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... ... @@ -6,12 +6,18 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 +
10 +
9 9  **Table of Contents:**
10 10  
13 +{{toc/}}
11 11  
12 12  
13 13  
14 14  
18 +
19 +
20 +
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -18,23 +18,33 @@
18 18  
19 19  (((
20 20  (((
27 +(((
21 21  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.
22 22  )))
30 +)))
23 23  
24 24  (((
33 +(((
25 25  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.
26 26  )))
36 +)))
27 27  
28 28  (((
39 +(((
29 29  (% 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.
30 30  )))
42 +)))
31 31  
32 32  (((
45 +(((
33 33  (% 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 +)))
34 34  
49 +(((
35 35  (% 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]]
36 36  )))
37 37  )))
53 +)))
38 38  
39 39  [[image:1653267211009-519.png||height="419" width="724"]]
40 40  
... ... @@ -74,7 +74,7 @@
74 74  * Preamble detection.
75 75  * 127 dB Dynamic Range RSSI.
76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 -* Packet engine up to 256 bytes with CRC.
93 +* Packet engine up to 256 bytes with CRC
78 78  
79 79  == 1.3 Features ==
80 80  
... ... @@ -87,6 +87,7 @@
87 87  * Support Modbus protocol
88 88  * Support Interrupt uplink (Since hardware version v1.2)
89 89  
106 +
90 90  == 1.4 Applications ==
91 91  
92 92  * Smart Buildings & Home Automation
... ... @@ -96,6 +96,7 @@
96 96  * Smart Cities
97 97  * Smart Factory
98 98  
116 +
99 99  == 1.5 Firmware Change log ==
100 100  
101 101  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -105,9 +105,13 @@
105 105  
106 106  (((
107 107  (((
126 +(((
108 108  v1.2: Add External Interrupt Pin.
128 +)))
109 109  
130 +(((
110 110  v1.0: Release
132 +)))
111 111  
112 112  
113 113  )))
... ... @@ -135,7 +135,9 @@
135 135  == 3.1 How it works? ==
136 136  
137 137  (((
160 +(((
138 138  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 +)))
139 139  
140 140  
141 141  )))
... ... @@ -159,7 +159,7 @@
159 159  [[image:1653268227651-549.png||height="592" width="720"]]
160 160  
161 161  (((
162 -The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
186 +The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
163 163  )))
164 164  
165 165  (((
... ... @@ -211,7 +211,7 @@
211 211  
212 212  (((
213 213  (((
214 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
238 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
215 215  )))
216 216  
217 217  (((
... ... @@ -225,19 +225,19 @@
225 225  
226 226  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:
227 227  
228 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
230 230  **AT Commands**
231 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
232 232  **Description**
233 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
234 234  **Example**
235 235  )))
236 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
237 237  AT+BAUDR
238 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
239 239  Set the baud rate (for RS485 connection). Default Value is: 9600.
240 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
241 241  (((
242 242  AT+BAUDR=9600
243 243  )))
... ... @@ -246,11 +246,11 @@
246 246  Options: (1200,2400,4800,14400,19200,115200)
247 247  )))
248 248  )))
249 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
250 250  AT+PARITY
251 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
252 252  Set UART parity (for RS485 connection)
253 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
254 254  (((
255 255  AT+PARITY=0
256 256  )))
... ... @@ -259,9 +259,9 @@
259 259  Option: 0: no parity, 1: odd parity, 2: even parity
260 260  )))
261 261  )))
262 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
263 263  AT+STOPBIT
264 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
265 265  (((
266 266  Set serial stopbit (for RS485 connection)
267 267  )))
... ... @@ -269,7 +269,7 @@
269 269  (((
270 270  
271 271  )))
272 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
273 273  (((
274 274  AT+STOPBIT=0 for 1bit
275 275  )))
... ... @@ -283,6 +283,8 @@
283 283  )))
284 284  )))
285 285  
310 +
311 +
286 286  === 3.3.2 Configure sensors ===
287 287  
288 288  (((
... ... @@ -291,16 +291,18 @@
291 291  )))
292 292  )))
293 293  
294 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
295 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
296 -|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" %)(((
297 297  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
298 298  
299 299  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
300 300  
301 301  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302 -)))|(% 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
303 303  
330 +
331 +
304 304  === 3.3.3 Configure read commands for each sampling ===
305 305  
306 306  (((
... ... @@ -346,8 +346,8 @@
346 346  
347 347  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
348 348  
349 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
351 351  **AT+DATACUTx=a,b,c**
352 352  
353 353  * **a: length for the return of AT+COMMAND**
... ... @@ -416,6 +416,7 @@
416 416  
417 417  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418 418  
447 +
419 419  1. PAYVER: Defined by AT+PAYVER
420 420  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421 421  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -446,583 +446,836 @@
446 446  
447 447  Below are the uplink payloads:
448 448  
449 -[[image:1653270130359-810.png]]
478 +[[image:1654157178836-407.png]]
450 450  
451 451  
452 -(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
453 -
454 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
455 -
456 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
457 -
458 - * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
459 -
460 - ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
461 -
462 462  === 3.3.5 Uplink on demand ===
463 463  
464 -Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
483 +Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
465 465  
466 466  Downlink control command:
467 467  
468 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
487 +**0x08 command**: Poll an uplink with current command set in RS485-LN.
469 469  
470 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
489 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
471 471  
472 472  
473 473  
474 -1.
475 -11.
476 -111. Uplink on Interrupt
493 +=== 3.3.6 Uplink on Interrupt ===
477 477  
478 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
495 +RS485-LN support external Interrupt uplink since hardware v1.2 release.
479 479  
480 -AT+INTMOD=0  Disable Interrupt
497 +[[image:1654157342174-798.png]]
481 481  
482 -AT+INTMOD=1  Interrupt trigger by rising or falling edge.
499 +Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
483 483  
484 -AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
485 485  
486 -AT+INTMOD=3  Interrupt trigger by rising edge.
502 +== 3.4 Uplink Payload ==
487 487  
488 488  
489 -1.
490 -11. Uplink Payload
505 +[[image:image-20220606110929-1.png]]
491 491  
492 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
493 -|Value|(((
494 -Battery(mV)
495 -
496 -&
497 -
498 -Interrupt _Flag
499 -)))|(((
500 -PAYLOAD_VER
501 -
502 -
503 -)))|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.
504 -
505 505  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
506 506  
507 507  
508 -function Decoder(bytes, port) {
510 +== 3.5 Configure RS485-BL via AT or Downlink ==
509 509  
510 -~/~/Payload Formats of RS485-BL Deceive
512 +(((
513 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
511 511  
512 -return {
513 -
514 - ~/~/Battery,units:V
515 -
516 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
517 -
518 - ~/~/GPIO_EXTI 
519 -
520 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
521 -
522 - ~/~/payload of version
523 -
524 - Pay_ver:bytes[2],
525 -
526 - };
527 -
528 - }
529 -
530 -
531 -
532 -
533 -
534 -
535 -
536 -TTN V3 uplink screen shot.
537 -
538 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
539 -
540 -1.
541 -11. Configure RS485-BL via AT or Downlink
542 -
543 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
544 -
516 +(((
545 545  There are two kinds of Commands:
518 +)))
546 546  
547 -* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
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 +)))
548 548  
549 -* **Sensor Related Commands**: These commands are special designed for RS485-BL.  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 +)))
550 550  
551 -1.
552 -11.
553 -111. Common Commands:
528 +(((
529 +
530 +)))
554 554  
555 -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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
556 556  
533 +=== 3.5.1 Common Commands ===
557 557  
558 -1.
559 -11.
560 -111. Sensor related commands:
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]]
561 561  
562 -==== Choose Device Type (RS485 or TTL) ====
563 563  
564 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
538 +=== 3.5.2 Sensor related commands ===
565 565  
566 -* AT Command
540 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
567 567  
568 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
542 +[[image:image-20220602163333-5.png||height="263" width="1160"]]
569 569  
570 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
544 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
571 571  
572 572  
573 -* Downlink Payload
547 +=== 3.5.3 Sensor related commands ===
574 574  
575 -**0A aa**     à same as AT+MOD=aa
576 576  
577 577  
578 578  
579 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
552 +==== **RS485 Debug Command** ====
580 580  
581 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
554 +(((
555 +This command is used to configure the RS485 devices; they won’t be used during sampling.
556 +)))
582 582  
583 -* AT Command
558 +* (((
559 +**AT Command**
560 +)))
584 584  
585 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
562 +(% class="box infomessage" %)
563 +(((
564 +(((
565 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
566 +)))
567 +)))
586 586  
587 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
569 +(((
570 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 +)))
588 588  
573 +* (((
574 +**Downlink Payload**
575 +)))
589 589  
590 -
591 -* Downlink Payload
592 -
577 +(((
593 593  Format: A8 MM NN XX XX XX XX YY
579 +)))
594 594  
581 +(((
595 595  Where:
583 +)))
596 596  
597 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
598 -* NN: The length of RS485 command
599 -* XX XX XX XX: RS485 command total NN bytes
600 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
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 +)))
601 601  
602 -**Example 1:**
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 +)))
603 603  
610 +(((
611 +**Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 +)))
613 +
614 +(((
604 604  To connect a Modbus Alarm with below commands.
616 +)))
605 605  
606 -* 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 +)))
607 607  
608 -* 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 +)))
609 609  
626 +(((
610 610  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 +)))
611 611  
612 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
630 +(((
631 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 +)))
613 613  
614 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
634 +(((
635 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 +)))
615 615  
638 +(((
616 616  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 +)))
617 617  
642 +(((
643 +
644 +)))
618 618  
619 -**Example 2:**
646 +(((
647 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 +)))
620 620  
621 -Check TTL Sensor return:
650 +(((
651 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 +)))
622 622  
623 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
654 +(((
655 +
656 +)))
624 624  
658 +(((
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 +)))
625 625  
662 +(((
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 +)))
626 626  
666 +(((
667 + [[image:1654159460680-153.png]]
668 +)))
627 627  
628 -==== Set Payload version ====
629 629  
671 +
672 +
673 +==== **Set Payload version** ====
674 +
675 +(((
630 630  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 +)))
631 631  
632 -* AT Command:
679 +* (((
680 +**AT Command:**
681 +)))
633 633  
634 -AT+PAYVER: Set PAYVER field = 1
683 +(% class="box infomessage" %)
684 +(((
685 +(((
686 +**AT+PAYVER: Set PAYVER field = 1**
687 +)))
688 +)))
635 635  
690 +* (((
691 +**Downlink Payload:**
692 +)))
636 636  
637 -* Downlink Payload:
694 +(((
695 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 +)))
638 638  
639 -0xAE 01   à Set PAYVER field =  0x01
698 +(((
699 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 +)))
640 640  
641 -0xAE 0F   à Set PAYVER field =  0x0F
642 642  
643 643  
644 -==== Set RS485 Sampling Commands ====
645 645  
646 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
705 +==== **Set RS485 Sampling Commands** ====
647 647  
648 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
707 +(((
708 +AT+COMMANDx or AT+DATACUTx
709 +)))
649 649  
711 +(((
712 +These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
713 +)))
650 650  
651 -* AT Command:
715 +(((
716 +
717 +)))
652 652  
653 -AT+COMMANDx: Configure RS485 read command to sensor.
719 +* (((
720 +**AT Command:**
721 +)))
654 654  
655 -AT+DATACUTx: Configure how to handle return from RS485 devices.
723 +(% class="box infomessage" %)
724 +(((
725 +(((
726 +**AT+COMMANDx: Configure RS485 read command to sensor.**
727 +)))
728 +)))
656 656  
657 -AT+SEARCHx: Configure search command
730 +(% class="box infomessage" %)
731 +(((
732 +(((
733 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
734 +)))
735 +)))
658 658  
737 +(((
738 +
739 +)))
659 659  
660 -* Downlink Payload:
741 +* (((
742 +**Downlink Payload:**
743 +)))
661 661  
662 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
745 +(((
746 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
747 +)))
663 663  
664 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
749 +(((
750 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
751 +)))
665 665  
753 +(((
666 666  Format: AF MM NN LL XX XX XX XX YY
755 +)))
667 667  
757 +(((
668 668  Where:
759 +)))
669 669  
670 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
671 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
672 -* LL: The length of AT+COMMAND or AT+DATACUT command
673 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
674 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
761 +* (((
762 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
763 +)))
764 +* (((
765 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
766 +)))
767 +* (((
768 +LL:  The length of AT+COMMAND or AT+DATACUT command
769 +)))
770 +* (((
771 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
772 +)))
773 +* (((
774 +YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
775 +)))
675 675  
676 -Example:
777 +(((
778 +**Example:**
779 +)))
677 677  
678 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
781 +(((
782 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
783 +)))
679 679  
680 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
785 +(((
786 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
787 +)))
681 681  
682 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
789 +(((
790 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
791 +)))
683 683  
684 684  
685 -0xAB downlink command can be used for set AT+SEARCHx
686 686  
687 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
688 688  
689 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
690 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
796 +==== **Fast command to handle MODBUS device** ====
691 691  
692 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
798 +(((
799 +AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
800 +)))
693 693  
802 +(((
803 +This command is valid since v1.3 firmware version
804 +)))
694 694  
695 -==== Fast command to handle MODBUS device ====
806 +(((
807 +AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
808 +)))
696 696  
697 -AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
810 +(((
811 +
812 +)))
698 698  
699 -This command is valid since v1.3 firmware version
814 +(((
815 +**Example:**
816 +)))
700 700  
818 +* (((
819 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
820 +)))
821 +* (((
822 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
823 +)))
824 +* (((
825 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
826 +)))
701 701  
702 -AT+MBFUN has only two value:
828 +[[image:image-20220602165351-6.png]]
703 703  
704 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
830 +[[image:image-20220602165351-7.png]]
705 705  
706 -AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
707 707  
708 -* AT+MBFUN=0: Disable Modbus fast reading.
709 709  
710 -Example:
711 711  
712 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
713 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
714 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
835 +==== **RS485 command timeout** ====
715 715  
716 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
837 +(((
838 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
839 +)))
717 717  
841 +(((
842 +Default value: 0, range:  0 ~~ 65 seconds
843 +)))
718 718  
719 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
845 +* (((
846 +**AT Command:**
847 +)))
720 720  
849 +(% class="box infomessage" %)
850 +(((
851 +(((
852 +**AT+CMDDLaa=hex(bb cc)*1000**
853 +)))
854 +)))
721 721  
722 -* Downlink Commands:
856 +(((
857 +**Example:**
858 +)))
723 723  
724 -A9 aa -à Same as AT+MBFUN=aa
860 +(((
861 +**AT+CMDDL1=1000** to send the open time to 1000ms
862 +)))
725 725  
864 +(((
865 +
866 +)))
726 726  
727 -==== RS485 command timeout ====
868 +* (((
869 +**Downlink Payload:**
870 +)))
728 728  
729 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
872 +(((
873 +**0x AA aa bb cc**
874 +)))
730 730  
731 -Default value: 0, range:  0 ~~ 5 seconds
876 +(((
877 +Same as: AT+CMDDLaa=hex(bb cc)*1000
878 +)))
732 732  
880 +(((
881 + **Example:**
882 +)))
733 733  
734 -* AT Command:
884 +(((
885 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
886 +)))
735 735  
736 -AT+CMDDLaa=hex(bb cc)
737 737  
738 -Example:
739 739  
740 -**AT+CMDDL1=1000** to send the open time to 1000ms
741 741  
891 +==== **Uplink payload mode** ====
742 742  
743 -* Downlink Payload:
893 +(((
894 +Define to use one uplink or multiple uplinks for the sampling.
895 +)))
744 744  
745 -0x AA aa bb cc
897 +(((
898 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
899 +)))
746 746  
747 -Same as: AT+CMDDLaa=hex(bb cc)
901 +* (((
902 +**AT Command:**
903 +)))
748 748  
749 - Example:
905 +(% class="box infomessage" %)
906 +(((
907 +(((
908 +**AT+DATAUP=0**
909 +)))
910 +)))
750 750  
751 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
912 +(% class="box infomessage" %)
913 +(((
914 +(((
915 +**AT+DATAUP=1**
916 +)))
917 +)))
752 752  
919 +(((
920 +
921 +)))
753 753  
754 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
923 +* (((
924 +**Downlink Payload:**
925 +)))
755 755  
756 -Define to use one uplink or multiple uplinks for the sampling.
927 +(((
928 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
929 +)))
757 757  
758 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
931 +(((
932 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
933 +)))
759 759  
760 -* AT Command:
761 761  
762 -AT+DATAUP=0
763 763  
764 -AT+DATAUP=1
765 765  
938 +==== **Manually trigger an Uplink** ====
766 766  
767 -* Downlink Payload:
940 +(((
941 +Ask device to send an uplink immediately.
942 +)))
768 768  
769 -0xAD 00   à Same as AT+DATAUP=0
944 +* (((
945 +**AT Command:**
946 +)))
770 770  
771 -0xAD 01   à Same as AT+DATAUP=1
948 +(((
949 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
950 +)))
772 772  
952 +(((
953 +
954 +)))
773 773  
774 -==== Manually trigger an Uplink ====
956 +* (((
957 +**Downlink Payload:**
958 +)))
775 775  
776 -Ask device to send an uplink immediately.
960 +(((
961 +**0x08 FF**, RS485-LN will immediately send an uplink.
962 +)))
777 777  
778 -* Downlink Payload:
779 779  
780 -0x08 FF, RS485-BL will immediately send an uplink.
781 781  
782 782  
783 -==== Clear RS485 Command ====
967 +==== **Clear RS485 Command** ====
784 784  
969 +(((
785 785  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
971 +)))
786 786  
973 +* (((
974 +**AT Command:**
975 +)))
787 787  
788 -* AT Command:
789 -
977 +(((
790 790  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
979 +)))
791 791  
981 +(((
792 792  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
983 +)))
793 793  
985 +(((
794 794  Example screen shot after clear all RS485 commands. 
987 +)))
795 795  
989 +(((
990 +
991 +)))
796 796  
797 -
993 +(((
798 798  The uplink screen shot is:
995 +)))
799 799  
800 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
997 +[[image:1654160691922-496.png]]
801 801  
802 802  
803 -* Downlink Payload:
1000 +* (((
1001 +**Downlink Payload:**
1002 +)))
804 804  
805 -0x09 aa bb same as AT+CMDEAR=aa,bb
1004 +(((
1005 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1006 +)))
806 806  
807 807  
808 -==== Set Serial Communication Parameters ====
809 809  
1010 +
1011 +==== **Set Serial Communication Parameters** ====
1012 +
1013 +(((
810 810  Set the Rs485 serial communication parameters:
1015 +)))
811 811  
812 -* AT Command:
1017 +* (((
1018 +**AT Command:**
1019 +)))
813 813  
1021 +(((
814 814  Set Baud Rate:
1023 +)))
815 815  
816 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1025 +(% class="box infomessage" %)
1026 +(((
1027 +(((
1028 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1029 +)))
1030 +)))
817 817  
1032 +(((
1033 +Set UART Parity
1034 +)))
818 818  
819 -Set UART parity
1036 +(% class="box infomessage" %)
1037 +(((
1038 +(((
1039 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1040 +)))
1041 +)))
820 820  
821 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
822 -
823 -
1043 +(((
824 824  Set STOPBIT
1045 +)))
825 825  
826 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1047 +(% class="box infomessage" %)
1048 +(((
1049 +(((
1050 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1051 +)))
1052 +)))
827 827  
1054 +(((
1055 +
1056 +)))
828 828  
829 -* Downlink Payload:
1058 +* (((
1059 +**Downlink Payload:**
1060 +)))
830 830  
831 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1062 +(((
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1064 +)))
832 832  
833 -Example:
1066 +(((
1067 +**Example:**
1068 +)))
834 834  
835 -* A7 01 00 60   same as AT+BAUDR=9600
836 -* A7 01 04 80  same as AT+BAUDR=115200
1070 +* (((
1071 +A7 01 00 60   same as AT+BAUDR=9600
1072 +)))
1073 +* (((
1074 +A7 01 04 80  same as AT+BAUDR=115200
1075 +)))
837 837  
1077 +(((
838 838  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1079 +)))
839 839  
1081 +(((
840 840  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1083 +)))
841 841  
842 842  
843 -==== Control output power duration ====
844 844  
845 -User can set the output power duration before each sampling.
846 846  
847 -* AT Command:
1088 +== 3.6 Listening mode for RS485 network ==
848 848  
849 -Example:
1090 +(((
1091 +This feature support since firmware v1.4
1092 +)))
850 850  
851 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1094 +(((
1095 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1096 +)))
852 852  
853 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1098 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
854 854  
1100 +(((
1101 +To enable the listening mode, use can run the command AT+RXMODE.
1102 +)))
855 855  
856 -* LoRaWAN Downlink Command:
1104 +(((
1105 +
1106 +)))
857 857  
858 -07 01 aa bb  Same as AT+5VT=(aa bb)
1108 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1109 +|=(% style="width: 161px;" %)(((
1110 +**Command example:**
1111 +)))|=(% style="width: 337px;" %)(((
1112 +**Function**
1113 +)))
1114 +|(% style="width:161px" %)(((
1115 +AT+RXMODE=1,10
1116 +)))|(% style="width:337px" %)(((
1117 +Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1118 +)))
1119 +|(% style="width:161px" %)(((
1120 +AT+RXMODE=2,500
1121 +)))|(% style="width:337px" %)(((
1122 +Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1123 +)))
1124 +|(% style="width:161px" %)(((
1125 +AT+RXMODE=0,0
1126 +)))|(% style="width:337px" %)(((
1127 +Disable listening mode. This is the default settings.
1128 +)))
1129 +|(% style="width:161px" %)(((
1130 +
1131 +)))|(% style="width:337px" %)(((
1132 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1133 +)))
859 859  
860 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1135 +(((
1136 +**Downlink Command:**
1137 +)))
861 861  
1139 +(((
1140 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1141 +)))
862 862  
1143 +(((
1144 +
1145 +)))
863 863  
1147 +(((
1148 +**Example**:
1149 +)))
864 864  
865 -1.
866 -11. Buttons
1151 +(((
1152 +The RS485-LN is set to AT+RXMODE=2,1000
1153 +)))
867 867  
868 -|**Button**|**Feature**
869 -|**RST**|Reboot RS485-BL
1155 +(((
1156 +There is a two Modbus commands in the RS485 network as below:
1157 +)))
870 870  
871 -1.
872 -11. +3V3 Output
1159 +(((
1160 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1161 +)))
873 873  
874 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1163 +(((
1164 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1165 +)))
875 875  
876 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
1167 +(((
1168 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1169 +)))
877 877  
1171 +(((
1172 +[[image:image-20220602171200-9.png]]
1173 +)))
878 878  
879 -The +3V3 output time can be controlled by AT Command.
1175 +(((
1176 +
1177 +)))
880 880  
881 -**AT+3V3T=1000**
1179 +(((
1180 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
1181 +)))
882 882  
883 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
884 884  
1184 +== 3.7 Buttons ==
885 885  
886 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
887 887  
1187 +(% border="1" style="background-color:#f7faff; width:500px" %)
1188 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
1189 +|**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**
1190 +|**RST**|(% style="width:1420px" %)Reboot RS485
1191 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
888 888  
889 -1.
890 -11. +5V Output
891 891  
892 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
893 893  
894 -The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
1195 +== 3.8 LEDs ==
895 895  
1197 +(% border="1" style="background-color:#f7faff; width:500px" %)
1198 +|=**LEDs**|=**Feature**
1199 +|**PWR**|Always on if there is power
1200 +|**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.
896 896  
897 -The 5V output time can be controlled by AT Command.
898 898  
899 -**AT+5VT=1000**
900 900  
901 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1204 += 4. Case Study =
902 902  
1206 +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]]
903 903  
904 -By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
905 905  
1209 += 5. Use AT Command =
906 906  
1211 +== 5.1 Access AT Command ==
907 907  
1213 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
908 908  
909 -1.
910 -11. LEDs
1215 +[[image:1654162355560-817.png]]
911 911  
912 -|**LEDs**|**Feature**
913 -|**LED1**|Blink when device transmit a packet.
914 914  
915 -1.
916 -11. Switch Jumper
1218 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
917 917  
918 -|**Switch Jumper**|**Feature**
919 -|**SW1**|(((
920 -ISP position: Upgrade firmware via UART
1220 +[[image:1654162368066-342.png]]
921 921  
922 -Flash position: Configure device, check running status.
923 -)))
924 -|**SW2**|(((
925 -5V position: set to compatible with 5v I/O.
926 926  
927 -3.3v position: set to compatible with 3.3v I/O.,
928 -)))
1223 +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/]]
929 929  
930 -+3.3V: is always ON
931 931  
932 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1226 +== 5.2 Common AT Command Sequence ==
933 933  
934 -1. Case Study
1228 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
935 935  
936 -User can check this URL for some case studies.
1230 +If device has not joined network yet:
937 937  
938 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
1232 +(% class="box infomessage" %)
1233 +(((
1234 +**AT+FDR**
1235 +)))
939 939  
1237 +(% class="box infomessage" %)
1238 +(((
1239 +**AT+NJM=0**
1240 +)))
940 940  
1242 +(% class="box infomessage" %)
1243 +(((
1244 +**ATZ**
1245 +)))
941 941  
942 942  
943 -1. Use AT Command
944 -11. Access AT Command
1248 +If device already joined network:
945 945  
946 -RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1250 +(% class="box infomessage" %)
1251 +(((
1252 +**AT+NJM=0**
1253 +)))
947 947  
948 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1255 +(% class="box infomessage" %)
1256 +(((
1257 +**ATZ**
1258 +)))
949 949  
950 950  
951 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1261 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
952 952  
953 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
954 954  
1264 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
955 955  
1266 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
956 956  
957 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1268 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
958 958  
1270 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
959 959  
1272 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
960 960  
961 -1.
962 -11. Common AT Command Sequence
963 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1274 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
964 964  
965 -If device has not joined network yet:
1276 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
966 966  
967 -AT+FDR
1278 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
968 968  
969 -AT+NJM=0
1280 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
970 970  
971 -ATZ
1282 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
972 972  
973 973  
974 -If device already joined network:
1285 +(% style="color:red" %)**Note:**
975 975  
976 -AT+NJM=0
1287 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1288 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1289 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1290 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
977 977  
978 -ATZ
1292 +[[image:1654162478620-421.png]]
979 979  
980 -1.
981 -11.
982 -111. Single-channel ABP mode (Use with LG01/LG02)
983 983  
984 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1295 += 6. FAQ =
985 985  
986 -AT+NJM=0 Set to ABP mode
1297 +== 6.1 How to upgrade the image? ==
987 987  
988 -AT+ADR=0 Set the Adaptive Data Rate Off
1299 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
989 989  
990 -AT+DR=5  Set Data Rate
991 -
992 -AT+TDC=60000  Set transmit interval to 60 seconds
993 -
994 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
995 -
996 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
997 -
998 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
999 -
1000 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1001 -
1002 -ATZ          Reset MCU
1003 -
1004 -**Note:**
1005 -
1006 -1. Make sure the device is set to ABP mode in the IoT Server.
1007 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1008 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1009 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1010 -
1011 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1012 -
1013 -
1014 -1. FAQ
1015 -11. How to upgrade the image?
1016 -
1017 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1018 -
1019 1019  * Support new features
1020 1020  * For bug fix
1021 1021  * Change LoRaWAN bands.
1022 1022  
1023 -Below shows the hardware connection for how to upload an image to RS485-BL:
1305 +Below shows the hardware connection for how to upload an image to RS485-LN:
1024 1024  
1025 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1307 +[[image:1654162535040-878.png]]
1026 1026  
1027 1027  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1028 1028  
... ... @@ -1030,84 +1030,78 @@
1030 1030  
1031 1031  **Step3: **Open flashloader; choose the correct COM port to update.
1032 1032  
1033 -
1034 -|(((
1035 -HOLD PRO then press the RST button, SYS will be ON, then click next
1315 +(((
1316 +(% 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.
1036 1036  )))
1037 1037  
1038 -|(((
1039 -Board detected
1040 -)))
1041 1041  
1042 -|(((
1043 -
1044 -)))
1320 +[[image:image-20220602175818-12.png]]
1045 1045  
1046 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1047 1047  
1323 +[[image:image-20220602175848-13.png]]
1048 1048  
1049 1049  
1050 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1326 +[[image:image-20220602175912-14.png]]
1051 1051  
1052 1052  
1053 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1329 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1054 1054  
1331 +[[image:image-20220602175638-10.png]]
1055 1055  
1056 -1.
1057 -11. How to change the LoRa Frequency Bands/Region?
1058 1058  
1059 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1334 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1060 1060  
1336 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1061 1061  
1062 1062  
1063 -1.
1064 -11. How many RS485-Slave can RS485-BL connects?
1339 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1065 1065  
1066 -The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
1341 +The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1067 1067  
1068 1068  
1344 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1069 1069  
1346 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1070 1070  
1071 -1. Trouble Shooting     
1072 -11. Downlink doesn’t work, how to solve it?
1348 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1073 1073  
1074 -Please see this link for debug:
1075 1075  
1076 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1351 += 7. Trouble Shooting =
1077 1077  
1353 +== 7.1 Downlink doesn’t work, how to solve it? ==
1078 1078  
1355 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1079 1079  
1080 -1.
1081 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1082 1082  
1083 -It might about the channels mapping. Please see for detail.
1358 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1084 1084  
1085 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1360 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1086 1086  
1087 1087  
1363 += 8. Order Info =
1088 1088  
1089 -1. Order Info
1365 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1090 1090  
1091 -**Part Number: RS485-BL-XXX**
1367 +(% style="color:blue" %)**XXX:**
1092 1092  
1093 -**XXX:**
1369 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1370 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1371 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1372 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1373 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1374 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1375 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1376 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1377 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1378 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1094 1094  
1095 -* **EU433**: frequency bands EU433
1096 -* **EU868**: frequency bands EU868
1097 -* **KR920**: frequency bands KR920
1098 -* **CN470**: frequency bands CN470
1099 -* **AS923**: frequency bands AS923
1100 -* **AU915**: frequency bands AU915
1101 -* **US915**: frequency bands US915
1102 -* **IN865**: frequency bands IN865
1103 -* **RU864**: frequency bands RU864
1104 -* **KZ865: **frequency bands KZ865
1105 1105  
1106 -1. Packing Info
1381 += 9.Packing Info =
1107 1107  
1383 +
1108 1108  **Package Includes**:
1109 1109  
1110 -* RS485-BL x 1
1386 +* RS485-LN x 1
1111 1111  * Stick Antenna for LoRa RF part x 1
1112 1112  * Program cable x 1
1113 1113  
... ... @@ -1118,9 +1118,63 @@
1118 1118  * Package Size / pcs : 14.5 x 8 x 5 cm
1119 1119  * Weight / pcs : 170g
1120 1120  
1121 -1. Support
1122 1122  
1123 -* 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.
1124 -* 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
1398 += 10. FCC Caution for RS485LN-US915 =
1125 1125  
1126 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1400 +(((
1401 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1402 +)))
1403 +
1404 +(((
1405 +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.
1406 +)))
1407 +
1408 +(((
1409 +
1410 +)))
1411 +
1412 +(((
1413 +**IMPORTANT NOTE:**
1414 +)))
1415 +
1416 +(((
1417 +**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:
1418 +)))
1419 +
1420 +(((
1421 +—Reorient or relocate the receiving antenna.
1422 +)))
1423 +
1424 +(((
1425 +—Increase the separation between the equipment and receiver.
1426 +)))
1427 +
1428 +(((
1429 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1430 +)))
1431 +
1432 +(((
1433 +—Consult the dealer or an experienced radio/TV technician for help.
1434 +)))
1435 +
1436 +(((
1437 +
1438 +)))
1439 +
1440 +(((
1441 +**FCC Radiation Exposure Statement:**
1442 +)))
1443 +
1444 +(((
1445 +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.
1446 +)))
1447 +
1448 +
1449 += 11. Support =
1450 +
1451 +* (((
1452 +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.
1453 +)))
1454 +* (((
1455 +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]].
1456 +)))
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