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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 ==
... ... @@ -24,33 +24,23 @@
24 24  
25 25  (((
26 26  (((
27 -(((
28 28  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
29 29  )))
30 -)))
31 31  
32 32  (((
33 -(((
34 34  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
35 35  )))
36 -)))
37 37  
38 38  (((
39 -(((
40 40  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
47 -)))
48 48  
49 -(((
50 50  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
51 51  )))
52 52  )))
53 -)))
54 54  
55 55  [[image:1653267211009-519.png||height="419" width="724"]]
56 56  
... ... @@ -90,7 +90,7 @@
90 90  * Preamble detection.
91 91  * 127 dB Dynamic Range RSSI.
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
94 94  
95 95  == 1.3 Features ==
96 96  
... ... @@ -103,8 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 -
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
... ... @@ -177,7 +177,7 @@
177 177  [[image:1653268227651-549.png||height="592" width="720"]]
178 178  
179 179  (((
180 -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:
181 181  )))
182 182  
183 183  (((
... ... @@ -229,7 +229,7 @@
229 229  
230 230  (((
231 231  (((
232 -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.
214 +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>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
233 233  )))
234 234  
235 235  (((
... ... @@ -434,7 +434,6 @@
434 434  
435 435  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
436 436  
437 -
438 438  1. PAYVER: Defined by AT+PAYVER
439 439  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
440 440  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -514,43 +514,50 @@
514 514  
515 515  There are two kinds of Commands:
516 516  
517 -* (% 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: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
498 +* (% 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]]
518 518  
519 519  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
520 520  
502 +
503 +
521 521  === 3.5.1 Common Commands ===
522 522  
523 523  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]]
524 524  
525 525  
526 -=== 3.5.2 Sensor related commands ===
509 +=== 3.5.2 Sensor related commands: ===
527 527  
528 -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.
511 +==== Choose Device Type (RS485 or TTL) ====
529 529  
530 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
513 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
531 531  
532 -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)
515 +* AT Command
533 533  
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
534 534  
535 -=== 3.5.3 Sensor related commands ===
519 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
536 536  
537 537  
522 +* Downlink Payload
538 538  
539 -==== **RS485 Debug Command** ====
524 +**0A aa**     à same as AT+MOD=aa
540 540  
541 -This command is used to configure the RS485 devices; they won’t be used during sampling.
542 542  
543 -* **AT Command**
544 544  
545 -(% class="box infomessage" %)
546 -(((
547 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
548 -)))
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
549 549  
550 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
530 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
551 551  
552 -* **Downlink Payload**
532 +* AT Command
553 553  
534 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
535 +
536 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
537 +
538 +
539 +
540 +* Downlink Payload
541 +
554 554  Format: A8 MM NN XX XX XX XX YY
555 555  
556 556  Where:
... ... @@ -558,12 +558,9 @@
558 558  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
559 559  * NN: The length of RS485 command
560 560  * XX XX XX XX: RS485 command total NN bytes
561 -* YY: How many bytes will be uplink from the return of this RS485 command,
562 -** if YY=0, RS485-LN will execute the downlink command without uplink;
563 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
564 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
549 +* 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
565 565  
566 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
551 +**Example 1:**
567 567  
568 568  To connect a Modbus Alarm with below commands.
569 569  
... ... @@ -573,190 +573,184 @@
573 573  
574 574  So if user want to use downlink command to control to RS485 Alarm, he can use:
575 575  
576 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
561 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
577 577  
578 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
563 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
579 579  
580 580  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.
581 581  
582 582  
583 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
568 +**Example 2:**
584 584  
585 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
570 +Check TTL Sensor return:
586 586  
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
587 587  
588 -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:
589 589  
590 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
591 591  
592 - [[image:1654159460680-153.png]]
593 593  
577 +==== Set Payload version ====
594 594  
595 -
596 -==== **Set Payload version** ====
597 -
598 598  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.
599 599  
600 -* **AT Command:**
581 +* AT Command:
601 601  
602 -(% class="box infomessage" %)
603 -(((
604 -**AT+PAYVER: Set PAYVER field = 1**
605 -)))
583 +AT+PAYVER: Set PAYVER field = 1
606 606  
607 -* **Downlink Payload:**
608 608  
609 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
586 +* Downlink Payload:
610 610  
611 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
588 +0xAE 01   à Set PAYVER field =  0x01
612 612  
590 +0xAE 0F   à Set PAYVER field =  0x0F
613 613  
614 614  
615 -==== **Set RS485 Sampling Commands** ====
593 +==== Set RS485 Sampling Commands ====
616 616  
617 -AT+COMMANDx or AT+DATACUTx
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
618 618  
619 -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"]].
597 +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]].
620 620  
621 621  
622 -* **AT Command:**
600 +* AT Command:
623 623  
624 -(% class="box infomessage" %)
625 -(((
626 -**AT+COMMANDx: Configure RS485 read command to sensor.**
627 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
628 628  
629 -(% class="box infomessage" %)
630 -(((
631 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
632 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
633 633  
606 +AT+SEARCHx: Configure search command
634 634  
635 -* **Downlink Payload:**
636 636  
637 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
609 +* Downlink Payload:
638 638  
639 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
611 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
640 640  
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
614 +
641 641  Format: AF MM NN LL XX XX XX XX YY
642 642  
643 643  Where:
644 644  
645 645  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
646 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
647 -* LL:  The length of AT+COMMAND or AT+DATACUT command
620 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
621 +* LL: The length of AT+COMMAND or AT+DATACUT command
648 648  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
649 -* 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.
623 +* 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.
650 650  
651 -**Example:**
625 +Example:
652 652  
653 -(% 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
627 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
654 654  
655 -(% 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**
629 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
656 656  
657 -(% 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**
631 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
658 658  
659 659  
634 +0xAB downlink command can be used for set AT+SEARCHx
660 660  
661 -==== **Fast command to handle MODBUS device** ====
636 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
662 662  
638 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
639 +* 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
640 +
641 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
642 +
643 +
644 +==== Fast command to handle MODBUS device ====
645 +
663 663  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]].
664 664  
665 665  This command is valid since v1.3 firmware version
666 666  
667 -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.
668 668  
651 +AT+MBFUN has only two value:
669 669  
670 -**Example:**
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
671 671  
672 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
673 -* 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.
674 -* 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.
655 +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.
675 675  
676 -[[image:image-20220602165351-6.png]]
657 +* AT+MBFUN=0: Disable Modbus fast reading.
677 677  
678 -[[image:image-20220602165351-7.png]]
659 +Example:
679 679  
661 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
662 +* 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.
663 +* 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.
680 680  
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
681 681  
682 -==== **RS485 command timeout** ====
683 683  
684 -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.
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
685 685  
686 -Default value: 0, range:  0 ~~ 65 seconds
687 687  
688 -* **AT Command:**
671 +* Downlink Commands:
689 689  
690 -(% class="box infomessage" %)
691 -(((
692 -**AT+CMDDLaa=hex(bb cc)*1000**
693 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
694 694  
695 -**Example:**
696 696  
697 -**AT+CMDDL1=1000** to send the open time to 1000ms
676 +==== RS485 command timeout ====
698 698  
678 +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.
699 699  
700 -* **Downlink Payload:**
680 +Default value: 0, range:  0 ~~ 5 seconds
701 701  
702 -**0x AA aa bb cc**
703 703  
704 -Same as: AT+CMDDLaa=hex(bb cc)*1000
683 +* AT Command:
705 705  
706 - **Example:**
685 +AT+CMDDLaa=hex(bb cc)
707 707  
708 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
687 +Example:
709 709  
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
710 710  
711 711  
712 -==== **Uplink payload mode** ====
692 +* Downlink Payload:
713 713  
714 -Define to use one uplink or multiple uplinks for the sampling.
694 +0x AA aa bb cc
715 715  
716 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
696 +Same as: AT+CMDDLaa=hex(bb cc)
717 717  
718 -* **AT Command:**
698 + Example:
719 719  
720 -(% class="box infomessage" %)
721 -(((
722 -**AT+DATAUP=0**
723 -)))
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
724 724  
725 -(% class="box infomessage" %)
726 -(((
727 -**AT+DATAUP=1**
728 -)))
729 729  
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
730 730  
731 -* **Downlink Payload:**
705 +Define to use one uplink or multiple uplinks for the sampling.
732 732  
733 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
734 734  
735 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
709 +* AT Command:
736 736  
711 +AT+DATAUP=0
737 737  
713 +AT+DATAUP=1
738 738  
739 -==== **Manually trigger an Uplink** ====
740 740  
741 -Ask device to send an uplink immediately.
716 +* Downlink Payload:
742 742  
743 -* **AT Command:**
718 +0xAD 00   à Same as AT+DATAUP=0
744 744  
745 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
720 +0xAD 01   à Same as AT+DATAUP=1
746 746  
747 747  
748 -* **Downlink Payload:**
723 +==== Manually trigger an Uplink ====
749 749  
750 -**0x08 FF**, RS485-LN will immediately send an uplink.
725 +Ask device to send an uplink immediately.
751 751  
727 +* Downlink Payload:
752 752  
729 +0x08 FF, RS485-BL will immediately send an uplink.
753 753  
754 -==== **Clear RS485 Command** ====
755 755  
732 +==== Clear RS485 Command ====
733 +
756 756  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
757 757  
758 -* **AT Command:**
759 759  
737 +* AT Command:
738 +
760 760  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
761 761  
762 762  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -764,50 +764,43 @@
764 764  Example screen shot after clear all RS485 commands. 
765 765  
766 766  
746 +
767 767  The uplink screen shot is:
768 768  
769 -[[image:1654160691922-496.png]]
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
770 770  
771 771  
772 -* **Downlink Payload:**
752 +* Downlink Payload:
773 773  
774 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
775 775  
776 776  
757 +==== Set Serial Communication Parameters ====
777 777  
778 -==== **Set Serial Communication Parameters** ====
779 -
780 780  Set the Rs485 serial communication parameters:
781 781  
782 -* **AT Command:**
761 +* AT Command:
783 783  
784 784  Set Baud Rate:
785 785  
786 -(% class="box infomessage" %)
787 -(((
788 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
789 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
790 790  
791 -Set UART Parity
792 792  
793 -(% class="box infomessage" %)
794 -(((
795 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
796 -)))
768 +Set UART parity
797 797  
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +
772 +
798 798  Set STOPBIT
799 799  
800 -(% class="box infomessage" %)
801 -(((
802 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
803 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
804 804  
805 805  
806 -* **Downlink Payload:**
778 +* Downlink Payload:
807 807  
808 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
809 809  
810 -**Example:**
782 +Example:
811 811  
812 812  * A7 01 00 60   same as AT+BAUDR=9600
813 813  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -817,317 +817,287 @@
817 817  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
818 818  
819 819  
820 -== 3.6 Listening mode for RS485 network ==
792 +==== Control output power duration ====
821 821  
822 -This feature support since firmware v1.4
794 +User can set the output power duration before each sampling.
823 823  
824 -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.
796 +* AT Command:
825 825  
826 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
798 +Example:
827 827  
828 -To enable the listening mode, use can run the command AT+RXMODE.
800 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
829 829  
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
830 830  
831 -(% border="1" style="background-color:#ffffcc; width:500px" %)
832 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
833 -|(% 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.
834 -|(% 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
835 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
836 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
837 837  
838 -**Downlink Command:**
805 +* LoRaWAN Downlink Command:
839 839  
840 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
841 841  
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
842 842  
843 -**Example**:
844 844  
845 -The RS485-LN is set to AT+RXMODE=2,1000
846 846  
847 -There is a two Modbus commands in the RS485 network as below:
848 848  
849 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
814 +1.
815 +11. Buttons
850 850  
851 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
817 +|**Button**|**Feature**
818 +|**RST**|Reboot RS485-BL
852 852  
853 -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
820 +1.
821 +11. +3V3 Output
854 854  
855 -[[image:image-20220602171200-9.png]]
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
856 856  
825 +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. 
857 857  
858 -(% 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.
859 859  
828 +The +3V3 output time can be controlled by AT Command.
860 860  
861 -== 3.7 Buttons ==
830 +**AT+3V3T=1000**
862 862  
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
863 863  
864 -(% border="1" style="background-color:#f7faff; width:500px" %)
865 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
866 -|**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**
867 -|**RST**|(% style="width:1420px" %)Reboot RS485
868 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
869 869  
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
870 870  
871 -== 3.8 LEDs ==
872 872  
873 -(% border="1" style="background-color:#f7faff; width:500px" %)
874 -|=**LEDs**|=**Feature**
875 -|**PWR**|Always on if there is power
876 -|**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.
838 +1.
839 +11. +5V Output
877 877  
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
878 878  
879 -= 4. Case Study =
843 +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. 
880 880  
881 -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]]
882 882  
846 +The 5V output time can be controlled by AT Command.
883 883  
884 -= 5. Use AT Command =
848 +**AT+5VT=1000**
885 885  
886 -== 5.1 Access AT Command ==
850 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
887 887  
888 -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.
889 889  
890 -[[image:1654162355560-817.png]]
853 +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.
891 891  
892 892  
893 -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:
894 894  
895 -[[image:1654162368066-342.png]]
896 896  
858 +1.
859 +11. LEDs
897 897  
898 -More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
899 899  
864 +1.
865 +11. Switch Jumper
900 900  
901 -== 5.2 Common AT Command Sequence ==
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
902 902  
903 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
904 -
905 -If device has not joined network yet:
906 -
907 -(% class="box infomessage" %)
908 -(((
909 -**AT+FDR**
871 +Flash position: Configure device, check running status.
910 910  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
911 911  
912 -(% class="box infomessage" %)
913 -(((
914 -**AT+NJM=0**
876 +3.3v position: set to compatible with 3.3v I/O.,
915 915  )))
916 916  
917 -(% class="box infomessage" %)
918 -(((
919 -**ATZ**
920 -)))
879 ++3.3V: is always ON
921 921  
881 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
922 922  
923 -If device already joined network:
883 +1. Case Study
924 924  
925 -(% class="box infomessage" %)
926 -(((
927 -**AT+NJM=0**
928 -)))
885 +User can check this URL for some case studies.
929 929  
930 -(% class="box infomessage" %)
931 -(((
932 -**ATZ**
933 -)))
887 +[[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]]
934 934  
935 935  
936 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
937 937  
938 938  
939 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
892 +1. Use AT Command
893 +11. Access AT Command
940 940  
941 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
895 +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.
942 942  
943 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
897 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
944 944  
945 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
946 946  
947 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
900 +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:
948 948  
949 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
902 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
950 950  
951 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
952 952  
953 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
954 954  
955 -(% 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.
906 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
956 956  
957 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
958 958  
959 959  
960 -(% style="color:red" %)**Note:**
910 +1.
911 +11. Common AT Command Sequence
912 +111. Multi-channel ABP mode (Use with SX1301/LG308)
961 961  
962 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
963 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
964 -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.
965 -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
914 +If device has not joined network yet:
966 966  
967 -[[image:1654162478620-421.png]]
916 +AT+FDR
968 968  
918 +AT+NJM=0
969 969  
970 -= 6. FAQ =
920 +ATZ
971 971  
972 -== 6.1 How to upgrade the image? ==
973 973  
974 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
923 +If device already joined network:
975 975  
976 -* Support new features
977 -* For bug fix
978 -* Change LoRaWAN bands.
925 +AT+NJM=0
979 979  
980 -Below shows the hardware connection for how to upload an image to RS485-LN:
927 +ATZ
981 981  
982 -[[image:1654162535040-878.png]]
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
983 983  
984 -**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]].
933 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
985 985  
986 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
935 +AT+NJM=0 Set to ABP mode
987 987  
988 -**Step3: **Open flashloader; choose the correct COM port to update.
937 +AT+ADR=0 Set the Adaptive Data Rate Off
989 989  
990 -(((
991 -(% 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.
992 -)))
939 +AT+DR=5  Set Data Rate
993 993  
941 +AT+TDC=60000  Set transmit interval to 60 seconds
994 994  
995 -[[image:image-20220602175818-12.png]]
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
996 996  
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
997 997  
998 -[[image:image-20220602175848-13.png]]
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
999 999  
949 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1000 1000  
1001 -[[image:image-20220602175912-14.png]]
951 +ATZ          Reset MCU
1002 1002  
953 +**Note:**
1003 1003  
1004 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
955 +1. Make sure the device is set to ABP mode in the IoT Server.
956 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
957 +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.
958 +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
1005 1005  
1006 -[[image:image-20220602175638-10.png]]
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1007 1007  
1008 1008  
1009 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
963 +1. FAQ
964 +11. How to upgrade the image?
1010 1010  
1011 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
966 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1012 1012  
968 +* Support new features
969 +* For bug fix
970 +* Change LoRaWAN bands.
1013 1013  
1014 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
972 +Below shows the hardware connection for how to upload an image to RS485-BL:
1015 1015  
1016 -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"]].
974 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1017 1017  
976 +**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]].
1018 1018  
1019 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
978 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1020 1020  
1021 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
980 +**Step3: **Open flashloader; choose the correct COM port to update.
1022 1022  
1023 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1024 1024  
983 +|(((
984 +HOLD PRO then press the RST button, SYS will be ON, then click next
985 +)))
1025 1025  
1026 -= 7. Trouble Shooting =
987 +|(((
988 +Board detected
989 +)))
1027 1027  
1028 -== 7.1 Downlink doesn’t work, how to solve it? ==
991 +|(((
992 +
993 +)))
1029 1029  
1030 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
995 +[[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]]
1031 1031  
1032 1032  
1033 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1034 1034  
1035 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
999 +[[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]]
1036 1036  
1037 1037  
1038 -= 8. Order Info =
1002 +[[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]]
1039 1039  
1040 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1041 1041  
1042 -(% style="color:blue" %)**XXX:**
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1043 1043  
1044 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1045 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1046 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1047 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1048 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1049 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1050 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1051 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1052 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1053 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1008 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1054 1054  
1055 1055  
1056 1056  
1057 -= 9.Packing Info =
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1058 1058  
1015 +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]].
1059 1059  
1060 -**Package Includes**:
1061 1061  
1062 -* RS485-LN x 1
1063 -* Stick Antenna for LoRa RF part x 1
1064 -* Program cable x 1
1065 1065  
1066 -**Dimension and weight**:
1067 1067  
1068 -* Device Size: 13.5 x 7 x 3 cm
1069 -* Device Weight: 105g
1070 -* Package Size / pcs : 14.5 x 8 x 5 cm
1071 -* Weight / pcs : 170g
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1072 1072  
1023 +Please see this link for debug:
1073 1073  
1025 +[[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]] 
1074 1074  
1075 -= 10. FCC Caution for RS485LN-US915 =
1076 1076  
1077 -(((
1078 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1079 -)))
1080 1080  
1081 -(((
1082 -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.
1083 -)))
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1084 1084  
1085 -(((
1086 -
1087 -)))
1032 +It might about the channels mapping. Please see for detail.
1088 1088  
1089 -(((
1090 -**IMPORTANT NOTE:**
1091 -)))
1034 +[[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]]
1092 1092  
1093 -(((
1094 -**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:
1095 -)))
1096 1096  
1097 -(((
1098 -—Reorient or relocate the receiving antenna.
1099 -)))
1100 1100  
1101 -(((
1102 -—Increase the separation between the equipment and receiver.
1103 -)))
1038 +1. Order Info
1104 1104  
1105 -(((
1106 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1107 -)))
1040 +**Part Number: RS485-BL-XXX**
1108 1108  
1109 -(((
1110 -—Consult the dealer or an experienced radio/TV technician for help.
1111 -)))
1042 +**XXX:**
1112 1112  
1113 -(((
1114 -
1115 -)))
1044 +* **EU433**: frequency bands EU433
1045 +* **EU868**: frequency bands EU868
1046 +* **KR920**: frequency bands KR920
1047 +* **CN470**: frequency bands CN470
1048 +* **AS923**: frequency bands AS923
1049 +* **AU915**: frequency bands AU915
1050 +* **US915**: frequency bands US915
1051 +* **IN865**: frequency bands IN865
1052 +* **RU864**: frequency bands RU864
1053 +* **KZ865: **frequency bands KZ865
1116 1116  
1117 -(((
1118 -**FCC Radiation Exposure Statement:**
1119 -)))
1055 +1. Packing Info
1120 1120  
1121 -(((
1122 -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.
1123 -)))
1057 +**Package Includes**:
1124 1124  
1059 +* RS485-BL x 1
1060 +* Stick Antenna for LoRa RF part x 1
1061 +* Program cable x 1
1125 1125  
1126 -= 11. Support =
1063 +**Dimension and weight**:
1127 1127  
1128 -* (((
1129 -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.
1130 -)))
1131 -* (((
1132 -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]].
1133 -)))
1065 +* Device Size: 13.5 x 7 x 3 cm
1066 +* Device Weight: 105g
1067 +* Package Size / pcs : 14.5 x 8 x 5 cm
1068 +* Weight / pcs : 170g
1069 +
1070 +1. Support
1071 +
1072 +* 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.
1073 +* 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
1074 +
1075 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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