Last modified by Bei Jinggeng on 2025/01/16 11:36
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From version < 60.2 >
edited by Xiaoling
on 2022/06/14 10:49
To version < 61.3 >
edited by Xiaoling
on 2022/06/14 11:27
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... ... @@ -24,6 +24,8 @@
24 24  (((
25 25  (((
26 26  (((
27 +
28 +
27 27  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.
28 28  )))
29 29  )))
... ... @@ -47,6 +47,8 @@
47 47  
48 48  (((
49 49  (% 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]]
52 +
53 +
50 50  )))
51 51  )))
52 52  )))
... ... @@ -92,6 +92,7 @@
92 92  * Packet engine up to 256 bytes with CRC
93 93  
94 94  
99 +
95 95  == 1.3 Features ==
96 96  
97 97  * LoRaWAN Class A & Class C protocol (default Class C)
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104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 106  
112 +
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
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114 114  * Smart Factory
115 115  
116 116  
123 +
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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182 182  
183 183  [[image:1653268227651-549.png||height="592" width="720"]]
184 184  
192 +
185 185  (((
186 186  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:
187 187  )))
188 188  
189 189  (((
190 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
198 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
191 191  )))
192 192  
193 193  (((
... ... @@ -197,6 +197,7 @@
197 197  
198 198  [[image:1652953462722-299.png]]
199 199  
208 +
200 200  (((
201 201  (((
202 202  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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203 203  )))
204 204  
205 205  (((
206 -Add APP EUI in the application.
215 +**Add APP EUI in the application.**
207 207  )))
208 208  )))
209 209  
... ... @@ -219,13 +219,15 @@
219 219  
220 220  [[image:1652953542269-423.png||height="710" width="723"]]
221 221  
222 -Add APP KEY and DEV EUI
223 223  
232 +
233 +**Add APP KEY and DEV EUI**
234 +
224 224  [[image:1652953553383-907.png||height="514" width="724"]]
225 225  
226 226  
227 227  (((
228 -**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.
239 +(% 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.
229 229  )))
230 230  
231 231  [[image:1652953568895-172.png||height="232" width="724"]]
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236 236  (((
237 237  (((
238 238  (((
239 -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-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
250 +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.
240 240  )))
241 241  )))
242 242  
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312 312  )))
313 313  
314 314  
326 +
327 +
315 315  === 3.3.2 Configure sensors ===
316 316  
317 317  (((
... ... @@ -337,6 +337,8 @@
337 337  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
338 338  
339 339  
353 +
354 +
340 340  === 3.3.3 Configure read commands for each sampling ===
341 341  
342 342  (((
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349 349  During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
350 350  
351 351  
352 -**Each RS485 commands include two parts:**
367 +(% style="color:#037691" %)**Each RS485 commands include two parts:**
353 353  
354 354  ~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.
355 355  
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364 364  Below are examples for the how above AT Commands works.
365 365  
366 366  
367 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
382 +(% 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:
368 368  
369 369  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
370 370  |(% style="width:496px" %)(((
371 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
386 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
372 372  
373 373  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
374 374  
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380 380  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
381 381  
382 382  
383 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
398 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
384 384  
385 385  (% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
386 386  |(% style="width:510px" %)(((
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393 393  
394 394  **Examples:**
395 395  
396 -* Grab bytes:
411 +* (% style="color:#037691" %)**Grab bytes**
397 397  
398 398  [[image:image-20220602153621-1.png]]
399 399  
400 400  
401 -* Grab a section.
416 +* (% style="color:#037691" %)**Grab a section**
402 402  
403 403  [[image:image-20220602153621-2.png]]
404 404  
405 405  
406 -* Grab different sections.
421 +* (% style="color:#037691" %)**Grab different sections**
407 407  
408 408  [[image:image-20220602153621-3.png]]
409 409  
425 +
410 410  
411 411  )))
412 412  
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515 515  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
516 516  
517 517  
518 -== 3.5 Configure RS485-BL via AT or Downlink ==
534 +== 3.5 Configure RS485-LN via AT or Downlink ==
519 519  
520 520  (((
521 521  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
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681 681  ==== **Set Payload version** ====
682 682  
683 683  (((
684 -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.
700 +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.
685 685  )))
686 686  
687 687  * (((
... ... @@ -779,7 +779,7 @@
779 779  XX XX XX XX: AT+COMMAND or AT+DATACUT command
780 780  )))
781 781  * (((
782 -YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
798 +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.
783 783  )))
784 784  
785 785  (((
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1200 1200  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1201 1201  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1202 1202  
1203 -
1204 1204  == 3.8 LEDs ==
1205 1205  
1206 1206  
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1209 1209  |**PWR**|Always on if there is power
1210 1210  |**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.
1211 1211  
1212 -
1213 1213  = 4. Case Study =
1214 1214  
1215 1215  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]]
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1220 1220  == 5.1 Access AT Command ==
1221 1221  
1222 1222  (((
1223 -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.
1237 +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.
1224 1224  )))
1225 1225  
1226 1226  [[image:1654162355560-817.png]]
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1227 1227  
1228 1228  
1229 1229  (((
1230 -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-BL. The default password is 123456. Below is the output for reference:
1244 +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:
1231 1231  )))
1232 1232  
1233 1233  [[image:1654162368066-342.png]]
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1376 1376  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1377 1377  
1378 1378  
1379 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1393 +== 6.3 How many RS485-Slave can RS485-LN connects? ==
1380 1380  
1381 -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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1395 +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"]].
1382 1382  
1383 1383  
1384 1384  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==

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