Last modified by Bei Jinggeng on 2025/01/16 11:36
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From version < 60.9 >
edited by Xiaoling
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To version < 58.52 >
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Title
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1 -RS485-LN – RS485 to LoRaWAN Converter User Manual
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
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3 3  
4 4  
5 5  
6 +**RS485-LN – RS485 to LoRaWAN Converter User Manual**
6 6  
7 7  
8 8  
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24 24  (((
25 25  (((
26 26  (((
27 -
28 -
29 29  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.
30 30  )))
31 31  )))
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49 49  
50 50  (((
51 51  (% 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 -
54 54  )))
55 55  )))
56 56  )))
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69 69  ** Idle: 32mA@12v
70 70  ** 20dB Transmit: 65mA@12v
71 71  
72 -
73 73  **Interface for Model:**
74 74  
75 75  * RS485
76 76  * Power Input 7~~ 24V DC. 
77 77  
78 -
79 79  **LoRa Spec:**
80 80  
81 81  * Frequency Range:
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97 97  * Automatic RF Sense and CAD with ultra-fast AFC.
98 98  * Packet engine up to 256 bytes with CRC
99 99  
100 -
101 -
102 102  == 1.3 Features ==
103 103  
104 104  * LoRaWAN Class A & Class C protocol (default Class C)
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110 110  * Support Modbus protocol
111 111  * Support Interrupt uplink (Since hardware version v1.2)
112 112  
113 -
114 -
115 115  == 1.4 Applications ==
116 116  
117 117  * Smart Buildings & Home Automation
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121 121  * Smart Cities
122 122  * Smart Factory
123 123  
124 -
125 -
126 126  == 1.5 Firmware Change log ==
127 127  
128 128  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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191 191  
192 192  [[image:1653268227651-549.png||height="592" width="720"]]
193 193  
194 -
195 195  (((
196 196  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:
197 197  )))
198 198  
199 199  (((
200 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
188 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
201 201  )))
202 202  
203 203  (((
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207 207  
208 208  [[image:1652953462722-299.png]]
209 209  
210 -
211 211  (((
212 212  (((
213 213  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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214 214  )))
215 215  
216 216  (((
217 -**Add APP EUI in the application.**
204 +Add APP EUI in the application.
218 218  )))
219 219  )))
220 220  
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230 230  
231 231  [[image:1652953542269-423.png||height="710" width="723"]]
232 232  
220 +Add APP KEY and DEV EUI
233 233  
234 -
235 -**Add APP KEY and DEV EUI**
236 -
237 237  [[image:1652953553383-907.png||height="514" width="724"]]
238 238  
239 239  
240 240  (((
241 -(% 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.
226 +**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.
242 242  )))
243 243  
244 244  [[image:1652953568895-172.png||height="232" width="724"]]
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325 325  )))
326 326  
327 327  
328 -
329 -
330 330  === 3.3.2 Configure sensors ===
331 331  
332 332  (((
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338 338  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
339 339  |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
340 340  |AT+CFGDEV|(% style="width:110px" %)(((
341 -(((
342 342  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
343 -)))
344 344  
345 -(((
346 346  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
347 -)))
348 348  
349 -(((
350 350  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
351 -)))
352 352  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
353 353  
354 354  
355 -
356 -
357 357  === 3.3.3 Configure read commands for each sampling ===
358 358  
359 359  (((
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424 424  
425 425  [[image:image-20220602153621-3.png]]
426 426  
427 -
428 428  
429 429  )))
430 430  
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533 533  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
534 534  
535 535  
536 -== 3.5 Configure RS485-LN via AT or Downlink ==
510 +== 3.5 Configure RS485-BL via AT or Downlink ==
537 537  
538 538  (((
539 539  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
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1212 1212  == 3.7 Buttons ==
1213 1213  
1214 1214  
1215 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1216 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1217 -|(% 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**
1218 -|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1219 -|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1189 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1190 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1191 +|(% style="width:50px" %)**ACT**|(% style="width:350px" %)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**
1192 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1193 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1220 1220  
1195 +
1221 1221  == 3.8 LEDs ==
1222 1222  
1223 1223  
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1226 1226  |**PWR**|Always on if there is power
1227 1227  |**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.
1228 1228  
1204 +
1229 1229  = 4. Case Study =
1230 1230  
1231 1231  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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1277 1277  )))
1278 1278  
1279 1279  
1280 -(((
1281 1281  If device already joined network:
1282 -)))
1283 1283  
1284 1284  (% class="box infomessage" %)
1285 1285  (((

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