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: ... ... @@ -97,6 +97,7 @@ 97 97 98 98 99 99 104 + 100 100 == 1.3 Features == 101 101 102 102 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -110,6 +110,7 @@ 110 110 111 111 112 112 118 + 113 113 == 1.4 Applications == 114 114 115 115 * Smart Buildings & Home Automation ... ... @@ -121,6 +121,7 @@ 121 121 122 122 123 123 130 + 124 124 == 1.5 Firmware Change log == 125 125 126 126 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -195,7 +195,7 @@ 195 195 ))) 196 196 197 197 ((( 198 -(% style="color:blue" %) **Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.205 +**(% style="color:blue" %)Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN. 199 199 ))) 200 200 201 201 ((( ... ... @@ -236,7 +236,7 @@ 236 236 237 237 238 238 ((( 239 -(% 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.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. 240 240 ))) 241 241 242 242 [[image:1652953568895-172.png||height="232" width="724"]] ... ... @@ -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.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. 251 251 ))) 252 252 ))) 253 253 ... ... @@ -322,9 +322,6 @@ 322 322 ))) 323 323 ))) 324 324 325 - 326 - 327 - 328 328 === 3.3.2 Configure sensors === 329 329 330 330 ((( ... ... @@ -349,9 +349,6 @@ 349 349 ))) 350 350 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 351 351 352 - 353 - 354 - 355 355 === 3.3.3 Configure read commands for each sampling === 356 356 357 357 ((( ... ... @@ -364,7 +364,7 @@ 364 364 During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 365 365 366 366 367 - (% style="color:#037691" %)**Each RS485 commands include two parts:**368 +**Each RS485 commands include two parts:** 368 368 369 369 ~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. 370 370 ... ... @@ -375,14 +375,15 @@ 375 375 376 376 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 377 377 379 + 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:383 +**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**387 +**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.399 +**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**412 +* Grab bytes: 411 411 412 412 [[image:image-20220602153621-1.png]] 413 413 414 414 415 -* (% style="color:#037691" %)**Grab a section**417 +* Grab a section. 416 416 417 417 [[image:image-20220602153621-2.png]] 418 418 419 419 420 -* (% style="color:#037691" %)**Grab different sections**422 +* Grab different sections. 421 421 422 422 [[image:image-20220602153621-3.png]] 423 423 424 - 425 425 426 426 ))) 427 427 ... ... @@ -501,7 +501,6 @@ 501 501 [[image:1654157178836-407.png]] 502 502 503 503 504 - 505 505 === 3.3.5 Uplink on demand === 506 506 507 507 Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command. ... ... @@ -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-L Nvia AT or Downlink ==534 +== 3.5 Configure RS485-BL 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-L Ncan connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.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. 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-L Nwill execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.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. 799 799 ))) 800 800 801 801 ((( ... ... @@ -1234,7 +1234,7 @@ 1234 1234 == 5.1 Access AT Command == 1235 1235 1236 1236 ((( 1237 -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.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. 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-L N. The default password is 123456. Below is the output for reference: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: 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-L Nconnects? ==1393 +== 6.3 How many RS485-Slave can RS485-BL connects? == 1394 1394 1395 -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"]].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"]]. 1396 1396 1397 1397 1398 1398 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==