Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.38 >
edited by Xiaoling
on 2022/06/06 09:34
To version < 58.7 >
edited by Xiaoling
on 2022/06/06 11:22
>
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Summary

Details

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Content
... ... @@ -24,23 +24,33 @@
24 24  
25 25  (((
26 26  (((
27 +(((
27 27  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.
28 28  )))
30 +)))
29 29  
30 30  (((
33 +(((
31 31  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.
32 32  )))
36 +)))
33 33  
34 34  (((
39 +(((
35 35  (% 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.
36 36  )))
42 +)))
37 37  
38 38  (((
45 +(((
39 39  (% 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 +)))
40 40  
49 +(((
41 41  (% 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]]
42 42  )))
43 43  )))
53 +)))
44 44  
45 45  [[image:1653267211009-519.png||height="419" width="724"]]
46 46  
... ... @@ -93,6 +93,7 @@
93 93  * Support Modbus protocol
94 94  * Support Interrupt uplink (Since hardware version v1.2)
95 95  
106 +
96 96  == 1.4 Applications ==
97 97  
98 98  * Smart Buildings & Home Automation
... ... @@ -102,6 +102,7 @@
102 102  * Smart Cities
103 103  * Smart Factory
104 104  
116 +
105 105  == 1.5 Firmware Change log ==
106 106  
107 107  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -111,9 +111,13 @@
111 111  
112 112  (((
113 113  (((
126 +(((
114 114  v1.2: Add External Interrupt Pin.
128 +)))
115 115  
130 +(((
116 116  v1.0: Release
132 +)))
117 117  
118 118  
119 119  )))
... ... @@ -141,7 +141,9 @@
141 141  == 3.1 How it works? ==
142 142  
143 143  (((
160 +(((
144 144  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 +)))
145 145  
146 146  
147 147  )))
... ... @@ -231,19 +231,19 @@
231 231  
232 232  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:
233 233  
234 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
236 236  **AT Commands**
237 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
238 238  **Description**
239 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
240 240  **Example**
241 241  )))
242 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
243 243  AT+BAUDR
244 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
245 245  Set the baud rate (for RS485 connection). Default Value is: 9600.
246 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
247 247  (((
248 248  AT+BAUDR=9600
249 249  )))
... ... @@ -252,11 +252,11 @@
252 252  Options: (1200,2400,4800,14400,19200,115200)
253 253  )))
254 254  )))
255 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
256 256  AT+PARITY
257 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
258 258  Set UART parity (for RS485 connection)
259 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
260 260  (((
261 261  AT+PARITY=0
262 262  )))
... ... @@ -265,9 +265,9 @@
265 265  Option: 0: no parity, 1: odd parity, 2: even parity
266 266  )))
267 267  )))
268 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
269 269  AT+STOPBIT
270 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
271 271  (((
272 272  Set serial stopbit (for RS485 connection)
273 273  )))
... ... @@ -275,7 +275,7 @@
275 275  (((
276 276  
277 277  )))
278 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
279 279  (((
280 280  AT+STOPBIT=0 for 1bit
281 281  )))
... ... @@ -289,6 +289,8 @@
289 289  )))
290 290  )))
291 291  
310 +
311 +
292 292  === 3.3.2 Configure sensors ===
293 293  
294 294  (((
... ... @@ -297,16 +297,18 @@
297 297  )))
298 298  )))
299 299  
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" %)(((
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" %)(((
303 303  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
304 304  
305 305  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
306 306  
307 307  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
308 -)))|(% 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
309 309  
330 +
331 +
310 310  === 3.3.3 Configure read commands for each sampling ===
311 311  
312 312  (((
... ... @@ -352,8 +352,8 @@
352 352  
353 353  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
354 354  
355 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
356 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
357 357  **AT+DATACUTx=a,b,c**
358 358  
359 359  * **a: length for the return of AT+COMMAND**
... ... @@ -479,33 +479,35 @@
479 479  
480 480  == 3.4 Uplink Payload ==
481 481  
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)
486 486  
487 -&
505 +[[image:image-20220606110929-1.png]]
488 488  
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 -
496 496  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
497 497  
498 498  
499 499  == 3.5 Configure RS485-BL via AT or Downlink ==
500 500  
512 +(((
501 501  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
502 502  
516 +(((
503 503  There are two kinds of Commands:
518 +)))
504 504  
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]]
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 +)))
506 506  
507 -* (% 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 +)))
508 508  
528 +(((
529 +
530 +)))
531 +
532 +
509 509  === 3.5.1 Common Commands ===
510 510  
511 511  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]]
... ... @@ -524,82 +524,160 @@
524 524  
525 525  
526 526  
551 +
527 527  ==== **RS485 Debug Command** ====
528 528  
554 +(((
529 529  This command is used to configure the RS485 devices; they won’t be used during sampling.
556 +)))
530 530  
531 -* **AT Command**
558 +* (((
559 +**AT Command**
560 +)))
532 532  
533 533  (% class="box infomessage" %)
534 534  (((
564 +(((
535 535  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
536 536  )))
567 +)))
537 537  
569 +(((
538 538  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 +)))
539 539  
540 -* **Downlink Payload**
573 +* (((
574 +**Downlink Payload**
575 +)))
541 541  
577 +(((
542 542  Format: A8 MM NN XX XX XX XX YY
579 +)))
543 543  
581 +(((
544 544  Where:
583 +)))
545 545  
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.
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 +)))
553 553  
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 +(((
554 554  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 +)))
555 555  
614 +(((
556 556  To connect a Modbus Alarm with below commands.
616 +)))
557 557  
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.
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 +)))
559 559  
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.
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 +)))
561 561  
626 +(((
562 562  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 +)))
563 563  
630 +(((
564 564  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 +)))
565 565  
634 +(((
566 566  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 +)))
567 567  
638 +(((
568 568  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 +)))
569 569  
642 +(((
643 +
644 +)))
570 570  
646 +(((
571 571  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 +)))
572 572  
650 +(((
573 573  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 +)))
574 574  
654 +(((
655 +
656 +)))
575 575  
658 +(((
576 576  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 +)))
577 577  
662 +(((
578 578   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
664 +)))
579 579  
666 +(((
580 580   [[image:1654159460680-153.png]]
668 +)))
581 581  
582 582  
583 583  
672 +
584 584  ==== **Set Payload version** ====
585 585  
675 +(((
586 586  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.
677 +)))
587 587  
588 -* **AT Command:**
679 +* (((
680 +**AT Command:**
681 +)))
589 589  
590 590  (% class="box infomessage" %)
591 591  (((
685 +(((
592 592  **AT+PAYVER: Set PAYVER field = 1**
593 593  )))
688 +)))
594 594  
595 -* **Downlink Payload:**
690 +* (((
691 +**Downlink Payload:**
692 +)))
596 596  
694 +(((
597 597  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 +)))
598 598  
698 +(((
599 599  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 +)))
600 600  
601 601  
602 602  
704 +
603 603  ==== **Set RS485 Sampling Commands** ====
604 604  
605 605  AT+COMMANDx or AT+DATACUTx
... ... @@ -855,7 +855,6 @@
855 855  |**RST**|(% style="width:1420px" %)Reboot RS485
856 856  |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
857 857  
858 -
859 859  == 3.8 LEDs ==
860 860  
861 861  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -863,7 +863,6 @@
863 863  |**PWR**|Always on if there is power
864 864  |**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.
865 865  
866 -
867 867  = 4. Case Study =
868 868  
869 869  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]]
... ... @@ -1041,7 +1041,6 @@
1041 1041  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1042 1042  
1043 1043  
1044 -
1045 1045  = 9.Packing Info =
1046 1046  
1047 1047  
... ... @@ -1059,33 +1059,62 @@
1059 1059  * Weight / pcs : 170g
1060 1060  
1061 1061  
1062 -
1063 1063  = 10. FCC Caution for RS485LN-US915 =
1064 1064  
1163 +(((
1065 1065  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1165 +)))
1066 1066  
1167 +(((
1067 1067  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.
1169 +)))
1068 1068  
1171 +(((
1172 +
1173 +)))
1069 1069  
1175 +(((
1070 1070  **IMPORTANT NOTE:**
1177 +)))
1071 1071  
1179 +(((
1072 1072  **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:
1181 +)))
1073 1073  
1183 +(((
1074 1074  —Reorient or relocate the receiving antenna.
1185 +)))
1075 1075  
1187 +(((
1076 1076  —Increase the separation between the equipment and receiver.
1189 +)))
1077 1077  
1191 +(((
1078 1078  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1193 +)))
1079 1079  
1195 +(((
1080 1080  —Consult the dealer or an experienced radio/TV technician for help.
1197 +)))
1081 1081  
1199 +(((
1200 +
1201 +)))
1082 1082  
1203 +(((
1083 1083  **FCC Radiation Exposure Statement:**
1205 +)))
1084 1084  
1207 +(((
1085 1085  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.
1209 +)))
1086 1086  
1087 1087  
1088 1088  = 11. Support =
1089 1089  
1090 -* 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.
1091 -* 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]].
1214 +* (((
1215 +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.
1216 +)))
1217 +* (((
1218 +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]].
1219 +)))
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