Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 57.15 >
edited by Xiaoling
on 2022/06/06 09:05
To version < 58.7 >
edited by Xiaoling
on 2022/06/06 11:22
>
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  )))
... ... @@ -302,15 +302,15 @@
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  
315 315  
316 316  
... ... @@ -359,8 +359,8 @@
359 359  
360 360  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
361 361  
362 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
363 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
364 364  **AT+DATACUTx=a,b,c**
365 365  
366 366  * **a: length for the return of AT+COMMAND**
... ... @@ -429,6 +429,7 @@
429 429  
430 430  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
431 431  
447 +
432 432  1. PAYVER: Defined by AT+PAYVER
433 433  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
434 434  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -485,33 +485,35 @@
485 485  
486 486  == 3.4 Uplink Payload ==
487 487  
488 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
489 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
490 -|Value|(% style="width:120px" %)(((
491 -Battery(mV)
492 492  
493 -&
505 +[[image:image-20220606110929-1.png]]
494 494  
495 -Interrupt _Flag
496 -)))|(% style="width:116px" %)(((
497 -PAYLOAD_VER
498 -
499 -
500 -)))|(% 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.
501 -
502 502  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
503 503  
504 504  
505 505  == 3.5 Configure RS485-BL via AT or Downlink ==
506 506  
512 +(((
507 507  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
508 508  
516 +(((
509 509  There are two kinds of Commands:
518 +)))
510 510  
511 -* (% 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 +)))
512 512  
513 -* (% 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 +)))
514 514  
528 +(((
529 +
530 +)))
531 +
532 +
515 515  === 3.5.1 Common Commands ===
516 516  
517 517  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]]
... ... @@ -530,82 +530,160 @@
530 530  
531 531  
532 532  
551 +
533 533  ==== **RS485 Debug Command** ====
534 534  
554 +(((
535 535  This command is used to configure the RS485 devices; they won’t be used during sampling.
556 +)))
536 536  
537 -* **AT Command**
558 +* (((
559 +**AT Command**
560 +)))
538 538  
539 539  (% class="box infomessage" %)
540 540  (((
564 +(((
541 541  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
542 542  )))
567 +)))
543 543  
569 +(((
544 544  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 +)))
545 545  
546 -* **Downlink Payload**
573 +* (((
574 +**Downlink Payload**
575 +)))
547 547  
577 +(((
548 548  Format: A8 MM NN XX XX XX XX YY
579 +)))
549 549  
581 +(((
550 550  Where:
583 +)))
551 551  
552 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
553 -* NN: The length of RS485 command
554 -* XX XX XX XX: RS485 command total NN bytes
555 -* YY: How many bytes will be uplink from the return of this RS485 command,
556 -** if YY=0, RS485-LN will execute the downlink command without uplink;
557 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
558 -** 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 +)))
559 559  
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 +(((
560 560  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 +)))
561 561  
614 +(((
562 562  To connect a Modbus Alarm with below commands.
616 +)))
563 563  
564 -* 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 +)))
565 565  
566 -* 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 +)))
567 567  
626 +(((
568 568  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 +)))
569 569  
630 +(((
570 570  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 +)))
571 571  
634 +(((
572 572  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 +)))
573 573  
638 +(((
574 574  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 +)))
575 575  
642 +(((
643 +
644 +)))
576 576  
646 +(((
577 577  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 +)))
578 578  
650 +(((
579 579  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 +)))
580 580  
654 +(((
655 +
656 +)))
581 581  
658 +(((
582 582  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 +)))
583 583  
662 +(((
584 584   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
664 +)))
585 585  
666 +(((
586 586   [[image:1654159460680-153.png]]
668 +)))
587 587  
588 588  
589 589  
672 +
590 590  ==== **Set Payload version** ====
591 591  
675 +(((
592 592  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 +)))
593 593  
594 -* **AT Command:**
679 +* (((
680 +**AT Command:**
681 +)))
595 595  
596 596  (% class="box infomessage" %)
597 597  (((
685 +(((
598 598  **AT+PAYVER: Set PAYVER field = 1**
599 599  )))
688 +)))
600 600  
601 -* **Downlink Payload:**
690 +* (((
691 +**Downlink Payload:**
692 +)))
602 602  
694 +(((
603 603  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 +)))
604 604  
698 +(((
605 605  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 +)))
606 606  
607 607  
608 608  
704 +
609 609  ==== **Set RS485 Sampling Commands** ====
610 610  
611 611  AT+COMMANDx or AT+DATACUTx
... ... @@ -736,7 +736,7 @@
736 736  
737 737  * **AT Command:**
738 738  
739 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
835 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
740 740  
741 741  
742 742  * **Downlink Payload:**
... ... @@ -760,7 +760,7 @@
760 760  
761 761  The uplink screen shot is:
762 762  
763 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
859 +[[image:1654160691922-496.png]]
764 764  
765 765  
766 766  * **Downlink Payload:**
... ... @@ -859,9 +859,8 @@
859 859  |=**Button**|=(% style="width: 1420px;" %)**Feature**
860 860  |**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**
861 861  |**RST**|(% style="width:1420px" %)Reboot RS485
862 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
958 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
863 863  
864 -
865 865  == 3.8 LEDs ==
866 866  
867 867  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -869,7 +869,6 @@
869 869  |**PWR**|Always on if there is power
870 870  |**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.
871 871  
872 -
873 873  = 4. Case Study =
874 874  
875 875  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]]
... ... @@ -889,7 +889,7 @@
889 889  [[image:1654162368066-342.png]]
890 890  
891 891  
892 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
986 +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/]]
893 893  
894 894  
895 895  == 5.2 Common AT Command Sequence ==
... ... @@ -981,7 +981,9 @@
981 981  
982 982  **Step3: **Open flashloader; choose the correct COM port to update.
983 983  
1078 +(((
984 984  (% 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.
1080 +)))
985 985  
986 986  
987 987  [[image:image-20220602175818-12.png]]
... ... @@ -1064,30 +1064,60 @@
1064 1064  
1065 1065  = 10. FCC Caution for RS485LN-US915 =
1066 1066  
1163 +(((
1067 1067  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1165 +)))
1068 1068  
1167 +(((
1069 1069  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 +)))
1070 1070  
1171 +(((
1172 +
1173 +)))
1071 1071  
1175 +(((
1072 1072  **IMPORTANT NOTE:**
1177 +)))
1073 1073  
1179 +(((
1074 1074  **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 +)))
1075 1075  
1183 +(((
1076 1076  —Reorient or relocate the receiving antenna.
1185 +)))
1077 1077  
1187 +(((
1078 1078  —Increase the separation between the equipment and receiver.
1189 +)))
1079 1079  
1191 +(((
1080 1080  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1193 +)))
1081 1081  
1195 +(((
1082 1082  —Consult the dealer or an experienced radio/TV technician for help.
1197 +)))
1083 1083  
1199 +(((
1200 +
1201 +)))
1084 1084  
1203 +(((
1085 1085  **FCC Radiation Exposure Statement:**
1205 +)))
1086 1086  
1207 +(((
1087 1087  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 +)))
1088 1088  
1089 1089  
1090 1090  = 11. Support =
1091 1091  
1092 -* 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.
1093 -* 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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