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edited by Xiaoling
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edited by Xiaoling
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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
Content
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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
... ... @@ -116,24 +116,20 @@
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  
138 138  
139 139  )))
... ... @@ -141,7 +141,6 @@
141 141  
142 142  = 2. Power ON Device =
143 143  
144 -
145 145  (((
146 146  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
147 147  
... ... @@ -152,7 +152,7 @@
152 152  Once there is power, the RS485-LN will be on.
153 153  )))
154 154  
155 -(% 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]]
156 156  
157 157  
158 158  )))
... ... @@ -161,11 +161,8 @@
161 161  
162 162  == 3.1 How it works? ==
163 163  
164 -
165 165  (((
166 -(((
167 167  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.
168 -)))
169 169  
170 170  
171 171  )))
... ... @@ -172,13 +172,11 @@
172 172  
173 173  == 3.2 Example to join LoRaWAN network ==
174 174  
175 -
176 176  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. 
177 177  
153 +[[image:1653268155545-638.png||height="334" width="724"]]
178 178  
179 -(% 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" %)​
180 180  
181 -
182 182  (((
183 183  (((
184 184  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:
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186 186  
187 187  (((
188 188  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
189 -
190 -
191 191  )))
192 192  
193 -(% 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"]]
194 194  
195 -
196 196  (((
197 -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:
198 -
199 -
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:
200 200  )))
201 201  
202 202  (((
203 -(% 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.
204 204  )))
205 205  
206 206  (((
... ... @@ -208,135 +208,106 @@
208 208  )))
209 209  )))
210 210  
211 -(% 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]]
212 212  
213 -
214 214  (((
215 215  (((
216 216  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
217 -
218 -
219 219  )))
220 220  
221 221  (((
222 -**Add APP EUI in the application.**
188 +Add APP EUI in the application.
223 223  )))
224 224  )))
225 225  
226 -(% 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]]
227 227  
228 -(% 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"]]
229 229  
230 -(% 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"]]
231 231  
232 -(% 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]]
233 233  
234 -
235 -(% title="Click and drag to resize" %)​
236 -
237 237  You can also choose to create the device manually.
238 238  
239 -(% 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"]]
240 240  
204 +Add APP KEY and DEV EUI
241 241  
206 +[[image:1652953553383-907.png||height="514" width="724"]]
242 242  
243 -**Add APP KEY and DEV EUI**
244 244  
245 -(% 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" %)​
246 -
247 -
248 248  (((
249 -(% 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.
250 -
251 -
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.
252 252  )))
253 253  
254 -(% 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"]]
255 255  
256 256  
257 -== 3.3 Configure Device to Read RS485 Sensors ==
216 +== 3.3 Configure Commands to read data ==
258 258  
259 -
260 -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.
261 -
262 -
263 263  (((
264 264  (((
265 -(((
266 -(% 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.
267 267  )))
268 268  
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
269 269  
270 -=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
271 -
272 -
273 -Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
274 -
275 -* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
276 -
277 -[[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"]]
278 -
279 -
280 -=== 3.3.2  Method 2 ~-~- via AT Commands ===
226 +
281 281  )))
282 282  )))
283 283  
284 -==== 3.3.2.1 Configure UART settings for RS485 or TTL communication ====
230 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
285 285  
286 -
287 -RS485-LN can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
288 -
289 289  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:
290 290  
291 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
292 -|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 +|(% style="width:128px" %)(((
293 293  **AT Commands**
294 -)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
237 +)))|(% style="width:305px" %)(((
295 295  **Description**
296 -)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
239 +)))|(% style="width:346px" %)(((
297 297  **Example**
298 298  )))
299 -|(% style="width:126px" %)(((
300 -
301 -
302 -(((
242 +|(% style="width:128px" %)(((
303 303  AT+BAUDR
304 -)))
305 -)))|(% style="width:177px" %)(((
244 +)))|(% style="width:305px" %)(((
306 306  Set the baud rate (for RS485 connection). Default Value is: 9600.
307 -)))|(% style="width:193px" %)(((
246 +)))|(% style="width:346px" %)(((
308 308  (((
309 309  AT+BAUDR=9600
310 310  )))
311 311  
312 312  (((
313 -Options: (1200,2400,4800,
314 -14400,19200,115200)
252 +Options: (1200,2400,4800,14400,19200,115200)
315 315  )))
316 316  )))
317 -|(% style="width:126px" %)(((
255 +|(% style="width:128px" %)(((
318 318  AT+PARITY
319 -)))|(% style="width:177px" %)(((
257 +)))|(% style="width:305px" %)(((
320 320  Set UART parity (for RS485 connection)
321 -)))|(% style="width:193px" %)(((
259 +)))|(% style="width:346px" %)(((
322 322  (((
323 323  AT+PARITY=0
324 324  )))
325 325  
326 326  (((
327 -Option: 0: no parity,
328 -1: odd parity,
329 -2: even parity
265 +Option: 0: no parity, 1: odd parity, 2: even parity
330 330  )))
331 331  )))
332 -|(% style="width:126px" %)(((
268 +|(% style="width:128px" %)(((
333 333  AT+STOPBIT
334 -)))|(% style="width:177px" %)(((
270 +)))|(% style="width:305px" %)(((
335 335  (((
336 336  Set serial stopbit (for RS485 connection)
337 337  )))
338 -)))|(% style="width:193px" %)(((
274 +
339 339  (((
276 +
277 +)))
278 +)))|(% style="width:346px" %)(((
279 +(((
340 340  AT+STOPBIT=0 for 1bit
341 341  )))
342 342  
... ... @@ -349,1505 +349,910 @@
349 349  )))
350 350  )))
351 351  
352 -=== 3.3.3 Configure sensors ===
353 353  
354 354  
294 +=== 3.3.2 Configure sensors ===
295 +
355 355  (((
356 -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.
357 357  )))
300 +)))
358 358  
359 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
360 -|=(% style="width: 122px; background-color:#D9E2F3;color:#0070C0" %)**AT Commands**|=(% style="width: 198px; background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Example**
361 -|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
362 -(((
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" %)(((
363 363  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
364 -)))
365 365  
366 -(((
367 367  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
368 -)))
369 369  
370 -(((
371 371  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
372 -)))
373 -)))|(% 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
374 374  
375 -=== 3.3.4 Configure read commands for each sampling ===
376 376  
377 377  
378 -(((
379 -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 ===
380 380  
381 -To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
382 -
383 -This section describes how to achieve above goals.
384 -
385 -During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
386 -
387 -
388 -(% style="color:#037691" %)**Each RS485 commands include two parts:**
389 -
390 -
391 -~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.
392 -
393 -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.
394 -
395 -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
396 -
397 -
398 -After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
399 -
400 -Below are examples for the how above AT Commands works.
401 -
402 -
403 -(% 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:
404 -
405 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
406 -|(% style="width:496px" %)(((
407 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
408 -
409 -**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
410 -
411 -**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
412 -)))
413 -
414 -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.
415 -
416 -In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
417 -
418 -
419 -If a single command exceeds 14 bytes, you can use the command splicing function.
420 -
421 -When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
422 -
423 -
424 -**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
425 -
426 - AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
427 -
428 - AT+COMMAND1=1
429 -
430 - AT+COMMAND2=0E 0F,0
431 -
432 -
433 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
434 -
435 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
436 -|(% style="width:510px" %)(((
437 -**AT+DATACUTx=a,b,c**
438 -
439 -* **a: length for the return of AT+COMMAND**
440 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
441 -* **c: define the position for valid value.  **
442 -)))
443 -
444 -**Examples:**
445 -
446 -
447 -* (% style="color:#037691" %)**Grab bytes**
448 -
449 -(% 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" %)​
450 -
451 -
452 -
453 -* (% style="color:#037691" %)**Grab a section**
454 -
455 -(% 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" %)​
456 -
457 -
458 -
459 -* (% style="color:#037691" %)**Grab different sections**
460 -
461 -(% 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" %)​
462 -
463 -
464 -)))
465 -
466 -=== 3.3.5 Compose the uplink payload ===
467 -
468 -
469 469  (((
470 -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.**
471 -
472 -
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.
473 473  )))
474 474  
475 475  (((
476 -(% style="color:#037691" %)**Examples: AT+DATAUP=0**
477 -
478 -
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.
479 479  )))
480 480  
481 481  (((
482 -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.
483 483  )))
484 484  
485 485  (((
486 -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.
487 487  )))
488 488  
489 489  (((
490 -Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
491 -
492 -
333 +During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
493 493  )))
494 494  
495 -[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
496 -
497 -
498 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
499 -
500 -
501 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
502 -
503 -Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
504 -
505 -
506 -~1. PAYVER: Defined by AT+PAYVER
507 -
508 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
509 -
510 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
511 -
512 -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
513 -
514 -
515 -(% 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" %)​
516 -
517 -
518 -So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
519 -
520 -DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
521 -
522 -DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
523 -
524 -DATA3=the rest of Valid value of RETURN10= **30**
525 -
526 -
527 -(% 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:**
528 -
529 -
530 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
531 -
532 - * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
533 -
534 - * For US915 band, max 11 bytes for each uplink.
535 -
536 - ~* For all other bands: max 51 bytes for each uplink.
537 -
538 -
539 -(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
540 -
541 -(% 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)**
542 -
543 -
544 -
545 -Below are the uplink payloads:
546 -
547 -
548 -(% 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" %)​
549 -
550 -
551 -=== 3.3.6 Uplink on demand ===
552 -
553 -
554 -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.
555 -
556 -(% style="color:blue" %)**Downlink control command:**
557 -
558 -(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
559 -
560 -(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
561 -
562 -
563 -=== 3.3.7 Uplink on Interrupt ===
564 -
565 -
566 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
567 -
568 -(% 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"]](% title="Click and drag to resize" %)​
569 -
570 -Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
571 -
572 -
573 -== 3.4 Uplink Payload ==
574 -
575 -
576 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
577 -|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
578 -**Size(bytes)**
579 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
580 -**Length depends on the return from the commands**
581 -)))
582 -|(% style="width:90px" %)(((
583 -Value
584 -)))|(% style="width:114px" %)(((
585 -PAYLOAD_VER
586 -)))|(% style="width:353px" %)(((
587 -If the valid payload is too long and exceed the maximum
588 -
589 -support payload length in server, server will show payload not
590 -
591 -provided in the LoRaWAN server.
592 -)))
593 -
594 -(% 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.
595 -
596 -
597 -== 3.5 Configure RS485-LN via AT or Downlink ==
598 -
599 -
600 600  (((
601 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
337 +**Command from RS485-BL to Sensor:**
602 602  )))
603 603  
604 604  (((
605 -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.
606 606  )))
607 607  
608 -* (((
609 -(% 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]]
610 -)))
611 -
612 -* (((
613 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
614 -)))
615 -
616 616  (((
617 -
345 +**Handle return from sensors to RS485-BL**:
618 618  )))
619 619  
620 -
621 -=== 3.5.1 Common Commands ===
622 -
623 -
624 -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]]
625 -
626 -
627 -=== 3.5.2 Downlink Response(Since firmware v1.4) ===
628 -
629 -
630 -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.
631 -
632 -
633 -(% 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"]]
634 -
635 -(% title="Click and drag to resize" %)​
636 -
637 -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)
638 -
639 -
640 -=== 3.5.3 Sensor related commands ===
641 -
642 -
643 -
644 -==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
645 -
646 -
647 647  (((
648 -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**
649 649  )))
650 650  
651 -(((
652 -* (% style="color:#037691" %)**AT Command**
653 -
654 -(((
655 -(% 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
352 +* (((
353 +**AT+DATACUT**
656 656  )))
657 -)))
658 658  
659 659  (((
660 -
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.
661 661  )))
662 662  
663 663  * (((
664 -(% style="color:#037691" %)**Downlink Payload**
361 +**AT+SEARCH**
665 665  )))
666 666  
667 667  (((
668 -Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
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.
669 669  )))
670 670  
671 671  (((
672 -Where:
369 +**Define wait timeout:**
673 673  )))
674 674  
675 -* (((
676 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
677 -)))
678 -* (((
679 -NN: The length of RS485 command
680 -)))
681 -* (((
682 -XX XX XX XX: RS485 command total NN bytes
683 -)))
684 -* (((
685 685  (((
686 -YY: How many bytes will be uplink from the return of this RS485 command,
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
687 687  )))
688 688  
689 -* (((
690 -if YY=0, RS485-LN will execute the downlink command without uplink;
691 -)))
692 -* (((
693 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
694 -)))
695 -* (((
696 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
697 -)))
698 -)))
699 -
700 700  (((
701 -
702 -
703 -(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
377 +After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
704 704  )))
705 705  
706 -(((
707 -To connect a Modbus Alarm with below commands.
708 -)))
380 +**Examples:**
709 709  
710 -* (((
711 -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.
712 -)))
382 +Below are examples for the how above AT Commands works.
713 713  
714 -* (((
715 -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.
716 -)))
384 +**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
717 717  
718 -(((
719 -
386 +(% border="1" class="table-bordered" %)
387 +|(((
388 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
720 720  
721 -So if user want to use downlink command to control to RS485 Alarm, he can use:
722 -)))
390 +**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
723 723  
724 -(((
725 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
392 +**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
726 726  )))
727 727  
728 728  (((
729 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
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.
730 730  )))
731 731  
732 732  (((
733 -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.
400 +In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
734 734  )))
735 735  
736 736  (((
737 -
404 +**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
738 738  )))
739 739  
740 -(((
741 -(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
742 -)))
407 +(% border="1" class="table-bordered" %)
408 +|(((
409 +**AT+SEARCHx=aa,xx xx xx xx xx**
743 743  
744 -(((
745 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
746 -)))
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**
747 747  
748 -(((
749 749  
750 750  )))
751 751  
752 -(((
753 -(((
754 -RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:  **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
755 -)))
417 +**Examples:**
756 756  
757 -
758 -)))
419 +~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
759 759  
760 -(((
761 - (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.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" %)​
762 -)))
421 +If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
763 763  
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**
764 764  
425 +[[image:1653269403619-508.png]]
765 765  
766 -==== (% style="color:blue" %)**Set Payload version**(%%) ====
427 +2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
767 767  
429 +If we set AT+SEARCH1=2, 1E 56 34+31 00 49
768 768  
769 -(((
770 -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.
771 -)))
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**
772 772  
773 -(((
774 -* (% style="color:#037691" %)**AT Command:**
433 +[[image:1653269438444-278.png]]
775 775  
776 -(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
435 +**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
777 777  
778 -
779 -)))
437 +|(((
438 +**AT+DATACUTx=a,b,c**
780 780  
781 -* (((
782 -(% style="color:#037691" %)**Downlink Payload:**
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.  **
783 783  )))
784 784  
785 -(((
786 -(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
787 -)))
445 +Examples:
788 788  
789 -(((
790 -(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
791 -)))
447 +* Grab bytes:
792 792  
449 +[[image:1653269551753-223.png||height="311" width="717"]]
793 793  
794 -**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
451 +* Grab a section.
795 795  
453 +[[image:1653269568276-930.png||height="325" width="718"]]
796 796  
797 -[[image:image-20220824145428-2.png||height="168" width="1300"]]
455 +* Grab different sections.
798 798  
457 +[[image:1653269593172-426.png||height="303" width="725"]]
799 799  
459 +(% style="color:red" %)**Note:**
800 800  
801 -**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.**
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.
802 802  
463 +Example:
803 803  
804 -[[image:image-20220824145428-3.png||height="308" width="1200"]]
465 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
805 805  
467 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
806 806  
469 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
807 807  
808 -==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
471 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
809 809  
473 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
810 810  
811 -(((
812 -AT+COMMANDx or AT+DATACUTx
813 -)))
475 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
814 814  
815 -(((
816 -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"]].
817 -)))
477 +[[image:1653269618463-608.png]]
818 818  
819 -(((
820 -
821 -)))
479 +=== 3.3.4 Compose the uplink payload ===
822 822  
823 -* (((
824 -(% style="color:#037691" %)**AT Command:**
825 -)))
826 -
827 -(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
828 -
829 -(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
830 -
831 -
832 -* (((
833 -(% style="color:#037691" %)**Downlink Payload:**
834 -)))
835 -
836 836  (((
837 -(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
838 -
839 -
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.**
840 840  )))
841 841  
842 842  (((
843 -(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
844 -
845 -
486 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
846 846  )))
847 847  
848 848  (((
849 -Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
490 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
850 850  )))
851 851  
852 852  (((
853 -Where:
494 +Final Payload is
854 854  )))
855 855  
856 -* (((
857 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
858 -)))
859 -* (((
860 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
861 -)))
862 -* (((
863 -LL:  The length of AT+COMMAND or AT+DATACUT command
864 -)))
865 -* (((
866 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
867 -)))
868 -* (((
869 -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.
870 -)))
871 -
872 872  (((
873 -
874 -
875 -**Example:**
498 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
876 876  )))
877 877  
878 878  (((
879 -(% 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
502 +Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
880 880  )))
881 881  
882 -(((
883 -(% 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**
884 -)))
505 +[[image:1653269759169-150.png||height="513" width="716"]]
885 885  
886 -(((
887 -(% 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**
888 -)))
507 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
889 889  
509 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
890 890  
511 +Final Payload is
891 891  
892 -==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
513 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
893 893  
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
894 894  
895 -(((
896 -(% 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]].
897 -)))
521 +[[image:1653269916228-732.png||height="433" width="711"]]
898 898  
899 -(((
900 -This command is valid since v1.3 firmware version
901 -)))
902 902  
903 -(((
904 -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.
905 -)))
524 +So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
906 906  
907 -(((
908 -
909 -)))
526 +DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
910 910  
911 -(((
912 -**Example:**
913 -)))
528 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
914 914  
915 -* (((
916 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
917 -)))
918 -* (((
919 -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.
920 -)))
921 -* (((
922 -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.
530 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
923 923  
924 -
925 -)))
532 +Below are the uplink payloads:
926 926  
927 -(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
534 +[[image:1653270130359-810.png]]
928 928  
929 -(% title="Click and drag to resize" %)​
930 930  
931 -(% 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" %)​
537 +(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
932 932  
933 -* (((
934 -(% style="color:#037691" %)**Downlink Command:**
935 -)))
539 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
936 936  
937 -**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
541 + * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
938 938  
543 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
939 939  
940 -==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
545 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
941 941  
547 +=== 3.3.5 Uplink on demand ===
942 942  
943 -(((
944 -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.
945 -)))
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.
946 946  
947 -(((
948 -Default value: 0, range:  0 ~~ 65 seconds
949 -)))
551 +Downlink control command:
950 950  
951 -(((
952 -* (% style="color:#037691" %)** AT Command:**
553 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
953 953  
954 -(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
955 -)))
555 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
956 956  
957 -(((
958 -
959 959  
960 -**Example:**
961 -)))
962 962  
963 -(((
964 -(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
965 -)))
559 +1.
560 +11.
561 +111. Uplink on Interrupt
966 966  
967 -(((
968 -
969 -)))
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]]
970 970  
971 -* (((
972 -(% style="color:#037691" %)** Downlink Payload:**
973 -)))
565 +AT+INTMOD=0  Disable Interrupt
974 974  
975 -(((
976 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
977 -)))
567 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
978 978  
979 -(((
980 -
569 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
981 981  
982 -**Example:**
983 -)))
571 +AT+INTMOD=3  Interrupt trigger by rising edge.
984 984  
985 -(((
986 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
987 -)))
988 988  
574 +1.
575 +11. Uplink Payload
989 989  
577 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
578 +|Value|(((
579 +Battery(mV)
990 990  
991 -==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
581 +&
992 992  
583 +Interrupt _Flag
584 +)))|(((
585 +PAYLOAD_VER
993 993  
994 -(((
995 -Define to use one uplink or multiple uplinks for the sampling.
996 -)))
997 -
998 -(((
999 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1000 -
1001 1001  
1002 -)))
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.
1003 1003  
1004 -(((
1005 -* (% style="color:#037691" %)** AT Command:**
590 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
1006 1006  
1007 -(% style="color:#4472c4" %)** AT+DATAUP=0**
1008 1008  
1009 -(% style="color:#4472c4" %)** AT+DATAUP=1**
593 +function Decoder(bytes, port) {
1010 1010  
1011 -
1012 -)))
595 +~/~/Payload Formats of RS485-BL Deceive
1013 1013  
1014 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1,20000  ~/~/  (00 00 14 is 20 seconds)
597 +return {
1015 1015  
1016 -Each uplink is sent to the server at 20-second intervals when segmented.
599 + ~/~/Battery,units:V
1017 1017  
601 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
1018 1018  
1019 -* (((
1020 -(% style="color:#037691" %)** Downlink Payload:**
1021 -)))
603 + ~/~/GPIO_EXTI 
1022 1022  
1023 -(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
605 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
1024 1024  
1025 -(% 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.
607 + ~/~/payload of version
1026 1026  
609 + Pay_ver:bytes[2],
1027 1027  
1028 -(Since firmware v1.4.0)
611 + };
1029 1029  
1030 -* (((
1031 -(% style="color:#037691" %)** AT Command:**
1032 -)))
613 + }
1033 1033  
1034 -(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
1035 1035  
1036 1036  
1037 -* (((
1038 -(% style="color:#037691" %)** Downlink Payload:**
1039 -)))
1040 1040  
1041 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1,20000  ~/~/  (00 00 14 is 20 seconds)
1042 1042  
1043 -Each uplink is sent to the server at 20-second intervals when segmented.
1044 1044  
1045 1045  
1046 -==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
621 +TTN V3 uplink screen shot.
1047 1047  
623 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1048 1048  
1049 -AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
625 +1.
626 +11. Configure RS485-BL via AT or Downlink
1050 1050  
1051 -When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
628 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
1052 1052  
1053 -When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
630 +There are two kinds of Commands:
1054 1054  
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
1055 1055  
1056 -* (((
1057 -(% style="color:#037691" %)** AT Command:**
1058 -)))
634 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
1059 1059  
1060 -(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
636 +1.
637 +11.
638 +111. Common Commands:
1061 1061  
1062 -(% 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**//
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]]
1063 1063  
1064 1064  
1065 -(% 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.
643 +1.
644 +11.
645 +111. Sensor related commands:
1066 1066  
647 +==== Choose Device Type (RS485 or TTL) ====
1067 1067  
1068 -(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
649 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
1069 1069  
651 +* AT Command
1070 1070  
1071 -* (((
1072 -(% style="color:#037691" %)** Downlink Payload:**
1073 -)))
653 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
1074 1074  
1075 -//AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xAC 01**//
655 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
1076 1076  
1077 -// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
1078 1078  
1079 -//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
658 +* Downlink Payload
1080 1080  
1081 -//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
660 +**0A aa**     à same as AT+MOD=aa
1082 1082  
1083 1083  
1084 -==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1085 1085  
664 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
1086 1086  
1087 -(((
1088 -Ask device to send an uplink immediately.
1089 -)))
666 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
1090 1090  
1091 -* (((
1092 -(% style="color:#037691" %)** AT Command:**
1093 -)))
668 +* AT Command
1094 1094  
1095 -(((
1096 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1097 -)))
670 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
1098 1098  
1099 -(((
1100 -
1101 -)))
672 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
1102 1102  
1103 -* (((
1104 -(% style="color:#037691" %)** Downlink Payload:**
1105 -)))
1106 1106  
1107 -(((
1108 -(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1109 -)))
1110 1110  
676 +* Downlink Payload
1111 1111  
678 +Format: A8 MM NN XX XX XX XX YY
1112 1112  
1113 -==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
680 +Where:
1114 1114  
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
1115 1115  
1116 -(((
1117 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
687 +**Example 1:**
1118 1118  
1119 -
1120 -)))
689 +To connect a Modbus Alarm with below commands.
1121 1121  
1122 -* (((
1123 -(% style="color:#037691" %)** AT Command:**
1124 -)))
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.
1125 1125  
1126 -(((
1127 -(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1128 -)))
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.
1129 1129  
1130 -(((
1131 -
695 +So if user want to use downlink command to control to RS485 Alarm, he can use:
1132 1132  
1133 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1134 -)))
697 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
1135 1135  
1136 -(((
1137 -Example screen shot after clear all RS485 commands. 
1138 -)))
699 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
1139 1139  
1140 -(((
1141 -
1142 -)))
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.
1143 1143  
1144 -(((
1145 -The uplink screen shot is:
1146 -)))
1147 1147  
1148 -(% 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" %)​
704 +**Example 2:**
1149 1149  
706 +Check TTL Sensor return:
1150 1150  
1151 -* (((
1152 -(% style="color:#037691" %)** Downlink Payload:**
1153 -)))
708 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1154 1154  
1155 -(((
1156 -(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1157 -)))
1158 1158  
1159 1159  
1160 1160  
1161 -==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
713 +==== Set Payload version ====
1162 1162  
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.
1163 1163  
1164 -(((
1165 -Set the Rs485 serial communication parameters:
1166 -)))
717 +* AT Command:
1167 1167  
1168 -(((
1169 -(% style="color:#037691" %)**AT Command:**
1170 -)))
719 +AT+PAYVER: Set PAYVER field = 1
1171 1171  
1172 -(((
1173 -* Set Baud Rate
1174 -)))
1175 1175  
1176 -(% 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
722 +* Downlink Payload:
1177 1177  
724 +0xAE 01   à Set PAYVER field =  0x01
1178 1178  
1179 -(((
1180 -* Set UART Parity
1181 -)))
726 +0xAE 0F   à Set PAYVER field =  0x0F
1182 1182  
1183 -(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
1184 1184  
729 +==== Set RS485 Sampling Commands ====
1185 1185  
1186 -(((
1187 -* Set STOPBIT
1188 -)))
731 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1189 1189  
1190 -(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
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]].
1191 1191  
1192 1192  
1193 -(((
1194 -(% style="color:#037691" %)**Downlink Payload:**
1195 -)))
736 +* AT Command:
1196 1196  
1197 -(((
1198 -(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1199 -)))
738 +AT+COMMANDx: Configure RS485 read command to sensor.
1200 1200  
1201 -(((
1202 -**Example:**
1203 -)))
740 +AT+DATACUTx: Configure how to handle return from RS485 devices.
1204 1204  
1205 -* (((
1206 -A7 01 00 60  same as AT+BAUDR=9600
1207 -)))
1208 -* (((
1209 -A7 01 04 80  same as AT+BAUDR=115200
1210 -)))
742 +AT+SEARCHx: Configure search command
1211 1211  
1212 -(((
1213 -* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1214 -)))
1215 1215  
1216 -(((
1217 -* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1218 -)))
745 +* Downlink Payload:
1219 1219  
747 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1220 1220  
749 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1221 1221  
751 +Format: AF MM NN LL XX XX XX XX YY
1222 1222  
1223 -==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
753 +Where:
1224 1224  
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.
1225 1225  
1226 -* (((
1227 -(% style="color:#037691" %)** AT Command:**
1228 -)))
761 +Example:
1229 1229  
1230 -(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
763 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
1231 1231  
1232 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
765 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
1233 1233  
1234 -* (((
1235 -(% style="color:#037691" %)**Downlink Payload:**
1236 -)))
767 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
1237 1237  
1238 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1239 1239  
1240 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
770 +0xAB downlink command can be used for set AT+SEARCHx
1241 1241  
772 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1242 1242  
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
1243 1243  
1244 -==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
777 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1245 1245  
1246 -(((
1247 -
1248 -)))
1249 1249  
1250 -* (((
1251 -(% style="color:#037691" %)** AT Command:**
1252 -)))
780 +==== Fast command to handle MODBUS device ====
1253 1253  
1254 -(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
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]].
1255 1255  
1256 -(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
784 +This command is valid since v1.3 firmware version
1257 1257  
1258 1258  
787 +AT+MBFUN has only two value:
1259 1259  
1260 -==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
789 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
1261 1261  
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.
1262 1262  
1263 -* (((
1264 -(% style="color:#037691" %)** AT Command:**
1265 -)))
793 +* AT+MBFUN=0: Disable Modbus fast reading.
1266 1266  
1267 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
795 +Example:
1268 1268  
1269 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
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.
1270 1270  
801 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
1271 1271  
1272 1272  
1273 -==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
804 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1274 1274  
1275 1275  
1276 -* (((
1277 -(% style="color:#037691" %)** AT Command:**
1278 -)))
807 +* Downlink Commands:
1279 1279  
1280 -(% 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)
809 +A9 aa Same as AT+MBFUN=aa
1281 1281  
1282 -(% 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.
1283 1283  
812 +==== RS485 command timeout ====
1284 1284  
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.
1285 1285  
1286 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
816 +Default value: 0, range 0 ~~ 5 seconds
1287 1287  
1288 1288  
1289 -* (((
1290 -(% style="color:#037691" %)** AT Command:**
1291 -)))
819 +* AT Command:
1292 1292  
1293 - (% 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)
821 +AT+CMDDLaa=hex(bb cc)
1294 1294  
1295 - (% 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.
823 +Example:
1296 1296  
825 +**AT+CMDDL1=1000** to send the open time to 1000ms
1297 1297  
1298 -* (((
1299 -(% style="color:#037691" %)** Downlink Payload:**
1300 -)))
1301 1301  
1302 -(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
828 +* Downlink Payload:
1303 1303  
830 +0x AA aa bb cc
1304 1304  
832 +Same as: AT+CMDDLaa=hex(bb cc)
1305 1305  
1306 -==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
834 + Example:
1307 1307  
836 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
1308 1308  
1309 -* (((
1310 -(% style="color:#037691" %)** AT Command:**
1311 -)))
1312 1312  
1313 -(% 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.
839 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
1314 1314  
1315 -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.
841 +Define to use one uplink or multiple uplinks for the sampling.
1316 1316  
843 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
1317 1317  
1318 -[[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"]]
845 +* AT Command:
1319 1319  
1320 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
847 +AT+DATAUP=0
1321 1321  
849 +AT+DATAUP=1
1322 1322  
1323 1323  
1324 -[[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"]]
852 +* Downlink Payload:
1325 1325  
1326 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
854 +0xAD 00   à Same as AT+DATAUP=0
1327 1327  
856 +0xAD 01   à Same as AT+DATAUP=1
1328 1328  
1329 1329  
1330 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
859 +==== Manually trigger an Uplink ====
1331 1331  
861 +Ask device to send an uplink immediately.
1332 1332  
1333 -(((
1334 -* (% style="color:#037691" %)**Downlink Payload:**
863 +* Downlink Payload:
1335 1335  
1336 -(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1337 -)))
865 +0x08 FF, RS485-BL will immediately send an uplink.
1338 1338  
1339 1339  
1340 -Example
868 +==== Clear RS485 Command ====
1341 1341  
870 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1342 1342  
1343 -[[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"]]
1344 1344  
873 +* AT Command:
1345 1345  
875 +**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1346 1346  
1347 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
877 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1348 1348  
879 +Example screen shot after clear all RS485 commands. 
1349 1349  
1350 -* (((
1351 -(% style="color:#037691" %)** AT Command:**
1352 -)))
1353 1353  
1354 -(% 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.
1355 1355  
1356 -(% 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.
883 +The uplink screen shot is:
1357 1357  
1358 -(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
885 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1359 1359  
1360 1360  
1361 -* (((
1362 -(% style="color:#037691" %)**Downlink Payload:**
1363 -)))
888 +* Downlink Payload:
1364 1364  
1365 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
890 +0x09 aa bb same as AT+CMDEAR=aa,bb
1366 1366  
1367 -[[image:image-20220824144240-1.png]]
1368 1368  
893 +==== Set Serial Communication Parameters ====
1369 1369  
1370 -== 3.6 Listening mode for RS485 network ==
895 +Set the Rs485 serial communication parameters:
1371 1371  
897 +* AT Command:
1372 1372  
1373 -(((
1374 -This feature support since firmware v1.4
1375 -)))
899 +Set Baud Rate:
1376 1376  
1377 -(((
1378 -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.
901 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1379 1379  
1380 -
1381 -)))
1382 1382  
1383 -(% 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"]]
904 +Set UART parity
1384 1384  
1385 -(% title="Click and drag to resize" %)​
906 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1386 1386  
1387 -(((
1388 -To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1389 -)))
1390 1390  
1391 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1392 -|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1393 -**Command example**
1394 -)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1395 -**Function**
1396 -)))
1397 -|(% style="width:156px" %)(((
1398 -AT+RXMODE=1,10
1399 -)))|(% style="width:352px" %)(((
1400 -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.
1401 -)))
1402 -|(% style="width:156px" %)(((
1403 -AT+RXMODE=2,500
1404 -)))|(% style="width:352px" %)(((
1405 -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
1406 -)))
1407 -|(% style="width:156px" %)(((
1408 -AT+RXMODE=0,0
1409 -)))|(% style="width:352px" %)(((
1410 -Disable listening mode. This is the default settings.
1411 -)))
1412 -|(% style="width:156px" %)(((
1413 -
1414 -)))|(% style="width:352px" %)(((
1415 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1416 -)))
909 +Set STOPBIT
1417 1417  
1418 -(((
1419 -
911 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1420 1420  
1421 -(% style="color:#037691" %)**Downlink Command:**
1422 -)))
1423 1423  
1424 -(((
1425 -(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1426 -)))
914 +* Downlink Payload:
1427 1427  
1428 -(((
1429 -
1430 -)))
916 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1431 1431  
1432 -(((
1433 -**Example**:
1434 -)))
918 +Example:
1435 1435  
1436 -(((
1437 -The RS485-LN is set to AT+RXMODE=2,1000
1438 -)))
920 +* A7 01 00 60   same as AT+BAUDR=9600
921 +* A7 01 04 80  same as AT+BAUDR=115200
1439 1439  
1440 -(((
1441 -There is a two Modbus commands in the RS485 network as below:
1442 -)))
923 +A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1443 1443  
1444 -(((
1445 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1446 -)))
925 +A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1447 1447  
1448 -(((
1449 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1450 -)))
1451 1451  
1452 -(((
1453 -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**
928 +==== Control output power duration ====
1454 1454  
1455 -
1456 -)))
930 +User can set the output power duration before each sampling.
1457 1457  
1458 -(((
1459 -(% 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" %)​
1460 -)))
932 +* AT Command:
1461 1461  
934 +Example:
1462 1462  
936 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1463 1463  
1464 -(((
1465 -(% 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.**
1466 -)))
938 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1467 1467  
1468 1468  
1469 -== 3.7 Buttons ==
941 +* LoRaWAN Downlink Command:
1470 1470  
943 +07 01 aa bb  Same as AT+5VT=(aa bb)
1471 1471  
1472 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1473 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1474 -|(% 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**
1475 -|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1476 -|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
945 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1477 1477  
1478 -== 3.8 LEDs ==
1479 1479  
1480 1480  
1481 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1482 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1483 -|PWR|Always on if there is power
1484 -|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.
1485 1485  
1486 -= 4. Case Study =
950 +1.
951 +11. Buttons
1487 1487  
953 +|**Button**|**Feature**
954 +|**RST**|Reboot RS485-BL
1488 1488  
1489 -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]]
956 +1.
957 +11. +3V3 Output
1490 1490  
959 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1491 1491  
1492 -= 5. Use AT Command =
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. 
1493 1493  
1494 -== 5.1 Access AT Command ==
1495 1495  
964 +The +3V3 output time can be controlled by AT Command.
1496 1496  
1497 -(((
1498 -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.
966 +**AT+3V3T=1000**
1499 1499  
1500 -
1501 -)))
968 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1502 1502  
1503 -(% 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" %)​
1504 1504  
971 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1505 1505  
1506 1506  
1507 -(((
1508 -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:
974 +1.
975 +11. +5V Output
1509 1509  
1510 -
1511 -)))
977 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1512 1512  
1513 -(% 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" %)​
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
1514 1514  
1515 1515  
1516 -(((
1517 -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/]]
1518 -)))
982 +The 5V output time can be controlled by AT Command.
1519 1519  
984 +**AT+5VT=1000**
1520 1520  
1521 -== 5.2 Common AT Command Sequence ==
986 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1522 1522  
1523 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1524 1524  
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.
1525 1525  
1526 -If device has not joined network yet:
1527 1527  
1528 -* (% style="color:#037691" %)**AT+FDR**
1529 -* (% style="color:#037691" %)**AT+NJM=0**
1530 -* (% style="color:#037691" %)**ATZ**
1531 1531  
1532 -(((
1533 -
1534 1534  
1535 -If device already joined network:
994 +1.
995 +11. LEDs
1536 1536  
1537 -* (% style="color:#037691" %)**AT+NJM=0**
1538 -* (% style="color:#037691" %)**ATZ**
1539 -)))
997 +|**LEDs**|**Feature**
998 +|**LED1**|Blink when device transmit a packet.
1540 1540  
1000 +1.
1001 +11. Switch Jumper
1541 1541  
1003 +|**Switch Jumper**|**Feature**
1004 +|**SW1**|(((
1005 +ISP position: Upgrade firmware via UART
1542 1542  
1543 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1544 -
1545 -
1546 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1547 -
1548 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1549 -
1550 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1551 -
1552 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1553 -
1554 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1555 -
1556 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1557 -
1558 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1559 -
1560 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1561 -
1562 -(% 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.
1563 -
1564 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1565 -
1566 -
1567 -(% style="color:red" %)**Note:**
1568 -
1569 -(((
1570 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1571 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1572 -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.
1573 -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
1574 -
1575 -
1007 +Flash position: Configure device, check running status.
1576 1576  )))
1009 +|**SW2**|(((
1010 +5V position: set to compatible with 5v I/O.
1577 1577  
1578 -(% 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" %)​
1579 -
1580 -
1581 -= 6. FAQ =
1582 -
1583 -== 6.1 How to upgrade the image? ==
1584 -
1585 -
1586 -(((
1587 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1012 +3.3v position: set to compatible with 3.3v I/O.,
1588 1588  )))
1589 1589  
1590 -* (((
1591 -Support new features
1592 -)))
1593 -* (((
1594 -For bug fix
1595 -)))
1596 -* (((
1597 -Change LoRaWAN bands.
1598 -)))
1015 ++3.3V: is always ON
1599 1599  
1600 -(((
1601 -Below shows the hardware connection for how to upload an image to RS485-LN:
1602 -)))
1017 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1603 1603  
1604 -(% 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"]]
1019 +1. Case Study
1605 1605  
1606 -(% title="Click and drag to resize" %)​
1021 +User can check this URL for some case studies.
1607 1607  
1608 -(((
1609 -(% 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]].
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]]
1610 1610  
1611 -
1612 -)))
1613 1613  
1614 -(((
1615 -(% 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]].
1616 1616  
1617 -
1618 -)))
1619 1619  
1620 -(((
1621 -(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1028 +1. Use AT Command
1029 +11. Access AT Command
1622 1622  
1623 -
1624 -)))
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.
1625 1625  
1626 -(((
1627 -(((
1628 -(((
1629 -(% 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.
1630 -)))
1631 -)))
1632 -)))
1033 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1633 1633  
1634 1634  
1635 -(% 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" %)​
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:
1636 1636  
1038 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1637 1637  
1638 -(% 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" %)​
1639 1639  
1640 1640  
1641 -(% 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" %)​
1042 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1642 1642  
1643 1643  
1644 1644  
1645 -(% 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):**
1046 +1.
1047 +11. Common AT Command Sequence
1048 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1646 1646  
1647 -[[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]]
1050 +If device has not joined network yet:
1648 1648  
1052 +AT+FDR
1649 1649  
1650 -(% 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:**
1054 +AT+NJM=0
1651 1651  
1652 -(% 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" %)​
1056 +ATZ
1653 1653  
1654 1654  
1655 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1059 +If device already joined network:
1656 1656  
1061 +AT+NJM=0
1657 1657  
1658 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1063 +ATZ
1659 1659  
1065 +1.
1066 +11.
1067 +111. Single-channel ABP mode (Use with LG01/LG02)
1660 1660  
1661 -== 6.3 How many RS485-Slave can RS485-LN connects? ==
1069 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1662 1662  
1071 +AT+NJM=0 Set to ABP mode
1663 1663  
1664 -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"]].
1073 +AT+ADR=0 Set the Adaptive Data Rate Off
1665 1665  
1075 +AT+DR=5  Set Data Rate
1666 1666  
1667 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1077 +AT+TDC=60000  Set transmit interval to 60 seconds
1668 1668  
1079 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1669 1669  
1670 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1081 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1671 1671  
1672 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1083 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1673 1673  
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.
1674 1674  
1675 -== 6.5 Can i use point to point communication for RS485-LN? ==
1087 +ATZ          Reset MCU
1676 1676  
1089 +**Note:**
1677 1677  
1678 -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]].
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
1679 1679  
1096 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1680 1680  
1681 -== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1682 1682  
1099 +1. FAQ
1100 +11. How to upgrade the image?
1683 1683  
1684 -[[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/]]
1102 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1685 1685  
1104 +* Support new features
1105 +* For bug fix
1106 +* Change LoRaWAN bands.
1686 1686  
1687 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1108 +Below shows the hardware connection for how to upload an image to RS485-BL:
1688 1688  
1689 -=== 6.7.1 Introduce: ===
1110 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1690 1690  
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]].
1691 1691  
1692 -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:
1114 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1693 1693  
1694 -1. Test if Modbus-MTU works with PC commands.
1695 -1. Check if RS485-LN sent the expected command to Mobus-MTU
1696 -1. Check if Modbus-MTU return back the expected result to RS485-LN.
1697 -1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1116 +**Step3: **Open flashloader; choose the correct COM port to update.
1698 1698  
1699 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1700 1700  
1119 +|(((
1120 +HOLD PRO then press the RST button, SYS will be ON, then click next
1121 +)))
1701 1701  
1702 -Example Connection:
1123 +|(((
1124 +Board detected
1125 +)))
1703 1703  
1704 -[[image:image-20221130104310-2.png]]
1127 +|(((
1128 +
1129 +)))
1705 1705  
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]]
1706 1706  
1707 -=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1708 1708  
1709 1709  
1710 -(% style="color:red" %)**Note: Receive and send set to hex mode**
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]]
1711 1711  
1712 -[[image:image-20221130104310-3.png||height="616" width="714"]]
1713 1713  
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]]
1714 1714  
1715 -=== 6.7.3 With ModRSsim2: ===
1716 1716  
1141 +1.
1142 +11. How to change the LoRa Frequency Bands/Region?
1717 1717  
1718 -(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
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.
1719 1719  
1720 -[[image:image-20221130104310-4.png||height="390" width="865"]]
1721 1721  
1722 1722  
1723 -(% style="color:blue" %)**(2) Click the serial port icon**
1148 +1.
1149 +11. How many RS485-Slave can RS485-BL connects?
1724 1724  
1725 -[[image:image-20221130104310-5.png||height="392" width="870"]]
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]].
1726 1726  
1727 1727  
1728 -(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1729 1729  
1730 -[[image:image-20221130104310-6.png]]
1731 1731  
1156 +1. Trouble Shooting     
1157 +11. Downlink doesn’t work, how to solve it?
1732 1732  
1733 -(% style="color:blue" %)**(4) Click the comms.**
1159 +Please see this link for debug:
1734 1734  
1735 -[[image:image-20221130104310-7.png||height="376" width="835"]]
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]] 
1736 1736  
1737 -(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1738 -**Run RS485-LN/BL command and monitor if it is correct.**
1739 1739  
1740 1740  
1741 -=== 6.7.4 Example – Test the CFGDEV command ===
1165 +1.
1166 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1742 1742  
1168 +It might about the channels mapping. Please see for detail.
1743 1743  
1744 -RS485-LN sent below command:
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]]
1745 1745  
1746 -(% 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.
1747 1747  
1748 1748  
1749 -We can see the output from the Serial port tool to analyze. And check if they are expected result.
1174 +1. Order Info
1750 1750  
1751 -[[image:image-20221130104310-8.png||height="214" width="797"]]
1176 +**Part Number: RS485-BL-XXX**
1752 1752  
1178 +**XXX:**
1753 1753  
1754 -We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
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
1755 1755  
1756 -[[image:image-20221130104310-9.png||height="531" width="729"]]
1191 +1. Packing Info
1757 1757  
1758 -
1759 -=== 6.7.5 Example – Test CMD command sets. ===
1760 -
1761 -
1762 -Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1763 -
1764 -
1765 -(% style="color:blue" %)**Serial port tool:**
1766 -
1767 -[[image:image-20221130104310-10.png||height="339" width="844"]]
1768 -
1769 -
1770 -(% style="color:blue" %)**ModRSsim2:**
1771 -
1772 -[[image:image-20221130104310-11.png||height="281" width="962"]]
1773 -
1774 -
1775 -=== 6.7.6 Test with PC ===
1776 -
1777 -
1778 -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.
1779 -
1780 -
1781 -Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1782 -
1783 -(% style="color:blue" %)**Connection method:**
1784 -
1785 -[[image:image-20221130104310-12.png]]
1786 -
1787 -
1788 -(% style="color:blue" %)**Link situation:**
1789 -
1790 -[[image:image-20221130104310-13.png||height="458" width="486"]]
1791 -
1792 -
1793 -[[image:image-20221130104310-14.png||height="371" width="823"]]
1794 -
1795 -
1796 -== 6.8 Where to get the decoder for RS485-LN? ==
1797 -
1798 -
1799 -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)
1800 -
1801 -
1802 -== 6.9 How to configure RS485 commands more conveniently? ==
1803 -
1804 -
1805 -Dragino has developed an application for the RS485 series of products.
1806 -
1807 -It can help you configure RS485 sensors more conveniently
1808 -Please refer to the link below for specific usage:
1809 -
1810 -[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
1811 -
1812 -
1813 -= 7. Trouble Shooting =
1814 -
1815 -== 7.1 Downlink doesn't work, how to solve it? ==
1816 -
1817 -
1818 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1819 -
1820 -
1821 -== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1822 -
1823 -
1824 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1825 -
1826 -
1827 -= 8. Order Info =
1828 -
1829 -
1830 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1831 -
1832 -(% style="color:blue" %)**XXX:**
1833 -
1834 -* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1835 -* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1836 -* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1837 -* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1838 -* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1839 -* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1840 -* (% style="color:red" %)**US915**(%%):  frequency bands US915
1841 -* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1842 -* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1843 -* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1844 -
1845 -= 9. Packing Info =
1846 -
1847 -
1848 1848  **Package Includes**:
1849 1849  
1850 -* RS485-LN x 1
1195 +* RS485-BL x 1
1851 1851  * Stick Antenna for LoRa RF part x 1
1852 1852  * Program cable x 1
1853 1853  
... ... @@ -1858,67 +1858,9 @@
1858 1858  * Package Size / pcs : 14.5 x 8 x 5 cm
1859 1859  * Weight / pcs : 170g
1860 1860  
1861 -= 10. FCC Caution for RS485LN-US915 =
1206 +1. Support
1862 1862  
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
1863 1863  
1864 -(((
1865 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1866 -)))
1867 -
1868 -(((
1869 -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.
1870 -)))
1871 -
1872 -(((
1873 -
1874 -)))
1875 -
1876 -(((
1877 -(% style="color:red" %)**IMPORTANT NOTE:**
1878 -)))
1879 -
1880 -(((
1881 -(% 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:
1882 -)))
1883 -
1884 -(((
1885 -—Reorient or relocate the receiving antenna.
1886 -)))
1887 -
1888 -(((
1889 -—Increase the separation between the equipment and receiver.
1890 -)))
1891 -
1892 -(((
1893 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1894 -)))
1895 -
1896 -(((
1897 -—Consult the dealer or an experienced radio/TV technician for help.
1898 -)))
1899 -
1900 -(((
1901 -
1902 -)))
1903 -
1904 -(((
1905 -(% style="color:red" %)**FCC Radiation Exposure Statement:**
1906 -)))
1907 -
1908 -(((
1909 -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.
1910 -)))
1911 -
1912 -
1913 -= 11. Support =
1914 -
1915 -
1916 -* (((
1917 -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.
1918 -)))
1919 -* (((
1920 -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]].
1921 -
1922 -
1923 -
1924 -)))
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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