Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -69,15 +69,11 @@ 69 69 ** Idle: 32mA@12v 70 70 ** 20dB Transmit: 65mA@12v 71 71 72 - 73 - 74 74 **Interface for Model:** 75 75 76 76 * RS485 77 77 * Power Input 7~~ 24V DC. 78 78 79 - 80 - 81 81 **LoRa Spec:** 82 82 83 83 * Frequency Range: ... ... @@ -113,9 +113,6 @@ 113 113 * Support Modbus protocol 114 114 * Support Interrupt uplink (Since hardware version v1.2) 115 115 116 - 117 - 118 - 119 119 == 1.4 Applications == 120 120 121 121 * Smart Buildings & Home Automation ... ... @@ -125,9 +125,6 @@ 125 125 * Smart Cities 126 126 * Smart Factory 127 127 128 - 129 - 130 - 131 131 == 1.5 Firmware Change log == 132 132 133 133 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -196,12 +196,13 @@ 196 196 197 197 [[image:1653268227651-549.png||height="592" width="720"]] 198 198 189 + 199 199 ((( 200 200 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: 201 201 ))) 202 202 203 203 ((( 204 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 195 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN. 205 205 ))) 206 206 207 207 ((( ... ... @@ -211,6 +211,7 @@ 211 211 212 212 [[image:1652953462722-299.png]] 213 213 205 + 214 214 ((( 215 215 ((( 216 216 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: ... ... @@ -217,7 +217,7 @@ 217 217 ))) 218 218 219 219 ((( 220 -Add APP EUI in the application. 212 +**Add APP EUI in the application.** 221 221 ))) 222 222 ))) 223 223 ... ... @@ -233,13 +233,15 @@ 233 233 234 234 [[image:1652953542269-423.png||height="710" width="723"]] 235 235 236 -Add APP KEY and DEV EUI 237 237 229 + 230 +**Add APP KEY and DEV EUI** 231 + 238 238 [[image:1652953553383-907.png||height="514" width="724"]] 239 239 240 240 241 241 ((( 242 -**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. 236 +(% 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. 243 243 ))) 244 244 245 245 [[image:1652953568895-172.png||height="232" width="724"]] ... ... @@ -250,7 +250,7 @@ 250 250 ((( 251 251 ((( 252 252 ((( 253 -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.247 +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. 254 254 ))) 255 255 ))) 256 256 ... ... @@ -325,6 +325,7 @@ 325 325 ))) 326 326 ))) 327 327 322 + 328 328 === 3.3.2 Configure sensors === 329 329 330 330 ((( ... ... @@ -349,6 +349,7 @@ 349 349 ))) 350 350 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 351 351 347 + 352 352 === 3.3.3 Configure read commands for each sampling === 353 353 354 354 ((( ... ... @@ -361,7 +361,7 @@ 361 361 During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 362 362 363 363 364 -**Each RS485 commands include two parts:** 360 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 365 365 366 366 ~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. 367 367 ... ... @@ -376,11 +376,11 @@ 376 376 Below are examples for the how above AT Commands works. 377 377 378 378 379 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 375 +(% 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: 380 380 381 381 (% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 382 382 |(% style="width:496px" %)((( 383 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 379 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 384 384 385 385 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 386 386 ... ... @@ -392,7 +392,7 @@ 392 392 In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 393 393 394 394 395 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 391 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 396 396 397 397 (% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 398 398 |(% style="width:510px" %)((( ... ... @@ -405,20 +405,21 @@ 405 405 406 406 **Examples:** 407 407 408 -* Grab bytes :404 +* (% style="color:#037691" %)**Grab bytes** 409 409 410 410 [[image:image-20220602153621-1.png]] 411 411 412 412 413 -* Grab a section .409 +* (% style="color:#037691" %)**Grab a section** 414 414 415 415 [[image:image-20220602153621-2.png]] 416 416 417 417 418 -* Grab different sections .414 +* (% style="color:#037691" %)**Grab different sections** 419 419 420 420 [[image:image-20220602153621-3.png]] 421 421 418 + 422 422 423 423 ))) 424 424 ... ... @@ -527,7 +527,7 @@ 527 527 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 528 528 529 529 530 -== 3.5 Configure RS485- BL via AT or Downlink ==527 +== 3.5 Configure RS485-LN via AT or Downlink == 531 531 532 532 ((( 533 533 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands ... ... @@ -693,7 +693,7 @@ 693 693 ==== **Set Payload version** ==== 694 694 695 695 ((( 696 -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.693 +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. 697 697 ))) 698 698 699 699 * ((( ... ... @@ -791,7 +791,7 @@ 791 791 XX XX XX XX: AT+COMMAND or AT+DATACUT command 792 792 ))) 793 793 * ((( 794 -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.791 +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. 795 795 ))) 796 796 797 797 ((( ... ... @@ -1230,7 +1230,7 @@ 1230 1230 == 5.1 Access AT Command == 1231 1231 1232 1232 ((( 1233 -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.1230 +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. 1234 1234 ))) 1235 1235 1236 1236 [[image:1654162355560-817.png]] ... ... @@ -1237,7 +1237,7 @@ 1237 1237 1238 1238 1239 1239 ((( 1240 -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:1237 +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: 1241 1241 ))) 1242 1242 1243 1243 [[image:1654162368066-342.png]] ... ... @@ -1386,9 +1386,9 @@ 1386 1386 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1387 1387 1388 1388 1389 -== 6.3 How many RS485-Slave can RS485- BL connects? ==1386 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1390 1390 1391 -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"]].1388 +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"]]. 1392 1392 1393 1393 1394 1394 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==