Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.6 >
edited by Xiaoling
on 2022/06/06 11:21
To version < 57.36 >
edited by Xiaoling
on 2022/06/06 09:32
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -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  
... ... @@ -103,7 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -113,7 +113,6 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -123,13 +123,9 @@
123 123  
124 124  (((
125 125  (((
126 -(((
127 127  v1.2: Add External Interrupt Pin.
128 -)))
129 129  
130 -(((
131 131  v1.0: Release
132 -)))
133 133  
134 134  
135 135  )))
... ... @@ -157,9 +157,7 @@
157 157  == 3.1 How it works? ==
158 158  
159 159  (((
160 -(((
161 161  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 -)))
163 163  
164 164  
165 165  )))
... ... @@ -249,19 +249,19 @@
249 249  
250 250  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:
251 251  
252 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 -|=(% style="width: 110px;" %)(((
234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 +|(% style="width:128px" %)(((
254 254  **AT Commands**
255 -)))|=(% style="width: 190px;" %)(((
237 +)))|(% style="width:305px" %)(((
256 256  **Description**
257 -)))|=(% style="width: 190px;" %)(((
239 +)))|(% style="width:346px" %)(((
258 258  **Example**
259 259  )))
260 -|(% style="width:110px" %)(((
242 +|(% style="width:128px" %)(((
261 261  AT+BAUDR
262 -)))|(% style="width:190px" %)(((
244 +)))|(% style="width:305px" %)(((
263 263  Set the baud rate (for RS485 connection). Default Value is: 9600.
264 -)))|(% style="width:190px" %)(((
246 +)))|(% style="width:346px" %)(((
265 265  (((
266 266  AT+BAUDR=9600
267 267  )))
... ... @@ -270,11 +270,11 @@
270 270  Options: (1200,2400,4800,14400,19200,115200)
271 271  )))
272 272  )))
273 -|(% style="width:110px" %)(((
255 +|(% style="width:128px" %)(((
274 274  AT+PARITY
275 -)))|(% style="width:190px" %)(((
257 +)))|(% style="width:305px" %)(((
276 276  Set UART parity (for RS485 connection)
277 -)))|(% style="width:190px" %)(((
259 +)))|(% style="width:346px" %)(((
278 278  (((
279 279  AT+PARITY=0
280 280  )))
... ... @@ -283,9 +283,9 @@
283 283  Option: 0: no parity, 1: odd parity, 2: even parity
284 284  )))
285 285  )))
286 -|(% style="width:110px" %)(((
268 +|(% style="width:128px" %)(((
287 287  AT+STOPBIT
288 -)))|(% style="width:190px" %)(((
270 +)))|(% style="width:305px" %)(((
289 289  (((
290 290  Set serial stopbit (for RS485 connection)
291 291  )))
... ... @@ -293,7 +293,7 @@
293 293  (((
294 294  
295 295  )))
296 -)))|(% style="width:190px" %)(((
278 +)))|(% style="width:346px" %)(((
297 297  (((
298 298  AT+STOPBIT=0 for 1bit
299 299  )))
... ... @@ -307,8 +307,6 @@
307 307  )))
308 308  )))
309 309  
310 -
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -317,18 +317,16 @@
317 317  )))
318 318  )))
319 319  
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" %)(((
300 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
301 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
302 +|AT+CFGDEV|(% style="width:418px" %)(((
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:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
308 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 -
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -374,8 +374,8 @@
374 374  
375 375  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
376 376  
377 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 -|(% style="width:510px" %)(((
355 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
356 +|(% style="width:722px" %)(((
379 379  **AT+DATACUTx=a,b,c**
380 380  
381 381  * **a: length for the return of AT+COMMAND**
... ... @@ -501,35 +501,33 @@
501 501  
502 502  == 3.4 Uplink Payload ==
503 503  
482 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
483 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
484 +|Value|(% style="width:120px" %)(((
485 +Battery(mV)
504 504  
505 -[[image:image-20220606110929-1.png]]
487 +&
506 506  
489 +Interrupt _Flag
490 +)))|(% style="width:116px" %)(((
491 +PAYLOAD_VER
492 +
493 +
494 +)))|(% 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.
495 +
507 507  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
508 508  
509 509  
510 510  == 3.5 Configure RS485-BL via AT or Downlink ==
511 511  
512 -(((
513 513  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 -)))
515 515  
516 -(((
517 517  There are two kinds of Commands:
518 -)))
519 519  
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 -)))
505 +* (% 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]]
523 523  
524 -* (((
525 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
526 -)))
507 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
527 527  
528 -(((
529 -
530 -)))
531 -
532 -
533 533  === 3.5.1 Common Commands ===
534 534  
535 535  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]]
... ... @@ -548,159 +548,82 @@
548 548  
549 549  
550 550  
551 -
552 552  ==== **RS485 Debug Command** ====
553 553  
554 -(((
555 555  This command is used to configure the RS485 devices; they won’t be used during sampling.
556 -)))
557 557  
558 -* (((
559 -**AT Command**
560 -)))
531 +* **AT Command**
561 561  
562 562  (% class="box infomessage" %)
563 563  (((
564 -(((
565 565  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
566 566  )))
567 -)))
568 568  
569 -(((
570 570  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 -)))
572 572  
573 -* (((
574 -**Downlink Payload**
575 -)))
540 +* **Downlink Payload**
576 576  
577 -(((
578 578  Format: A8 MM NN XX XX XX XX YY
579 -)))
580 580  
581 -(((
582 582  Where:
583 -)))
584 584  
585 -* (((
586 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
587 -)))
588 -* (((
589 -NN: The length of RS485 command
590 -)))
591 -* (((
592 -XX XX XX XX: RS485 command total NN bytes
593 -)))
594 -* (((
595 -(((
596 -YY: How many bytes will be uplink from the return of this RS485 command,
597 -)))
546 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
547 +* NN: The length of RS485 command
548 +* XX XX XX XX: RS485 command total NN bytes
549 +* YY: How many bytes will be uplink from the return of this RS485 command,
550 +** if YY=0, RS485-LN will execute the downlink command without uplink;
551 +** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
552 +** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
598 598  
599 -* (((
600 -if YY=0, RS485-LN will execute the downlink command without uplink;
601 -)))
602 -* (((
603 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
604 -)))
605 -* (((
606 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
607 -)))
608 -)))
609 -
610 -(((
611 611  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 -)))
613 613  
614 -(((
615 615  To connect a Modbus Alarm with below commands.
616 -)))
617 617  
618 -* (((
619 -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.
620 -)))
558 +* 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.
621 621  
622 -* (((
623 -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.
624 -)))
560 +* 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.
625 625  
626 -(((
627 627  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 -)))
629 629  
630 -(((
631 631  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 -)))
633 633  
634 -(((
635 635  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 -)))
637 637  
638 -(((
639 639  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.
640 -)))
641 641  
642 -(((
643 -
644 -)))
645 645  
646 -(((
647 647  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 -)))
649 649  
650 -(((
651 651  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 -)))
653 653  
654 -(((
655 -
656 -)))
657 657  
658 -(((
659 659  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:
660 -)))
661 661  
662 -(((
663 663   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
664 -)))
665 665  
666 -(((
667 667   [[image:1654159460680-153.png]]
668 -)))
669 669  
670 670  
671 671  
672 672  ==== **Set Payload version** ====
673 673  
674 -(((
675 675  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.
676 -)))
677 677  
678 -* (((
679 -**AT Command:**
680 -)))
588 +* **AT Command:**
681 681  
682 682  (% class="box infomessage" %)
683 683  (((
684 -(((
685 685  **AT+PAYVER: Set PAYVER field = 1**
686 686  )))
687 -)))
688 688  
689 -* (((
690 -**Downlink Payload:**
691 -)))
595 +* **Downlink Payload:**
692 692  
693 -(((
694 694  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
695 -)))
696 696  
697 -(((
698 698  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
699 -)))
700 700  
701 701  
702 702  
703 -
704 704  ==== **Set RS485 Sampling Commands** ====
705 705  
706 706  AT+COMMANDx or AT+DATACUTx
... ... @@ -956,6 +956,7 @@
956 956  |**RST**|(% style="width:1420px" %)Reboot RS485
957 957  |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
958 958  
858 +
959 959  == 3.8 LEDs ==
960 960  
961 961  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -963,6 +963,7 @@
963 963  |**PWR**|Always on if there is power
964 964  |**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.
965 965  
866 +
966 966  = 4. Case Study =
967 967  
968 968  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]]
... ... @@ -1139,7 +1139,6 @@
1139 1139  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1140 1140  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1141 1141  
1142 -
1143 1143  = 9.Packing Info =
1144 1144  
1145 1145  
... ... @@ -1156,63 +1156,32 @@
1156 1156  * Package Size / pcs : 14.5 x 8 x 5 cm
1157 1157  * Weight / pcs : 170g
1158 1158  
1159 -
1160 1160  = 10. FCC Caution for RS485LN-US915 =
1161 1161  
1162 -(((
1163 1163  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1164 -)))
1165 1165  
1166 -(((
1167 1167  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.
1168 -)))
1169 1169  
1170 -(((
1171 -
1172 -)))
1173 1173  
1174 -(((
1175 1175  **IMPORTANT NOTE:**
1176 -)))
1177 1177  
1178 -(((
1179 1179  **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:
1180 -)))
1181 1181  
1182 -(((
1183 1183  —Reorient or relocate the receiving antenna.
1184 -)))
1185 1185  
1186 -(((
1187 1187  —Increase the separation between the equipment and receiver.
1188 -)))
1189 1189  
1190 -(((
1191 1191  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1192 -)))
1193 1193  
1194 -(((
1195 1195  —Consult the dealer or an experienced radio/TV technician for help.
1196 -)))
1197 1197  
1198 -(((
1199 -
1200 -)))
1201 1201  
1202 -(((
1203 1203  **FCC Radiation Exposure Statement:**
1204 -)))
1205 1205  
1206 -(((
1207 1207  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.
1208 -)))
1209 1209  
1210 1210  
1211 1211  = 11. Support =
1212 1212  
1213 -* (((
1214 -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.
1215 -)))
1216 -* (((
1217 -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]].
1218 -)))
1086 +* 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.
1087 +* 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]].
image-20220606110929-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -13.9 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0