Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -60,7 +60,7 @@ 60 60 * Power Consumption (exclude RS485 device): 61 61 ** Idle: 6uA@3.3v 62 62 63 -* 63 +* 64 64 ** 20dB Transmit: 130mA@3.3v 65 65 66 66 **Interface for Model:** ... ... @@ -397,7 +397,7 @@ 397 397 398 398 **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 399 399 400 -(% border="1" class="table-bordered" style="background-color:#f fffcc; color:green; width:501px" %)400 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %) 401 401 |(% style="width:498px" %)((( 402 402 **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 403 403 ... ... @@ -412,7 +412,7 @@ 412 412 413 413 **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 414 414 415 -(% border="1" class="table-bordered" style="background-color:#f fffcc; color:green; width:580px" %)415 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %) 416 416 |(% style="width:577px" %)((( 417 417 **AT+SEARCHx=aa,xx xx xx xx xx** 418 418 ... ... @@ -430,7 +430,6 @@ 430 430 431 431 [[image:1653271044481-711.png]] 432 432 433 - 434 434 1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 435 435 436 436 If we set AT+SEARCH1=2, 1E 56 34+31 00 49 ... ... @@ -437,12 +437,12 @@ 437 437 438 438 Device will search the bytes between 1E 56 34 and 31 00 49. So it is(% style="background-color:yellow" %) **2e 30 58 5f 36 41 30** 439 439 440 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]439 +[[image:1653271276735-972.png]] 441 441 442 - 443 443 **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 444 444 445 -|((( 443 +(% style="background-color:#4f81bd; color:white; width:729px" %) 444 +|(% style="width:726px" %)((( 446 446 **AT+DATACUTx=a,b,c** 447 447 448 448 * **a: length for the return of AT+COMMAND** ... ... @@ -454,85 +454,123 @@ 454 454 455 455 * Grab bytes: 456 456 457 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]456 +[[image:1653271581490-837.png||height="313" width="722"]] 458 458 459 459 * Grab a section. 460 460 461 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]460 +[[image:1653271648378-342.png||height="326" width="720"]] 462 462 463 463 * Grab different sections. 464 464 465 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]464 +[[image:1653271657255-576.png||height="305" width="730"]] 466 466 466 +((( 467 +(% style="color:red" %)**Note:** 468 +))) 467 467 468 -Note: 469 - 470 +((( 470 470 AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0. 472 +))) 471 471 472 -Example: 474 +((( 475 +**Example:** 476 +))) 473 473 474 -AT+COMMAND1=11 01 1E D0,0 478 +((( 479 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0 480 +))) 475 475 476 -AT+SEARCH1=1,1E 56 34 482 +((( 483 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34 484 +))) 477 477 478 -AT+DATACUT1=0,2,1~~5 486 +((( 487 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5 488 +))) 479 479 480 -Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 490 +((( 491 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 492 +))) 481 481 482 -String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 494 +((( 495 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 496 +))) 483 483 484 -Valid payload after DataCUT command: 2e 30 58 5f 36 498 +((( 499 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36 500 +))) 485 485 486 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]502 +[[image:1653271763403-806.png]] 487 487 504 +=== 3.3.4 Compose the uplink payload === 488 488 489 - 490 - 491 -1. 492 -11. 493 -111. Compose the uplink payload 494 - 506 +((( 495 495 Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.** 508 +))) 496 496 510 +((( 511 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0** 512 +))) 497 497 498 -**Examples: AT+DATAUP=0** 514 +((( 515 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**. 516 +))) 499 499 500 -Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**. 501 - 518 +((( 502 502 Final Payload is 520 +))) 503 503 504 -Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx 522 +((( 523 +(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx 524 +))) 505 505 526 +((( 506 506 Where PAYVER is defined by AT+PAYVER, below is an example screen shot. 528 +))) 507 507 508 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]530 +[[image:1653272787040-634.png||height="515" width="719"]] 509 509 532 +((( 533 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 534 +))) 510 510 536 +((( 537 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 538 +))) 511 511 512 -**Examples: AT+DATAUP=1** 513 - 514 -Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**. 515 - 540 +((( 516 516 Final Payload is 542 +))) 517 517 518 -Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 544 +((( 545 +(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 546 +))) 519 519 520 -1. Battery Info (2 bytes): Battery voltage 521 -1. PAYVER (1 byte): Defined by AT+PAYVER 522 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 523 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 524 -1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes 548 +1. ((( 549 +Battery Info (2 bytes): Battery voltage 550 +))) 551 +1. ((( 552 +PAYVER (1 byte): Defined by AT+PAYVER 553 +))) 554 +1. ((( 555 +PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 556 +))) 557 +1. ((( 558 +PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 559 +))) 560 +1. ((( 561 +DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes 562 +))) 525 525 526 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]564 +[[image:1653272817147-600.png||height="437" width="717"]] 527 527 528 - 529 529 So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 530 530 531 -DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41 568 +DATA1=RETURN1 Valid Value = ~(% style="background-color:#4f81bd;color:white" %)(% style="display:none" %) (%%)20 20 0a 33 90 41 532 532 533 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20 570 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= ~(% style="background-color:#4f81bd;color:white" %)(% style="display:none" %) (%%)02 aa 05 81 0a 20 534 534 535 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30 572 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =~(% style="background-color:#4f81bd;color:white" %)(% style="display:none" %) (%%) 20 20 20 2d 30 536 536 537 537 538 538 ... ... @@ -553,8 +553,8 @@ 553 553 554 554 555 555 556 -1. 557 -11. 593 +1. 594 +11. 558 558 111. Uplink on demand 559 559 560 560 Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command. ... ... @@ -567,8 +567,8 @@ 567 567 568 568 569 569 570 -1. 571 -11. 607 +1. 608 +11. 572 572 111. Uplink on Interrupt 573 573 574 574 Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] ... ... @@ -582,7 +582,7 @@ 582 582 AT+INTMOD=3 Interrupt trigger by rising edge. 583 583 584 584 585 -1. 622 +1. 586 586 11. Uplink Payload 587 587 588 588 |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** ... ... @@ -644,15 +644,15 @@ 644 644 645 645 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 646 646 647 -1. 648 -11. 684 +1. 685 +11. 649 649 111. Common Commands: 650 650 651 651 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]] 652 652 653 653 654 -1. 655 -11. 691 +1. 692 +11. 656 656 111. Sensor related commands: 657 657 658 658 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -958,13 +958,13 @@ 958 958 959 959 960 960 961 -1. 998 +1. 962 962 11. Buttons 963 963 964 964 |**Button**|**Feature** 965 965 |**RST**|Reboot RS485-BL 966 966 967 -1. 1004 +1. 968 968 11. +3V3 Output 969 969 970 970 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -982,7 +982,7 @@ 982 982 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 983 983 984 984 985 -1. 1022 +1. 986 986 11. +5V Output 987 987 988 988 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -1002,13 +1002,13 @@ 1002 1002 1003 1003 1004 1004 1005 -1. 1042 +1. 1006 1006 11. LEDs 1007 1007 1008 1008 |**LEDs**|**Feature** 1009 1009 |**LED1**|Blink when device transmit a packet. 1010 1010 1011 -1. 1048 +1. 1012 1012 11. Switch Jumper 1013 1013 1014 1014 |**Switch Jumper**|**Feature** ... ... @@ -1054,7 +1054,7 @@ 1054 1054 1055 1055 1056 1056 1057 -1. 1094 +1. 1058 1058 11. Common AT Command Sequence 1059 1059 111. Multi-channel ABP mode (Use with SX1301/LG308) 1060 1060 ... ... @@ -1073,8 +1073,8 @@ 1073 1073 1074 1074 ATZ 1075 1075 1076 -1. 1077 -11. 1113 +1. 1114 +11. 1078 1078 111. Single-channel ABP mode (Use with LG01/LG02) 1079 1079 1080 1080 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1149,7 +1149,7 @@ 1149 1149 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] 1150 1150 1151 1151 1152 -1. 1189 +1. 1153 1153 11. How to change the LoRa Frequency Bands/Region? 1154 1154 1155 1155 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1156,7 +1156,7 @@ 1156 1156 1157 1157 1158 1158 1159 -1. 1196 +1. 1160 1160 11. How many RS485-Slave can RS485-BL connects? 1161 1161 1162 1162 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>>path:#downlink_A8]]. ... ... @@ -1173,7 +1173,7 @@ 1173 1173 1174 1174 1175 1175 1176 -1. 1213 +1. 1177 1177 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1178 1178 1179 1179 It might about the channels mapping. Please see for detail.
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