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... ... @@ -6,18 +6,12 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 -
20 -
21 21  = 1.Introduction =
22 22  
23 23  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -80,10 +80,8 @@
80 80  * Preamble detection.
81 81  * 127 dB Dynamic Range RSSI.
82 82  * Automatic RF Sense and CAD with ultra-fast AFC.
83 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
84 84  
85 -
86 -
87 87  == 1.3 Features ==
88 88  
89 89  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -95,8 +95,6 @@
95 95  * Support Modbus protocol
96 96  * Support Interrupt uplink (Since hardware version v1.2)
97 97  
98 -
99 -
100 100  == 1.4 Applications ==
101 101  
102 102  * Smart Buildings & Home Automation
... ... @@ -106,8 +106,6 @@
106 106  * Smart Cities
107 107  * Smart Factory
108 108  
109 -
110 -
111 111  == 1.5 Firmware Change log ==
112 112  
113 113  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -171,7 +171,7 @@
171 171  [[image:1653268227651-549.png||height="592" width="720"]]
172 172  
173 173  (((
174 -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:
162 +The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
175 175  )))
176 176  
177 177  (((
... ... @@ -482,68 +482,110 @@
482 482  Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
483 483  
484 484  
485 -== 3.4 Uplink Payload ==
473 +1.
474 +11. Uplink Payload
486 486  
487 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
488 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
489 -|Value|(% style="width:120px" %)(((
476 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
477 +|Value|(((
490 490  Battery(mV)
491 491  
492 492  &
493 493  
494 494  Interrupt _Flag
495 -)))|(% style="width:116px" %)(((
483 +)))|(((
496 496  PAYLOAD_VER
497 497  
498 498  
499 -)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
487 +)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
500 500  
501 501  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
502 502  
503 503  
504 -== 3.5 Configure RS485-BL via AT or Downlink ==
492 +function Decoder(bytes, port) {
505 505  
506 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
494 +~/~/Payload Formats of RS485-BL Deceive
507 507  
496 +return {
497 +
498 + ~/~/Battery,units:V
499 +
500 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
501 +
502 + ~/~/GPIO_EXTI 
503 +
504 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
505 +
506 + ~/~/payload of version
507 +
508 + Pay_ver:bytes[2],
509 +
510 + };
511 +
512 + }
513 +
514 +
515 +
516 +
517 +
518 +
519 +
520 +TTN V3 uplink screen shot.
521 +
522 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
523 +
524 +1.
525 +11. Configure RS485-BL via AT or Downlink
526 +
527 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
528 +
508 508  There are two kinds of Commands:
509 509  
510 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
531 +* **Common Commands**: They should be available for each sensor, 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
511 511  
512 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
533 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
513 513  
514 -=== 3.5.1 Common Commands ===
535 +1.
536 +11.
537 +111. Common Commands:
515 515  
516 -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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
539 +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]]
517 517  
518 518  
519 -=== 3.5.2 Sensor related commands ===
542 +1.
543 +11.
544 +111. Sensor related commands:
520 520  
521 -Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
546 +==== Choose Device Type (RS485 or TTL) ====
522 522  
523 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
548 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
524 524  
525 -The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
550 +* AT Command
526 526  
552 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
527 527  
528 -=== 3.5.3 Sensor related commands ===
554 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
529 529  
530 530  
557 +* Downlink Payload
531 531  
532 -==== **RS485 Debug Command** ====
559 +**0A aa**     à same as AT+MOD=aa
533 533  
534 -This command is used to configure the RS485 devices; they won’t be used during sampling.
535 535  
536 -* **AT Command**
537 537  
538 -(% class="box infomessage" %)
539 -(((
540 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
541 -)))
563 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
542 542  
543 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
565 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
544 544  
545 -* **Downlink Payload**
567 +* AT Command
546 546  
569 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
570 +
571 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
572 +
573 +
574 +
575 +* Downlink Payload
576 +
547 547  Format: A8 MM NN XX XX XX XX YY
548 548  
549 549  Where:
... ... @@ -551,12 +551,9 @@
551 551  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
552 552  * NN: The length of RS485 command
553 553  * XX XX XX XX: RS485 command total NN bytes
554 -* YY: How many bytes will be uplink from the return of this RS485 command,
555 -** if YY=0, RS485-LN will execute the downlink command without uplink;
556 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
557 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
584 +* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
558 558  
559 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
586 +**Example 1:**
560 560  
561 561  To connect a Modbus Alarm with below commands.
562 562  
... ... @@ -566,190 +566,184 @@
566 566  
567 567  So if user want to use downlink command to control to RS485 Alarm, he can use:
568 568  
569 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
596 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
570 570  
571 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
598 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
572 572  
573 573  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
574 574  
575 575  
576 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
603 +**Example 2:**
577 577  
578 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
605 +Check TTL Sensor return:
579 579  
607 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
580 580  
581 -RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
582 582  
583 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
584 584  
585 - [[image:1654159460680-153.png]]
586 586  
612 +==== Set Payload version ====
587 587  
588 -
589 -==== **Set Payload version** ====
590 -
591 591  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.
592 592  
593 -* **AT Command:**
616 +* AT Command:
594 594  
595 -(% class="box infomessage" %)
596 -(((
597 -**AT+PAYVER: Set PAYVER field = 1**
598 -)))
618 +AT+PAYVER: Set PAYVER field = 1
599 599  
600 -* **Downlink Payload:**
601 601  
602 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
621 +* Downlink Payload:
603 603  
604 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
623 +0xAE 01   à Set PAYVER field =  0x01
605 605  
625 +0xAE 0F   à Set PAYVER field =  0x0F
606 606  
607 607  
608 -==== **Set RS485 Sampling Commands** ====
628 +==== Set RS485 Sampling Commands ====
609 609  
610 -AT+COMMANDx or AT+DATACUTx
630 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
611 611  
612 -These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
632 +These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
613 613  
614 614  
615 -* **AT Command:**
635 +* AT Command:
616 616  
617 -(% class="box infomessage" %)
618 -(((
619 -**AT+COMMANDx: Configure RS485 read command to sensor.**
620 -)))
637 +AT+COMMANDx: Configure RS485 read command to sensor.
621 621  
622 -(% class="box infomessage" %)
623 -(((
624 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
625 -)))
639 +AT+DATACUTx: Configure how to handle return from RS485 devices.
626 626  
641 +AT+SEARCHx: Configure search command
627 627  
628 -* **Downlink Payload:**
629 629  
630 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
644 +* Downlink Payload:
631 631  
632 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
646 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
633 633  
648 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
649 +
634 634  Format: AF MM NN LL XX XX XX XX YY
635 635  
636 636  Where:
637 637  
638 638  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
639 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
640 -* LL:  The length of AT+COMMAND or AT+DATACUT command
655 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
656 +* LL: The length of AT+COMMAND or AT+DATACUT command
641 641  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
642 -* 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.
658 +* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
643 643  
644 -**Example:**
660 +Example:
645 645  
646 -(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
662 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
647 647  
648 -(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
664 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
649 649  
650 -(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
666 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
651 651  
652 652  
669 +0xAB downlink command can be used for set AT+SEARCHx
653 653  
654 -==== **Fast command to handle MODBUS device** ====
671 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
655 655  
673 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
674 +* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
675 +
676 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
677 +
678 +
679 +==== Fast command to handle MODBUS device ====
680 +
656 656  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
657 657  
658 658  This command is valid since v1.3 firmware version
659 659  
660 -AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
661 661  
686 +AT+MBFUN has only two value:
662 662  
663 -**Example:**
688 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
664 664  
665 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
666 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
667 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
690 +AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
668 668  
669 -[[image:image-20220602165351-6.png]]
692 +* AT+MBFUN=0: Disable Modbus fast reading.
670 670  
671 -[[image:image-20220602165351-7.png]]
694 +Example:
672 672  
696 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
697 +* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
698 +* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
673 673  
700 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
674 674  
675 -==== **RS485 command timeout** ====
676 676  
677 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
703 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
678 678  
679 -Default value: 0, range:  0 ~~ 65 seconds
680 680  
681 -* **AT Command:**
706 +* Downlink Commands:
682 682  
683 -(% class="box infomessage" %)
684 -(((
685 -**AT+CMDDLaa=hex(bb cc)*1000**
686 -)))
708 +A9 aa -à Same as AT+MBFUN=aa
687 687  
688 -**Example:**
689 689  
690 -**AT+CMDDL1=1000** to send the open time to 1000ms
711 +==== RS485 command timeout ====
691 691  
713 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
692 692  
693 -* **Downlink Payload:**
715 +Default value: 0, range:  0 ~~ 5 seconds
694 694  
695 -**0x AA aa bb cc**
696 696  
697 -Same as: AT+CMDDLaa=hex(bb cc)*1000
718 +* AT Command:
698 698  
699 - **Example:**
720 +AT+CMDDLaa=hex(bb cc)
700 700  
701 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
722 +Example:
702 702  
724 +**AT+CMDDL1=1000** to send the open time to 1000ms
703 703  
704 704  
705 -==== **Uplink payload mode** ====
727 +* Downlink Payload:
706 706  
707 -Define to use one uplink or multiple uplinks for the sampling.
729 +0x AA aa bb cc
708 708  
709 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
731 +Same as: AT+CMDDLaa=hex(bb cc)
710 710  
711 -* **AT Command:**
733 + Example:
712 712  
713 -(% class="box infomessage" %)
714 -(((
715 -**AT+DATAUP=0**
716 -)))
735 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
717 717  
718 -(% class="box infomessage" %)
719 -(((
720 -**AT+DATAUP=1**
721 -)))
722 722  
738 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
723 723  
724 -* **Downlink Payload:**
740 +Define to use one uplink or multiple uplinks for the sampling.
725 725  
726 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
742 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
727 727  
728 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
744 +* AT Command:
729 729  
746 +AT+DATAUP=0
730 730  
748 +AT+DATAUP=1
731 731  
732 -==== **Manually trigger an Uplink** ====
733 733  
734 -Ask device to send an uplink immediately.
751 +* Downlink Payload:
735 735  
736 -* **AT Command:**
753 +0xAD 00   à Same as AT+DATAUP=0
737 737  
738 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
755 +0xAD 01   à Same as AT+DATAUP=1
739 739  
740 740  
741 -* **Downlink Payload:**
758 +==== Manually trigger an Uplink ====
742 742  
743 -**0x08 FF**, RS485-LN will immediately send an uplink.
760 +Ask device to send an uplink immediately.
744 744  
762 +* Downlink Payload:
745 745  
764 +0x08 FF, RS485-BL will immediately send an uplink.
746 746  
747 -==== **Clear RS485 Command** ====
748 748  
767 +==== Clear RS485 Command ====
768 +
749 749  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
750 750  
751 -* **AT Command:**
752 752  
772 +* AT Command:
773 +
753 753  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
754 754  
755 755  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -757,50 +757,43 @@
757 757  Example screen shot after clear all RS485 commands. 
758 758  
759 759  
781 +
760 760  The uplink screen shot is:
761 761  
762 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
784 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
763 763  
764 764  
765 -* **Downlink Payload:**
787 +* Downlink Payload:
766 766  
767 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
789 +0x09 aa bb same as AT+CMDEAR=aa,bb
768 768  
769 769  
792 +==== Set Serial Communication Parameters ====
770 770  
771 -==== **Set Serial Communication Parameters** ====
772 -
773 773  Set the Rs485 serial communication parameters:
774 774  
775 -* **AT Command:**
796 +* AT Command:
776 776  
777 777  Set Baud Rate:
778 778  
779 -(% class="box infomessage" %)
780 -(((
781 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
782 -)))
800 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
783 783  
784 -Set UART Parity
785 785  
786 -(% class="box infomessage" %)
787 -(((
788 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
789 -)))
803 +Set UART parity
790 790  
805 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
806 +
807 +
791 791  Set STOPBIT
792 792  
793 -(% class="box infomessage" %)
794 -(((
795 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
796 -)))
810 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
797 797  
798 798  
799 -* **Downlink Payload:**
813 +* Downlink Payload:
800 800  
801 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
815 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
802 802  
803 -**Example:**
817 +Example:
804 804  
805 805  * A7 01 00 60   same as AT+BAUDR=9600
806 806  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -810,287 +810,287 @@
810 810  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
811 811  
812 812  
813 -== 3.6 Listening mode for RS485 network ==
827 +==== Control output power duration ====
814 814  
815 -This feature support since firmware v1.4
829 +User can set the output power duration before each sampling.
816 816  
817 -RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
831 +* AT Command:
818 818  
819 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
833 +Example:
820 820  
821 -To enable the listening mode, use can run the command AT+RXMODE.
835 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
822 822  
837 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
823 823  
824 -(% border="1" style="background-color:#ffffcc; width:500px" %)
825 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
826 -|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
827 -|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
828 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
829 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
830 830  
831 -**Downlink Command:**
840 +* LoRaWAN Downlink Command:
832 832  
833 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
842 +07 01 aa bb  Same as AT+5VT=(aa bb)
834 834  
844 +07 02 aa bb  Same as AT+3V3T=(aa bb)
835 835  
836 -**Example**:
837 837  
838 -The RS485-LN is set to AT+RXMODE=2,1000
839 839  
840 -There is a two Modbus commands in the RS485 network as below:
841 841  
842 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
849 +1.
850 +11. Buttons
843 843  
844 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
852 +|**Button**|**Feature**
853 +|**RST**|Reboot RS485-BL
845 845  
846 -RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
855 +1.
856 +11. +3V3 Output
847 847  
848 -[[image:image-20220602171200-9.png]]
858 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
849 849  
860 +The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
850 850  
851 -(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
852 852  
863 +The +3V3 output time can be controlled by AT Command.
853 853  
854 -== 3.7 Buttons ==
865 +**AT+3V3T=1000**
855 855  
867 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
856 856  
857 -(% border="1" style="background-color:#f7faff; width:500px" %)
858 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
859 -|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
860 -|**RST**|(% style="width:1420px" %)Reboot RS485
861 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
862 862  
870 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
863 863  
864 864  
865 -== 3.8 LEDs ==
873 +1.
874 +11. +5V Output
866 866  
867 -(% border="1" style="background-color:#f7faff; width:500px" %)
868 -|=**LEDs**|=**Feature**
869 -|**PWR**|Always on if there is power
870 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
876 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
871 871  
878 +The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
872 872  
873 873  
874 -= 4. Case Study =
881 +The 5V output time can be controlled by AT Command.
875 875  
876 -User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
883 +**AT+5VT=1000**
877 877  
885 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
878 878  
879 -= 5. Use AT Command =
880 880  
881 -== 5.1 Access AT Command ==
888 +By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
882 882  
883 -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.
884 884  
885 -[[image:1654162355560-817.png]]
886 886  
887 887  
888 -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:
893 +1.
894 +11. LEDs
889 889  
890 -[[image:1654162368066-342.png]]
896 +|**LEDs**|**Feature**
897 +|**LED1**|Blink when device transmit a packet.
891 891  
899 +1.
900 +11. Switch Jumper
892 892  
893 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
902 +|**Switch Jumper**|**Feature**
903 +|**SW1**|(((
904 +ISP position: Upgrade firmware via UART
894 894  
895 -
896 -== 5.2 Common AT Command Sequence ==
897 -
898 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
899 -
900 -If device has not joined network yet:
901 -
902 -(% class="box infomessage" %)
903 -(((
904 -**AT+FDR**
906 +Flash position: Configure device, check running status.
905 905  )))
908 +|**SW2**|(((
909 +5V position: set to compatible with 5v I/O.
906 906  
907 -(% class="box infomessage" %)
908 -(((
909 -**AT+NJM=0**
911 +3.3v position: set to compatible with 3.3v I/O.,
910 910  )))
911 911  
912 -(% class="box infomessage" %)
913 -(((
914 -**ATZ**
915 -)))
914 ++3.3V: is always ON
916 916  
916 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
917 917  
918 -If device already joined network:
918 +1. Case Study
919 919  
920 -(% class="box infomessage" %)
921 -(((
922 -**AT+NJM=0**
923 -)))
920 +User can check this URL for some case studies.
924 924  
925 -(% class="box infomessage" %)
926 -(((
927 -**ATZ**
928 -)))
922 +[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
929 929  
930 930  
931 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
932 932  
933 933  
934 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
927 +1. Use AT Command
928 +11. Access AT Command
935 935  
936 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
930 +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.
937 937  
938 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
932 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
939 939  
940 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
941 941  
942 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
935 +In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
943 943  
944 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
937 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
945 945  
946 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
947 947  
948 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
949 949  
950 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
941 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
951 951  
952 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
953 953  
954 954  
955 -(% style="color:red" %)**Note:**
945 +1.
946 +11. Common AT Command Sequence
947 +111. Multi-channel ABP mode (Use with SX1301/LG308)
956 956  
957 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
958 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
959 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
960 -4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
949 +If device has not joined network yet:
961 961  
962 -[[image:1654162478620-421.png]]
951 +AT+FDR
963 963  
953 +AT+NJM=0
964 964  
965 -= 6. FAQ =
955 +ATZ
966 966  
967 -== 6.1 How to upgrade the image? ==
968 968  
969 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
958 +If device already joined network:
970 970  
971 -* Support new features
972 -* For bug fix
973 -* Change LoRaWAN bands.
960 +AT+NJM=0
974 974  
975 -Below shows the hardware connection for how to upload an image to RS485-LN:
962 +ATZ
976 976  
977 -[[image:1654162535040-878.png]]
964 +1.
965 +11.
966 +111. Single-channel ABP mode (Use with LG01/LG02)
978 978  
979 -**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
968 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
980 980  
981 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
970 +AT+NJM=0 Set to ABP mode
982 982  
983 -**Step3: **Open flashloader; choose the correct COM port to update.
972 +AT+ADR=0 Set the Adaptive Data Rate Off
984 984  
985 -(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
974 +AT+DR=5  Set Data Rate
986 986  
976 +AT+TDC=60000  Set transmit interval to 60 seconds
987 987  
988 -[[image:image-20220602175818-12.png]]
978 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
989 989  
980 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
990 990  
991 -[[image:image-20220602175848-13.png]]
982 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
992 992  
984 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
993 993  
994 -[[image:image-20220602175912-14.png]]
986 +ATZ          Reset MCU
995 995  
988 +**Note:**
996 996  
997 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
990 +1. Make sure the device is set to ABP mode in the IoT Server.
991 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
992 +1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
993 +1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
998 998  
999 -[[image:image-20220602175638-10.png]]
995 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1000 1000  
1001 1001  
1002 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
998 +1. FAQ
999 +11. How to upgrade the image?
1003 1003  
1004 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1001 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1005 1005  
1003 +* Support new features
1004 +* For bug fix
1005 +* Change LoRaWAN bands.
1006 1006  
1007 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1007 +Below shows the hardware connection for how to upload an image to RS485-BL:
1008 1008  
1009 -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"]].
1009 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1010 1010  
1011 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1011 1011  
1012 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1013 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1013 1013  
1014 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1015 +**Step3: **Open flashloader; choose the correct COM port to update.
1015 1015  
1016 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1017 1017  
1018 +|(((
1019 +HOLD PRO then press the RST button, SYS will be ON, then click next
1020 +)))
1018 1018  
1019 -= 7. Trouble Shooting =
1022 +|(((
1023 +Board detected
1024 +)))
1020 1020  
1021 -== 7.1 Downlink doesn’t work, how to solve it? ==
1026 +|(((
1027 +
1028 +)))
1022 1022  
1023 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1030 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1024 1024  
1025 1025  
1026 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1027 1027  
1028 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1034 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1029 1029  
1030 1030  
1031 -= 8. Order Info =
1037 +[[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]]
1032 1032  
1033 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1034 1034  
1035 -(% style="color:blue" %)**XXX:**
1040 +1.
1041 +11. How to change the LoRa Frequency Bands/Region?
1036 1036  
1037 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1038 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1039 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1040 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1041 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1042 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1043 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1044 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1045 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1046 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1043 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1047 1047  
1048 1048  
1049 1049  
1050 -= 9.Packing Info =
1047 +1.
1048 +11. How many RS485-Slave can RS485-BL connects?
1051 1051  
1050 +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]].
1052 1052  
1053 -**Package Includes**:
1054 1054  
1055 -* RS485-LN x 1
1056 -* Stick Antenna for LoRa RF part x 1
1057 -* Program cable x 1
1058 1058  
1059 -**Dimension and weight**:
1060 1060  
1061 -* Device Size: 13.5 x 7 x 3 cm
1062 -* Device Weight: 105g
1063 -* Package Size / pcs : 14.5 x 8 x 5 cm
1064 -* Weight / pcs : 170g
1055 +1. Trouble Shooting     
1056 +11. Downlink doesn’t work, how to solve it?
1065 1065  
1058 +Please see this link for debug:
1066 1066  
1060 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1067 1067  
1068 -= 10. FCC Caution for RS485LN-US915 =
1069 1069  
1070 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1071 1071  
1072 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1064 +1.
1065 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1073 1073  
1067 +It might about the channels mapping. Please see for detail.
1074 1074  
1075 -**IMPORTANT NOTE:**
1069 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1076 1076  
1077 -**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1078 1078  
1079 -—Reorient or relocate the receiving antenna.
1080 1080  
1081 -—Increase the separation between the equipment and receiver.
1073 +1. Order Info
1082 1082  
1083 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1075 +**Part Number: RS485-BL-XXX**
1084 1084  
1085 -—Consult the dealer or an experienced radio/TV technician for help.
1077 +**XXX:**
1086 1086  
1079 +* **EU433**: frequency bands EU433
1080 +* **EU868**: frequency bands EU868
1081 +* **KR920**: frequency bands KR920
1082 +* **CN470**: frequency bands CN470
1083 +* **AS923**: frequency bands AS923
1084 +* **AU915**: frequency bands AU915
1085 +* **US915**: frequency bands US915
1086 +* **IN865**: frequency bands IN865
1087 +* **RU864**: frequency bands RU864
1088 +* **KZ865: **frequency bands KZ865
1087 1087  
1088 -**FCC Radiation Exposure Statement:**
1090 +1. Packing Info
1089 1089  
1090 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1092 +**Package Includes**:
1091 1091  
1094 +* RS485-BL x 1
1095 +* Stick Antenna for LoRa RF part x 1
1096 +* Program cable x 1
1092 1092  
1093 -= 11. Support =
1098 +**Dimension and weight**:
1094 1094  
1100 +* Device Size: 13.5 x 7 x 3 cm
1101 +* Device Weight: 105g
1102 +* Package Size / pcs : 14.5 x 8 x 5 cm
1103 +* Weight / pcs : 170g
1104 +
1105 +1. Support
1106 +
1095 1095  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1096 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
1108 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1109 +
1110 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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