Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.46 >
edited by Xiaoling
on 2022/06/06 10:22
To version < 58.4 >
edited by Xiaoling
on 2022/06/06 11:21
>
Change comment: There is no comment for this version

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... ... @@ -104,7 +104,6 @@
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 106  
107 -
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
... ... @@ -115,7 +115,6 @@
115 115  * Smart Factory
116 116  
117 117  
118 -
119 119  == 1.5 Firmware Change log ==
120 120  
121 121  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -251,19 +251,19 @@
251 251  
252 252  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
253 253  
254 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
255 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
256 256  **AT Commands**
257 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
258 258  **Description**
259 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
260 260  **Example**
261 261  )))
262 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
263 263  AT+BAUDR
264 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
265 265  Set the baud rate (for RS485 connection). Default Value is: 9600.
266 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
267 267  (((
268 268  AT+BAUDR=9600
269 269  )))
... ... @@ -272,11 +272,11 @@
272 272  Options: (1200,2400,4800,14400,19200,115200)
273 273  )))
274 274  )))
275 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
276 276  AT+PARITY
277 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
278 278  Set UART parity (for RS485 connection)
279 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
280 280  (((
281 281  AT+PARITY=0
282 282  )))
... ... @@ -285,9 +285,9 @@
285 285  Option: 0: no parity, 1: odd parity, 2: even parity
286 286  )))
287 287  )))
288 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
289 289  AT+STOPBIT
290 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
291 291  (((
292 292  Set serial stopbit (for RS485 connection)
293 293  )))
... ... @@ -295,7 +295,7 @@
295 295  (((
296 296  
297 297  )))
298 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
299 299  (((
300 300  AT+STOPBIT=0 for 1bit
301 301  )))
... ... @@ -309,6 +309,8 @@
309 309  )))
310 310  )))
311 311  
310 +
311 +
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -317,16 +317,18 @@
317 317  )))
318 318  )))
319 319  
320 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
321 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
322 -|AT+CFGDEV|(% style="width:418px" %)(((
320 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
321 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
322 +|AT+CFGDEV|(% style="width:110px" %)(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
324 324  
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
326 326  
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
328 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
328 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 +
331 +
330 330  === 3.3.3 Configure read commands for each sampling ===
331 331  
332 332  (((
... ... @@ -372,8 +372,8 @@
372 372  
373 373  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
374 374  
375 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
376 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
377 377  **AT+DATACUTx=a,b,c**
378 378  
379 379  * **a: length for the return of AT+COMMAND**
... ... @@ -499,33 +499,35 @@
499 499  
500 500  == 3.4 Uplink Payload ==
501 501  
502 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
503 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
504 -|Value|(% style="width:120px" %)(((
505 -Battery(mV)
506 506  
507 -&
505 +[[image:image-20220606110929-1.png]]
508 508  
509 -Interrupt _Flag
510 -)))|(% style="width:116px" %)(((
511 -PAYLOAD_VER
512 -
513 -
514 -)))|(% 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.
515 -
516 516  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
517 517  
518 518  
519 519  == 3.5 Configure RS485-BL via AT or Downlink ==
520 520  
512 +(((
521 521  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
522 522  
516 +(((
523 523  There are two kinds of Commands:
518 +)))
524 524  
525 -* (% 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]]
520 +* (((
521 +(% 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]]
522 +)))
526 526  
527 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
524 +* (((
525 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
526 +)))
528 528  
528 +(((
529 +
530 +)))
531 +
532 +
529 529  === 3.5.1 Common Commands ===
530 530  
531 531  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]]
... ... @@ -546,58 +546,121 @@
546 546  
547 547  ==== **RS485 Debug Command** ====
548 548  
553 +(((
549 549  This command is used to configure the RS485 devices; they won’t be used during sampling.
555 +)))
550 550  
551 -* **AT Command**
557 +* (((
558 +**AT Command**
559 +)))
552 552  
553 553  (% class="box infomessage" %)
554 554  (((
563 +(((
555 555  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
556 556  )))
566 +)))
557 557  
568 +(((
558 558  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
570 +)))
559 559  
560 -* **Downlink Payload**
572 +* (((
573 +**Downlink Payload**
574 +)))
561 561  
576 +(((
562 562  Format: A8 MM NN XX XX XX XX YY
578 +)))
563 563  
580 +(((
564 564  Where:
582 +)))
565 565  
566 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
567 -* NN: The length of RS485 command
568 -* XX XX XX XX: RS485 command total NN bytes
569 -* YY: How many bytes will be uplink from the return of this RS485 command,
570 -** if YY=0, RS485-LN will execute the downlink command without uplink;
571 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
572 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
584 +* (((
585 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
586 +)))
587 +* (((
588 +NN: The length of RS485 command
589 +)))
590 +* (((
591 +XX XX XX XX: RS485 command total NN bytes
592 +)))
593 +* (((
594 +(((
595 +YY: How many bytes will be uplink from the return of this RS485 command,
596 +)))
573 573  
598 +* (((
599 +if YY=0, RS485-LN will execute the downlink command without uplink;
600 +)))
601 +* (((
602 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
603 +)))
604 +* (((
605 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
606 +)))
607 +)))
608 +
609 +(((
574 574  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
611 +)))
575 575  
613 +(((
576 576  To connect a Modbus Alarm with below commands.
615 +)))
577 577  
578 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
617 +* (((
618 +The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
619 +)))
579 579  
580 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
621 +* (((
622 +The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
623 +)))
581 581  
625 +(((
582 582  So if user want to use downlink command to control to RS485 Alarm, he can use:
627 +)))
583 583  
629 +(((
584 584  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
631 +)))
585 585  
633 +(((
586 586  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
635 +)))
587 587  
637 +(((
588 588  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.
639 +)))
589 589  
641 +(((
642 +
643 +)))
590 590  
645 +(((
591 591  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
647 +)))
592 592  
649 +(((
593 593  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
651 +)))
594 594  
653 +(((
654 +
655 +)))
595 595  
657 +(((
596 596  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:
659 +)))
597 597  
661 +(((
598 598   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
663 +)))
599 599  
665 +(((
600 600   [[image:1654159460680-153.png]]
667 +)))
601 601  
602 602  
603 603  
... ... @@ -875,7 +875,6 @@
875 875  |**RST**|(% style="width:1420px" %)Reboot RS485
876 876  |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
877 877  
878 -
879 879  == 3.8 LEDs ==
880 880  
881 881  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -883,7 +883,6 @@
883 883  |**PWR**|Always on if there is power
884 884  |**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.
885 885  
886 -
887 887  = 4. Case Study =
888 888  
889 889  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]]
... ... @@ -1061,7 +1061,6 @@
1061 1061  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1062 1062  
1063 1063  
1064 -
1065 1065  = 9.Packing Info =
1066 1066  
1067 1067  
... ... @@ -1079,7 +1079,6 @@
1079 1079  * Weight / pcs : 170g
1080 1080  
1081 1081  
1082 -
1083 1083  = 10. FCC Caution for RS485LN-US915 =
1084 1084  
1085 1085  (((
image-20220606110929-1.png
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