Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.25 >
edited by Xiaoling
on 2022/06/06 09:16
To version < 58.6 >
edited by Xiaoling
on 2022/06/06 11:21
>
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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  )))
... ... @@ -290,6 +290,7 @@
290 290  )))
291 291  
292 292  
311 +
293 293  === 3.3.2 Configure sensors ===
294 294  
295 295  (((
... ... @@ -298,17 +298,18 @@
298 298  )))
299 299  )))
300 300  
301 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
302 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
303 -|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" %)(((
304 304  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
305 305  
306 306  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
307 307  
308 308  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
309 -)))|(% 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
310 310  
311 311  
331 +
312 312  === 3.3.3 Configure read commands for each sampling ===
313 313  
314 314  (((
... ... @@ -354,8 +354,8 @@
354 354  
355 355  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
356 356  
357 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
358 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
359 359  **AT+DATACUTx=a,b,c**
360 360  
361 361  * **a: length for the return of AT+COMMAND**
... ... @@ -481,34 +481,35 @@
481 481  
482 482  == 3.4 Uplink Payload ==
483 483  
484 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
485 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
486 -|Value|(% style="width:120px" %)(((
487 -Battery(mV)
488 488  
489 -&
505 +[[image:image-20220606110929-1.png]]
490 490  
491 -Interrupt _Flag
492 -)))|(% style="width:116px" %)(((
493 -PAYLOAD_VER
494 -
495 -
496 -)))|(% 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.
497 -
498 498  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
499 499  
500 500  
501 501  == 3.5 Configure RS485-BL via AT or Downlink ==
502 502  
512 +(((
503 503  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
504 504  
516 +(((
505 505  There are two kinds of Commands:
518 +)))
506 506  
507 -* (% 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 +)))
508 508  
509 -* (% 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 +)))
510 510  
528 +(((
529 +
530 +)))
511 511  
532 +
512 512  === 3.5.1 Common Commands ===
513 513  
514 514  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]]
... ... @@ -527,82 +527,159 @@
527 527  
528 528  
529 529  
551 +
530 530  ==== **RS485 Debug Command** ====
531 531  
554 +(((
532 532  This command is used to configure the RS485 devices; they won’t be used during sampling.
556 +)))
533 533  
534 -* **AT Command**
558 +* (((
559 +**AT Command**
560 +)))
535 535  
536 536  (% class="box infomessage" %)
537 537  (((
564 +(((
538 538  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
539 539  )))
567 +)))
540 540  
569 +(((
541 541  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 +)))
542 542  
543 -* **Downlink Payload**
573 +* (((
574 +**Downlink Payload**
575 +)))
544 544  
577 +(((
545 545  Format: A8 MM NN XX XX XX XX YY
579 +)))
546 546  
581 +(((
547 547  Where:
583 +)))
548 548  
549 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
550 -* NN: The length of RS485 command
551 -* XX XX XX XX: RS485 command total NN bytes
552 -* YY: How many bytes will be uplink from the return of this RS485 command,
553 -** if YY=0, RS485-LN will execute the downlink command without uplink;
554 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
555 -** 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 +)))
556 556  
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 +(((
557 557  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 +)))
558 558  
614 +(((
559 559  To connect a Modbus Alarm with below commands.
616 +)))
560 560  
561 -* 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 +)))
562 562  
563 -* 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 +)))
564 564  
626 +(((
565 565  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 +)))
566 566  
630 +(((
567 567  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 +)))
568 568  
634 +(((
569 569  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 +)))
570 570  
638 +(((
571 571  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 +)))
572 572  
642 +(((
643 +
644 +)))
573 573  
646 +(((
574 574  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 +)))
575 575  
650 +(((
576 576  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 +)))
577 577  
654 +(((
655 +
656 +)))
578 578  
658 +(((
579 579  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 +)))
580 580  
662 +(((
581 581   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
664 +)))
582 582  
666 +(((
583 583   [[image:1654159460680-153.png]]
668 +)))
584 584  
585 585  
586 586  
587 587  ==== **Set Payload version** ====
588 588  
674 +(((
589 589  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 +)))
590 590  
591 -* **AT Command:**
678 +* (((
679 +**AT Command:**
680 +)))
592 592  
593 593  (% class="box infomessage" %)
594 594  (((
684 +(((
595 595  **AT+PAYVER: Set PAYVER field = 1**
596 596  )))
687 +)))
597 597  
598 -* **Downlink Payload:**
689 +* (((
690 +**Downlink Payload:**
691 +)))
599 599  
693 +(((
600 600  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
695 +)))
601 601  
697 +(((
602 602  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
699 +)))
603 603  
604 604  
605 605  
703 +
606 606  ==== **Set RS485 Sampling Commands** ====
607 607  
608 608  AT+COMMANDx or AT+DATACUTx
... ... @@ -856,7 +856,7 @@
856 856  |=**Button**|=(% style="width: 1420px;" %)**Feature**
857 857  |**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**
858 858  |**RST**|(% style="width:1420px" %)Reboot RS485
859 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
957 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
860 860  
861 861  == 3.8 LEDs ==
862 862  
... ... @@ -884,7 +884,7 @@
884 884  [[image:1654162368066-342.png]]
885 885  
886 886  
887 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
985 +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/]]
888 888  
889 889  
890 890  == 5.2 Common AT Command Sequence ==
... ... @@ -976,7 +976,9 @@
976 976  
977 977  **Step3: **Open flashloader; choose the correct COM port to update.
978 978  
1077 +(((
979 979  (% 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.
1079 +)))
980 980  
981 981  
982 982  [[image:image-20220602175818-12.png]]
... ... @@ -1039,6 +1039,7 @@
1039 1039  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1040 1040  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1041 1041  
1142 +
1042 1042  = 9.Packing Info =
1043 1043  
1044 1044  
... ... @@ -1055,32 +1055,63 @@
1055 1055  * Package Size / pcs : 14.5 x 8 x 5 cm
1056 1056  * Weight / pcs : 170g
1057 1057  
1159 +
1058 1058  = 10. FCC Caution for RS485LN-US915 =
1059 1059  
1162 +(((
1060 1060  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1164 +)))
1061 1061  
1166 +(((
1062 1062  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 +)))
1063 1063  
1170 +(((
1171 +
1172 +)))
1064 1064  
1174 +(((
1065 1065  **IMPORTANT NOTE:**
1176 +)))
1066 1066  
1178 +(((
1067 1067  **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 +)))
1068 1068  
1182 +(((
1069 1069  —Reorient or relocate the receiving antenna.
1184 +)))
1070 1070  
1186 +(((
1071 1071  —Increase the separation between the equipment and receiver.
1188 +)))
1072 1072  
1190 +(((
1073 1073  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1192 +)))
1074 1074  
1194 +(((
1075 1075  —Consult the dealer or an experienced radio/TV technician for help.
1196 +)))
1076 1076  
1198 +(((
1199 +
1200 +)))
1077 1077  
1202 +(((
1078 1078  **FCC Radiation Exposure Statement:**
1204 +)))
1079 1079  
1206 +(((
1080 1080  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 +)))
1081 1081  
1082 1082  
1083 1083  = 11. Support =
1084 1084  
1085 -* 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.
1086 -* 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]].
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 +)))
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