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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... ... @@ -69,11 +69,13 @@ 69 69 ** Idle: 32mA@12v 70 70 ** 20dB Transmit: 65mA@12v 71 71 72 + 72 72 **Interface for Model:** 73 73 74 74 * RS485 75 75 * Power Input 7~~ 24V DC. 76 76 78 + 77 77 **LoRa Spec:** 78 78 79 79 * Frequency Range: ... ... @@ -247,7 +247,7 @@ 247 247 ((( 248 248 ((( 249 249 ((( 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-L NviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.252 +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. 251 251 ))) 252 252 ))) 253 253 ... ... @@ -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 - (% style="color:#037691" %)**Each RS485 commands include two parts:**366 +**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 - (% 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:381 +**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 - (% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**385 +**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 - (% style="color:#037691" %)**AT+DATACUTx**(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.397 +**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" %)((( ... ... @@ -405,21 +405,20 @@ 405 405 406 406 **Examples:** 407 407 408 -* (% style="color:#037691" %)**Grab bytes**410 +* Grab bytes: 409 409 410 410 [[image:image-20220602153621-1.png]] 411 411 412 412 413 -* (% style="color:#037691" %)**Grab a section**415 +* Grab a section. 414 414 415 415 [[image:image-20220602153621-2.png]] 416 416 417 417 418 -* (% style="color:#037691" %)**Grab different sections**420 +* Grab different sections. 419 419 420 420 [[image:image-20220602153621-3.png]] 421 421 422 - 423 423 424 424 ))) 425 425 ... ... @@ -528,7 +528,7 @@ 528 528 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 529 529 530 530 531 -== 3.5 Configure RS485-L Nvia AT or Downlink ==532 +== 3.5 Configure RS485-BL via AT or Downlink == 532 532 533 533 ((( 534 534 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands ... ... @@ -694,7 +694,7 @@ 694 694 ==== **Set Payload version** ==== 695 695 696 696 ((( 697 -This is the first byte of the uplink payload. RS485-L Ncan connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.698 +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. 698 698 ))) 699 699 700 700 * ((( ... ... @@ -792,7 +792,7 @@ 792 792 XX XX XX XX: AT+COMMAND or AT+DATACUT command 793 793 ))) 794 794 * ((( 795 -YY: If YY=0, RS485-L Nwill execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.796 +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. 796 796 ))) 797 797 798 798 ((( ... ... @@ -1231,7 +1231,7 @@ 1231 1231 == 5.1 Access AT Command == 1232 1232 1233 1233 ((( 1234 -RS485-L Nsupports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LNto use AT command, as below.1235 +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. 1235 1235 ))) 1236 1236 1237 1237 [[image:1654162355560-817.png]] ... ... @@ -1238,7 +1238,7 @@ 1238 1238 1239 1239 1240 1240 ((( 1241 -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-L N. The default password is 123456. Below is the output for reference:1242 +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: 1242 1242 ))) 1243 1243 1244 1244 [[image:1654162368066-342.png]] ... ... @@ -1387,9 +1387,9 @@ 1387 1387 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1388 1388 1389 1389 1390 -== 6.3 How many RS485-Slave can RS485-L Nconnects? ==1391 +== 6.3 How many RS485-Slave can RS485-BL connects? == 1391 1391 1392 -The RS485-L Ncan support max 32 RS485 devices. Each uplink command of RS485-LNcan support max 16 different RS485 command. So RS485-LNcan 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"]].1393 +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"]]. 1393 1393 1394 1394 1395 1395 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==