Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.42 >
edited by Xiaoling
on 2022/06/06 10:12
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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... ... @@ -103,6 +103,7 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 +
106 106  == 1.4 Applications ==
107 107  
108 108  * Smart Buildings & Home Automation
... ... @@ -112,6 +112,7 @@
112 112  * Smart Cities
113 113  * Smart Factory
114 114  
116 +
115 115  == 1.5 Firmware Change log ==
116 116  
117 117  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -121,9 +121,13 @@
121 121  
122 122  (((
123 123  (((
126 +(((
124 124  v1.2: Add External Interrupt Pin.
128 +)))
125 125  
130 +(((
126 126  v1.0: Release
132 +)))
127 127  
128 128  
129 129  )))
... ... @@ -151,7 +151,9 @@
151 151  == 3.1 How it works? ==
152 152  
153 153  (((
160 +(((
154 154  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
162 +)))
155 155  
156 156  
157 157  )))
... ... @@ -241,19 +241,19 @@
241 241  
242 242  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:
243 243  
244 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
245 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
246 246  **AT Commands**
247 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
248 248  **Description**
249 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
250 250  **Example**
251 251  )))
252 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
253 253  AT+BAUDR
254 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
255 255  Set the baud rate (for RS485 connection). Default Value is: 9600.
256 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
257 257  (((
258 258  AT+BAUDR=9600
259 259  )))
... ... @@ -262,11 +262,11 @@
262 262  Options: (1200,2400,4800,14400,19200,115200)
263 263  )))
264 264  )))
265 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
266 266  AT+PARITY
267 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
268 268  Set UART parity (for RS485 connection)
269 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
270 270  (((
271 271  AT+PARITY=0
272 272  )))
... ... @@ -275,9 +275,9 @@
275 275  Option: 0: no parity, 1: odd parity, 2: even parity
276 276  )))
277 277  )))
278 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
279 279  AT+STOPBIT
280 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
281 281  (((
282 282  Set serial stopbit (for RS485 connection)
283 283  )))
... ... @@ -285,7 +285,7 @@
285 285  (((
286 286  
287 287  )))
288 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
289 289  (((
290 290  AT+STOPBIT=0 for 1bit
291 291  )))
... ... @@ -299,6 +299,8 @@
299 299  )))
300 300  )))
301 301  
310 +
311 +
302 302  === 3.3.2 Configure sensors ===
303 303  
304 304  (((
... ... @@ -307,16 +307,18 @@
307 307  )))
308 308  )))
309 309  
310 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
311 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
312 -|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" %)(((
313 313  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
314 314  
315 315  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
316 316  
317 317  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
318 -)))|(% 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
319 319  
330 +
331 +
320 320  === 3.3.3 Configure read commands for each sampling ===
321 321  
322 322  (((
... ... @@ -362,8 +362,8 @@
362 362  
363 363  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
364 364  
365 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
366 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
367 367  **AT+DATACUTx=a,b,c**
368 368  
369 369  * **a: length for the return of AT+COMMAND**
... ... @@ -489,33 +489,35 @@
489 489  
490 490  == 3.4 Uplink Payload ==
491 491  
492 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
493 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
494 -|Value|(% style="width:120px" %)(((
495 -Battery(mV)
496 496  
497 -&
505 +[[image:image-20220606110929-1.png]]
498 498  
499 -Interrupt _Flag
500 -)))|(% style="width:116px" %)(((
501 -PAYLOAD_VER
502 -
503 -
504 -)))|(% 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.
505 -
506 506  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
507 507  
508 508  
509 509  == 3.5 Configure RS485-BL via AT or Downlink ==
510 510  
512 +(((
511 511  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
512 512  
516 +(((
513 513  There are two kinds of Commands:
518 +)))
514 514  
515 -* (% 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 +)))
516 516  
517 -* (% 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 +)))
518 518  
528 +(((
529 +
530 +)))
531 +
532 +
519 519  === 3.5.1 Common Commands ===
520 520  
521 521  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]]
... ... @@ -536,58 +536,121 @@
536 536  
537 537  ==== **RS485 Debug Command** ====
538 538  
553 +(((
539 539  This command is used to configure the RS485 devices; they won’t be used during sampling.
555 +)))
540 540  
541 -* **AT Command**
557 +* (((
558 +**AT Command**
559 +)))
542 542  
543 543  (% class="box infomessage" %)
544 544  (((
563 +(((
545 545  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
546 546  )))
566 +)))
547 547  
568 +(((
548 548  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
570 +)))
549 549  
550 -* **Downlink Payload**
572 +* (((
573 +**Downlink Payload**
574 +)))
551 551  
576 +(((
552 552  Format: A8 MM NN XX XX XX XX YY
578 +)))
553 553  
580 +(((
554 554  Where:
582 +)))
555 555  
556 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
557 -* NN: The length of RS485 command
558 -* XX XX XX XX: RS485 command total NN bytes
559 -* YY: How many bytes will be uplink from the return of this RS485 command,
560 -** if YY=0, RS485-LN will execute the downlink command without uplink;
561 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
562 -** 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 +)))
563 563  
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 +(((
564 564  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
611 +)))
565 565  
613 +(((
566 566  To connect a Modbus Alarm with below commands.
615 +)))
567 567  
568 -* 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 +)))
569 569  
570 -* 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 +)))
571 571  
625 +(((
572 572  So if user want to use downlink command to control to RS485 Alarm, he can use:
627 +)))
573 573  
629 +(((
574 574  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
631 +)))
575 575  
633 +(((
576 576  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
635 +)))
577 577  
637 +(((
578 578  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 +)))
579 579  
641 +(((
642 +
643 +)))
580 580  
645 +(((
581 581  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
647 +)))
582 582  
649 +(((
583 583  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
651 +)))
584 584  
653 +(((
654 +
655 +)))
585 585  
657 +(((
586 586  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 +)))
587 587  
661 +(((
588 588   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
663 +)))
589 589  
665 +(((
590 590   [[image:1654159460680-153.png]]
667 +)))
591 591  
592 592  
593 593  
... ... @@ -865,7 +865,6 @@
865 865  |**RST**|(% style="width:1420px" %)Reboot RS485
866 866  |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
867 867  
868 -
869 869  == 3.8 LEDs ==
870 870  
871 871  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -873,7 +873,6 @@
873 873  |**PWR**|Always on if there is power
874 874  |**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.
875 875  
876 -
877 877  = 4. Case Study =
878 878  
879 879  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]]
... ... @@ -1051,7 +1051,6 @@
1051 1051  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1052 1052  
1053 1053  
1054 -
1055 1055  = 9.Packing Info =
1056 1056  
1057 1057  
... ... @@ -1069,7 +1069,6 @@
1069 1069  * Weight / pcs : 170g
1070 1070  
1071 1071  
1072 -
1073 1073  = 10. FCC Caution for RS485LN-US915 =
1074 1074  
1075 1075  (((
image-20220606110929-1.png
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1 +XWiki.Xiaoling
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