  ** 20dB Transmit: 65mA@12v
70 70  
71 -(% style="color:#037691" %)**Interface for Model:**
53 +**Interface for Model:**
72 72  
73 73  * RS485
74 74  * Power Input 7~~ 24V DC. 
75 75  
76 -(% style="color:#037691" %)**LoRa Spec:**
58 +**LoRa Spec:**
77 77  
78 78  * Frequency Range:
79 79  ** Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -92,13 +92,14 @@
92 92  * Preamble detection.
93 93  * 127 dB Dynamic Range RSSI.
94 94  * Automatic RF Sense and CAD with ultra-fast AFC.
95 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
96 96  
97 -== 1.3 Features ==
98 98  
99 99  
81 +== 1.3 Features ==
82 +
100 100  * LoRaWAN Class A & Class C protocol (default Class C)
101 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
84 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
102 102  * AT Commands to change parameters
103 103  * Remote configure parameters via LoRa Downlink
104 104  * Firmware upgradable via program port
... ... @@ -106,9 +106,10 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink (Since hardware version v1.2)
108 108  
109 -== 1.4 Applications ==
110 110  
111 111  
94 +== 1.4 Applications ==
95 +
112 112  * Smart Buildings & Home Automation
113 113  * Logistics and Supply Chain Management
114 114  * Smart Metering
... ... @@ -116,35 +116,21 @@
116 116  * Smart Cities
117 117  * Smart Factory
118 118  
119 -== 1.5 Firmware Change log ==
120 120  
121 121  
105 +== 1.5 Firmware Change log ==
106 +
122 122  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
123 123  
124 124  
125 125  == 1.6 Hardware Change log ==
126 126  
127 -
128 128  (((
129 129  (((
130 -(((
131 131  v1.2: Add External Interrupt Pin.
132 -)))
133 133  
134 -(((
135 135  v1.0: Release
136 -)))
137 137  
138 -
139 -== 1.7 Pin Definitions ==
140 -
141 -
142 -The following diagram shows the V1.2 hardware version.
143 -
144 -[[image:image-20240925161141-1.jpeg||height="412" width="405"]]
145 -
146 -[[image:image-20240925161157-2.jpeg||height="367" width="545"]]
147 -
148 148  
149 149  )))
150 150  )))
... ... @@ -151,7 +151,6 @@
151 151  
152 152  = 2. Power ON Device =
153 153  
154 -
155 155  (((
156 156  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
157 157  
... ... @@ -162,7 +162,7 @@
162 162  Once there is power, the RS485-LN will be on.
163 163  )))
164 164  
165 -(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
134 +[[image:1653268091319-405.png]]
166 166  
167 167  
168 168  )))
... ... @@ -171,11 +171,8 @@
171 171  
172 172  == 3.1 How it works? ==
173 173  
174 -
175 175  (((
176 -(((
177 177  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
178 -)))
179 179  
180 180  
181 181  )))
... ... @@ -182,13 +182,11 @@
182 182  
183 183  == 3.2 Example to join LoRaWAN network ==
184 184  
185 -
186 186  Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
187 187  
153 +[[image:1653268155545-638.png||height="334" width="724"]]
188 188  
189 -(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
190 190  
191 -
192 192  (((
193 193  (((
194 194  The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
... ... @@ -196,21 +196,16 @@
196 196  
197 197  (((
198 198  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
199 -
200 -
201 201  )))
202 202  
203 -(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
165 +[[image:1653268227651-549.png||height="592" width="720"]]
204 204  
205 -
206 206  (((
207 -The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
208 -
209 -
168 +The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
210 210  )))
211 211  
212 212  (((
213 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
172 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
214 214  )))
215 215  
216 216  (((
... ... @@ -218,133 +218,106 @@
218 218  )))
219 219  )))
220 220  
221 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:image-20230425175410-2.png]](% title="Click and drag to resize" %)​
180 +[[image:1652953462722-299.png]]
222 222  
223 -
224 224  (((
225 225  (((
226 226  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
227 -
228 -
229 229  )))
230 230  
231 231  (((
232 -**Add APP EUI in the application.**
188 +Add APP EUI in the application.
233 233  )))
234 234  )))
235 235  
236 -(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
192 +[[image:image-20220519174512-1.png]]
237 237  
238 -(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
194 +[[image:image-20220519174512-2.png||height="323" width="720"]]
239 239  
240 -(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
196 +[[image:image-20220519174512-3.png||height="556" width="724"]]
241 241  
242 -(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
198 +[[image:image-20220519174512-4.png]]
243 243  
244 -
245 -(% title="Click and drag to resize" %)​
246 -
247 247  You can also choose to create the device manually.
248 248  
249 -(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
202 +[[image:1652953542269-423.png||height="710" width="723"]]
250 250  
204 +Add APP KEY and DEV EUI
251 251  
206 +[[image:1652953553383-907.png||height="514" width="724"]]
252 252  
253 -**Add APP KEY and DEV EUI**
254 254  
255 -(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
256 -
257 -
258 258  (((
259 -(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
260 -
261 -
210 +**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
262 262  )))
263 263  
264 -(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
213 +[[image:1652953568895-172.png||height="232" width="724"]]
265 265  
266 266  
267 -== 3.3 Configure Device to Read RS485 Sensors ==
216 +== 3.3 Configure Commands to read data ==
268 268  
269 -
270 -There are plenty of RS485 and TTL level devices in the market and each device has different commands to read the valid data. To support these devices in most flexible, RS485-LN supports flexible command set. User can use [[Dragino RS485 Tool>>url:https://www.dropbox.com/sh/us9qecn39fwt8n1/AABREdqUCzEmJMRrfuWuXasoa?dl=0]],  [[AT Commands or LoRaWAN Downlink>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/#H3.5ConfigureRS485-LBviaATorDownlink]] Command to configure how RS485-LN should read the sensor and how to handle the return from RS485 or TTL sensors.
271 -
272 -
273 273  (((
274 274  (((
275 -(((
276 -(% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1**
220 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
277 277  )))
278 278  
223 +(((
224 +(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
279 279  
280 -=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
281 -
282 -
283 -Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
284 -
285 -* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
286 -
287 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20231127144411-1.png?width=494&height=368&rev=1.1||alt="image-20231127144411-1.png" height="368" width="494"]]
288 -
289 -
290 -=== 3.3.2  Method 2 ~-~- via AT Commands ===
226 +
291 291  )))
292 292  )))
293 293  
294 -==== 3.3.2.1 Configure UART settings for RS485 communication ====
230 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
295 295  
232 +To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
296 296  
297 -To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. The related commands for UART settings are:
298 -
299 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
300 -|=(% style="width: 126px; background-color:#4F81BD;color:white" %)(((
234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 +|(% style="width:128px" %)(((
301 301  **AT Commands**
302 -)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
237 +)))|(% style="width:305px" %)(((
303 303  **Description**
304 -)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
239 +)))|(% style="width:346px" %)(((
305 305  **Example**
306 306  )))
307 -|(% style="width:126px" %)(((
308 -
309 -
310 -(((
242 +|(% style="width:128px" %)(((
311 311  AT+BAUDR
312 -)))
313 -)))|(% style="width:177px" %)(((
244 +)))|(% style="width:305px" %)(((
314 314  Set the baud rate (for RS485 connection). Default Value is: 9600.
315 -)))|(% style="width:193px" %)(((
246 +)))|(% style="width:346px" %)(((
316 316  (((
317 317  AT+BAUDR=9600
318 318  )))
319 319  
320 320  (((
321 -Options: (1200,2400,4800,
322 -14400,19200,115200)
252 +Options: (1200,2400,4800,14400,19200,115200)
323 323  )))
324 324  )))
325 -|(% style="width:126px" %)(((
255 +|(% style="width:128px" %)(((
326 326  AT+PARITY
327 -)))|(% style="width:177px" %)(((
257 +)))|(% style="width:305px" %)(((
328 328  Set UART parity (for RS485 connection)
329 -)))|(% style="width:193px" %)(((
259 +)))|(% style="width:346px" %)(((
330 330  (((
331 331  AT+PARITY=0
332 332  )))
333 333  
334 334  (((
335 -Option: 0: no parity,
336 -1: odd parity,
337 -2: even parity
265 +Option: 0: no parity, 1: odd parity, 2: even parity
338 338  )))
339 339  )))
340 -|(% style="width:126px" %)(((
268 +|(% style="width:128px" %)(((
341 341  AT+STOPBIT
342 -)))|(% style="width:177px" %)(((
270 +)))|(% style="width:305px" %)(((
343 343  (((
344 344  Set serial stopbit (for RS485 connection)
345 345  )))
346 -)))|(% style="width:193px" %)(((
274 +
347 347  (((
276 +
277 +)))
278 +)))|(% style="width:346px" %)(((
279 +(((
348 348  AT+STOPBIT=0 for 1bit
349 349  )))
350 350  
... ... @@ -357,1574 +357,910 @@
357 357  )))
358 358  )))
359 359  
360 -=== 3.3.3 Configure sensors ===
361 361  
362 362  
294 +=== 3.3.2 Configure sensors ===
295 +
363 363  (((
364 -Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
297 +(((
298 +Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
365 365  )))
300 +)))
366 366  
367 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
368 -|=(% style="width: 122px; background-color:#4F81BD;color:white" %)**AT Commands**|=(% style="width: 198px; background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Example**
369 -|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
370 -(((
302 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
303 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
304 +|AT+CFGDEV|(% style="width:418px" %)(((
371 371  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
372 -)))
373 373  
374 -(((
375 375  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
376 -)))
377 377  
378 -(((
379 379  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
380 -)))
381 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
310 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
382 382  
383 -=== 3.3.4 Configure read commands for each sampling ===
384 384  
385 385  
386 -(((
387 -During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload.
314 +=== 3.3.3 Configure read commands for each sampling ===
388 388  
389 -To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
390 -
391 -This section describes how to achieve above goals.
392 -
393 -During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
394 -
395 -
396 -(% style="color:#037691" %)**Each RS485 commands include two parts:**
397 -
398 -
399 -~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
400 -
401 -2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar.
402 -
403 -3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms
404 -
405 -
406 -After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
407 -
408 -Below are examples for the how above AT Commands works.
409 -
410 -
411 -(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
412 -
413 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
414 -|(% style="width:496px" %)(((
415 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
416 -
417 -**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
418 -
419 -**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
420 -)))
421 -
422 -For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
423 -
424 -In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
425 -
426 -
427 -If a single command exceeds 14 bytes, you can use the command splicing function.
428 -
429 -When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
430 -
431 -
432 -**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
433 -
434 - AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
435 -
436 - AT+COMMAND1=1
437 -
438 - AT+COMMAND2=0E 0F,0
439 -
440 -
441 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
442 -
443 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
444 -|(% style="width:510px" %)(((
445 -**AT+DATACUTx=a,b,c**
446 -
447 -* **a: length for the return of AT+COMMAND**
448 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
449 -* **c: define the position for valid value.  **
450 -)))
451 -
452 -**Examples:**
453 -
454 -
455 -* (% style="color:#037691" %)**Grab bytes**
456 -
457 -(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
458 -
459 -
460 -
461 -* (% style="color:#037691" %)**Grab a section**
462 -
463 -(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
464 -
465 -
466 -
467 -* (% style="color:#037691" %)**Grab different sections**
468 -
469 -(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
470 -
471 -
472 -)))
473 -
474 -=== 3.3.5 Compose the uplink payload ===
475 -
476 -
477 477  (((
478 -Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
479 -
480 -
317 +RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
481 481  )))
482 482  
483 483  (((
484 -(% style="color:#037691" %)**Examples: AT+DATAUP=0**
485 -
486 -
321 +During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload.
487 487  )))
488 488  
489 489  (((
490 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
325 +To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
491 491  )))
492 492  
493 493  (((
494 -Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
329 +This section describes how to achieve above goals.
495 495  )))
496 496  
497 497  (((
498 -Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
499 -
500 -
333 +During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
501 501  )))
502 502  
503 -[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
504 -
505 -
506 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
507 -
508 -
509 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
510 -
511 -Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
512 -
513 -
514 -~1. PAYVER: Defined by AT+PAYVER
515 -
516 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
517 -
518 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
519 -
520 -4. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
521 -
522 -
523 -(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
524 -
525 -
526 -So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
527 -
528 -DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
529 -
530 -DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
531 -
532 -DATA3=the rest of Valid value of RETURN10= **30**
533 -
534 -
535 -(% style="color:red" %)**Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:**
536 -
537 -
538 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
539 -
540 - * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
541 -
542 - * For US915 band, max 11 bytes for each uplink.
543 -
544 - ~* For all other bands: max 51 bytes for each uplink.
545 -
546 -
547 -(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
548 -
549 -(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
550 -
551 -
552 -
553 -Below are the uplink payloads:
554 -
555 -
556 -(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
557 -
558 -
559 -=== 3.3.6 Uplink on demand ===
560 -
561 -
562 -Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
563 -
564 -(% style="color:blue" %)**Downlink control command:**
565 -
566 -(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
567 -
568 -(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
569 -
570 -
571 -=== 3.3.7 Uplink on Interrupt ===
572 -
573 -
574 -
575 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
576 -
577 -(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
578 -
579 -
580 -==== 3.3.7.1 Set Interrupt Mode ====
581 -
582 -
583 -Before using the interrupt function of the **INT** pin, users can set the interrupt triggering mode as required.
584 -
585 -(% style="color:blue" %)**AT command:**
586 -
587 -* (% style="color:#037691" %)**AT+INTMOD **(%%) ~/~/ Set the trigger interrupt mode
588 -
589 -* (% style="color:#037691" %)**AT+INTMOD=0 **(%%) ~/~/ Disable Interrupt
590 -
591 -* (% style="color:#037691" %)**AT+INTMOD=1 **(%%) ~/~/ Trigger by rising and falling edge
592 -
593 -* (% style="color:#037691" %)**AT+INTMOD=2 **(%%) ~/~/ Trigger by falling edge **(default)**
594 -
595 -* (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
596 -
597 -(% style="color:blue" %)**Downlink Commands: **(% style="color:#037691" %)**0x06**
598 -
599 -Format: Command Code (0x06) followed by 3 bytes.
600 -
601 -Example1:  Downlink Payload: **06 00 00 01    **~/~/ AT+INTMOD=1
602 -
603 -Example2:  Downlink Payload: **06 00 00 03    **~/~/AT+INTMOD=3
604 -
605 -
606 -==== 3.3.7.2 Practical application ====
607 -
608 -
609 -The following uses the default interrupt triggering mode (% style="color:blue" %)**(AT+INTMOD=2)**(%%) as an example to show the interrupt function of (% style="color:blue" %)**INT**(%%):
610 -
611 -When a high voltage is given to the INT pin and then the level of the (% style="color:blue" %)**INT**(%%) pin changes from high to low, the interrupt is triggered by a falling edge and the RS485-LN sends an uplink data.
612 -
613 -(% style="color:red" %)**Note: The level that triggers the interrupt ranges from 3.3V to 24V. Generally, it is recommended to use less than 12V.**
614 -
615 -**Example:**
616 -
617 -* Use a dry contact to connect the (% style="color:blue" %)**INT**(%%) pin and (% style="color:blue" %)**VIN+**(%%) pin of the RS485-LN.
618 -
619 -When the dry contact is closed, INT and VIN+ conduct and INT is high.
620 -
621 -Disconnecting the dry contact, the level of the INT pin changes from high to low, triggering an interrupt (triggered by the falling edge along the interrupt), and the RS485-LN sends an uplink data.
622 -
623 -[[image:image-20240925174124-5.jpeg||height="439" width="703"]]
624 -
625 -* Use a regulated power supply or a wet contact to connect the 485-LN to trigger the interruption.(This section uses a regulated power supply as an example.)
626 -
627 -The positive pole of the stabilized power supply is connected to the (% style="color:blue" %)**INT**(%%) pin of RS485-LN, and the negative pole of the stabilized power supply is connected to the (% style="color:blue" %)**VIN-**(%%) pin of RS485-LN.
628 -
629 -When the regulated power supply is operating, a high voltage is given to the INT pin and the INT level is high. When the regulated power supply is turned off, the level of the INT pin changes from
630 -
631 -high to low, at which time an interrupt is triggered (triggered along the falling edge), and the device will send an uplink data.
632 -
633 -[[image:image-20240925173243-4.jpeg||height="404" width="900"]]
634 -
635 -
636 -== 3.4 Uplink Payload ==
637 -
638 -
639 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
640 -|(% style="background-color:#4f81bd; color:white; width:70px" %)(((
641 -**Size(bytes)**
642 -)))|(% style="background-color:#4f81bd; color:white; width:80px" %)**1**|(% style="background-color:#4f81bd; color:white; width:360px" %)(((
643 -**Length depends on the return from the commands**
644 -)))
645 -|(% style="width:90px" %)(((
646 -Value
647 -)))|(% style="width:114px" %)(((
648 -PAYLOAD_VER
649 -)))|(% style="width:353px" %)(((
650 -If the valid payload is too long and exceed the maximum
651 -
652 -support payload length in server, server will show payload not
653 -
654 -provided in the LoRaWAN server.
655 -)))
656 -
657 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](%%)Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
658 -
659 -
660 -== 3.5 Configure RS485-LN via AT or Downlink ==
661 -
662 -
663 663  (((
664 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
337 +**Command from RS485-BL to Sensor:**
665 665  )))
666 666  
667 667  (((
668 -There are two kinds of Commands:
341 +RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
669 669  )))
670 670  
671 -* (((
672 -(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
673 -)))
674 -
675 -* (((
676 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
677 -)))
678 -
679 679  (((
680 -
345 +**Handle return from sensors to RS485-BL**:
681 681  )))
682 682  
683 -
684 -=== 3.5.1 Common Commands ===
685 -
686 -
687 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
688 -
689 -
690 -=== 3.5.2 Downlink Response(Since firmware v1.4) ===
691 -
692 -
693 -Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
694 -
695 -
696 -(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]]
697 -
698 -(% title="Click and drag to resize" %)​
699 -
700 -The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
701 -
702 -
703 -=== 3.5.3 Sensor related commands ===
704 -
705 -
706 -
707 -==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
708 -
709 -
710 710  (((
711 -This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
349 +After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands**
712 712  )))
713 713  
714 -(((
715 -* (% style="color:#037691" %)**AT Command**
716 -
717 -(((
718 -(% style="color:#4472c4" %)** AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  (%%) m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
719 -)))
720 -)))
721 -
722 -(((
723 -
724 -)))
725 -
726 726  * (((
727 -(% style="color:#037691" %)**Downlink Payload**
353 +**AT+DATACUT**
728 728  )))
729 729  
730 730  (((
731 -Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
357 +When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
732 732  )))
733 733  
734 -(((
735 -Where:
736 -)))
737 -
738 738  * (((
739 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
361 +**AT+SEARCH**
740 740  )))
741 -* (((
742 -NN: The length of RS485 command
743 -)))
744 -* (((
745 -XX XX XX XX: RS485 command total NN bytes
746 -)))
747 -* (((
748 -(((
749 -YY: How many bytes will be uplink from the return of this RS485 command,
750 -)))
751 751  
752 -* (((
753 -if YY=0, RS485-LN will execute the downlink command without uplink;
754 -)))
755 -* (((
756 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
757 -)))
758 -* (((
759 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
760 -)))
761 -)))
762 -
763 763  (((
764 -
765 -
766 -(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
365 +When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string.
767 767  )))
768 768  
769 769  (((
770 -To connect a Modbus Alarm with below commands.
369 +**Define wait timeout:**
771 771  )))
772 772  
773 -* (((
774 -The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
775 -)))
776 -
777 -* (((
778 -The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
779 -)))
780 -
781 781  (((
782 -
783 -
784 -So if user want to use downlink command to control to RS485 Alarm, he can use:
373 +Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms
785 785  )))
786 786  
787 787  (((
788 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
377 +After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
789 789  )))
790 790  
791 -(((
792 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
793 -)))
380 +**Examples:**
794 794  
795 -(((
796 -A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
797 -)))
382 +Below are examples for the how above AT Commands works.
798 798  
799 -(((
800 -
801 -)))
384 +**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
802 802  
803 -(((
804 -(% style="color:blue" %)**Example 2:**  (%%)
805 -)))
386 +(% border="1" class="table-bordered" %)
387 +|(((
388 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
806 806  
807 -(((
808 -Check TTL Sensor return:
809 -)))
390 +**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
810 810  
811 -(((
812 -(((
813 -[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/1654132684752-193.png?rev=1.1||alt="1654132684752-193.png"]](% title="Click and drag to resize" %)​
392 +**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
814 814  )))
815 -)))
816 816  
817 -
818 -
819 -==== (% style="color:blue" %)**Set Payload version**(%%) ====
820 -
821 -
822 822  (((
823 -This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
396 +For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
824 824  )))
825 825  
826 826  (((
827 -* (% style="color:#037691" %)**AT Command:**
828 -
829 -(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
830 -
831 -
400 +In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
832 832  )))
833 833  
834 -* (((
835 -(% style="color:#037691" %)**Downlink Payload:**
836 -)))
837 -
838 838  (((
839 -(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
404 +**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
840 840  )))
841 841  
842 -(((
843 -(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
844 -)))
407 +(% border="1" class="table-bordered" %)
408 +|(((
409 +**AT+SEARCHx=aa,xx xx xx xx xx**
845 845  
411 +* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
412 +* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
846 846  
847 -**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
848 -
849 -
850 -[[image:image-20220824145428-2.png||height="168" width="1300"]]
851 -
852 -
853 -
854 -**2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.**
855 -
856 -
857 -[[image:image-20220824145428-3.png||height="308" width="1200"]]
858 -
859 -
860 -
861 -==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
862 -
863 -
864 -(((
865 -AT+COMMANDx or AT+DATACUTx
866 -)))
867 -
868 -(((
869 -These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
870 -)))
871 -
872 -(((
873 873  
874 874  )))
875 875  
876 -* (((
877 -(% style="color:#037691" %)**AT Command:**
878 -)))
417 +**Examples:**
879 879  
880 -(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
419 +~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
881 881  
882 -(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
421 +If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
883 883  
423 +The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
884 884  
885 -* (((
886 -(% style="color:#037691" %)**Downlink Payload:**
887 -)))
425 +[[image:1653269403619-508.png]]
888 888  
889 -(((
890 -(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
427 +2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
891 891  
892 -
893 -)))
429 +If we set AT+SEARCH1=2, 1E 56 34+31 00 49
894 894  
895 -(((
896 -(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
431 +Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
897 897  
898 -
899 -)))
433 +[[image:1653269438444-278.png]]
900 900  
901 -(((
902 -Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
903 -)))
435 +**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
904 904  
905 -(((
906 -Where:
907 -)))
437 +|(((
438 +**AT+DATACUTx=a,b,c**
908 908  
909 -* (((
910 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
440 +* **a: length for the return of AT+COMMAND**
441 +* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
442 +* **c: define the position for valid value.  **
911 911  )))
912 -* (((
913 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
914 -)))
915 -* (((
916 -LL:  The length of AT+COMMAND or AT+DATACUT command
917 -)))
918 -* (((
919 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
920 -)))
921 -* (((
922 -YY:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
923 -)))
924 924  
925 -(((
926 -
445 +Examples:
927 927  
928 -**Example:**
929 -)))
447 +* Grab bytes:
930 930  
931 -(((
932 -(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
933 -)))
449 +[[image:1653269551753-223.png||height="311" width="717"]]
934 934  
935 -(((
936 -(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
937 -)))
451 +* Grab a section.
938 938  
939 -(((
940 -(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
941 -)))
453 +[[image:1653269568276-930.png||height="325" width="718"]]
942 942  
455 +* Grab different sections.
943 943  
457 +[[image:1653269593172-426.png||height="303" width="725"]]
944 944  
945 -==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
459 +(% style="color:red" %)**Note:**
946 946  
461 +AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
947 947  
948 -(((
949 -(% style="color:#4472c4" %)** AT+MBFUN**(%%) is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
950 -)))
463 +Example:
951 951  
952 -(((
953 -This command is valid since v1.3 firmware version
954 -)))
465 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
955 955  
956 -(((
957 -AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
958 -)))
467 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
959 959  
960 -(((
961 -
962 -)))
469 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
963 963  
964 -(((
965 -**Example:**
966 -)))
471 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
967 967  
968 -* (((
969 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
970 -)))
971 -* (((
972 -AT+COMMAND1= 01 03 00 10 00 08,1  ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
973 -)))
974 -* (((
975 -AT+COMMAND2= 01 02 00 40 00 10,1  ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
473 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
976 976  
977 -
978 -)))
475 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
979 979  
980 -(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
477 +[[image:1653269618463-608.png]]
981 981  
982 -(% title="Click and drag to resize" %)​
479 +=== 3.3.4 Compose the uplink payload ===
983 983  
984 -(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
985 -
986 -* (((
987 -(% style="color:#037691" %)**Downlink Command:**
988 -)))
989 -
990 -**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
991 -
992 -
993 -==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
994 -
995 -
996 996  (((
997 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
482 +Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
998 998  )))
999 999  
1000 1000  (((
1001 -Default value: 0, range:  0 ~~ 65 seconds
486 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
1002 1002  )))
1003 1003  
1004 1004  (((
1005 -* (% style="color:#037691" %)** AT Command:**
1006 -
1007 -(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
490 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
1008 1008  )))
1009 1009  
1010 1010  (((
1011 -
1012 -
1013 -**Example:**
494 +Final Payload is
1014 1014  )))
1015 1015  
1016 1016  (((
1017 -(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
498 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
1018 1018  )))
1019 1019  
1020 1020  (((
1021 -
502 +Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
1022 1022  )))
1023 1023  
1024 -* (((
1025 -(% style="color:#037691" %)** Downlink Payload:**
1026 -)))
505 +[[image:1653269759169-150.png||height="513" width="716"]]
1027 1027  
1028 -(((
1029 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
1030 -)))
507 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
1031 1031  
1032 -(((
1033 -
509 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
1034 1034  
1035 -**Example:**
1036 -)))
511 +Final Payload is
1037 1037  
1038 -(((
1039 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
1040 -)))
513 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
1041 1041  
515 +1. Battery Info (2 bytes): Battery voltage
516 +1. PAYVER (1 byte): Defined by AT+PAYVER
517 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
518 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
519 +1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
1042 1042  
521 +[[image:1653269916228-732.png||height="433" width="711"]]
1043 1043  
1044 -==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
1045 1045  
524 +So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
1046 1046  
1047 -(((
1048 -Define to use one uplink or multiple uplinks for the sampling.
1049 -)))
526 +DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
1050 1050  
1051 -(((
1052 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
528 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
1053 1053  
1054 -
1055 -)))
530 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
1056 1056  
1057 -(((
1058 -* (% style="color:#037691" %)** AT Command:**
532 +Below are the uplink payloads:
1059 1059  
1060 -(% style="color:#4472c4" %)** AT+DATAUP=0**
534 +[[image:1653270130359-810.png]]
1061 1061  
1062 -(% style="color:#4472c4" %)** AT+DATAUP=1**
1063 1063  
1064 -
1065 -)))
537 +(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
1066 1066  
1067 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
539 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
1068 1068  
1069 -Each uplink is sent to the server at 20-second intervals when segmented.
541 + * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
1070 1070  
543 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
1071 1071  
1072 -* (((
1073 -(% style="color:#037691" %)** Downlink Payload:**
1074 -)))
545 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
1075 1075  
1076 -(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
547 +=== 3.3.5 Uplink on demand ===
1077 1077  
1078 -(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
549 +Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
1079 1079  
551 +Downlink control command:
1080 1080  
1081 -(Since firmware v1.4.0)
553 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
1082 1082  
1083 -* (((
1084 -(% style="color:#037691" %)** AT Command:**
1085 -)))
555 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
1086 1086  
1087 -(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
1088 1088  
1089 1089  
1090 -* (((
1091 -(% style="color:#037691" %)** Downlink Payload:**
1092 -)))
559 +1.
560 +11.
561 +111. Uplink on Interrupt
1093 1093  
1094 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
563 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
1095 1095  
1096 -Each uplink is sent to the server at 20-second intervals when segmented.
565 +AT+INTMOD=0  Disable Interrupt
1097 1097  
567 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
1098 1098  
1099 -==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
569 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
1100 1100  
571 +AT+INTMOD=3  Interrupt trigger by rising edge.
1101 1101  
1102 -AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
1103 1103  
1104 -When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
574 +1.
575 +11. Uplink Payload
1105 1105  
1106 -When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
577 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
578 +|Value|(((
579 +Battery(mV)
1107 1107  
581 +&
1108 1108  
1109 -* (((
1110 -(% style="color:#037691" %)** AT Command:**
1111 -)))
583 +Interrupt _Flag
584 +)))|(((
585 +PAYLOAD_VER
1112 1112  
1113 -(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
587 +
588 +)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
1114 1114  
1115 -(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   equal：  (% style="color:#4472c4" %)**AT+NEWLINE=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15**//
590 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
1116 1116  
1117 1117  
1118 -(% style="color:#4472c4" %)//**AT+NEWLINE=a+b+c**//(%%)//  //The data returned by all commands is divided into three parts, COMMAND(1~~a) is the first part, COMMAND(a+1~~b) is the second part,COMMAND(b+1~~c) is the third part.
593 +function Decoder(bytes, port) {
1119 1119  
595 +~/~/Payload Formats of RS485-BL Deceive
1120 1120  
1121 -(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
597 +return {
1122 1122  
599 + ~/~/Battery,units:V
1123 1123  
1124 -* (((
1125 -(% style="color:#037691" %)** Downlink Payload:**
1126 -)))
601 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
1127 1127  
1128 -//AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xAC 01**//
603 + ~/~/GPIO_EXTI 
1129 1129  
1130 -// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
605 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
1131 1131  
1132 -//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
607 + ~/~/payload of version
1133 1133  
1134 -//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
609 + Pay_ver:bytes[2],
1135 1135  
611 + };
1136 1136  
1137 -==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
613 + }
1138 1138  
1139 1139  
1140 -(((
1141 -Ask device to send an uplink immediately.
1142 -)))
1143 1143  
1144 -* (((
1145 -(% style="color:#037691" %)** AT Command:**
1146 -)))
1147 1147  
1148 -(((
1149 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1150 -)))
1151 1151  
1152 -(((
1153 -
1154 -)))
1155 1155  
1156 -* (((
1157 -(% style="color:#037691" %)** Downlink Payload:**
1158 -)))
1159 1159  
1160 -(((
1161 -(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1162 -)))
621 +TTN V3 uplink screen shot.
1163 1163  
623 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1164 1164  
625 +1.
626 +11. Configure RS485-BL via AT or Downlink
1165 1165  
1166 -==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
628 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
1167 1167  
630 +There are two kinds of Commands:
1168 1168  
1169 -(((
1170 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
632 +* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
1171 1171  
1172 -
1173 -)))
634 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
1174 1174  
1175 -* (((
1176 -(% style="color:#037691" %)** AT Command:**
1177 -)))
636 +1.
637 +11.
638 +111. Common Commands:
1178 1178  
1179 -(((
1180 -(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1181 -)))
640 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
1182 1182  
1183 -(((
1184 -
1185 1185  
1186 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1187 -)))
643 +1.
644 +11.
645 +111. Sensor related commands:
1188 1188  
1189 -(((
1190 -Example screen shot after clear all RS485 commands. 
1191 -)))
647 +==== Choose Device Type (RS485 or TTL) ====
1192 1192  
1193 -(((
1194 -
1195 -)))
649 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
1196 1196  
1197 -(((
1198 -The uplink screen shot is:
1199 -)))
651 +* AT Command
1200 1200  
1201 -(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
653 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
1202 1202  
655 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
1203 1203  
1204 -* (((
1205 -(% style="color:#037691" %)** Downlink Payload:**
1206 -)))
1207 1207  
1208 -(((
1209 -(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1210 -)))
658 +* Downlink Payload
1211 1211  
660 +**0A aa**     à same as AT+MOD=aa
1212 1212  
1213 1213  
1214 -==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1215 1215  
664 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
1216 1216  
1217 -(((
1218 -Set the Rs485 serial communication parameters:
1219 -)))
666 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
1220 1220  
1221 -(((
1222 -(% style="color:#037691" %)**AT Command:**
1223 -)))
668 +* AT Command
1224 1224  
1225 -(((
1226 -* Set Baud Rate
1227 -)))
670 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
1228 1228  
1229 -(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
672 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
1230 1230  
1231 1231  
1232 -(((
1233 -* Set UART Parity
1234 -)))
1235 1235  
1236 -(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
676 +* Downlink Payload
1237 1237  
678 +Format: A8 MM NN XX XX XX XX YY
1238 1238  
1239 -(((
1240 -* Set STOPBIT
1241 -)))
680 +Where:
1242 1242  
1243 -(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
682 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
683 +* NN: The length of RS485 command
684 +* XX XX XX XX: RS485 command total NN bytes
685 +* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
1244 1244  
687 +**Example 1:**
1245 1245  
1246 -(((
1247 -(% style="color:#037691" %)**Downlink Payload:**
1248 -)))
689 +To connect a Modbus Alarm with below commands.
1249 1249  
1250 -(((
1251 -(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1252 -)))
691 +* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
1253 1253  
1254 -(((
1255 -**Example:**
1256 -)))
693 +* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
1257 1257  
1258 -* (((
1259 -A7 01 00 60  same as AT+BAUDR=9600
1260 -)))
1261 -* (((
1262 -A7 01 04 80  same as AT+BAUDR=115200
1263 -)))
695 +So if user want to use downlink command to control to RS485 Alarm, he can use:
1264 1264  
1265 -(((
1266 -* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1267 -)))
697 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
1268 1268  
1269 -(((
1270 -* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1271 -)))
699 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
1272 1272  
701 +A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
1273 1273  
1274 1274  
704 +**Example 2:**
1275 1275  
1276 -==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
706 +Check TTL Sensor return:
1277 1277  
708 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1278 1278  
1279 -* (((
1280 -(% style="color:#037691" %)** AT Command:**
1281 -)))
1282 1282  
1283 -(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1284 1284  
1285 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1286 1286  
1287 -* (((
1288 -(% style="color:#037691" %)**Downlink Payload:**
1289 -)))
713 +==== Set Payload version ====
1290 1290  
1291 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
715 +This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
1292 1292  
1293 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
717 +* AT Command:
1294 1294  
719 +AT+PAYVER: Set PAYVER field = 1
1295 1295  
1296 1296  
1297 -==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
722 +* Downlink Payload:
1298 1298  
1299 -(((
1300 -
1301 -)))
724 +0xAE 01   à Set PAYVER field =  0x01
1302 1302  
1303 -* (((
1304 -(% style="color:#037691" %)** AT Command:**
1305 -)))
726 +0xAE 0F   à Set PAYVER field =  0x0F
1306 1306  
1307 -(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
1308 1308  
1309 -(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
729 +==== Set RS485 Sampling Commands ====
1310 1310  
731 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1311 1311  
733 +These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
1312 1312  
1313 -==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
1314 1314  
736 +* AT Command:
1315 1315  
1316 -* (((
1317 -(% style="color:#037691" %)** AT Command:**
1318 -)))
738 +AT+COMMANDx: Configure RS485 read command to sensor.
1319 1319  
1320 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
740 +AT+DATACUTx: Configure how to handle return from RS485 devices.
1321 1321  
1322 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
742 +AT+SEARCHx: Configure search command
1323 1323  
1324 1324  
745 +* Downlink Payload:
1325 1325  
1326 -==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
747 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1327 1327  
749 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1328 1328  
1329 -* (((
1330 -(% style="color:#037691" %)** AT Command:**
1331 -)))
751 +Format: AF MM NN LL XX XX XX XX YY
1332 1332  
1333 -(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
753 +Where:
1334 1334  
1335 -(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
755 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
756 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
757 +* LL: The length of AT+COMMAND or AT+DATACUT command
758 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
759 +* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
1336 1336  
761 +Example:
1337 1337  
763 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
1338 1338  
1339 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
765 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
1340 1340  
767 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
1341 1341  
1342 -* (((
1343 -(% style="color:#037691" %)** AT Command:**
1344 -)))
1345 1345  
1346 - (% style="color:#4472c4" %)** AT+DISMACANS=0**  (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
770 +0xAB downlink command can be used for set AT+SEARCHx
1347 1347  
1348 - (% style="color:#4472c4" %)** AT+DISMACANS=1**   (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
772 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1349 1349  
774 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
775 +* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
1350 1350  
1351 -* (((
1352 -(% style="color:#037691" %)** Downlink Payload:**
1353 -)))
777 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1354 1354  
1355 -(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1356 1356  
780 +==== Fast command to handle MODBUS device ====
1357 1357  
782 +AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
1358 1358  
1359 -==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
784 +This command is valid since v1.3 firmware version
1360 1360  
1361 1361  
1362 -* (((
1363 -(% style="color:#037691" %)** AT Command:**
1364 -)))
787 +AT+MBFUN has only two value:
1365 1365  
1366 -(% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
789 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
1367 1367  
1368 -Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
791 +AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
1369 1369  
793 +* AT+MBFUN=0: Disable Modbus fast reading.
1370 1370  
1371 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
795 +Example:
1372 1372  
1373 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
797 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
798 +* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
799 +* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
1374 1374  
801 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
1375 1375  
1376 1376  
1377 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
804 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1378 1378  
1379 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1380 1380  
807 +* Downlink Commands:
1381 1381  
809 +A9 aa -à Same as AT+MBFUN=aa
1382 1382  
1383 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
1384 1384  
812 +==== RS485 command timeout ====
1385 1385  
1386 -(((
1387 -* (% style="color:#037691" %)**Downlink Payload:**
814 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
1388 1388  
1389 -(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1390 -)))
816 +Default value: 0, range:  0 ~~ 5 seconds
1391 1391  
1392 1392  
1393 -Example：
819 +* AT Command:
1394 1394  
821 +AT+CMDDLaa=hex(bb cc)
1395 1395  
1396 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
823 +Example:
1397 1397  
825 +**AT+CMDDL1=1000** to send the open time to 1000ms
1398 1398  
1399 1399  
1400 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
828 +* Downlink Payload:
1401 1401  
830 +0x AA aa bb cc
1402 1402  
1403 -* (((
1404 -(% style="color:#037691" %)** AT Command:**
1405 -)))
832 +Same as: AT+CMDDLaa=hex(bb cc)
1406 1406  
1407 -(% style="color:#4472c4" %)**AT+RXMODE=1,10**    (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
834 + Example:
1408 1408  
1409 -(% style="color:#4472c4" %)**AT+RXMODE=2,500    ** (%%) ~/~/  RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
836 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
1410 1410  
1411 -(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
1412 1412  
839 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
1413 1413  
1414 -* (((
1415 -(% style="color:#037691" %)**Downlink Payload:**
1416 -)))
841 +Define to use one uplink or multiple uplinks for the sampling.
1417 1417  
1418 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
843 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
1419 1419  
1420 -[[image:image-20220824144240-1.png]]
845 +* AT Command:
1421 1421  
847 +AT+DATAUP=0
1422 1422  
1423 -== 3.6 Listening mode for RS485 network ==
849 +AT+DATAUP=1
1424 1424  
1425 1425  
1426 -(((
1427 -This feature support since firmware v1.4
1428 -)))
852 +* Downlink Payload:
1429 1429  
1430 -(((
1431 -RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
854 +0xAD 00   à Same as AT+DATAUP=0
1432 1432  
1433 -
1434 -)))
856 +0xAD 01   à Same as AT+DATAUP=1
1435 1435  
1436 -(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
1437 1437  
1438 -(% title="Click and drag to resize" %)​
859 +==== Manually trigger an Uplink ====
1439 1439  
1440 -(((
1441 -To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1442 -)))
861 +Ask device to send an uplink immediately.
1443 1443  
1444 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1445 -|=(% style="width: 156px; background-color:#4F81BD;color:white" %)(((
1446 -**Command example**
1447 -)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
1448 -**Function**
1449 -)))
1450 -|(% style="width:156px" %)(((
1451 -AT+RXMODE=1,10
1452 -)))|(% style="width:352px" %)(((
1453 -Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1454 -)))
1455 -|(% style="width:156px" %)(((
1456 -AT+RXMODE=2,500
1457 -)))|(% style="width:352px" %)(((
1458 -Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1459 -)))
1460 -|(% style="width:156px" %)(((
1461 -AT+RXMODE=0,0
1462 -)))|(% style="width:352px" %)(((
1463 -Disable listening mode. This is the default settings.
1464 -)))
1465 -|(% style="width:156px" %)(((
1466 -
1467 -)))|(% style="width:352px" %)(((
1468 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1469 -)))
863 +* Downlink Payload:
1470 1470  
1471 -(((
1472 -
865 +0x08 FF, RS485-BL will immediately send an uplink.
1473 1473  
1474 -(% style="color:#037691" %)**Downlink Command:**
1475 -)))
1476 1476  
1477 -(((
1478 -(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1479 -)))
868 +==== Clear RS485 Command ====
1480 1480  
1481 -(((
1482 -
1483 -)))
870 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1484 1484  
1485 -(((
1486 -**Example**:
1487 -)))
1488 1488  
1489 -(((
1490 -The RS485-LN is set to AT+RXMODE=2,1000
1491 -)))
873 +* AT Command:
1492 1492  
1493 -(((
1494 -There is a two Modbus commands in the RS485 network as below:
1495 -)))
875 +**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1496 1496  
1497 -(((
1498 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1499 -)))
877 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1500 1500  
1501 -(((
1502 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1503 -)))
879 +Example screen shot after clear all RS485 commands. 
1504 1504  
1505 -(((
1506 -RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b  **(% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1507 1507  
1508 -
1509 -)))
1510 1510  
1511 -(((
1512 -(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1513 -)))
883 +The uplink screen shot is:
1514 1514  
885 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1515 1515  
1516 1516  
1517 -(((
1518 -(% style="color:red" %)**Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.**
1519 -)))
888 +* Downlink Payload:
1520 1520  
890 +0x09 aa bb same as AT+CMDEAR=aa,bb
1521 1521  
1522 -== 3.7 Buttons ==
1523 1523  
893 +==== Set Serial Communication Parameters ====
1524 1524  
1525 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1526 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**Button**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1527 -|(% style="width:50px" %)ACT|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1528 -|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1529 -|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
895 +Set the Rs485 serial communication parameters:
1530 1530  
1531 -== 3.8 LEDs ==
897 +* AT Command:
1532 1532  
899 +Set Baud Rate:
1533 1533  
1534 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1535 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**LEDs**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1536 -|PWR|Always on if there is power
1537 -|SYS|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
901 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1538 1538  
1539 -= 4. Case Study =
1540 1540  
904 +Set UART parity
1541 1541  
1542 -User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
906 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1543 1543  
1544 1544  
1545 -= 5. Use AT Command =
909 +Set STOPBIT
1546 1546  
1547 -== 5.1 Access AT Command ==
911 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1548 1548  
1549 1549  
1550 -(((
1551 -RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
914 +* Downlink Payload:
1552 1552  
1553 -
1554 -)))
916 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1555 1555  
1556 -(% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
918 +Example:
1557 1557  
920 +* A7 01 00 60   same as AT+BAUDR=9600
921 +* A7 01 04 80  same as AT+BAUDR=115200
1558 1558  
923 +A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1559 1559  
1560 -(((
1561 -In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference:
925 +A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1562 1562  
1563 -
1564 -)))
1565 1565  
1566 -(% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
928 +==== Control output power duration ====
1567 1567  
930 +User can set the output power duration before each sampling.
1568 1568  
1569 -(((
1570 -More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1571 -)))
932 +* AT Command:
1572 1572  
934 +Example:
1573 1573  
1574 -== 5.2 Common AT Command Sequence ==
936 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1575 1575  
1576 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
938 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1577 1577  
1578 1578  
1579 -If device has not joined network yet:
941 +* LoRaWAN Downlink Command:
1580 1580  
1581 -* (% style="color:#037691" %)**AT+FDR**
1582 -* (% style="color:#037691" %)**AT+NJM=0**
1583 -* (% style="color:#037691" %)**ATZ**
943 +07 01 aa bb  Same as AT+5VT=(aa bb)
1584 1584  
1585 -(((
1586 -
945 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1587 1587  
1588 -If device already joined network:
1589 1589  
1590 -* (% style="color:#037691" %)**AT+NJM=0**
1591 -* (% style="color:#037691" %)**ATZ**
1592 -)))
1593 1593  
1594 1594  
950 +1.
951 +11. Buttons
1595 1595  
1596 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
953 +|**Button**|**Feature**
954 +|**RST**|Reboot RS485-BL
1597 1597  
956 +1.
957 +11. +3V3 Output
1598 1598  
1599 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
959 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1600 1600  
1601 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
961 +The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
1602 1602  
1603 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1604 1604  
1605 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
964 +The +3V3 output time can be controlled by AT Command.
1606 1606  
1607 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
966 +**AT+3V3T=1000**
1608 1608  
1609 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
968 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1610 1610  
1611 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1612 1612  
1613 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
971 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1614 1614  
1615 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1616 1616  
1617 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
974 +1.
975 +11. +5V Output
1618 1618  
977 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1619 1619  
1620 -(% style="color:red" %)**Note:**
979 +The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
1621 1621  
1622 -(((
1623 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1624 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1625 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1626 -4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1627 1627  
1628 -
1629 -)))
982 +The 5V output time can be controlled by AT Command.
1630 1630  
1631 -(% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
984 +**AT+5VT=1000**
1632 1632  
986 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1633 1633  
1634 -= 6. FAQ =
1635 1635  
1636 -== 6.1 How to upgrade the image? ==
989 +By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
1637 1637  
1638 1638  
1639 -(((
1640 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1641 -)))
1642 1642  
1643 -* (((
1644 -Support new features
1645 -)))
1646 -* (((
1647 -For bug fix
1648 -)))
1649 -* (((
1650 -Change LoRaWAN bands.
1651 -)))
1652 1652  
1653 -(((
1654 -Below shows the hardware connection for how to upload an image to RS485-LN:
1655 -)))
994 +1.
995 +11. LEDs
1656 1656  
1657 -(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
997 +|**LEDs**|**Feature**
998 +|**LED1**|Blink when device transmit a packet.
1658 1658  
1659 -(% title="Click and drag to resize" %)​
1000 +1.
1001 +11. Switch Jumper
1660 1660  
1661 -(((
1662 -(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1003 +|**Switch Jumper**|**Feature**
1004 +|**SW1**|(((
1005 +ISP position: Upgrade firmware via UART
1663 1663  
1664 -
1007 +Flash position: Configure device, check running status.
1665 1665  )))
1009 +|**SW2**|(((
1010 +5V position: set to compatible with 5v I/O.
1666 1666  
1667 -(((
1668 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
1669 -
1670 -
1012 +3.3v position: set to compatible with 3.3v I/O.,
1671 1671  )))
1672 1672  
1673 -(((
1674 -(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1015 ++3.3V: is always ON
1675 1675  
1676 -
1677 -)))
1017 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1678 1678  
1679 -(((
1680 -(((
1681 -(((
1682 -(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1683 -)))
1684 -)))
1685 -)))
1019 +1. Case Study
1686 1686  
1021 +User can check this URL for some case studies.
1687 1687  
1688 -(% aria-label="image-20220602175818-12.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175818-12.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1023 +[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
1689 1689  
1690 1690  
1691 -(% aria-label="image-20220602175848-13.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175848-13.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1692 1692  
1693 1693  
1694 -(% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1028 +1. Use AT Command
1029 +11. Access AT Command
1695 1695  
1031 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1696 1696  
1033 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1697 1697  
1698 -(% style="color:red" %)**Users can select the new burning software STM32Cubeprogramer for firmware upgrade and follow the same connection steps to enter burning mode (until SYS LED is RED ON):**
1699 1699  
1700 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer]]
1036 +In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1701 1701  
1038 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1702 1702  
1703 -(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
1704 1704  
1705 -(% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1706 1706  
1042 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1707 1707  
1708 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1709 1709  
1710 1710  
1711 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1046 +1.
1047 +11. Common AT Command Sequence
1048 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1712 1712  
1050 +If device has not joined network yet:
1713 1713  
1714 -== 6.3 How many RS485-Slave can RS485-LN connects? ==
1052 +AT+FDR
1715 1715  
1054 +AT+NJM=0
1716 1716  
1717 -The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1056 +ATZ
1718 1718  
1719 1719  
1720 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1059 +If device already joined network:
1721 1721  
1061 +AT+NJM=0
1722 1722  
1723 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1063 +ATZ
1724 1724  
1725 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1065 +1.
1066 +11.
1067 +111. Single-channel ABP mode (Use with LG01/LG02)
1726 1726  
1069 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1727 1727  
1728 -== 6.5 Can i use point to point communication for RS485-LN? ==
1071 +AT+NJM=0 Set to ABP mode
1729 1729  
1073 +AT+ADR=0 Set the Adaptive Data Rate Off
1730 1730  
1731 -Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1075 +AT+DR=5  Set Data Rate
1732 1732  
1077 +AT+TDC=60000  Set transmit interval to 60 seconds
1733 1733  
1734 -== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1079 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1735 1735  
1081 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1736 1736  
1737 -[[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1083 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1738 1738  
1085 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1739 1739  
1740 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1087 +ATZ          Reset MCU
1741 1741  
1742 -=== 6.7.1 Introduce: ===
1089 +**Note:**
1743 1743  
1091 +1. Make sure the device is set to ABP mode in the IoT Server.
1092 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1093 +1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1094 +1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1744 1744  
1745 -Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
1096 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1746 1746  
1747 -1. Test if Modbus-MTU works with PC commands.
1748 -1. Check if RS485-LN sent the expected command to Mobus-MTU
1749 -1. Check if Modbus-MTU return back the expected result to RS485-LN.
1750 -1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1751 1751  
1752 -[[image:image-20240816112950-1.png||height="382" width="731"]]
1099 +1. FAQ
1100 +11. How to upgrade the image?
1753 1753  
1102 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1754 1754  
1755 -Example Connection:
1104 +* Support new features
1105 +* For bug fix
1106 +* Change LoRaWAN bands.
1756 1756  
1757 -[[image:image-20221130104310-2.png]]
1108 +Below shows the hardware connection for how to upload an image to RS485-BL:
1758 1758  
1110 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1759 1759  
1760 -=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1112 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1761 1761  
1114 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1762 1762  
1763 -(% style="color:red" %)**Note: Receive and send set to hex mode**
1116 +**Step3: **Open flashloader; choose the correct COM port to update.
1764 1764  
1765 -[[image:image-20221130104310-3.png||height="616" width="714"]]
1766 1766  
1119 +|(((
1120 +HOLD PRO then press the RST button, SYS will be ON, then click next
1121 +)))
1767 1767  
1768 -=== 6.7.3 With ModRSsim2: ===
1123 +|(((
1124 +Board detected
1125 +)))
1769 1769  
1127 +|(((
1128 +
1129 +)))
1770 1770  
1771 -(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1131 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1772 1772  
1773 -[[image:image-20221130104310-4.png||height="390" width="865"]]
1774 1774  
1775 1775  
1776 -(% style="color:blue" %)**(2) Click the serial port icon**
1135 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1777 1777  
1778 -[[image:image-20221130104310-5.png||height="392" width="870"]]
1779 1779  
1138 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1780 1780  
1781 -(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1782 1782  
1783 -[[image:image-20221130104310-6.png]]
1141 +1.
1142 +11. How to change the LoRa Frequency Bands/Region?
1784 1784  
1144 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1785 1785  
1786 -(% style="color:blue" %)**(4) Click the comms.**
1787 1787  
1788 -[[image:image-20221130104310-7.png||height="376" width="835"]]
1789 1789  
1790 -(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1791 -**Run RS485-LN/BL command and monitor if it is correct.**
1148 +1.
1149 +11. How many RS485-Slave can RS485-BL connects?
1792 1792  
1151 +The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
1793 1793  
1794 -=== 6.7.4 Example – Test the CFGDEV command ===
1795 1795  
1796 1796  
1797 -RS485-LN sent below command:
1798 1798  
1799 -(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1156 +1. Trouble Shooting     
1157 +11. Downlink doesn’t work, how to solve it?
1800 1800  
1159 +Please see this link for debug:
1801 1801  
1802 -We can see the output from the Serial port tool to analyze. And check if they are expected result.
1161 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1803 1803  
1804 -[[image:image-20221130104310-8.png||height="214" width="797"]]
1805 1805  
1806 1806  
1807 -We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1165 +1.
1166 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1808 1808  
1809 -[[image:image-20221130104310-9.png||height="531" width="729"]]
1168 +It might about the channels mapping. Please see for detail.
1810 1810  
1170 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1811 1811  
1812 -=== 6.7.5 Example – Test CMD command sets. ===
1813 1813  
1814 1814  
1815 -Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1174 +1. Order Info
1816 1816  
1176 +**Part Number: RS485-BL-XXX**
1817 1817  
1818 -(% style="color:blue" %)**Serial port tool:**
1178 +**XXX:**
1819 1819  
1820 -[[image:image-20221130104310-10.png||height="339" width="844"]]
1180 +* **EU433**: frequency bands EU433
1181 +* **EU868**: frequency bands EU868
1182 +* **KR920**: frequency bands KR920
1183 +* **CN470**: frequency bands CN470
1184 +* **AS923**: frequency bands AS923
1185 +* **AU915**: frequency bands AU915
1186 +* **US915**: frequency bands US915
1187 +* **IN865**: frequency bands IN865
1188 +* **RU864**: frequency bands RU864
1189 +* **KZ865: **frequency bands KZ865
1821 1821  
1191 +1. Packing Info
1822 1822  
1823 -(% style="color:blue" %)**ModRSsim2:**
1824 -
1825 -[[image:image-20221130104310-11.png||height="281" width="962"]]
1826 -
1827 -
1828 -=== 6.7.6 Test with PC ===
1829 -
1830 -
1831 -If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
1832 -
1833 -
1834 -Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1835 -
1836 -(% style="color:blue" %)**Connection method：**
1837 -
1838 -[[image:image-20221130104310-12.png]]
1839 -
1840 -
1841 -(% style="color:blue" %)**Link situation:**
1842 -
1843 -[[image:image-20221130104310-13.png||height="458" width="486"]]
1844 -
1845 -
1846 -[[image:image-20221130104310-14.png||height="371" width="823"]]
1847 -
1848 -
1849 -== 6.8 Where to get the decoder for RS485-LN? ==
1850 -
1851 -
1852 -The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
1853 -
1854 -
1855 -== 6.9 How to configure RS485 commands more conveniently？ ==
1856 -
1857 -
1858 -Dragino has developed an application for the RS485 series of products.
1859 -
1860 -It can help you configure RS485 sensors more conveniently
1861 -Please refer to the link below for specific usage：
1862 -
1863 -[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
1864 -
1865 -
1866 -= 7. Trouble Shooting =
1867 -
1868 -== 7.1 Downlink doesn't work, how to solve it? ==
1869 -
1870 -
1871 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1872 -
1873 -
1874 -== 7.2 Why customers can't join TTN V3 in US915 /AU915 bands? ==
1875 -
1876 -
1877 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1878 -
1879 -
1880 -== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
1881 -
1882 -This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
1883 -
1884 -Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
1885 -
1886 -[[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
1887 -
1888 -Example:
1889 -
1890 -[[image:image-20240620145456-1.png]]
1891 -
1892 -Please refer to the following command to fix DR
1893 -
1894 -AT+ADR=0
1895 -
1896 -AT+DR=3
1897 -
1898 -Downlink command:
1899 -
1900 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
1901 -
1902 -
1903 -
1904 -= 8. Order Info =
1905 -
1906 -
1907 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1908 -
1909 -(% style="color:blue" %)**XXX:**
1910 -
1911 -* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1912 -* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1913 -* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1914 -* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1915 -* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1916 -* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1917 -* (% style="color:red" %)**US915**(%%):  frequency bands US915
1918 -* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1919 -* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1920 -* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1921 -
1922 -= 9. Packing Info =
1923 -
1924 -
1925 1925  **Package Includes**:
1926 1926  
1927 -* RS485-LN x 1
1195 +* RS485-BL x 1
1928 1928  * Stick Antenna for LoRa RF part x 1
1929 1929  * Program cable x 1
1930 1930  
... ... @@ -1935,67 +1935,9 @@
1935 1935  * Package Size / pcs : 14.5 x 8 x 5 cm
1936 1936  * Weight / pcs : 170g
1937 1937  
1938 -= 10. FCC Caution for RS485LN-US915 =
1206 +1. Support
1939 1939  
1208 +* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1209 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1940 1940  
1941 -(((
1942 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1943 -)))
1944 -
1945 -(((
1946 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1947 -)))
1948 -
1949 -(((
1950 -
1951 -)))
1952 -
1953 -(((
1954 -(% style="color:red" %)**IMPORTANT NOTE:**
1955 -)))
1956 -
1957 -(((
1958 -(% style="color:red" %)**Note: **(%%)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1959 -)))
1960 -
1961 -(((
1962 -—Reorient or relocate the receiving antenna.
1963 -)))
1964 -
1965 -(((
1966 -—Increase the separation between the equipment and receiver.
1967 -)))
1968 -
1969 -(((
1970 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1971 -)))
1972 -
1973 -(((
1974 -—Consult the dealer or an experienced radio/TV technician for help.
1975 -)))
1976 -
1977 -(((
1978 -
1979 -)))
1980 -
1981 -(((
1982 -(% style="color:red" %)**FCC Radiation Exposure Statement:**
1983 -)))
1984 -
1985 -(((
1986 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1987 -)))
1988 -
1989 -
1990 -= 11. Support =
1991 -
1992 -
1993 -* (((
1994 -Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1995 -)))
1996 -* (((
1997 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
1998 -
1999 -
2000 -
2001 -)))
1211 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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