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: ... ... @@ -202,7 +202,7 @@ 202 202 ))) 203 203 204 204 ((( 205 - **(% style="color:blue" %)Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.201 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN. 206 206 ))) 207 207 208 208 ((( ... ... @@ -243,7 +243,7 @@ 243 243 244 244 245 245 ((( 246 - **(% 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.242 +(% 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. 247 247 ))) 248 248 249 249 [[image:1652953568895-172.png||height="232" width="724"]] ... ... @@ -254,7 +254,7 @@ 254 254 ((( 255 255 ((( 256 256 ((( 257 -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.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-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. 258 258 ))) 259 259 ))) 260 260 ... ... @@ -329,6 +329,7 @@ 329 329 ))) 330 330 ))) 331 331 328 + 332 332 === 3.3.2 Configure sensors === 333 333 334 334 ((( ... ... @@ -353,6 +353,7 @@ 353 353 ))) 354 354 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 355 355 353 + 356 356 === 3.3.3 Configure read commands for each sampling === 357 357 358 358 ((( ... ... @@ -365,7 +365,7 @@ 365 365 During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 366 366 367 367 368 -**Each RS485 commands include two parts:** 366 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 369 369 370 370 ~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. 371 371 ... ... @@ -380,11 +380,11 @@ 380 380 Below are examples for the how above AT Commands works. 381 381 382 382 383 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 381 +(% 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: 384 384 385 385 (% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 386 386 |(% style="width:496px" %)((( 387 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 385 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 388 388 389 389 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 390 390 ... ... @@ -396,7 +396,7 @@ 396 396 In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 397 397 398 398 399 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 397 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 400 400 401 401 (% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 402 402 |(% style="width:510px" %)((( ... ... @@ -409,20 +409,21 @@ 409 409 410 410 **Examples:** 411 411 412 -* Grab bytes :410 +* (% style="color:#037691" %)**Grab bytes** 413 413 414 414 [[image:image-20220602153621-1.png]] 415 415 416 416 417 -* Grab a section .415 +* (% style="color:#037691" %)**Grab a section** 418 418 419 419 [[image:image-20220602153621-2.png]] 420 420 421 421 422 -* Grab different sections .420 +* (% style="color:#037691" %)**Grab different sections** 423 423 424 424 [[image:image-20220602153621-3.png]] 425 425 424 + 426 426 427 427 ))) 428 428 ... ... @@ -531,7 +531,7 @@ 531 531 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 532 532 533 533 534 -== 3.5 Configure RS485- BL via AT or Downlink ==533 +== 3.5 Configure RS485-LN via AT or Downlink == 535 535 536 536 ((( 537 537 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands ... ... @@ -697,7 +697,7 @@ 697 697 ==== **Set Payload version** ==== 698 698 699 699 ((( 700 -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.699 +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. 701 701 ))) 702 702 703 703 * ((( ... ... @@ -795,7 +795,7 @@ 795 795 XX XX XX XX: AT+COMMAND or AT+DATACUT command 796 796 ))) 797 797 * ((( 798 -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.797 +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. 799 799 ))) 800 800 801 801 ((( ... ... @@ -1234,7 +1234,7 @@ 1234 1234 == 5.1 Access AT Command == 1235 1235 1236 1236 ((( 1237 -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.1236 +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. 1238 1238 ))) 1239 1239 1240 1240 [[image:1654162355560-817.png]] ... ... @@ -1241,7 +1241,7 @@ 1241 1241 1242 1242 1243 1243 ((( 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- BL. The default password is 123456. Below is the output for reference:1243 +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: 1245 1245 ))) 1246 1246 1247 1247 [[image:1654162368066-342.png]] ... ... @@ -1390,9 +1390,9 @@ 1390 1390 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1391 1391 1392 1392 1393 -== 6.3 How many RS485-Slave can RS485- BL connects? ==1392 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1394 1394 1395 -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"]].1394 +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"]]. 1396 1396 1397 1397 1398 1398 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==