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 +69,15 @@ 69 69 ** Idle: 32mA@12v 70 70 ** 20dB Transmit: 65mA@12v 71 71 72 + 73 + 72 72 **Interface for Model:** 73 73 74 74 * RS485 75 75 * Power Input 7~~ 24V DC. 76 76 79 + 80 + 77 77 **LoRa Spec:** 78 78 79 79 * Frequency Range: ... ... @@ -192,13 +192,12 @@ 192 192 193 193 [[image:1653268227651-549.png||height="592" width="720"]] 194 194 195 - 196 196 ((( 197 197 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: 198 198 ))) 199 199 200 200 ((( 201 - (% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.204 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 202 202 ))) 203 203 204 204 ((( ... ... @@ -208,7 +208,6 @@ 208 208 209 209 [[image:1652953462722-299.png]] 210 210 211 - 212 212 ((( 213 213 ((( 214 214 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: ... ... @@ -215,7 +215,7 @@ 215 215 ))) 216 216 217 217 ((( 218 - **Add APP EUI in the application.**220 +Add APP EUI in the application. 219 219 ))) 220 220 ))) 221 221 ... ... @@ -231,15 +231,13 @@ 231 231 232 232 [[image:1652953542269-423.png||height="710" width="723"]] 233 233 236 +Add APP KEY and DEV EUI 234 234 235 - 236 -**Add APP KEY and DEV EUI** 237 - 238 238 [[image:1652953553383-907.png||height="514" width="724"]] 239 239 240 240 241 241 ((( 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.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. 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-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.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. 254 254 ))) 255 255 ))) 256 256 ... ... @@ -325,7 +325,6 @@ 325 325 ))) 326 326 ))) 327 327 328 - 329 329 === 3.3.2 Configure sensors === 330 330 331 331 ((( ... ... @@ -350,7 +350,6 @@ 350 350 ))) 351 351 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 352 352 353 - 354 354 === 3.3.3 Configure read commands for each sampling === 355 355 356 356 ((( ... ... @@ -363,7 +363,7 @@ 363 363 During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 364 364 365 365 366 - (% style="color:#037691" %)**Each RS485 commands include two parts:**364 +**Each RS485 commands include two parts:** 367 367 368 368 ~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. 369 369 ... ... @@ -378,11 +378,11 @@ 378 378 Below are examples for the how above AT Commands works. 379 379 380 380 381 - (% 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:379 +**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 382 382 383 383 (% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 384 384 |(% style="width:496px" %)((( 385 - (% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**383 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 386 386 387 387 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 388 388 ... ... @@ -394,7 +394,7 @@ 394 394 In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 395 395 396 396 397 - (% style="color:#037691" %)**AT+DATACUTx**(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.395 +**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 398 398 399 399 (% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 400 400 |(% style="width:510px" %)((( ... ... @@ -407,21 +407,20 @@ 407 407 408 408 **Examples:** 409 409 410 -* (% style="color:#037691" %)**Grab bytes**408 +* Grab bytes: 411 411 412 412 [[image:image-20220602153621-1.png]] 413 413 414 414 415 -* (% style="color:#037691" %)**Grab a section**413 +* Grab a section. 416 416 417 417 [[image:image-20220602153621-2.png]] 418 418 419 419 420 -* (% style="color:#037691" %)**Grab different sections**418 +* Grab different sections. 421 421 422 422 [[image:image-20220602153621-3.png]] 423 423 424 - 425 425 426 426 ))) 427 427 ... ... @@ -530,7 +530,7 @@ 530 530 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 531 531 532 532 533 -== 3.5 Configure RS485-L Nvia AT or Downlink ==530 +== 3.5 Configure RS485-BL via AT or Downlink == 534 534 535 535 ((( 536 536 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands ... ... @@ -696,7 +696,7 @@ 696 696 ==== **Set Payload version** ==== 697 697 698 698 ((( 699 -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.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. 700 700 ))) 701 701 702 702 * ((( ... ... @@ -794,7 +794,7 @@ 794 794 XX XX XX XX: AT+COMMAND or AT+DATACUT command 795 795 ))) 796 796 * ((( 797 -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.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. 798 798 ))) 799 799 800 800 ((( ... ... @@ -1233,7 +1233,7 @@ 1233 1233 == 5.1 Access AT Command == 1234 1234 1235 1235 ((( 1236 -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.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. 1237 1237 ))) 1238 1238 1239 1239 [[image:1654162355560-817.png]] ... ... @@ -1240,7 +1240,7 @@ 1240 1240 1241 1241 1242 1242 ((( 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-L N. The default password is 123456. Below is the output for reference: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: 1244 1244 ))) 1245 1245 1246 1246 [[image:1654162368066-342.png]] ... ... @@ -1389,9 +1389,9 @@ 1389 1389 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1390 1390 1391 1391 1392 -== 6.3 How many RS485-Slave can RS485-L Nconnects? ==1389 +== 6.3 How many RS485-Slave can RS485-BL connects? == 1393 1393 1394 -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"]].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"]]. 1395 1395 1396 1396 1397 1397 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==