Last modified by Bei Jinggeng on 2025/01/16 11:36
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From version < 58.53 >
edited by Xiaoling
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To version < 60.9 >
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Title
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1 -RS485-LN – RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter User Manual
Content
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3 3  
4 4  
5 5  
6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 9  
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25 25  (((
26 26  (((
27 27  (((
27 +
28 +
28 28  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.
29 29  )))
30 30  )))
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48 48  
49 49  (((
50 50  (% 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 +
51 51  )))
52 52  )))
53 53  )))
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66 66  ** Idle: 32mA@12v
67 67  ** 20dB Transmit: 65mA@12v
68 68  
72 +
69 69  **Interface for Model:**
70 70  
71 71  * RS485
72 72  * Power Input 7~~ 24V DC. 
73 73  
78 +
74 74  **LoRa Spec:**
75 75  
76 76  * Frequency Range:
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92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 93  * Packet engine up to 256 bytes with CRC
94 94  
100 +
101 +
95 95  == 1.3 Features ==
96 96  
97 97  * LoRaWAN Class A & Class C protocol (default Class C)
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103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
113 +
114 +
106 106  == 1.4 Applications ==
107 107  
108 108  * Smart Buildings & Home Automation
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112 112  * Smart Cities
113 113  * Smart Factory
114 114  
124 +
125 +
115 115  == 1.5 Firmware Change log ==
116 116  
117 117  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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180 180  
181 181  [[image:1653268227651-549.png||height="592" width="720"]]
182 182  
194 +
183 183  (((
184 184  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:
185 185  )))
186 186  
187 187  (((
188 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
200 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
189 189  )))
190 190  
191 191  (((
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195 195  
196 196  [[image:1652953462722-299.png]]
197 197  
210 +
198 198  (((
199 199  (((
200 200  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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201 201  )))
202 202  
203 203  (((
204 -Add APP EUI in the application.
217 +**Add APP EUI in the application.**
205 205  )))
206 206  )))
207 207  
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217 217  
218 218  [[image:1652953542269-423.png||height="710" width="723"]]
219 219  
220 -Add APP KEY and DEV EUI
221 221  
234 +
235 +**Add APP KEY and DEV EUI**
236 +
222 222  [[image:1652953553383-907.png||height="514" width="724"]]
223 223  
224 224  
225 225  (((
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.
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.
227 227  )))
228 228  
229 229  [[image:1652953568895-172.png||height="232" width="724"]]
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310 310  )))
311 311  
312 312  
328 +
329 +
313 313  === 3.3.2 Configure sensors ===
314 314  
315 315  (((
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321 321  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
322 322  |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
323 323  |AT+CFGDEV|(% style="width:110px" %)(((
341 +(((
324 324  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
343 +)))
325 325  
345 +(((
326 326  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
347 +)))
327 327  
349 +(((
328 328  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
351 +)))
329 329  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
330 330  
331 331  
355 +
356 +
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
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399 399  
400 400  [[image:image-20220602153621-3.png]]
401 401  
427 +
402 402  
403 403  )))
404 404  
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507 507  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
508 508  
509 509  
510 -== 3.5 Configure RS485-BL via AT or Downlink ==
536 +== 3.5 Configure RS485-LN via AT or Downlink ==
511 511  
512 512  (((
513 513  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
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1186 1186  == 3.7 Buttons ==
1187 1187  
1188 1188  
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"]]
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"]]
1194 1194  
1195 -
1196 1196  == 3.8 LEDs ==
1197 1197  
1198 1198  
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1201 1201  |**PWR**|Always on if there is power
1202 1202  |**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.
1203 1203  
1204 -
1205 1205  = 4. Case Study =
1206 1206  
1207 1207  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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