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Last modified by Mengting Qiu on 2025/07/14 09:59
From version 109.1
edited by Saxer Lin
on 2023/12/14 09:34
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To version 34.1
edited by Xiaoling
on 2022/06/02 15:36
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Title
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1 -RS485-LN – RS485 to LoRaWAN Converter User Manual
1 +RS485-LN – RS485 to LoRaWAN Converter
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Saxer
1 +XWiki.Xiaoling
Content
... ... @@ -1,44 +1,28 @@
1 -(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
2 -(((
3 -(% data-widget="image" style="text-align:center" %)
4 -[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
1 +(% style="text-align:center" %)
2 +[[image:1653266934636-343.png||height="385" width="385"]]
5 5  
6 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
7 -)))
8 8  
9 9  
6 +**RS485-LN – RS485 to LoRaWAN Converter User Manual**
10 10  
11 11  
12 -
13 -
14 -
15 15  **Table of Contents:**
16 16  
17 -{{toc/}}
18 18  
19 19  
20 -(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
21 -(((
22 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
23 -)))
24 24  
25 25  
15 += 1.Introduction =
26 26  
27 -
28 -
29 -
30 -
31 -= 1. Introduction =
32 -
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 -
36 36  (((
20 +(((
37 37  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
38 38  )))
39 39  
40 40  (((
41 -RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
25 +RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
42 42  )))
43 43  
44 44  (((
... ... @@ -47,33 +47,31 @@
47 47  
48 48  (((
49 49  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
50 -)))
51 51  
52 -(((
53 53  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
54 54  )))
37 +)))
55 55  
39 +[[image:1653267211009-519.png||height="419" width="724"]]
56 56  
57 -(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
58 58  
59 -
60 60  == 1.2 Specifications ==
61 61  
62 62  
63 -(% style="color:#037691" %)**Hardware System:**
45 +**Hardware System:**
64 64  
65 -* STM32L072xxxx MCU
47 +* STM32L072CZT6 MCU
66 66  * SX1276/78 Wireless Chip 
67 67  * Power Consumption (exclude RS485 device):
68 68  ** Idle: 32mA@12v
69 69  ** 20dB Transmit: 65mA@12v
70 70  
71 -(% style="color:#037691" %)**Interface for Model:**
53 +**Interface for Model:**
72 72  
73 73  * RS485
74 74  * Power Input 7~~ 24V DC. 
75 75  
76 -(% style="color:#037691" %)**LoRa Spec:**
58 +**LoRa Spec:**
77 77  
78 78  * Frequency Range:
79 79  ** Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -92,13 +92,14 @@
92 92  * Preamble detection.
93 93  * 127 dB Dynamic Range RSSI.
94 94  * Automatic RF Sense and CAD with ultra-fast AFC.
95 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
96 96  
97 -== 1.3 Features ==
98 98  
99 99  
81 +== 1.3 Features ==
82 +
100 100  * LoRaWAN Class A & Class C protocol (default Class C)
101 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
84 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
102 102  * AT Commands to change parameters
103 103  * Remote configure parameters via LoRa Downlink
104 104  * Firmware upgradable via program port
... ... @@ -106,9 +106,10 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink (Since hardware version v1.2)
108 108  
109 -== 1.4 Applications ==
110 110  
111 111  
94 +== 1.4 Applications ==
95 +
112 112  * Smart Buildings & Home Automation
113 113  * Logistics and Supply Chain Management
114 114  * Smart Metering
... ... @@ -116,24 +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:
... ... @@ -186,21 +186,16 @@
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  (((
... ... @@ -208,136 +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 -
249 249  (((
250 -(% 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.
251 -
252 -
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.
253 253  )))
254 254  
255 -(% 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"]]
256 256  
257 257  
258 -== 3.3 Configure Device to Read RS485 Sensors ==
216 +== 3.3 Configure Commands to read data ==
259 259  
260 -
261 -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.
262 -
263 -
264 264  (((
265 265  (((
266 -(((
267 -(% 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.
268 268  )))
269 269  
270 -=== ===
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
271 271  
272 -=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
273 -
274 -Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
275 -
276 -* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
277 -
278 -[[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"]]
279 -
280 -=== ===
281 -
282 -=== 3.3.2  Method 2 ~-~- via AT Commands ===
226 +
283 283  )))
284 284  )))
285 285  
286 -==== 3.3.2.1 Configure UART settings for RS485 or TTL communication ====
230 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
287 287  
288 -RS485-LN can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
289 -
290 290  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:
291 291  
292 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
293 -|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 +|(% style="width:128px" %)(((
294 294  **AT Commands**
295 -)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
237 +)))|(% style="width:305px" %)(((
296 296  **Description**
297 -)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
239 +)))|(% style="width:346px" %)(((
298 298  **Example**
299 299  )))
300 -|(% style="width:126px" %)(((
301 -
302 -
303 -(((
242 +|(% style="width:128px" %)(((
304 304  AT+BAUDR
305 -)))
306 -)))|(% style="width:177px" %)(((
244 +)))|(% style="width:305px" %)(((
307 307  Set the baud rate (for RS485 connection). Default Value is: 9600.
308 -)))|(% style="width:193px" %)(((
246 +)))|(% style="width:346px" %)(((
309 309  (((
310 310  AT+BAUDR=9600
311 311  )))
312 312  
313 313  (((
314 -Options: (1200,2400,4800,
315 -14400,19200,115200)
252 +Options: (1200,2400,4800,14400,19200,115200)
316 316  )))
317 317  )))
318 -|(% style="width:126px" %)(((
255 +|(% style="width:128px" %)(((
319 319  AT+PARITY
320 -)))|(% style="width:177px" %)(((
257 +)))|(% style="width:305px" %)(((
321 321  Set UART parity (for RS485 connection)
322 -)))|(% style="width:193px" %)(((
259 +)))|(% style="width:346px" %)(((
323 323  (((
324 324  AT+PARITY=0
325 325  )))
326 326  
327 327  (((
328 -Option: 0: no parity,
329 -1: odd parity,
330 -2: even parity
265 +Option: 0: no parity, 1: odd parity, 2: even parity
331 331  )))
332 332  )))
333 -|(% style="width:126px" %)(((
268 +|(% style="width:128px" %)(((
334 334  AT+STOPBIT
335 -)))|(% style="width:177px" %)(((
270 +)))|(% style="width:305px" %)(((
336 336  (((
337 337  Set serial stopbit (for RS485 connection)
338 338  )))
339 -)))|(% style="width:193px" %)(((
274 +
340 340  (((
276 +
277 +)))
278 +)))|(% style="width:346px" %)(((
279 +(((
341 341  AT+STOPBIT=0 for 1bit
342 342  )))
343 343  
... ... @@ -350,1514 +350,910 @@
350 350  )))
351 351  )))
352 352  
353 -=== 3.3.3 Configure sensors ===
354 354  
355 355  
294 +=== 3.3.2 Configure sensors ===
295 +
356 356  (((
357 -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.
358 358  )))
300 +)))
359 359  
360 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
361 -|=(% 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**
362 -|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
363 -(((
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" %)(((
364 364  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
365 -)))
366 366  
367 -(((
368 368  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
369 -)))
370 370  
371 -(((
372 372  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
373 -)))
374 -)))|(% 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
375 375  
376 -=== 3.3.4 Configure read commands for each sampling ===
377 377  
378 378  
379 -(((
380 -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 ===
381 381  
382 -To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
383 -
384 -This section describes how to achieve above goals.
385 -
386 -During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
387 -
388 -
389 -(% style="color:#037691" %)**Each RS485 commands include two parts:**
390 -
391 -
392 -~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.
393 -
394 -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.
395 -
396 -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
397 -
398 -
399 -After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
400 -
401 -Below are examples for the how above AT Commands works.
402 -
403 -
404 -(% 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:
405 -
406 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
407 -|(% style="width:496px" %)(((
408 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
409 -
410 -**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
411 -
412 -**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
413 -)))
414 -
415 -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.
416 -
417 -In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
418 -
419 -
420 -If a single command exceeds 14 bytes, you can use the command splicing function.
421 -
422 -When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
423 -
424 -
425 -**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
426 -
427 - AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
428 -
429 - AT+COMMAND1=1
430 -
431 - AT+COMMAND2=0E 0F,0
432 -
433 -
434 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
435 -
436 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
437 -|(% style="width:510px" %)(((
438 -**AT+DATACUTx=a,b,c**
439 -
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.  **
443 -)))
444 -
445 -**Examples:**
446 -
447 -
448 -* (% style="color:#037691" %)**Grab bytes**
449 -
450 -(% 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" %)​
451 -
452 -
453 -
454 -* (% style="color:#037691" %)**Grab a section**
455 -
456 -(% 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" %)​
457 -
458 -
459 -
460 -* (% style="color:#037691" %)**Grab different sections**
461 -
462 -(% 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" %)​
463 -
464 -
465 -)))
466 -
467 -=== 3.3.5 Compose the uplink payload ===
468 -
469 -
470 470  (((
471 -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.**
472 -
473 -
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.
474 474  )))
475 475  
476 476  (((
477 -(% style="color:#037691" %)**Examples: AT+DATAUP=0**
478 -
479 -
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.
480 480  )))
481 481  
482 482  (((
483 -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.
484 484  )))
485 485  
486 486  (((
487 -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.
488 488  )))
489 489  
490 490  (((
491 -Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
492 -
493 -
333 +During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
494 494  )))
495 495  
496 -[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
497 -
498 -
499 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
500 -
501 -
502 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
503 -
504 -Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
505 -
506 -
507 -~1. PAYVER: Defined by AT+PAYVER
508 -
509 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
510 -
511 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
512 -
513 -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
514 -
515 -
516 -(% 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" %)​
517 -
518 -
519 -So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
520 -
521 -DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
522 -
523 -DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
524 -
525 -DATA3=the rest of Valid value of RETURN10= **30**
526 -
527 -
528 -(% 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:**
529 -
530 -
531 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
532 -
533 - * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
534 -
535 - * For US915 band, max 11 bytes for each uplink.
536 -
537 - ~* For all other bands: max 51 bytes for each uplink.
538 -
539 -
540 -(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
541 -
542 -(% 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)**
543 -
544 -
545 -
546 -Below are the uplink payloads:
547 -
548 -
549 -(% 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" %)​
550 -
551 -
552 -=== 3.3.6 Uplink on demand ===
553 -
554 -
555 -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.
556 -
557 -(% style="color:blue" %)**Downlink control command:**
558 -
559 -(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
560 -
561 -(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
562 -
563 -
564 -=== 3.3.7 Uplink on Interrupt ===
565 -
566 -
567 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
568 -
569 -
570 -(% 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" %)​
571 -
572 -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.
573 -
574 -
575 -== 3.4 Uplink Payload ==
576 -
577 -
578 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
579 -|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
580 -Size(bytes)
581 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
582 -**Length depends on the return from the commands**
583 -)))
584 -|=(% style="width: 90px;" %)(((
585 -Value
586 -)))|(% style="width:114px" %)(((
587 -PAYLOAD_VER
588 -)))|(% style="width:353px" %)(((
589 -If the valid payload is too long and exceed the maximum
590 -
591 -support payload length in server, server will show payload not
592 -
593 -provided in the LoRaWAN server.
594 -)))
595 -
596 -(% 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"]]
597 -
598 -(% title="Click and drag to resize" %)​
599 -
600 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
601 -
602 -
603 -== 3.5 Configure RS485-LN via AT or Downlink ==
604 -
605 -
606 606  (((
607 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
337 +**Command from RS485-BL to Sensor:**
608 608  )))
609 609  
610 610  (((
611 -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.
612 612  )))
613 613  
614 -* (((
615 -(% 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]]
616 -)))
617 -
618 -* (((
619 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
620 -)))
621 -
622 622  (((
623 -
345 +**Handle return from sensors to RS485-BL**:
624 624  )))
625 625  
626 -
627 -=== 3.5.1 Common Commands ===
628 -
629 -
630 -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]]
631 -
632 -
633 -=== 3.5.2 Downlink Response(Since firmware v1.4) ===
634 -
635 -
636 -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.
637 -
638 -
639 -(% 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"]]
640 -
641 -(% title="Click and drag to resize" %)​
642 -
643 -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)
644 -
645 -
646 -=== 3.5.3 Sensor related commands ===
647 -
648 -
649 -
650 -==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
651 -
652 -
653 653  (((
654 -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**
655 655  )))
656 656  
657 -(((
658 -* (% style="color:#037691" %)**AT Command**
659 -
660 -(((
661 -(% 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**
662 662  )))
663 -)))
664 664  
665 665  (((
666 -
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.
667 667  )))
668 668  
669 669  * (((
670 -(% style="color:#037691" %)**Downlink Payload**
361 +**AT+SEARCH**
671 671  )))
672 672  
673 673  (((
674 -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.
675 675  )))
676 676  
677 677  (((
678 -Where:
369 +**Define wait timeout:**
679 679  )))
680 680  
681 -* (((
682 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
683 -)))
684 -* (((
685 -NN: The length of RS485 command
686 -)))
687 -* (((
688 -XX XX XX XX: RS485 command total NN bytes
689 -)))
690 -* (((
691 691  (((
692 -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
693 693  )))
694 694  
695 -* (((
696 -if YY=0, RS485-LN will execute the downlink command without uplink;
697 -)))
698 -* (((
699 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
700 -)))
701 -* (((
702 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
703 -)))
704 -)))
705 -
706 706  (((
707 -
708 -
709 -(% 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**.
710 710  )))
711 711  
712 -(((
713 -To connect a Modbus Alarm with below commands.
714 -)))
380 +**Examples:**
715 715  
716 -* (((
717 -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.
718 -)))
382 +Below are examples for the how above AT Commands works.
719 719  
720 -* (((
721 -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.
722 -)))
384 +**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
723 723  
724 -(((
725 -
386 +(% border="1" class="table-bordered" %)
387 +|(((
388 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
726 726  
727 -So if user want to use downlink command to control to RS485 Alarm, he can use:
728 -)))
390 +**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
729 729  
730 -(((
731 -(% 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**
732 732  )))
733 733  
734 734  (((
735 -(% 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.
736 736  )))
737 737  
738 738  (((
739 -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.
740 740  )))
741 741  
742 742  (((
743 -
404 +**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
744 744  )))
745 745  
746 -(((
747 -(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
748 -)))
407 +(% border="1" class="table-bordered" %)
408 +|(((
409 +**AT+SEARCHx=aa,xx xx xx xx xx**
749 749  
750 -(((
751 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
752 -)))
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**
753 753  
754 -(((
755 755  
756 756  )))
757 757  
758 -(((
759 -(((
760 -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**
761 -)))
417 +**Examples:**
762 762  
763 -
764 -)))
419 +~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
765 765  
766 -(((
767 - (% 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" %)​
768 -)))
421 +If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
769 769  
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**
770 770  
425 +[[image:1653269403619-508.png]]
771 771  
772 -==== (% 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
773 773  
429 +If we set AT+SEARCH1=2, 1E 56 34+31 00 49
774 774  
775 -(((
776 -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.
777 -)))
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**
778 778  
779 -(((
780 -* (% style="color:#037691" %)**AT Command:**
433 +[[image:1653269438444-278.png]]
781 781  
782 -(% 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.
783 783  
784 -
785 -)))
437 +|(((
438 +**AT+DATACUTx=a,b,c**
786 786  
787 -* (((
788 -(% 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.  **
789 789  )))
790 790  
791 -(((
792 -(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
793 -)))
445 +Examples:
794 794  
795 -(((
796 -(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
797 -)))
447 +* Grab bytes:
798 798  
449 +[[image:1653269551753-223.png||height="311" width="717"]]
799 799  
800 -**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.
801 801  
453 +[[image:1653269568276-930.png||height="325" width="718"]]
802 802  
803 -[[image:image-20220824145428-2.png||height="168" width="1300"]]
455 +* Grab different sections.
804 804  
457 +[[image:1653269593172-426.png||height="303" width="725"]]
805 805  
459 +(% style="color:red" %)**Note:**
806 806  
807 -**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.
808 808  
463 +Example:
809 809  
810 -[[image:image-20220824145428-3.png||height="308" width="1200"]]
465 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
811 811  
467 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
812 812  
469 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
813 813  
814 -==== (% 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
815 815  
473 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
816 816  
817 -(((
818 -AT+COMMANDx or AT+DATACUTx
819 -)))
475 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
820 820  
821 -(((
822 -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"]].
823 -)))
477 +[[image:1653269618463-608.png]]
824 824  
825 -(((
826 -
827 -)))
479 +=== 3.3.4 Compose the uplink payload ===
828 828  
829 -* (((
830 -(% style="color:#037691" %)**AT Command:**
831 -)))
832 -
833 -(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
834 -
835 -(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
836 -
837 -
838 -* (((
839 -(% style="color:#037691" %)**Downlink Payload:**
840 -)))
841 -
842 842  (((
843 -(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
844 -
845 -
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.**
846 846  )))
847 847  
848 848  (((
849 -(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
850 -
851 -
486 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
852 852  )))
853 853  
854 854  (((
855 -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**.
856 856  )))
857 857  
858 858  (((
859 -Where:
494 +Final Payload is
860 860  )))
861 861  
862 -* (((
863 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
864 -)))
865 -* (((
866 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
867 -)))
868 -* (((
869 -LL:  The length of AT+COMMAND or AT+DATACUT command
870 -)))
871 -* (((
872 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
873 -)))
874 -* (((
875 -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.
876 -)))
877 -
878 878  (((
879 -
880 -
881 -**Example:**
498 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
882 882  )))
883 883  
884 884  (((
885 -(% 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.
886 886  )))
887 887  
888 -(((
889 -(% 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**
890 -)))
505 +[[image:1653269759169-150.png||height="513" width="716"]]
891 891  
892 -(((
893 -(% 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**
894 -)))
507 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
895 895  
509 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
896 896  
511 +Final Payload is
897 897  
898 -==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
513 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
899 899  
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
900 900  
901 -(((
902 -(% 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]].
903 -)))
521 +[[image:1653269916228-732.png||height="433" width="711"]]
904 904  
905 -(((
906 -This command is valid since v1.3 firmware version
907 -)))
908 908  
909 -(((
910 -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.
911 -)))
524 +So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
912 912  
913 -(((
914 -
915 -)))
526 +DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
916 916  
917 -(((
918 -**Example:**
919 -)))
528 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
920 920  
921 -* (((
922 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
923 -)))
924 -* (((
925 -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.
926 -)))
927 -* (((
928 -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
929 929  
930 -
931 -)))
532 +Below are the uplink payloads:
932 932  
933 -(% 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]]
934 934  
935 -(% title="Click and drag to resize" %)​
936 936  
937 -(% 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:**
938 938  
939 -* (((
940 -(% style="color:#037691" %)**Downlink Command:**
941 -)))
539 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
942 942  
943 -**~ (% 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).
944 944  
543 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
945 945  
946 -==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
545 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
947 947  
547 +=== 3.3.5 Uplink on demand ===
948 948  
949 -(((
950 -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.
951 -)))
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.
952 952  
953 -(((
954 -Default value: 0, range:  0 ~~ 65 seconds
955 -)))
551 +Downlink control command:
956 956  
957 -(((
958 -* (% style="color:#037691" %)** AT Command:**
553 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
959 959  
960 -(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
961 -)))
555 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
962 962  
963 -(((
964 -
965 965  
966 -**Example:**
967 -)))
968 968  
969 -(((
970 -(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
971 -)))
559 +1.
560 +11.
561 +111. Uplink on Interrupt
972 972  
973 -(((
974 -
975 -)))
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]]
976 976  
977 -* (((
978 -(% style="color:#037691" %)** Downlink Payload:**
979 -)))
565 +AT+INTMOD=0  Disable Interrupt
980 980  
981 -(((
982 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
983 -)))
567 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
984 984  
985 -(((
986 -
569 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
987 987  
988 -**Example:**
989 -)))
571 +AT+INTMOD=3  Interrupt trigger by rising edge.
990 990  
991 -(((
992 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
993 -)))
994 994  
574 +1.
575 +11. Uplink Payload
995 995  
577 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
578 +|Value|(((
579 +Battery(mV)
996 996  
997 -==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
581 +&
998 998  
583 +Interrupt _Flag
584 +)))|(((
585 +PAYLOAD_VER
999 999  
1000 -(((
1001 -Define to use one uplink or multiple uplinks for the sampling.
1002 -)))
1003 -
1004 -(((
1005 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1006 -
1007 1007  
1008 -)))
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.
1009 1009  
1010 -(((
1011 -* (% 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.
1012 1012  
1013 -(% style="color:#4472c4" %)** AT+DATAUP=0**
1014 1014  
1015 -(% style="color:#4472c4" %)** AT+DATAUP=1**
593 +function Decoder(bytes, port) {
1016 1016  
1017 -
1018 -)))
595 +~/~/Payload Formats of RS485-BL Deceive
1019 1019  
1020 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
597 +return {
1021 1021  
1022 -Each uplink is sent to the server at 20-second intervals when segmented.
599 + ~/~/Battery,units:V
1023 1023  
601 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
1024 1024  
1025 -* (((
1026 -(% style="color:#037691" %)** Downlink Payload:**
1027 -)))
603 + ~/~/GPIO_EXTI 
1028 1028  
1029 -(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
605 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
1030 1030  
1031 -(% 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
1032 1032  
609 + Pay_ver:bytes[2],
1033 1033  
1034 -(Since firmware v1.4.0)
611 + };
1035 1035  
1036 -* (((
1037 -(% style="color:#037691" %)** AT Command:**
1038 -)))
613 + }
1039 1039  
1040 -(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
1041 1041  
1042 1042  
1043 -* (((
1044 -(% style="color:#037691" %)** Downlink Payload:**
1045 -)))
1046 1046  
1047 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
1048 1048  
1049 -Each uplink is sent to the server at 20-second intervals when segmented.
1050 1050  
1051 1051  
1052 -==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
621 +TTN V3 uplink screen shot.
1053 1053  
623 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1054 1054  
1055 -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
1056 1056  
1057 -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
1058 1058  
1059 -When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
630 +There are two kinds of Commands:
1060 1060  
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
1061 1061  
1062 -* (((
1063 -(% style="color:#037691" %)** AT Command:**
1064 -)))
634 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
1065 1065  
1066 -(% 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:
1067 1067  
1068 -(% 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]]
1069 1069  
1070 1070  
1071 -(% 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:
1072 1072  
647 +==== Choose Device Type (RS485 or TTL) ====
1073 1073  
1074 -(% 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.
1075 1075  
651 +* AT Command
1076 1076  
1077 -* (((
1078 -(% style="color:#037691" %)** Downlink Payload:**
1079 -)))
653 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
1080 1080  
1081 -//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.
1082 1082  
1083 -// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
1084 1084  
1085 -//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
658 +* Downlink Payload
1086 1086  
1087 -//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
660 +**0A aa**     à same as AT+MOD=aa
1088 1088  
1089 1089  
1090 -==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1091 1091  
664 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
1092 1092  
1093 -(((
1094 -Ask device to send an uplink immediately.
1095 -)))
666 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
1096 1096  
1097 -* (((
1098 -(% style="color:#037691" %)** AT Command:**
1099 -)))
668 +* AT Command
1100 1100  
1101 -(((
1102 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1103 -)))
670 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
1104 1104  
1105 -(((
1106 -
1107 -)))
672 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
1108 1108  
1109 -* (((
1110 -(% style="color:#037691" %)** Downlink Payload:**
1111 -)))
1112 1112  
1113 -(((
1114 -(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1115 -)))
1116 1116  
676 +* Downlink Payload
1117 1117  
678 +Format: A8 MM NN XX XX XX XX YY
1118 1118  
1119 -==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
680 +Where:
1120 1120  
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
1121 1121  
1122 -(((
1123 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
687 +**Example 1:**
1124 1124  
1125 -
1126 -)))
689 +To connect a Modbus Alarm with below commands.
1127 1127  
1128 -* (((
1129 -(% style="color:#037691" %)** AT Command:**
1130 -)))
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.
1131 1131  
1132 -(((
1133 -(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1134 -)))
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.
1135 1135  
1136 -(((
1137 -
695 +So if user want to use downlink command to control to RS485 Alarm, he can use:
1138 1138  
1139 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1140 -)))
697 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
1141 1141  
1142 -(((
1143 -Example screen shot after clear all RS485 commands. 
1144 -)))
699 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
1145 1145  
1146 -(((
1147 -
1148 -)))
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.
1149 1149  
1150 -(((
1151 -The uplink screen shot is:
1152 -)))
1153 1153  
1154 -(% 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:**
1155 1155  
706 +Check TTL Sensor return:
1156 1156  
1157 -* (((
1158 -(% style="color:#037691" %)** Downlink Payload:**
1159 -)))
708 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1160 1160  
1161 -(((
1162 -(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1163 -)))
1164 1164  
1165 1165  
1166 1166  
1167 -==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
713 +==== Set Payload version ====
1168 1168  
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.
1169 1169  
1170 -(((
1171 -Set the Rs485 serial communication parameters:
1172 -)))
717 +* AT Command:
1173 1173  
1174 -(((
1175 -(% style="color:#037691" %)**AT Command:**
1176 -)))
719 +AT+PAYVER: Set PAYVER field = 1
1177 1177  
1178 -(((
1179 -* Set Baud Rate
1180 -)))
1181 1181  
1182 -(% 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:
1183 1183  
724 +0xAE 01   à Set PAYVER field =  0x01
1184 1184  
1185 -(((
1186 -* Set UART Parity
1187 -)))
726 +0xAE 0F   à Set PAYVER field =  0x0F
1188 1188  
1189 -(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
1190 1190  
729 +==== Set RS485 Sampling Commands ====
1191 1191  
1192 -(((
1193 -* Set STOPBIT
1194 -)))
731 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1195 1195  
1196 -(% 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]].
1197 1197  
1198 1198  
1199 -(((
1200 -(% style="color:#037691" %)**Downlink Payload:**
1201 -)))
736 +* AT Command:
1202 1202  
1203 -(((
1204 -(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1205 -)))
738 +AT+COMMANDx: Configure RS485 read command to sensor.
1206 1206  
1207 -(((
1208 -**Example:**
1209 -)))
740 +AT+DATACUTx: Configure how to handle return from RS485 devices.
1210 1210  
1211 -* (((
1212 -A7 01 00 60  same as AT+BAUDR=9600
1213 -)))
1214 -* (((
1215 -A7 01 04 80  same as AT+BAUDR=115200
1216 -)))
742 +AT+SEARCHx: Configure search command
1217 1217  
1218 -(((
1219 -* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1220 -)))
1221 1221  
1222 -(((
1223 -* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1224 -)))
745 +* Downlink Payload:
1225 1225  
747 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1226 1226  
749 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1227 1227  
751 +Format: AF MM NN LL XX XX XX XX YY
1228 1228  
1229 -==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
753 +Where:
1230 1230  
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.
1231 1231  
1232 -* (((
1233 -(% style="color:#037691" %)** AT Command:**
1234 -)))
761 +Example:
1235 1235  
1236 -(% 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
1237 1237  
1238 -(% 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**
1239 1239  
1240 -* (((
1241 -(% style="color:#037691" %)**Downlink Payload:**
1242 -)))
767 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
1243 1243  
1244 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1245 1245  
1246 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
770 +0xAB downlink command can be used for set AT+SEARCHx
1247 1247  
772 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1248 1248  
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
1249 1249  
1250 -==== (% 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**
1251 1251  
1252 -(((
1253 -
1254 -)))
1255 1255  
1256 -* (((
1257 -(% style="color:#037691" %)** AT Command:**
1258 -)))
780 +==== Fast command to handle MODBUS device ====
1259 1259  
1260 -(% 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]].
1261 1261  
1262 -(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
784 +This command is valid since v1.3 firmware version
1263 1263  
1264 1264  
787 +AT+MBFUN has only two value:
1265 1265  
1266 -==== (% 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
1267 1267  
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.
1268 1268  
1269 -* (((
1270 -(% style="color:#037691" %)** AT Command:**
1271 -)))
793 +* AT+MBFUN=0: Disable Modbus fast reading.
1272 1272  
1273 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
795 +Example:
1274 1274  
1275 -(% 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.
1276 1276  
801 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
1277 1277  
1278 1278  
1279 -==== (% 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]]
1280 1280  
1281 1281  
1282 -* (((
1283 -(% style="color:#037691" %)** AT Command:**
1284 -)))
807 +* Downlink Commands:
1285 1285  
1286 -(% 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 -à Same as AT+MBFUN=aa
1287 1287  
1288 -(% 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.
1289 1289  
812 +==== RS485 command timeout ====
1290 1290  
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.
1291 1291  
1292 -==== (% 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
1293 1293  
1294 1294  
1295 -* (((
1296 -(% style="color:#037691" %)** AT Command:**
1297 -)))
819 +* AT Command:
1298 1298  
1299 - (% 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)
1300 1300  
1301 - (% 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:
1302 1302  
825 +**AT+CMDDL1=1000** to send the open time to 1000ms
1303 1303  
1304 -* (((
1305 -(% style="color:#037691" %)** Downlink Payload:**
1306 -)))
1307 1307  
1308 -(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
828 +* Downlink Payload:
1309 1309  
830 +0x AA aa bb cc
1310 1310  
832 +Same as: AT+CMDDLaa=hex(bb cc)
1311 1311  
1312 -==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
834 + Example:
1313 1313  
836 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
1314 1314  
1315 -* (((
1316 -(% style="color:#037691" %)** AT Command:**
1317 -)))
1318 1318  
1319 -(% 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 ====
1320 1320  
1321 -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.
1322 1322  
843 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
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-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
845 +* AT Command:
1325 1325  
1326 -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
1327 1327  
849 +AT+DATAUP=1
1328 1328  
1329 1329  
1330 -[[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:
1331 1331  
1332 -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
1333 1333  
856 +0xAD 01   à Same as AT+DATAUP=1
1334 1334  
1335 1335  
1336 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
859 +==== Manually trigger an Uplink ====
1337 1337  
861 +Ask device to send an uplink immediately.
1338 1338  
1339 -(((
1340 -* (% style="color:#037691" %)**Downlink Payload:**
863 +* Downlink Payload:
1341 1341  
1342 -(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1343 -)))
865 +0x08 FF, RS485-BL will immediately send an uplink.
1344 1344  
1345 1345  
1346 -Example：
868 +==== Clear RS485 Command ====
1347 1347  
870 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1348 1348  
1349 -[[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"]]
1350 1350  
873 +* AT Command:
1351 1351  
875 +**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1352 1352  
1353 -==== (% 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
1354 1354  
879 +Example screen shot after clear all RS485 commands. 
1355 1355  
1356 -* (((
1357 -(% style="color:#037691" %)** AT Command:**
1358 -)))
1359 1359  
1360 -(% 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.
1361 1361  
1362 -(% 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:
1363 1363  
1364 -(% 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]]
1365 1365  
1366 1366  
1367 -* (((
1368 -(% style="color:#037691" %)**Downlink Payload:**
1369 -)))
888 +* Downlink Payload:
1370 1370  
1371 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
890 +0x09 aa bb same as AT+CMDEAR=aa,bb
1372 1372  
1373 -[[image:image-20220824144240-1.png]]
1374 1374  
893 +==== Set Serial Communication Parameters ====
1375 1375  
1376 -== 3.6 Listening mode for RS485 network ==
895 +Set the Rs485 serial communication parameters:
1377 1377  
897 +* AT Command:
1378 1378  
1379 -(((
1380 -This feature support since firmware v1.4
1381 -)))
899 +Set Baud Rate:
1382 1382  
1383 -(((
1384 -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)
1385 1385  
1386 -
1387 -)))
1388 1388  
1389 -(% 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
1390 1390  
1391 -(% title="Click and drag to resize" %)​
906 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1392 1392  
1393 -(((
1394 -To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1395 -)))
1396 1396  
909 +Set STOPBIT
1397 1397  
911 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1398 1398  
1399 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1400 -|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1401 -**Command example**
1402 -)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1403 -**Function**
1404 -)))
1405 -|(% style="width:156px" %)(((
1406 -AT+RXMODE=1,10
1407 -)))|(% style="width:352px" %)(((
1408 -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.
1409 -)))
1410 -|(% style="width:156px" %)(((
1411 -AT+RXMODE=2,500
1412 -)))|(% style="width:352px" %)(((
1413 -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
1414 -)))
1415 -|(% style="width:156px" %)(((
1416 -AT+RXMODE=0,0
1417 -)))|(% style="width:352px" %)(((
1418 -Disable listening mode. This is the default settings.
1419 -)))
1420 -|(% style="width:156px" %)(((
1421 -
1422 -)))|(% style="width:352px" %)(((
1423 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1424 -)))
1425 1425  
1426 -(((
1427 -
914 +* Downlink Payload:
1428 1428  
1429 -(% style="color:#037691" %)**Downlink Command:**
1430 -)))
916 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1431 1431  
1432 -(((
1433 -(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1434 -)))
918 +Example:
1435 1435  
1436 -(((
1437 -
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 -**Example**:
1442 -)))
923 +A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1443 1443  
1444 -(((
1445 -The RS485-LN is set to AT+RXMODE=2,1000
1446 -)))
925 +A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1447 1447  
1448 -(((
1449 -There is a two Modbus commands in the RS485 network as below:
1450 -)))
1451 1451  
1452 -(((
1453 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1454 -)))
928 +==== Control output power duration ====
1455 1455  
1456 -(((
1457 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1458 -)))
930 +User can set the output power duration before each sampling.
1459 1459  
1460 -(((
1461 -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**
932 +* AT Command:
1462 1462  
1463 -
1464 -)))
934 +Example:
1465 1465  
1466 -(((
1467 -(% 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" %)​
1468 -)))
936 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1469 1469  
938 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1470 1470  
1471 1471  
1472 -(((
1473 -(% 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.**
1474 -)))
941 +* LoRaWAN Downlink Command:
1475 1475  
943 +07 01 aa bb  Same as AT+5VT=(aa bb)
1476 1476  
1477 -== 3.7 Buttons ==
945 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1478 1478  
1479 1479  
1480 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1481 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1482 -|(% 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**
1483 -|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1484 -|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1485 1485  
1486 -== 3.8 LEDs ==
1487 1487  
950 +1.
951 +11. Buttons
1488 1488  
1489 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1490 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1491 -|PWR|Always on if there is power
1492 -|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.
953 +|**Button**|**Feature**
954 +|**RST**|Reboot RS485-BL
1493 1493  
1494 -= 4. Case Study =
956 +1.
957 +11. +3V3 Output
1495 1495  
959 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1496 1496  
1497 -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]]
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. 
1498 1498  
1499 1499  
1500 -= 5. Use AT Command =
964 +The +3V3 output time can be controlled by AT Command.
1501 1501  
1502 -== 5.1 Access AT Command ==
966 +**AT+3V3T=1000**
1503 1503  
968 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1504 1504  
1505 -(((
1506 -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.
1507 1507  
1508 -
1509 -)))
971 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1510 1510  
1511 -(% 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" %)​
1512 1512  
974 +1.
975 +11. +5V Output
1513 1513  
977 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1514 1514  
1515 -(((
1516 -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:
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. 
1517 1517  
1518 -
1519 -)))
1520 1520  
1521 -(% 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" %)​
982 +The 5V output time can be controlled by AT Command.
1522 1522  
984 +**AT+5VT=1000**
1523 1523  
1524 -(((
1525 -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/]]
1526 -)))
986 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1527 1527  
1528 1528  
1529 -== 5.2 Common AT Command Sequence ==
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.
1530 1530  
1531 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1532 1532  
1533 1533  
1534 -If device has not joined network yet:
1535 1535  
1536 -* (% style="color:#037691" %)**AT+FDR**
1537 -* (% style="color:#037691" %)**AT+NJM=0**
1538 -* (% style="color:#037691" %)**ATZ**
994 +1.
995 +11. LEDs
1539 1539  
1540 -(((
1541 -
997 +|**LEDs**|**Feature**
998 +|**LED1**|Blink when device transmit a packet.
1542 1542  
1543 -If device already joined network:
1000 +1.
1001 +11. Switch Jumper
1544 1544  
1545 -* (% style="color:#037691" %)**AT+NJM=0**
1546 -* (% style="color:#037691" %)**ATZ**
1547 -)))
1003 +|**Switch Jumper**|**Feature**
1004 +|**SW1**|(((
1005 +ISP position: Upgrade firmware via UART
1548 1548  
1549 -
1550 -
1551 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1552 -
1553 -
1554 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1555 -
1556 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1557 -
1558 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1559 -
1560 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1561 -
1562 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1563 -
1564 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1565 -
1566 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1567 -
1568 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1569 -
1570 -(% 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.
1571 -
1572 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1573 -
1574 -
1575 -(% style="color:red" %)**Note:**
1576 -
1577 -(((
1578 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1579 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1580 -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.
1581 -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
1582 -
1583 -
1007 +Flash position: Configure device, check running status.
1584 1584  )))
1009 +|**SW2**|(((
1010 +5V position: set to compatible with 5v I/O.
1585 1585  
1586 -(% 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" %)​
1587 -
1588 -
1589 -= 6. FAQ =
1590 -
1591 -== 6.1 How to upgrade the image? ==
1592 -
1593 -
1594 -(((
1595 -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.,
1596 1596  )))
1597 1597  
1598 -* (((
1599 -Support new features
1600 -)))
1601 -* (((
1602 -For bug fix
1603 -)))
1604 -* (((
1605 -Change LoRaWAN bands.
1606 -)))
1015 ++3.3V: is always ON
1607 1607  
1608 -(((
1609 -Below shows the hardware connection for how to upload an image to RS485-LN:
1610 -)))
1017 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1611 1611  
1612 -(% 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
1613 1613  
1614 -(% title="Click and drag to resize" %)​
1021 +User can check this URL for some case studies.
1615 1615  
1616 -(((
1617 -(% 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]]
1618 1618  
1619 -
1620 -)))
1621 1621  
1622 -(((
1623 -(% 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]].
1624 1624  
1625 -
1626 -)))
1627 1627  
1628 -(((
1629 -(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1028 +1. Use AT Command
1029 +11. Access AT Command
1630 1630  
1631 -
1632 -)))
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.
1633 1633  
1634 -(((
1635 -(((
1636 -(((
1637 -(% 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.
1638 -)))
1639 -)))
1640 -)))
1033 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1641 1641  
1642 1642  
1643 -(% 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:
1644 1644  
1038 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1645 1645  
1646 -(% 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" %)​
1647 1647  
1648 1648  
1649 -(% 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]]
1650 1650  
1651 1651  
1652 1652  
1653 -(% 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)
1654 1654  
1655 -[[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:
1656 1656  
1052 +AT+FDR
1657 1657  
1054 +AT+NJM=0
1658 1658  
1659 -(% 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:**
1056 +ATZ
1660 1660  
1661 -(% 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" %)​
1662 1662  
1059 +If device already joined network:
1663 1663  
1664 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1061 +AT+NJM=0
1665 1665  
1063 +ATZ
1666 1666  
1667 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1065 +1.
1066 +11.
1067 +111. Single-channel ABP mode (Use with LG01/LG02)
1668 1668  
1069 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1669 1669  
1670 -== 6.3 How many RS485-Slave can RS485-LN connects? ==
1071 +AT+NJM=0 Set to ABP mode
1671 1671  
1073 +AT+ADR=0 Set the Adaptive Data Rate Off
1672 1672  
1673 -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"]].
1075 +AT+DR=5  Set Data Rate
1674 1674  
1077 +AT+TDC=60000  Set transmit interval to 60 seconds
1675 1675  
1676 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1079 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1677 1677  
1081 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1678 1678  
1679 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1083 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1680 1680  
1681 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
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.
1682 1682  
1087 +ATZ          Reset MCU
1683 1683  
1684 -== 6.5 Can i use point to point communication for RS485-LN? ==
1089 +**Note:**
1685 1685  
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
1686 1686  
1687 -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]].
1096 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1688 1688  
1689 1689  
1690 -== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1099 +1. FAQ
1100 +11. How to upgrade the image?
1691 1691  
1102 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1692 1692  
1693 -[[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/]]
1104 +* Support new features
1105 +* For bug fix
1106 +* Change LoRaWAN bands.
1694 1694  
1108 +Below shows the hardware connection for how to upload an image to RS485-BL:
1695 1695  
1696 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1110 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1697 1697  
1698 -=== 6.7.1 Introduce: ===
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]].
1699 1699  
1114 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1700 1700  
1701 -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:
1116 +**Step3: **Open flashloader; choose the correct COM port to update.
1702 1702  
1703 -1. Test if Modbus-MTU works with PC commands.
1704 -1. Check if RS485-LN sent the expected command to Mobus-MTU
1705 -1. Check if Modbus-MTU return back the expected result to RS485-LN.
1706 -1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1707 1707  
1708 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1119 +|(((
1120 +HOLD PRO then press the RST button, SYS will be ON, then click next
1121 +)))
1709 1709  
1123 +|(((
1124 +Board detected
1125 +)))
1710 1710  
1711 -Example Connection:
1127 +|(((
1128 +
1129 +)))
1712 1712  
1713 -[[image:image-20221130104310-2.png]]
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]]
1714 1714  
1715 1715  
1716 -=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1717 1717  
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]]
1718 1718  
1719 -(% style="color:red" %)**Note: Receive and send set to hex mode**
1720 1720  
1721 -[[image:image-20221130104310-3.png||height="616" width="714"]]
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]]
1722 1722  
1723 1723  
1724 -=== 6.7.3 With ModRSsim2: ===
1141 +1.
1142 +11. How to change the LoRa Frequency Bands/Region?
1725 1725  
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.
1726 1726  
1727 -(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1728 1728  
1729 -[[image:image-20221130104310-4.png||height="390" width="865"]]
1730 1730  
1148 +1.
1149 +11. How many RS485-Slave can RS485-BL connects?
1731 1731  
1732 -(% style="color:blue" %)**(2) Click the serial port icon**
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]].
1733 1733  
1734 -[[image:image-20221130104310-5.png||height="392" width="870"]]
1735 1735  
1736 1736  
1737 -(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1738 1738  
1739 -[[image:image-20221130104310-6.png]]
1156 +1. Trouble Shooting     
1157 +11. Downlink doesn’t work, how to solve it?
1740 1740  
1159 +Please see this link for debug:
1741 1741  
1742 -(% style="color:blue" %)**(4) Click the comms.**
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]] 
1743 1743  
1744 -[[image:image-20221130104310-7.png||height="376" width="835"]]
1745 1745  
1746 -(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1747 -**Run RS485-LN/BL command and monitor if it is correct.**
1748 1748  
1165 +1.
1166 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1749 1749  
1750 -=== 6.7.4 Example – Test the CFGDEV command ===
1168 +It might about the channels mapping. Please see for detail.
1751 1751  
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]]
1752 1752  
1753 -RS485-LN sent below command:
1754 1754  
1755 -(% 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.
1756 1756  
1174 +1. Order Info
1757 1757  
1758 -We can see the output from the Serial port tool to analyze. And check if they are expected result.
1176 +**Part Number: RS485-BL-XXX**
1759 1759  
1760 -[[image:image-20221130104310-8.png||height="214" width="797"]]
1178 +**XXX:**
1761 1761  
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
1762 1762  
1763 -We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1191 +1. Packing Info
1764 1764  
1765 -[[image:image-20221130104310-9.png||height="531" width="729"]]
1766 -
1767 -
1768 -=== 6.7.5 Example – Test CMD command sets. ===
1769 -
1770 -
1771 -Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1772 -
1773 -
1774 -(% style="color:blue" %)**Serial port tool:**
1775 -
1776 -[[image:image-20221130104310-10.png||height="339" width="844"]]
1777 -
1778 -
1779 -(% style="color:blue" %)**ModRSsim2:**
1780 -
1781 -[[image:image-20221130104310-11.png||height="281" width="962"]]
1782 -
1783 -
1784 -=== 6.7.6 Test with PC ===
1785 -
1786 -
1787 -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.
1788 -
1789 -
1790 -Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1791 -
1792 -(% style="color:blue" %)**Connection method：**
1793 -
1794 -[[image:image-20221130104310-12.png]]
1795 -
1796 -
1797 -(% style="color:blue" %)**Link situation:**
1798 -
1799 -[[image:image-20221130104310-13.png||height="458" width="486"]]
1800 -
1801 -
1802 -[[image:image-20221130104310-14.png||height="371" width="823"]]
1803 -
1804 -
1805 -== 6.8 Where to get the decoder for RS485-LN? ==
1806 -
1807 -
1808 -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)
1809 -
1810 -
1811 -== 6.9 How to configure RS485 commands more conveniently？ ==
1812 -
1813 -
1814 -Dragino has developed an application for the RS485 series of products.
1815 -
1816 -It can help you configure RS485 sensors more conveniently
1817 -Please refer to the link below for specific usage：
1818 -
1819 -[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
1820 -
1821 -
1822 -
1823 -= 7. Trouble Shooting =
1824 -
1825 -== 7.1 Downlink doesn't work, how to solve it? ==
1826 -
1827 -
1828 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1829 -
1830 -
1831 -== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1832 -
1833 -
1834 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1835 -
1836 -
1837 -= 8. Order Info =
1838 -
1839 -
1840 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1841 -
1842 -(% style="color:blue" %)**XXX:**
1843 -
1844 -* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1845 -* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1846 -* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1847 -* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1848 -* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1849 -* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1850 -* (% style="color:red" %)**US915**(%%):  frequency bands US915
1851 -* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1852 -* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1853 -* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1854 -
1855 -= 9. Packing Info =
1856 -
1857 -
1858 1858  **Package Includes**:
1859 1859  
1860 -* RS485-LN x 1
1195 +* RS485-BL x 1
1861 1861  * Stick Antenna for LoRa RF part x 1
1862 1862  * Program cable x 1
1863 1863  
... ... @@ -1868,67 +1868,9 @@
1868 1868  * Package Size / pcs : 14.5 x 8 x 5 cm
1869 1869  * Weight / pcs : 170g
1870 1870  
1871 -= 10. FCC Caution for RS485LN-US915 =
1206 +1. Support
1872 1872  
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
1873 1873  
1874 -(((
1875 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1876 -)))
1877 -
1878 -(((
1879 -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.
1880 -)))
1881 -
1882 -(((
1883 -
1884 -)))
1885 -
1886 -(((
1887 -(% style="color:red" %)**IMPORTANT NOTE:**
1888 -)))
1889 -
1890 -(((
1891 -(% 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:
1892 -)))
1893 -
1894 -(((
1895 -—Reorient or relocate the receiving antenna.
1896 -)))
1897 -
1898 -(((
1899 -—Increase the separation between the equipment and receiver.
1900 -)))
1901 -
1902 -(((
1903 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1904 -)))
1905 -
1906 -(((
1907 -—Consult the dealer or an experienced radio/TV technician for help.
1908 -)))
1909 -
1910 -(((
1911 -
1912 -)))
1913 -
1914 -(((
1915 -(% style="color:red" %)**FCC Radiation Exposure Statement:**
1916 -)))
1917 -
1918 -(((
1919 -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.
1920 -)))
1921 -
1922 -
1923 -= 11. Support =
1924 -
1925 -
1926 -* (((
1927 -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.
1928 -)))
1929 -* (((
1930 -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]].
1931 -
1932 -
1933 -
1934 -)))
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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