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Last modified by Mengting Qiu on 2025/07/14 09:59
From version 67.2
edited by Xiaoling
on 2022/07/29 08:38
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To version 40.1
edited by Xiaoling
on 2022/06/02 16:33
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1 -RS485-LN – RS485 to LoRaWAN Converter User Manual
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
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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 -
16 -
17 -
18 -
19 -
20 20  **Table of Contents:**
21 21  
22 -{{toc/}}
23 23  
24 24  
25 -(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
26 -(((
27 -(% 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"]]
28 -)))
29 29  
30 30  
31 -
32 -
33 -
34 -
35 -
36 36  = 1.Introduction =
37 37  
38 38  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -39,39 +39,25 @@
39 39  
40 40  (((
41 41  (((
42 -(((
43 -
44 -
45 45  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.
46 46  )))
47 -)))
48 48  
49 49  (((
50 -(((
51 51  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.
52 52  )))
53 -)))
54 54  
55 55  (((
56 -(((
57 57  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
58 58  )))
59 -)))
60 60  
61 61  (((
62 -(((
63 63  (% 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.
64 -)))
65 65  
66 -(((
67 67  (% 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]]
68 -
69 -
70 70  )))
71 71  )))
72 -)))
73 73  
74 -(% 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" %)​
39 +[[image:1653267211009-519.png||height="419" width="724"]]
75 75  
76 76  
77 77  == 1.2 Specifications ==
... ... @@ -109,14 +109,10 @@
109 109  * Preamble detection.
110 110  * 127 dB Dynamic Range RSSI.
111 111  * Automatic RF Sense and CAD with ultra-fast AFC.
112 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
113 113  
114 -
115 -
116 -
117 117  == 1.3 Features ==
118 118  
119 -
120 120  * LoRaWAN Class A & Class C protocol (default Class C)
121 121  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
122 122  * AT Commands to change parameters
... ... @@ -126,12 +126,8 @@
126 126  * Support Modbus protocol
127 127  * Support Interrupt uplink (Since hardware version v1.2)
128 128  
129 -
130 -
131 -
132 132  == 1.4 Applications ==
133 133  
134 -
135 135  * Smart Buildings & Home Automation
136 136  * Logistics and Supply Chain Management
137 137  * Smart Metering
... ... @@ -139,30 +139,19 @@
139 139  * Smart Cities
140 140  * Smart Factory
141 141  
142 -
143 -
144 -
145 145  == 1.5 Firmware Change log ==
146 146  
147 -
148 148  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
149 149  
150 150  
151 -
152 152  == 1.6 Hardware Change log ==
153 153  
154 -
155 155  (((
156 156  (((
157 -(((
158 158  v1.2: Add External Interrupt Pin.
159 -)))
160 160  
161 -(((
162 162  v1.0: Release
163 -)))
164 164  
165 -
166 166  
167 167  )))
168 168  )))
... ... @@ -169,7 +169,6 @@
169 169  
170 170  = 2. Power ON Device =
171 171  
172 -
173 173  (((
174 174  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
175 175  
... ... @@ -180,9 +180,8 @@
180 180  Once there is power, the RS485-LN will be on.
181 181  )))
182 182  
183 -(% 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" %)​
128 +[[image:1653268091319-405.png]]
184 184  
185 -
186 186  
187 187  )))
188 188  
... ... @@ -190,22 +190,17 @@
190 190  
191 191  == 3.1 How it works? ==
192 192  
193 -
194 194  (((
195 -(((
196 196  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.
197 -)))
198 198  
199 -
200 200  
201 201  )))
202 202  
203 203  == 3.2 Example to join LoRaWAN network ==
204 204  
205 -
206 206  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. 
207 207  
208 -(% 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" %)​
147 +[[image:1653268155545-638.png||height="334" width="724"]]
209 209  
210 210  
211 211  (((
... ... @@ -217,15 +217,14 @@
217 217  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
218 218  )))
219 219  
220 -(% 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" %)​
159 +[[image:1653268227651-549.png||height="592" width="720"]]
221 221  
222 -
223 223  (((
224 -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:
162 +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:
225 225  )))
226 226  
227 227  (((
228 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
166 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
229 229  )))
230 230  
231 231  (((
... ... @@ -233,9 +233,8 @@
233 233  )))
234 234  )))
235 235  
236 -(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.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" %)​
174 +[[image:1652953462722-299.png]]
237 237  
238 -
239 239  (((
240 240  (((
241 241  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
... ... @@ -242,75 +242,65 @@
242 242  )))
243 243  
244 244  (((
245 -**Add APP EUI in the application.**
182 +Add APP EUI in the application.
246 246  )))
247 247  )))
248 248  
249 -(% 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" %)​
186 +[[image:image-20220519174512-1.png]]
250 250  
251 -(% 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" %)​
188 +[[image:image-20220519174512-2.png||height="323" width="720"]]
252 252  
253 -(% 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" %)​
190 +[[image:image-20220519174512-3.png||height="556" width="724"]]
254 254  
255 -(% 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"]](% title="Click and drag to resize" %)​
192 +[[image:image-20220519174512-4.png]]
256 256  
257 257  You can also choose to create the device manually.
258 258  
259 -(% 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" %)​
196 +[[image:1652953542269-423.png||height="710" width="723"]]
260 260  
198 +Add APP KEY and DEV EUI
261 261  
200 +[[image:1652953553383-907.png||height="514" width="724"]]
262 262  
263 -**Add APP KEY and DEV EUI**
264 264  
265 -(% 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" %)​
266 -
267 -
268 268  (((
269 -(% 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.
204 +**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.
270 270  )))
271 271  
272 -(% 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" %)​
207 +[[image:1652953568895-172.png||height="232" width="724"]]
273 273  
274 274  
275 -
276 276  == 3.3 Configure Commands to read data ==
277 277  
278 -
279 279  (((
280 280  (((
281 -(((
282 -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>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
214 +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.
283 283  )))
284 -)))
285 285  
286 286  (((
287 -(((
288 -(% 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**
289 -)))
218 +(% 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
290 290  
291 -
292 292  
293 293  )))
294 294  )))
295 295  
296 -=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
224 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
297 297  
298 -
299 299  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:
300 300  
301 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
302 -|=(% style="width: 110px;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
303 303  **AT Commands**
304 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
305 305  **Description**
306 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
307 307  **Example**
308 308  )))
309 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
310 310  AT+BAUDR
311 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
312 312  Set the baud rate (for RS485 connection). Default Value is: 9600.
313 -)))|(% style="width:190px" %)(((
240 +)))|(% style="width:346px" %)(((
314 314  (((
315 315  AT+BAUDR=9600
316 316  )))
... ... @@ -319,11 +319,11 @@
319 319  Options: (1200,2400,4800,14400,19200,115200)
320 320  )))
321 321  )))
322 -|(% style="width:110px" %)(((
249 +|(% style="width:128px" %)(((
323 323  AT+PARITY
324 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
325 325  Set UART parity (for RS485 connection)
326 -)))|(% style="width:190px" %)(((
253 +)))|(% style="width:346px" %)(((
327 327  (((
328 328  AT+PARITY=0
329 329  )))
... ... @@ -332,9 +332,9 @@
332 332  Option: 0: no parity, 1: odd parity, 2: even parity
333 333  )))
334 334  )))
335 -|(% style="width:110px" %)(((
262 +|(% style="width:128px" %)(((
336 336  AT+STOPBIT
337 -)))|(% style="width:190px" %)(((
264 +)))|(% style="width:305px" %)(((
338 338  (((
339 339  Set serial stopbit (for RS485 connection)
340 340  )))
... ... @@ -342,7 +342,7 @@
342 342  (((
343 343  
344 344  )))
345 -)))|(% style="width:190px" %)(((
272 +)))|(% style="width:346px" %)(((
346 346  (((
347 347  AT+STOPBIT=0 for 1bit
348 348  )))
... ... @@ -356,11 +356,8 @@
356 356  )))
357 357  )))
358 358  
359 -
360 -
361 361  === 3.3.2 Configure sensors ===
362 362  
363 -
364 364  (((
365 365  (((
366 366  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.
... ... @@ -367,27 +367,18 @@
367 367  )))
368 368  )))
369 369  
370 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
371 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
372 -|AT+CFGDEV|(% style="width:110px" %)(((
373 -(((
294 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
295 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
296 +|AT+CFGDEV|(% style="width:418px" %)(((
374 374  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
375 -)))
376 376  
377 -(((
378 378  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
379 -)))
380 380  
381 -(((
382 382  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
383 -)))
384 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
302 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
385 385  
386 -
387 -
388 388  === 3.3.3 Configure read commands for each sampling ===
389 389  
390 -
391 391  (((
392 392  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.
393 393  
... ... @@ -398,7 +398,7 @@
398 398  During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
399 399  
400 400  
401 -(% style="color:#037691" %)**Each RS485 commands include two parts:**
316 +**Each RS485 commands include two parts:**
402 402  
403 403  ~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.
404 404  
... ... @@ -409,14 +409,15 @@
409 409  
410 410  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
411 411  
327 +
412 412  Below are examples for the how above AT Commands works.
413 413  
414 414  
415 -(% 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:
331 +**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
416 416  
417 417  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
418 418  |(% style="width:496px" %)(((
419 -(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
335 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
420 420  
421 421  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
422 422  
... ... @@ -428,10 +428,10 @@
428 428  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
429 429  
430 430  
431 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
347 +**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
432 432  
433 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
434 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
435 435  **AT+DATACUTx=a,b,c**
436 436  
437 437  * **a: length for the return of AT+COMMAND**
... ... @@ -441,27 +441,25 @@
441 441  
442 442  **Examples:**
443 443  
444 -* (% style="color:#037691" %)**Grab bytes**
360 +* Grab bytes:
445 445  
446 -(% 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" %)​
362 +[[image:image-20220602153621-1.png]]
447 447  
448 448  
449 -* (% style="color:#037691" %)**Grab a section**
365 +* Grab a section.
450 450  
451 -(% 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" %)​
367 +[[image:image-20220602153621-2.png]]
452 452  
453 453  
454 -* (% style="color:#037691" %)**Grab different sections**
370 +* Grab different sections.
455 455  
456 -(% 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" %)​
372 +[[image:image-20220602153621-3.png]]
457 457  
458 -
459 459  
460 460  )))
461 461  
462 462  === 3.3.4 Compose the uplink payload ===
463 463  
464 -
465 465  (((
466 466  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.**
467 467  
... ... @@ -490,7 +490,7 @@
490 490  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
491 491  )))
492 492  
493 -(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% 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" %)​
407 +[[image:1653269759169-150.png||height="513" width="716"]]
494 494  
495 495  
496 496  (% style="color:#037691" %)**Examples: AT+DATAUP=1**
... ... @@ -502,13 +502,12 @@
502 502  
503 503  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
504 504  
505 -
506 506  1. PAYVER: Defined by AT+PAYVER
507 507  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
508 508  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
509 509  1. 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
510 510  
511 -(% 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" %)​
424 +[[image:image-20220602155039-4.png]]
512 512  
513 513  
514 514  So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
... ... @@ -520,7 +520,7 @@
520 520  DATA3=the rest of Valid value of RETURN10= **30**
521 521  
522 522  
523 -(% 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:**
436 +(% 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:
524 524  
525 525   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
526 526  
... ... @@ -533,13 +533,11 @@
533 533  
534 534  Below are the uplink payloads:
535 535  
536 -(% 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" %)​
449 +[[image:1654157178836-407.png]]
537 537  
538 538  
539 -
540 540  === 3.3.5 Uplink on demand ===
541 541  
542 -
543 543  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.
544 544  
545 545  Downlink control command:
... ... @@ -552,930 +552,600 @@
552 552  
553 553  === 3.3.6 Uplink on Interrupt ===
554 554  
555 -
556 556  RS485-LN support external Interrupt uplink since hardware v1.2 release.
557 557  
558 -(% 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" %)​
468 +[[image:1654157342174-798.png]]
559 559  
560 560  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.
561 561  
562 562  
563 -
564 564  == 3.4 Uplink Payload ==
565 565  
475 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
476 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
477 +|Value|(% style="width:120px" %)(((
478 +Battery(mV)
566 566  
567 -(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.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" %)​
480 +&
568 568  
569 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
482 +Interrupt _Flag
483 +)))|(% style="width:116px" %)(((
484 +PAYLOAD_VER
570 570  
486 +
487 +)))|(% style="width:386px" %)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.
571 571  
489 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
572 572  
573 -== 3.5 Configure RS485-LN via AT or Downlink ==
574 574  
492 +== 3.5 Configure RS485-BL via AT or Downlink ==
575 575  
576 -(((
577 577  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
578 -)))
579 579  
580 -(((
581 581  There are two kinds of Commands:
582 -)))
583 583  
584 -* (((
585 -(% 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]]
586 -)))
498 +* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
587 587  
588 -* (((
589 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
590 -)))
500 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
591 591  
592 -(((
593 -
594 -)))
595 595  
596 596  
597 -
598 598  === 3.5.1 Common Commands ===
599 599  
600 -
601 601  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]]
602 602  
603 603  
509 +=== 3.5.2 Sensor related commands: ===
604 604  
605 -=== 3.5.2 Sensor related commands ===
511 +==== Choose Device Type (RS485 or TTL) ====
606 606  
513 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
607 607  
608 -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.
515 +* AT Command
609 609  
610 -(% 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"]](% title="Click and drag to resize" %)​
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
611 611  
612 -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)
519 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
613 613  
614 614  
522 +* Downlink Payload
615 615  
616 -=== 3.5.3 Sensor related commands ===
524 +**0A aa**     à same as AT+MOD=aa
617 617  
618 618  
619 619  
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
620 620  
621 -==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
530 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
622 622  
623 -(((
624 -This command is used to configure the RS485 devices; they won’t be used during sampling.
625 -)))
532 +* AT Command
626 626  
627 -* (((
628 -(% style="color:#037691" %)**AT Command**
534 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
629 629  
630 -(((
631 -**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
632 -)))
633 -)))
536 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
634 634  
635 -(((
636 -
637 -)))
638 638  
639 -* (((
640 -(% style="color:#037691" %)**Downlink Payload**
641 -)))
642 642  
643 -(((
540 +* Downlink Payload
541 +
644 644  Format: A8 MM NN XX XX XX XX YY
645 -)))
646 646  
647 -(((
648 648  Where:
649 -)))
650 650  
651 -* (((
652 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
653 -)))
654 -* (((
655 -NN: The length of RS485 command
656 -)))
657 -* (((
658 -XX XX XX XX: RS485 command total NN bytes
659 -)))
660 -* (((
661 -(((
662 -YY: How many bytes will be uplink from the return of this RS485 command,
663 -)))
546 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
547 +* NN: The length of RS485 command
548 +* XX XX XX XX: RS485 command total NN bytes
549 +* 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
664 664  
665 -* (((
666 -if YY=0, RS485-LN will execute the downlink command without uplink;
667 -)))
668 -* (((
669 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
670 -)))
671 -* (((
672 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
673 -)))
674 -)))
551 +**Example 1:**
675 675  
676 -(((
677 -
678 -
679 -**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
680 -)))
681 -
682 -(((
683 683  To connect a Modbus Alarm with below commands.
684 -)))
685 685  
686 -* (((
687 -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.
688 -)))
555 +* 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.
689 689  
690 -* (((
691 -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.
692 -)))
557 +* 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.
693 693  
694 -(((
695 -
696 -
697 697  So if user want to use downlink command to control to RS485 Alarm, he can use:
698 -)))
699 699  
700 -(((
701 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
702 -)))
561 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
703 703  
704 -(((
705 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
706 -)))
563 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
707 707  
708 -(((
709 709  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.
710 -)))
711 711  
712 -(((
713 -
714 -)))
715 715  
716 -(((
717 -**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
718 -)))
568 +**Example 2:**
719 719  
720 -(((
721 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
722 -)))
570 +Check TTL Sensor return:
723 723  
724 -(((
725 -
726 -)))
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
727 727  
728 -(((
729 -(((
730 -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**
731 -)))
732 732  
733 -
734 -)))
735 735  
736 -(((
737 - (% 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" %)​
738 -)))
739 739  
577 +==== Set Payload version ====
740 740  
579 +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.
741 741  
581 +* AT Command:
742 742  
743 -==== (% style="color:blue" %)**Set Payload version**(%%) ====
583 +AT+PAYVER: Set PAYVER field = 1
744 744  
745 -(((
746 -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.
747 -)))
748 748  
749 -* (((
750 -(% style="color:#037691" %)**AT Command:**
586 +* Downlink Payload:
751 751  
752 -**AT+PAYVER:    **Set PAYVER field = 1
588 +0xAE 01   à Set PAYVER field =  0x01
753 753  
754 -
755 -)))
756 -* (((
757 -(% style="color:#037691" %)**Downlink Payload:**
758 -)))
590 +0xAE 0F   à Set PAYVER field =  0x0F
759 759  
760 -(((
761 -**0xAE 01**  ~-~->  Set PAYVER field =  0x01
762 -)))
763 763  
764 -(((
765 -**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
766 -)))
593 +==== Set RS485 Sampling Commands ====
767 767  
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
768 768  
597 +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]].
769 769  
770 770  
771 -==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
600 +* AT Command:
772 772  
773 -(((
774 -AT+COMMANDx or AT+DATACUTx
775 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
776 776  
777 -(((
778 -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"]].
779 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
780 780  
781 -(((
782 -
783 -)))
606 +AT+SEARCHx: Configure search command
784 784  
785 -* (((
786 -(% style="color:#037691" %)**AT Command:**
787 -)))
788 788  
789 -**AT+COMMANDx:    **Configure RS485 read command to sensor.
609 +* Downlink Payload:
790 790  
791 -**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
611 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
792 792  
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
793 793  
794 -* (((
795 -(% style="color:#037691" %)**Downlink Payload:**
796 -)))
797 -
798 -(((
799 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
800 -)))
801 -
802 -(((
803 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
804 -)))
805 -
806 -(((
807 807  Format: AF MM NN LL XX XX XX XX YY
808 -)))
809 809  
810 -(((
811 811  Where:
812 -)))
813 813  
814 -* (((
815 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
816 -)))
817 -* (((
818 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
819 -)))
820 -* (((
821 -LL:  The length of AT+COMMAND or AT+DATACUT command
822 -)))
823 -* (((
824 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
825 -)))
826 -* (((
827 -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.
828 -)))
619 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
620 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
621 +* LL: The length of AT+COMMAND or AT+DATACUT command
622 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
623 +* 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.
829 829  
830 -(((
831 -
625 +Example:
832 832  
833 -**Example:**
834 -)))
627 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
835 835  
836 -(((
837 -(% 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
838 -)))
629 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
839 839  
840 -(((
841 -(% 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**
842 -)))
631 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
843 843  
844 -(((
845 -(% 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**
846 -)))
847 847  
634 +0xAB downlink command can be used for set AT+SEARCHx
848 848  
636 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
849 849  
638 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
639 +* 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
850 850  
851 -==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
641 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
852 852  
853 -(((
854 -**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]].
855 -)))
856 856  
857 -(((
858 -This command is valid since v1.3 firmware version
859 -)))
644 +==== Fast command to handle MODBUS device ====
860 860  
861 -(((
862 -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.
863 -)))
646 +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]].
864 864  
865 -(((
866 -
867 -)))
648 +This command is valid since v1.3 firmware version
868 868  
869 -(((
870 -**Example:**
871 -)))
872 872  
873 -* (((
874 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
875 -)))
876 -* (((
877 -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.
878 -)))
879 -* (((
880 -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.
651 +AT+MBFUN has only two value:
881 881  
882 -
883 -)))
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
884 884  
885 -(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %)​
655 +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.
886 886  
887 -(% 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" %)​
657 +* AT+MBFUN=0: Disable Modbus fast reading.
888 888  
659 +Example:
889 889  
661 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
662 +* 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.
663 +* 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.
890 890  
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
891 891  
892 -==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
893 893  
894 -(((
895 -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.
896 -)))
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
897 897  
898 -(((
899 -Default value: 0, range:  0 ~~ 65 seconds
900 -)))
901 901  
902 -* (((
903 -(% style="color:#037691" %)** AT Command:**
671 +* Downlink Commands:
904 904  
905 -**AT+CMDDLaa=hex(bb cc)*1000**
906 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
907 907  
908 -(((
909 -
910 910  
911 -**Example:**
912 -)))
676 +==== RS485 command timeout ====
913 913  
914 -(((
915 -**AT+CMDDL1=1000** to send the open time to 1000ms
916 -)))
678 +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.
917 917  
918 -(((
919 -
920 -)))
680 +Default value: 0, range:  0 ~~ 5 seconds
921 921  
922 -* (((
923 -(% style="color:#037691" %)** Downlink Payload:**
924 -)))
925 925  
926 -(((
927 -**0x AA aa bb cc**
928 -)))
683 +* AT Command:
929 929  
930 -(((
931 -Same as: AT+CMDDLaa=hex(bb cc)*1000
932 -)))
685 +AT+CMDDLaa=hex(bb cc)
933 933  
934 -(((
935 -**Example:**
936 -)))
687 +Example:
937 937  
938 -(((
939 -**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
940 -)))
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
941 941  
942 942  
692 +* Downlink Payload:
943 943  
694 +0x AA aa bb cc
944 944  
945 -==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
696 +Same as: AT+CMDDLaa=hex(bb cc)
946 946  
947 -(((
948 -Define to use one uplink or multiple uplinks for the sampling.
949 -)))
698 + Example:
950 950  
951 -(((
952 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
953 953  
954 -
955 -)))
956 956  
957 -* (((
958 -(% style="color:#037691" %)** AT Command:**
959 -)))
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
960 960  
961 -**AT+DATAUP=0**
705 +Define to use one uplink or multiple uplinks for the sampling.
962 962  
963 -**AT+DATAUP=1**
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
964 964  
709 +* AT Command:
965 965  
966 -* (((
967 -(% style="color:#037691" %)** Downlink Payload:**
968 -)))
711 +AT+DATAUP=0
969 969  
970 -(((
971 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
972 -)))
713 +AT+DATAUP=1
973 973  
974 -(((
975 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
976 -)))
977 977  
716 +* Downlink Payload:
978 978  
718 +0xAD 00   à Same as AT+DATAUP=0
979 979  
720 +0xAD 01   à Same as AT+DATAUP=1
980 980  
981 -==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
982 982  
983 -(((
723 +==== Manually trigger an Uplink ====
724 +
984 984  Ask device to send an uplink immediately.
985 -)))
986 986  
987 -* (((
988 -(% style="color:#037691" %)** AT Command:**
989 -)))
727 +* Downlink Payload:
990 990  
991 -(((
992 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
993 -)))
729 +0x08 FF, RS485-BL will immediately send an uplink.
994 994  
995 -(((
996 -
997 -)))
998 998  
999 -* (((
1000 -(% style="color:#037691" %)** Downlink Payload:**
1001 -)))
732 +==== Clear RS485 Command ====
1002 1002  
1003 -(((
1004 -**0x08 FF**, RS485-LN will immediately send an uplink.
1005 -)))
1006 -
1007 -
1008 -
1009 -
1010 -==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1011 -
1012 -(((
1013 1013  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1014 1014  
1015 -
1016 -)))
1017 1017  
1018 -* (((
1019 -(% style="color:#037691" %)** AT Command:**
1020 -)))
737 +* AT Command:
1021 1021  
1022 -(((
1023 1023  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1024 -)))
1025 1025  
1026 -(((
1027 1027  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1028 -)))
1029 1029  
1030 -(((
1031 1031  Example screen shot after clear all RS485 commands. 
1032 -)))
1033 1033  
1034 -(((
1035 -
1036 -)))
1037 1037  
1038 -(((
746 +
1039 1039  The uplink screen shot is:
1040 -)))
1041 1041  
1042 -(% 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" %)​
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1043 1043  
1044 1044  
1045 -* (((
1046 -(% style="color:#037691" %)** Downlink Payload:**
1047 -)))
752 +* Downlink Payload:
1048 1048  
1049 -(((
1050 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
1051 -)))
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
1052 1052  
1053 1053  
757 +==== Set Serial Communication Parameters ====
1054 1054  
1055 -
1056 -==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1057 -
1058 -(((
1059 1059  Set the Rs485 serial communication parameters:
1060 -)))
1061 1061  
1062 -* (((
1063 -(% style="color:#037691" %)** AT Command:**
1064 -)))
761 +* AT Command:
1065 1065  
1066 -(((
1067 -
763 +Set Baud Rate:
1068 1068  
1069 -* Set Baud Rate
1070 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1071 1071  
1072 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1073 1073  
768 +Set UART parity
1074 1074  
1075 -(((
1076 -* Set UART Parity
1077 -)))
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1078 1078  
1079 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1080 1080  
773 +Set STOPBIT
1081 1081  
1082 -(((
1083 -* Set STOPBIT
1084 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1085 1085  
1086 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1087 1087  
778 +* Downlink Payload:
1088 1088  
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1089 1089  
1090 -* (((
1091 -(% style="color:#037691" %)** Downlink Payload:**
1092 -)))
782 +Example:
1093 1093  
1094 -(((
1095 -**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
1096 -)))
784 +* A7 01 00 60   same as AT+BAUDR=9600
785 +* A7 01 04 80  same as AT+BAUDR=115200
1097 1097  
1098 -(((
1099 -**Example:**
1100 -)))
787 +A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1101 1101  
1102 -* (((
1103 -A7 01 00 60   same as AT+BAUDR=9600
1104 -)))
1105 -* (((
1106 -A7 01 04 80  same as AT+BAUDR=115200
1107 -)))
789 +A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1108 1108  
1109 -(((
1110 -A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1111 -)))
1112 1112  
1113 -(((
1114 -A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1115 -)))
792 +==== Control output power duration ====
1116 1116  
794 +User can set the output power duration before each sampling.
1117 1117  
796 +* AT Command:
1118 1118  
798 +Example:
1119 1119  
1120 -== 3.6 Listening mode for RS485 network ==
800 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1121 1121  
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1122 1122  
1123 -(((
1124 -This feature support since firmware v1.4
1125 -)))
1126 1126  
1127 -(((
1128 -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.
805 +* LoRaWAN Downlink Command:
1129 1129  
1130 -
1131 -)))
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
1132 1132  
1133 -(% 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"]](% title="Click and drag to resize" %)​
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1134 1134  
1135 -(((
1136 -To enable the listening mode, use can run the command AT+RXMODE.
1137 -)))
1138 1138  
1139 -(((
1140 -
1141 -)))
1142 1142  
1143 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1144 -|=(% style="width: 100px;" %)(((
1145 -**Command example**
1146 -)))|=(% style="width: 400px;" %)(((
1147 -**Function**
1148 -)))
1149 -|(% style="width:100px" %)(((
1150 -AT+RXMODE=1,10
1151 -)))|(% style="width:400px" %)(((
1152 -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.
1153 -)))
1154 -|(% style="width:100px" %)(((
1155 -AT+RXMODE=2,500
1156 -)))|(% style="width:400px" %)(((
1157 -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
1158 -)))
1159 -|(% style="width:100px" %)(((
1160 -AT+RXMODE=0,0
1161 -)))|(% style="width:400px" %)(((
1162 -Disable listening mode. This is the default settings.
1163 -)))
1164 -|(% style="width:100px" %)(((
1165 -
1166 -)))|(% style="width:400px" %)(((
1167 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1168 -)))
1169 1169  
1170 -(((
1171 -(% style="color:#037691" %)** Downlink Command:**
1172 -)))
814 +1.
815 +11. Buttons
1173 1173  
1174 -(((
1175 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1176 -)))
817 +|**Button**|**Feature**
818 +|**RST**|Reboot RS485-BL
1177 1177  
1178 -(((
1179 -
1180 -)))
820 +1.
821 +11. +3V3 Output
1181 1181  
1182 -(((
1183 -**Example**:
1184 -)))
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1185 1185  
1186 -(((
1187 -The RS485-LN is set to AT+RXMODE=2,1000
1188 -)))
825 +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. 
1189 1189  
1190 -(((
1191 -There is a two Modbus commands in the RS485 network as below:
1192 -)))
1193 1193  
1194 -(((
1195 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1196 -)))
828 +The +3V3 output time can be controlled by AT Command.
1197 1197  
1198 -(((
1199 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1200 -)))
830 +**AT+3V3T=1000**
1201 1201  
1202 -(((
1203 -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
1204 -)))
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1205 1205  
1206 -(((
1207 -(% 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" %)​
1208 -)))
1209 1209  
1210 -(((
1211 -
1212 -)))
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1213 1213  
1214 -(((
1215 -(((
1216 -(% 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.**
1217 -)))
1218 -)))
1219 1219  
838 +1.
839 +11. +5V Output
1220 1220  
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1221 1221  
1222 -== 3.7 Buttons ==
843 +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. 
1223 1223  
1224 1224  
1225 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1226 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1227 -|(% 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**
1228 -|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1229 -|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
846 +The 5V output time can be controlled by AT Command.
1230 1230  
848 +**AT+5VT=1000**
1231 1231  
850 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1232 1232  
1233 -== 3.8 LEDs ==
1234 1234  
853 +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.
1235 1235  
1236 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1237 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1238 -|**PWR**|Always on if there is power
1239 -|**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.
1240 1240  
1241 1241  
1242 1242  
1243 -= 4. Case Study =
858 +1.
859 +11. LEDs
1244 1244  
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
1245 1245  
1246 -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]]
864 +1.
865 +11. Switch Jumper
1247 1247  
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
1248 1248  
1249 -
1250 -= 5. Use AT Command =
1251 -
1252 -== 5.1 Access AT Command ==
1253 -
1254 -
1255 -(((
1256 -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.
871 +Flash position: Configure device, check running status.
1257 1257  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
1258 1258  
1259 -(% 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" %)​
1260 -
1261 -
1262 -(((
1263 -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:
876 +3.3v position: set to compatible with 3.3v I/O.,
1264 1264  )))
1265 1265  
1266 -(% 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" %)​
879 ++3.3V: is always ON
1267 1267  
881 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1268 1268  
1269 -(((
1270 -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/]]
1271 -)))
883 +1. Case Study
1272 1272  
885 +User can check this URL for some case studies.
1273 1273  
887 +[[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]]
1274 1274  
1275 -== 5.2 Common AT Command Sequence ==
1276 1276  
1277 1277  
1278 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1279 1279  
892 +1. Use AT Command
893 +11. Access AT Command
1280 1280  
1281 -If device has not joined network yet:
895 +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.
1282 1282  
1283 -* (% style="color:#037691" %)**AT+FDR**
1284 -* (% style="color:#037691" %)**AT+NJM=0**
1285 -* (% style="color:#037691" %)**ATZ**
897 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1286 1286  
1287 -(((
1288 -
1289 1289  
1290 -If device already joined network:
900 +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:
1291 1291  
1292 -* (% style="color:#037691" %)**AT+NJM=0**
1293 -* (% style="color:#037691" %)**ATZ**
902 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1294 1294  
1295 -
1296 -)))
1297 1297  
1298 1298  
906 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1299 1299  
1300 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1301 1301  
1302 1302  
1303 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
910 +1.
911 +11. Common AT Command Sequence
912 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1304 1304  
1305 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
914 +If device has not joined network yet:
1306 1306  
1307 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
916 +AT+FDR
1308 1308  
1309 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
918 +AT+NJM=0
1310 1310  
1311 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
920 +ATZ
1312 1312  
1313 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1314 1314  
1315 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
923 +If device already joined network:
1316 1316  
1317 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
925 +AT+NJM=0
1318 1318  
1319 -(% 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.
927 +ATZ
1320 1320  
1321 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
1322 1322  
933 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1323 1323  
1324 -(% style="color:red" %)**Note:**
935 +AT+NJM=0 Set to ABP mode
1325 1325  
1326 -(((
1327 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1328 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1329 -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.
1330 -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
1331 -)))
937 +AT+ADR=0 Set the Adaptive Data Rate Off
1332 1332  
1333 -(% 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" %)​
939 +AT+DR=5  Set Data Rate
1334 1334  
941 +AT+TDC=60000  Set transmit interval to 60 seconds
1335 1335  
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1336 1336  
1337 -= 6. FAQ =
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1338 1338  
1339 -== 6.1 How to upgrade the image? ==
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1340 1340  
949 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1341 1341  
1342 -(((
1343 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1344 -)))
951 +ATZ          Reset MCU
1345 1345  
1346 -* (((
1347 -Support new features
1348 -)))
1349 -* (((
1350 -For bug fix
1351 -)))
1352 -* (((
1353 -Change LoRaWAN bands.
1354 -)))
953 +**Note:**
1355 1355  
1356 -(((
1357 -Below shows the hardware connection for how to upload an image to RS485-LN:
1358 -)))
955 +1. Make sure the device is set to ABP mode in the IoT Server.
956 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
957 +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.
958 +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
1359 1359  
1360 -(% 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"]](% title="Click and drag to resize" %)​
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1361 1361  
1362 -(((
1363 -(% 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]].
1364 -)))
1365 1365  
1366 -(((
1367 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1368 -)))
963 +1. FAQ
964 +11. How to upgrade the image?
1369 1369  
1370 -(((
1371 -(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1372 -)))
966 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1373 1373  
1374 -(((
1375 -(((
1376 -(((
1377 -(% 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.
1378 -)))
1379 -)))
1380 -)))
968 +* Support new features
969 +* For bug fix
970 +* Change LoRaWAN bands.
1381 1381  
972 +Below shows the hardware connection for how to upload an image to RS485-BL:
1382 1382  
1383 -(% 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" %)​
974 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1384 1384  
976 +**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]].
1385 1385  
1386 -(% 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" %)​
978 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1387 1387  
980 +**Step3: **Open flashloader; choose the correct COM port to update.
1388 1388  
1389 -(% 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" %)​
1390 1390  
983 +|(((
984 +HOLD PRO then press the RST button, SYS will be ON, then click next
985 +)))
1391 1391  
1392 -(% 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:**
987 +|(((
988 +Board detected
989 +)))
1393 1393  
1394 -(% 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" %)​
991 +|(((
992 +
993 +)))
1395 1395  
995 +[[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]]
1396 1396  
1397 1397  
1398 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1399 1399  
999 +[[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]]
1400 1400  
1401 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1402 1402  
1002 +[[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]]
1403 1403  
1404 1404  
1405 -== 6.3 How many RS485-Slave can RS485-LN connects? ==
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1406 1406  
1008 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1407 1407  
1408 -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"]].
1409 1409  
1410 1410  
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1411 1411  
1412 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1015 +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]].
1413 1413  
1414 1414  
1415 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1416 1416  
1417 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1418 1418  
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1419 1419  
1023 +Please see this link for debug:
1420 1420  
1421 -== 6.5 Can i use point to point communication for RS485-LN? ==
1025 +[[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]] 
1422 1422  
1423 1423  
1424 -Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1425 1425  
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1426 1426  
1032 +It might about the channels mapping. Please see for detail.
1427 1427  
1428 -== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1034 +[[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]]
1429 1429  
1430 1430  
1431 -[[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/]]
1432 1432  
1038 +1. Order Info
1433 1433  
1040 +**Part Number: RS485-BL-XXX**
1434 1434  
1435 -= 7. Trouble Shooting =
1042 +**XXX:**
1436 1436  
1044 +* **EU433**: frequency bands EU433
1045 +* **EU868**: frequency bands EU868
1046 +* **KR920**: frequency bands KR920
1047 +* **CN470**: frequency bands CN470
1048 +* **AS923**: frequency bands AS923
1049 +* **AU915**: frequency bands AU915
1050 +* **US915**: frequency bands US915
1051 +* **IN865**: frequency bands IN865
1052 +* **RU864**: frequency bands RU864
1053 +* **KZ865: **frequency bands KZ865
1437 1437  
1438 -== 7.1 Downlink doesn't work, how to solve it? ==
1055 +1. Packing Info
1439 1439  
1440 -
1441 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1442 -
1443 -
1444 -
1445 -== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1446 -
1447 -
1448 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1449 -
1450 -
1451 -
1452 -= 8. Order Info =
1453 -
1454 -
1455 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1456 -
1457 -(% style="color:blue" %)**XXX:**
1458 -
1459 -* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1460 -* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1461 -* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1462 -* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1463 -* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1464 -* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1465 -* (% style="color:red" %)**US915**(%%):  frequency bands US915
1466 -* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1467 -* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1468 -* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1469 -
1470 -
1471 -
1472 -
1473 -= 9.Packing Info =
1474 -
1475 -
1476 1476  **Package Includes**:
1477 1477  
1478 -* RS485-LN x 1
1059 +* RS485-BL x 1
1479 1479  * Stick Antenna for LoRa RF part x 1
1480 1480  * Program cable x 1
1481 1481  
... ... @@ -1486,69 +1486,9 @@
1486 1486  * Package Size / pcs : 14.5 x 8 x 5 cm
1487 1487  * Weight / pcs : 170g
1488 1488  
1070 +1. Support
1489 1489  
1072 +* 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.
1073 +* 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
1490 1490  
1491 -
1492 -
1493 -= 10. FCC Caution for RS485LN-US915 =
1494 -
1495 -
1496 -(((
1497 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1498 -)))
1499 -
1500 -(((
1501 -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.
1502 -)))
1503 -
1504 -(((
1505 -
1506 -)))
1507 -
1508 -(((
1509 -(% style="color:red" %)**IMPORTANT NOTE:**
1510 -)))
1511 -
1512 -(((
1513 -**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:
1514 -)))
1515 -
1516 -(((
1517 -—Reorient or relocate the receiving antenna.
1518 -)))
1519 -
1520 -(((
1521 -—Increase the separation between the equipment and receiver.
1522 -)))
1523 -
1524 -(((
1525 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1526 -)))
1527 -
1528 -(((
1529 -—Consult the dealer or an experienced radio/TV technician for help.
1530 -)))
1531 -
1532 -(((
1533 -
1534 -)))
1535 -
1536 -(((
1537 -(% style="color:red" %)**FCC Radiation Exposure Statement:**
1538 -)))
1539 -
1540 -(((
1541 -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.
1542 -)))
1543 -
1544 -
1545 -
1546 -= 11. Support =
1547 -
1548 -
1549 -* (((
1550 -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.
1551 -)))
1552 -* (((
1553 -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]].
1554 -)))
1075 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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