Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 57.14 >
edited by Xiaoling
on 2022/06/06 09:05
To version < 58.5 >
edited by Xiaoling
on 2022/06/06 11:21
>
Change comment: There is no comment for this version

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  
... ... @@ -82,7 +82,6 @@
82 82  * Automatic RF Sense and CAD with ultra-fast AFC.
83 83  * Packet engine up to 256 bytes with CRC
84 84  
85 -
86 86  == 1.3 Features ==
87 87  
88 88  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -114,9 +114,13 @@
114 114  
115 115  (((
116 116  (((
126 +(((
117 117  v1.2: Add External Interrupt Pin.
128 +)))
118 118  
130 +(((
119 119  v1.0: Release
132 +)))
120 120  
121 121  
122 122  )))
... ... @@ -144,7 +144,9 @@
144 144  == 3.1 How it works? ==
145 145  
146 146  (((
160 +(((
147 147  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 +)))
148 148  
149 149  
150 150  )))
... ... @@ -234,19 +234,19 @@
234 234  
235 235  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:
236 236  
237 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
238 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
239 239  **AT Commands**
240 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
241 241  **Description**
242 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
243 243  **Example**
244 244  )))
245 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
246 246  AT+BAUDR
247 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
248 248  Set the baud rate (for RS485 connection). Default Value is: 9600.
249 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
250 250  (((
251 251  AT+BAUDR=9600
252 252  )))
... ... @@ -255,11 +255,11 @@
255 255  Options: (1200,2400,4800,14400,19200,115200)
256 256  )))
257 257  )))
258 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
259 259  AT+PARITY
260 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
261 261  Set UART parity (for RS485 connection)
262 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
263 263  (((
264 264  AT+PARITY=0
265 265  )))
... ... @@ -268,9 +268,9 @@
268 268  Option: 0: no parity, 1: odd parity, 2: even parity
269 269  )))
270 270  )))
271 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
272 272  AT+STOPBIT
273 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
274 274  (((
275 275  Set serial stopbit (for RS485 connection)
276 276  )))
... ... @@ -278,7 +278,7 @@
278 278  (((
279 279  
280 280  )))
281 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
282 282  (((
283 283  AT+STOPBIT=0 for 1bit
284 284  )))
... ... @@ -302,16 +302,18 @@
302 302  )))
303 303  )))
304 304  
305 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
306 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
307 -|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" %)(((
308 308  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
309 309  
310 310  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
311 311  
312 312  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
313 -)))|(% 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
314 314  
330 +
331 +
315 315  === 3.3.3 Configure read commands for each sampling ===
316 316  
317 317  (((
... ... @@ -357,8 +357,8 @@
357 357  
358 358  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
359 359  
360 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
361 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
362 362  **AT+DATACUTx=a,b,c**
363 363  
364 364  * **a: length for the return of AT+COMMAND**
... ... @@ -427,6 +427,7 @@
427 427  
428 428  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
429 429  
447 +
430 430  1. PAYVER: Defined by AT+PAYVER
431 431  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
432 432  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -483,33 +483,35 @@
483 483  
484 484  == 3.4 Uplink Payload ==
485 485  
486 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
487 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
488 -|Value|(% style="width:120px" %)(((
489 -Battery(mV)
490 490  
491 -&
505 +[[image:image-20220606110929-1.png]]
492 492  
493 -Interrupt _Flag
494 -)))|(% style="width:116px" %)(((
495 -PAYLOAD_VER
496 -
497 -
498 -)))|(% 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.
499 -
500 500  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
501 501  
502 502  
503 503  == 3.5 Configure RS485-BL via AT or Downlink ==
504 504  
512 +(((
505 505  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
506 506  
516 +(((
507 507  There are two kinds of Commands:
518 +)))
508 508  
509 -* (% 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]]
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 +)))
510 510  
511 -* (% 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 +)))
512 512  
528 +(((
529 +
530 +)))
531 +
532 +
513 513  === 3.5.1 Common Commands ===
514 514  
515 515  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]]
... ... @@ -530,77 +530,152 @@
530 530  
531 531  ==== **RS485 Debug Command** ====
532 532  
553 +(((
533 533  This command is used to configure the RS485 devices; they won’t be used during sampling.
555 +)))
534 534  
535 -* **AT Command**
557 +* (((
558 +**AT Command**
559 +)))
536 536  
537 537  (% class="box infomessage" %)
538 538  (((
563 +(((
539 539  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
540 540  )))
566 +)))
541 541  
568 +(((
542 542  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
570 +)))
543 543  
544 -* **Downlink Payload**
572 +* (((
573 +**Downlink Payload**
574 +)))
545 545  
576 +(((
546 546  Format: A8 MM NN XX XX XX XX YY
578 +)))
547 547  
580 +(((
548 548  Where:
582 +)))
549 549  
550 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
551 -* NN: The length of RS485 command
552 -* XX XX XX XX: RS485 command total NN bytes
553 -* YY: How many bytes will be uplink from the return of this RS485 command,
554 -** if YY=0, RS485-LN will execute the downlink command without uplink;
555 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
556 -** 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 +)))
557 557  
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 +(((
558 558  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
611 +)))
559 559  
613 +(((
560 560  To connect a Modbus Alarm with below commands.
615 +)))
561 561  
562 -* 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 +)))
563 563  
564 -* 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 +)))
565 565  
625 +(((
566 566  So if user want to use downlink command to control to RS485 Alarm, he can use:
627 +)))
567 567  
629 +(((
568 568  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
631 +)))
569 569  
633 +(((
570 570  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
635 +)))
571 571  
637 +(((
572 572  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 +)))
573 573  
641 +(((
642 +
643 +)))
574 574  
645 +(((
575 575  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
647 +)))
576 576  
649 +(((
577 577  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
651 +)))
578 578  
653 +(((
654 +
655 +)))
579 579  
657 +(((
580 580  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 +)))
581 581  
661 +(((
582 582   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
663 +)))
583 583  
665 +(((
584 584   [[image:1654159460680-153.png]]
667 +)))
585 585  
586 586  
587 587  
588 588  ==== **Set Payload version** ====
589 589  
673 +(((
590 590  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.
675 +)))
591 591  
592 -* **AT Command:**
677 +* (((
678 +**AT Command:**
679 +)))
593 593  
594 594  (% class="box infomessage" %)
595 595  (((
683 +(((
596 596  **AT+PAYVER: Set PAYVER field = 1**
597 597  )))
686 +)))
598 598  
599 -* **Downlink Payload:**
688 +* (((
689 +**Downlink Payload:**
690 +)))
600 600  
692 +(((
601 601  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
694 +)))
602 602  
696 +(((
603 603  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
698 +)))
604 604  
605 605  
606 606  
... ... @@ -734,7 +734,7 @@
734 734  
735 735  * **AT Command:**
736 736  
737 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
832 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
738 738  
739 739  
740 740  * **Downlink Payload:**
... ... @@ -758,7 +758,7 @@
758 758  
759 759  The uplink screen shot is:
760 760  
761 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
856 +[[image:1654160691922-496.png]]
762 762  
763 763  
764 764  * **Downlink Payload:**
... ... @@ -857,9 +857,8 @@
857 857  |=**Button**|=(% style="width: 1420px;" %)**Feature**
858 858  |**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**
859 859  |**RST**|(% style="width:1420px" %)Reboot RS485
860 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
955 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
861 861  
862 -
863 863  == 3.8 LEDs ==
864 864  
865 865  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -867,7 +867,6 @@
867 867  |**PWR**|Always on if there is power
868 868  |**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.
869 869  
870 -
871 871  = 4. Case Study =
872 872  
873 873  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]]
... ... @@ -887,7 +887,7 @@
887 887  [[image:1654162368066-342.png]]
888 888  
889 889  
890 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
983 +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/]]
891 891  
892 892  
893 893  == 5.2 Common AT Command Sequence ==
... ... @@ -979,7 +979,9 @@
979 979  
980 980  **Step3: **Open flashloader; choose the correct COM port to update.
981 981  
1075 +(((
982 982  (% 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.
1077 +)))
983 983  
984 984  
985 985  [[image:image-20220602175818-12.png]]
... ... @@ -1062,30 +1062,60 @@
1062 1062  
1063 1063  = 10. FCC Caution for RS485LN-US915 =
1064 1064  
1160 +(((
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.
1162 +)))
1066 1066  
1164 +(((
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.
1166 +)))
1068 1068  
1168 +(((
1169 +
1170 +)))
1069 1069  
1172 +(((
1070 1070  **IMPORTANT NOTE:**
1174 +)))
1071 1071  
1176 +(((
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:
1178 +)))
1073 1073  
1180 +(((
1074 1074  —Reorient or relocate the receiving antenna.
1182 +)))
1075 1075  
1184 +(((
1076 1076  —Increase the separation between the equipment and receiver.
1186 +)))
1077 1077  
1188 +(((
1078 1078  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1190 +)))
1079 1079  
1192 +(((
1080 1080  —Consult the dealer or an experienced radio/TV technician for help.
1194 +)))
1081 1081  
1196 +(((
1197 +
1198 +)))
1082 1082  
1200 +(((
1083 1083  **FCC Radiation Exposure Statement:**
1202 +)))
1084 1084  
1204 +(((
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.
1206 +)))
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]].
1211 +* (((
1212 +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.
1213 +)))
1214 +* (((
1215 +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]].
1216 +)))
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