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... ... @@ -6,18 +6,12 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 -
20 -
21 21  = 1.Introduction =
22 22  
23 23  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -24,33 +24,23 @@
24 24  
25 25  (((
26 26  (((
27 -(((
28 28  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.
29 29  )))
30 -)))
31 31  
32 32  (((
33 -(((
34 34  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.
35 35  )))
36 -)))
37 37  
38 38  (((
39 -(((
40 40  (% 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.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  (% 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 -)))
48 48  
49 -(((
50 50  (% 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]]
51 51  )))
52 52  )))
53 -)))
54 54  
55 55  [[image:1653267211009-519.png||height="419" width="724"]]
56 56  
... ... @@ -90,7 +90,7 @@
90 90  * Preamble detection.
91 91  * 127 dB Dynamic Range RSSI.
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
94 94  
95 95  
96 96  == 1.3 Features ==
... ... @@ -124,13 +124,9 @@
124 124  
125 125  (((
126 126  (((
127 -(((
128 128  v1.2: Add External Interrupt Pin.
129 -)))
130 130  
131 -(((
132 132  v1.0: Release
133 -)))
134 134  
135 135  
136 136  )))
... ... @@ -158,9 +158,7 @@
158 158  == 3.1 How it works? ==
159 159  
160 160  (((
161 -(((
162 162  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.
163 -)))
164 164  
165 165  
166 166  )))
... ... @@ -184,7 +184,7 @@
184 184  [[image:1653268227651-549.png||height="592" width="720"]]
185 185  
186 186  (((
187 -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:
165 +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:
188 188  )))
189 189  
190 190  (((
... ... @@ -236,15 +236,11 @@
236 236  
237 237  (((
238 238  (((
239 -(((
240 -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.
217 +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.
241 241  )))
242 -)))
243 243  
244 244  (((
245 -(((
246 246  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
247 -)))
248 248  
249 249  
250 250  )))
... ... @@ -254,19 +254,19 @@
254 254  
255 255  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:
256 256  
257 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
258 -|=(% style="width: 110px;" %)(((
231 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
232 +|(% style="width:128px" %)(((
259 259  **AT Commands**
260 -)))|=(% style="width: 190px;" %)(((
234 +)))|(% style="width:305px" %)(((
261 261  **Description**
262 -)))|=(% style="width: 190px;" %)(((
236 +)))|(% style="width:346px" %)(((
263 263  **Example**
264 264  )))
265 -|(% style="width:110px" %)(((
239 +|(% style="width:128px" %)(((
266 266  AT+BAUDR
267 -)))|(% style="width:190px" %)(((
241 +)))|(% style="width:305px" %)(((
268 268  Set the baud rate (for RS485 connection). Default Value is: 9600.
269 -)))|(% style="width:190px" %)(((
243 +)))|(% style="width:346px" %)(((
270 270  (((
271 271  AT+BAUDR=9600
272 272  )))
... ... @@ -275,11 +275,11 @@
275 275  Options: (1200,2400,4800,14400,19200,115200)
276 276  )))
277 277  )))
278 -|(% style="width:110px" %)(((
252 +|(% style="width:128px" %)(((
279 279  AT+PARITY
280 -)))|(% style="width:190px" %)(((
254 +)))|(% style="width:305px" %)(((
281 281  Set UART parity (for RS485 connection)
282 -)))|(% style="width:190px" %)(((
256 +)))|(% style="width:346px" %)(((
283 283  (((
284 284  AT+PARITY=0
285 285  )))
... ... @@ -288,9 +288,9 @@
288 288  Option: 0: no parity, 1: odd parity, 2: even parity
289 289  )))
290 290  )))
291 -|(% style="width:110px" %)(((
265 +|(% style="width:128px" %)(((
292 292  AT+STOPBIT
293 -)))|(% style="width:190px" %)(((
267 +)))|(% style="width:305px" %)(((
294 294  (((
295 295  Set serial stopbit (for RS485 connection)
296 296  )))
... ... @@ -298,7 +298,7 @@
298 298  (((
299 299  
300 300  )))
301 -)))|(% style="width:190px" %)(((
275 +)))|(% style="width:346px" %)(((
302 302  (((
303 303  AT+STOPBIT=0 for 1bit
304 304  )))
... ... @@ -313,7 +313,6 @@
313 313  )))
314 314  
315 315  
316 -
317 317  === 3.3.2 Configure sensors ===
318 318  
319 319  (((
... ... @@ -322,18 +322,17 @@
322 322  )))
323 323  )))
324 324  
325 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
326 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
327 -|AT+CFGDEV|(% style="width:110px" %)(((
298 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
299 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
300 +|AT+CFGDEV|(% style="width:418px" %)(((
328 328  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
329 329  
330 330  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
331 331  
332 332  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
333 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
306 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
334 334  
335 335  
336 -
337 337  === 3.3.3 Configure read commands for each sampling ===
338 338  
339 339  (((
... ... @@ -379,8 +379,8 @@
379 379  
380 380  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
381 381  
382 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
383 -|(% style="width:510px" %)(((
354 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
355 +|(% style="width:722px" %)(((
384 384  **AT+DATACUTx=a,b,c**
385 385  
386 386  * **a: length for the return of AT+COMMAND**
... ... @@ -440,7 +440,7 @@
440 440  [[image:1653269759169-150.png||height="513" width="716"]]
441 441  
442 442  
443 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
415 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
444 444  
445 445  
446 446  Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
... ... @@ -449,1027 +449,700 @@
449 449  
450 450  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
451 451  
424 +1. Battery Info (2 bytes): Battery voltage
425 +1. PAYVER (1 byte): Defined by AT+PAYVER
426 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
427 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
428 +1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
452 452  
453 -1. PAYVER: Defined by AT+PAYVER
454 -1. PAYLOAD COUNT: Total how many uplinks of this sampling.
455 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
456 -1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
430 +[[image:1653269916228-732.png||height="433" width="711"]]
457 457  
458 -[[image:image-20220602155039-4.png]]
459 459  
433 +So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
460 460  
461 -So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
435 +DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
462 462  
463 -DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
437 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
464 464  
465 -DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
439 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
466 466  
467 -DATA3=the rest of Valid value of RETURN10= **30**
441 +Below are the uplink payloads:
468 468  
443 +[[image:1653270130359-810.png]]
469 469  
470 -(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:
471 471  
472 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
446 +(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
473 473  
474 - * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
448 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
475 475  
476 - * For US915 band, max 11 bytes for each uplink.
450 + * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
477 477  
478 - ~* For all other bands: max 51 bytes for each uplink.
452 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
479 479  
454 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
480 480  
481 -Below are the uplink payloads:
456 +=== 3.3.5 Uplink on demand ===
482 482  
483 -[[image:1654157178836-407.png]]
458 +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.
484 484  
460 +Downlink control command:
485 485  
486 -=== 3.3.5 Uplink on demand ===
462 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
487 487  
488 -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.
464 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
489 489  
490 -Downlink control command:
491 491  
492 -**0x08 command**: Poll an uplink with current command set in RS485-LN.
493 493  
494 -**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
468 +1.
469 +11.
470 +111. Uplink on Interrupt
495 495  
472 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
496 496  
474 +AT+INTMOD=0  Disable Interrupt
497 497  
498 -=== 3.3.6 Uplink on Interrupt ===
476 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
499 499  
500 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
478 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
501 501  
502 -[[image:1654157342174-798.png]]
480 +AT+INTMOD=3  Interrupt trigger by rising edge.
503 503  
504 -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.
505 505  
483 +1.
484 +11. Uplink Payload
506 506  
507 -== 3.4 Uplink Payload ==
486 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
487 +|Value|(((
488 +Battery(mV)
508 508  
490 +&
509 509  
510 -[[image:image-20220606110929-1.png]]
492 +Interrupt _Flag
493 +)))|(((
494 +PAYLOAD_VER
511 511  
496 +
497 +)))|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.
498 +
512 512  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
513 513  
514 514  
515 -== 3.5 Configure RS485-BL via AT or Downlink ==
502 +function Decoder(bytes, port) {
516 516  
517 -(((
518 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
519 -)))
504 +~/~/Payload Formats of RS485-BL Deceive
520 520  
521 -(((
506 +return {
507 +
508 + ~/~/Battery,units:V
509 +
510 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
511 +
512 + ~/~/GPIO_EXTI 
513 +
514 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
515 +
516 + ~/~/payload of version
517 +
518 + Pay_ver:bytes[2],
519 +
520 + };
521 +
522 + }
523 +
524 +
525 +
526 +
527 +
528 +
529 +
530 +TTN V3 uplink screen shot.
531 +
532 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
533 +
534 +1.
535 +11. Configure RS485-BL via AT or Downlink
536 +
537 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
538 +
522 522  There are two kinds of Commands:
523 -)))
524 524  
525 -* (((
526 -(% 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]]
527 -)))
541 +* **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
528 528  
529 -* (((
530 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
531 -)))
543 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
532 532  
533 -(((
534 -
535 -)))
545 +1.
546 +11.
547 +111. Common Commands:
536 536  
549 +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]]
537 537  
538 -=== 3.5.1 Common Commands ===
539 539  
540 -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]]
552 +1.
553 +11.
554 +111. Sensor related commands:
541 541  
556 +==== Choose Device Type (RS485 or TTL) ====
542 542  
543 -=== 3.5.2 Sensor related commands ===
558 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
544 544  
545 -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.
560 +* AT Command
546 546  
547 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
562 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
548 548  
549 -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)
564 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
550 550  
551 551  
552 -=== 3.5.3 Sensor related commands ===
567 +* Downlink Payload
553 553  
569 +**0A aa**     à same as AT+MOD=aa
554 554  
555 555  
556 556  
557 -==== **RS485 Debug Command** ====
573 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
558 558  
559 -(((
560 -This command is used to configure the RS485 devices; they won’t be used during sampling.
561 -)))
575 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
562 562  
563 -* (((
564 -**AT Command**
565 -)))
577 +* AT Command
566 566  
567 -(% class="box infomessage" %)
568 -(((
569 -(((
570 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
571 -)))
572 -)))
579 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
573 573  
574 -(((
575 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
576 -)))
581 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
577 577  
578 -* (((
579 -**Downlink Payload**
580 -)))
581 581  
582 -(((
584 +
585 +* Downlink Payload
586 +
583 583  Format: A8 MM NN XX XX XX XX YY
584 -)))
585 585  
586 -(((
587 587  Where:
588 -)))
589 589  
590 -* (((
591 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
592 -)))
593 -* (((
594 -NN: The length of RS485 command
595 -)))
596 -* (((
597 -XX XX XX XX: RS485 command total NN bytes
598 -)))
599 -* (((
600 -(((
601 -YY: How many bytes will be uplink from the return of this RS485 command,
602 -)))
591 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
592 +* NN: The length of RS485 command
593 +* XX XX XX XX: RS485 command total NN bytes
594 +* 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
603 603  
604 -* (((
605 -if YY=0, RS485-LN will execute the downlink command without uplink;
606 -)))
607 -* (((
608 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
609 -)))
610 -* (((
611 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
612 -)))
613 -)))
596 +**Example 1:**
614 614  
615 -(((
616 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
617 -)))
618 -
619 -(((
620 620  To connect a Modbus Alarm with below commands.
621 -)))
622 622  
623 -* (((
624 -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.
625 -)))
600 +* 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.
626 626  
627 -* (((
628 -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.
629 -)))
602 +* 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.
630 630  
631 -(((
632 632  So if user want to use downlink command to control to RS485 Alarm, he can use:
633 -)))
634 634  
635 -(((
636 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
637 -)))
606 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
638 638  
639 -(((
640 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
641 -)))
608 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
642 642  
643 -(((
644 644  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.
645 -)))
646 646  
647 -(((
648 -
649 -)))
650 650  
651 -(((
652 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
653 -)))
613 +**Example 2:**
654 654  
655 -(((
656 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
657 -)))
615 +Check TTL Sensor return:
658 658  
659 -(((
660 -
661 -)))
617 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
662 662  
663 -(((
664 -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:
665 -)))
666 666  
667 -(((
668 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
669 -)))
670 670  
671 -(((
672 - [[image:1654159460680-153.png]]
673 -)))
674 674  
622 +==== Set Payload version ====
675 675  
676 -
677 -
678 -==== **Set Payload version** ====
679 -
680 -(((
681 681  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.
682 -)))
683 683  
684 -* (((
685 -**AT Command:**
686 -)))
626 +* AT Command:
687 687  
688 -(% class="box infomessage" %)
689 -(((
690 -(((
691 -**AT+PAYVER: Set PAYVER field = 1**
692 -)))
693 -)))
628 +AT+PAYVER: Set PAYVER field = 1
694 694  
695 -* (((
696 -**Downlink Payload:**
697 -)))
698 698  
699 -(((
700 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
701 -)))
631 +* Downlink Payload:
702 702  
703 -(((
704 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
705 -)))
633 +0xAE 01   à Set PAYVER field =  0x01
706 706  
635 +0xAE 0F   à Set PAYVER field =  0x0F
707 707  
708 708  
638 +==== Set RS485 Sampling Commands ====
709 709  
710 -==== **Set RS485 Sampling Commands** ====
640 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
711 711  
712 -(((
713 -AT+COMMANDx or AT+DATACUTx
714 -)))
642 +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]].
715 715  
716 -(((
717 -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"]].
718 -)))
719 719  
720 -(((
721 -
722 -)))
645 +* AT Command:
723 723  
724 -* (((
725 -**AT Command:**
726 -)))
647 +AT+COMMANDx: Configure RS485 read command to sensor.
727 727  
728 -(% class="box infomessage" %)
729 -(((
730 -(((
731 -**AT+COMMANDx: Configure RS485 read command to sensor.**
732 -)))
733 -)))
649 +AT+DATACUTx: Configure how to handle return from RS485 devices.
734 734  
735 -(% class="box infomessage" %)
736 -(((
737 -(((
738 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
739 -)))
740 -)))
651 +AT+SEARCHx: Configure search command
741 741  
742 -(((
743 -
744 -)))
745 745  
746 -* (((
747 -**Downlink Payload:**
748 -)))
654 +* Downlink Payload:
749 749  
750 -(((
751 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
752 -)))
656 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
753 753  
754 -(((
755 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
756 -)))
658 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
757 757  
758 -(((
759 759  Format: AF MM NN LL XX XX XX XX YY
760 -)))
761 761  
762 -(((
763 763  Where:
764 -)))
765 765  
766 -* (((
767 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
768 -)))
769 -* (((
770 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
771 -)))
772 -* (((
773 -LL:  The length of AT+COMMAND or AT+DATACUT command
774 -)))
775 -* (((
776 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
777 -)))
778 -* (((
779 -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.
780 -)))
664 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
665 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
666 +* LL: The length of AT+COMMAND or AT+DATACUT command
667 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
668 +* 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.
781 781  
782 -(((
783 -**Example:**
784 -)))
670 +Example:
785 785  
786 -(((
787 -(% 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
788 -)))
672 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
789 789  
790 -(((
791 -(% 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**
792 -)))
674 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
793 793  
794 -(((
795 -(% 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**
796 -)))
676 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
797 797  
798 798  
679 +0xAB downlink command can be used for set AT+SEARCHx
799 799  
681 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
800 800  
801 -==== **Fast command to handle MODBUS device** ====
683 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
684 +* 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
802 802  
803 -(((
804 -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]].
805 -)))
686 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
806 806  
807 -(((
808 -This command is valid since v1.3 firmware version
809 -)))
810 810  
811 -(((
812 -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.
813 -)))
689 +==== Fast command to handle MODBUS device ====
814 814  
815 -(((
816 -
817 -)))
691 +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]].
818 818  
819 -(((
820 -**Example:**
821 -)))
693 +This command is valid since v1.3 firmware version
822 822  
823 -* (((
824 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
825 -)))
826 -* (((
827 -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.
828 -)))
829 -* (((
830 -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.
831 -)))
832 832  
833 -[[image:image-20220602165351-6.png]]
696 +AT+MBFUN has only two value:
834 834  
835 -[[image:image-20220602165351-7.png]]
698 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
836 836  
700 +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.
837 837  
702 +* AT+MBFUN=0: Disable Modbus fast reading.
838 838  
704 +Example:
839 839  
840 -==== **RS485 command timeout** ====
706 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
707 +* 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.
708 +* 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.
841 841  
842 -(((
843 -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.
844 -)))
710 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
845 845  
846 -(((
847 -Default value: 0, range:  0 ~~ 65 seconds
848 -)))
849 849  
850 -* (((
851 -**AT Command:**
852 -)))
713 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
853 853  
854 -(% class="box infomessage" %)
855 -(((
856 -(((
857 -**AT+CMDDLaa=hex(bb cc)*1000**
858 -)))
859 -)))
860 860  
861 -(((
862 -**Example:**
863 -)))
716 +* Downlink Commands:
864 864  
865 -(((
866 -**AT+CMDDL1=1000** to send the open time to 1000ms
867 -)))
718 +A9 aa -à Same as AT+MBFUN=aa
868 868  
869 -(((
870 -
871 -)))
872 872  
873 -* (((
874 -**Downlink Payload:**
875 -)))
721 +==== RS485 command timeout ====
876 876  
877 -(((
878 -**0x AA aa bb cc**
879 -)))
723 +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.
880 880  
881 -(((
882 -Same as: AT+CMDDLaa=hex(bb cc)*1000
883 -)))
725 +Default value: 0, range:  0 ~~ 5 seconds
884 884  
885 -(((
886 - **Example:**
887 -)))
888 888  
889 -(((
890 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
891 -)))
728 +* AT Command:
892 892  
730 +AT+CMDDLaa=hex(bb cc)
893 893  
732 +Example:
894 894  
734 +**AT+CMDDL1=1000** to send the open time to 1000ms
895 895  
896 -==== **Uplink payload mode** ====
897 897  
898 -(((
899 -Define to use one uplink or multiple uplinks for the sampling.
900 -)))
737 +* Downlink Payload:
901 901  
902 -(((
903 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
904 -)))
739 +0x AA aa bb cc
905 905  
906 -* (((
907 -**AT Command:**
908 -)))
741 +Same as: AT+CMDDLaa=hex(bb cc)
909 909  
910 -(% class="box infomessage" %)
911 -(((
912 -(((
913 -**AT+DATAUP=0**
914 -)))
915 -)))
743 + Example:
916 916  
917 -(% class="box infomessage" %)
918 -(((
919 -(((
920 -**AT+DATAUP=1**
921 -)))
922 -)))
745 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
923 923  
924 -(((
925 -
926 -)))
927 927  
928 -* (((
929 -**Downlink Payload:**
930 -)))
748 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
931 931  
932 -(((
933 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
934 -)))
750 +Define to use one uplink or multiple uplinks for the sampling.
935 935  
936 -(((
937 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
938 -)))
752 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
939 939  
754 +* AT Command:
940 940  
756 +AT+DATAUP=0
941 941  
758 +AT+DATAUP=1
942 942  
943 -==== **Manually trigger an Uplink** ====
944 944  
945 -(((
946 -Ask device to send an uplink immediately.
947 -)))
761 +* Downlink Payload:
948 948  
949 -* (((
950 -**AT Command:**
951 -)))
763 +0xAD 00   à Same as AT+DATAUP=0
952 952  
953 -(((
954 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
955 -)))
765 +0xAD 01   à Same as AT+DATAUP=1
956 956  
957 -(((
958 -
959 -)))
960 960  
961 -* (((
962 -**Downlink Payload:**
963 -)))
768 +==== Manually trigger an Uplink ====
964 964  
965 -(((
966 -**0x08 FF**, RS485-LN will immediately send an uplink.
967 -)))
770 +Ask device to send an uplink immediately.
968 968  
772 +* Downlink Payload:
969 969  
774 +0x08 FF, RS485-BL will immediately send an uplink.
970 970  
971 971  
972 -==== **Clear RS485 Command** ====
777 +==== Clear RS485 Command ====
973 973  
974 -(((
975 975  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
976 -)))
977 977  
978 -* (((
979 -**AT Command:**
980 -)))
981 981  
982 -(((
782 +* AT Command:
783 +
983 983  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
984 -)))
985 985  
986 -(((
987 987  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
988 -)))
989 989  
990 -(((
991 991  Example screen shot after clear all RS485 commands. 
992 -)))
993 993  
994 -(((
995 -
996 -)))
997 997  
998 -(((
791 +
999 999  The uplink screen shot is:
1000 -)))
1001 1001  
1002 -[[image:1654160691922-496.png]]
794 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1003 1003  
1004 1004  
1005 -* (((
1006 -**Downlink Payload:**
1007 -)))
797 +* Downlink Payload:
1008 1008  
1009 -(((
1010 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
1011 -)))
799 +0x09 aa bb same as AT+CMDEAR=aa,bb
1012 1012  
1013 1013  
802 +==== Set Serial Communication Parameters ====
1014 1014  
1015 -
1016 -==== **Set Serial Communication Parameters** ====
1017 -
1018 -(((
1019 1019  Set the Rs485 serial communication parameters:
1020 -)))
1021 1021  
1022 -* (((
1023 -**AT Command:**
1024 -)))
806 +* AT Command:
1025 1025  
1026 -(((
1027 1027  Set Baud Rate:
1028 -)))
1029 1029  
1030 -(% class="box infomessage" %)
1031 -(((
1032 -(((
1033 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1034 -)))
1035 -)))
810 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1036 1036  
1037 -(((
1038 -Set UART Parity
1039 -)))
1040 1040  
1041 -(% class="box infomessage" %)
1042 -(((
1043 -(((
1044 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1045 -)))
1046 -)))
813 +Set UART parity
1047 1047  
1048 -(((
815 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
816 +
817 +
1049 1049  Set STOPBIT
1050 -)))
1051 1051  
1052 -(% class="box infomessage" %)
1053 -(((
1054 -(((
1055 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1056 -)))
1057 -)))
820 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1058 1058  
1059 -(((
1060 -
1061 -)))
1062 1062  
1063 -* (((
1064 -**Downlink Payload:**
1065 -)))
823 +* Downlink Payload:
1066 1066  
1067 -(((
1068 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1069 -)))
825 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1070 1070  
1071 -(((
1072 -**Example:**
1073 -)))
827 +Example:
1074 1074  
1075 -* (((
1076 -A7 01 00 60   same as AT+BAUDR=9600
1077 -)))
1078 -* (((
1079 -A7 01 04 80  same as AT+BAUDR=115200
1080 -)))
829 +* A7 01 00 60   same as AT+BAUDR=9600
830 +* A7 01 04 80  same as AT+BAUDR=115200
1081 1081  
1082 -(((
1083 1083  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1084 -)))
1085 1085  
1086 -(((
1087 1087  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1088 -)))
1089 1089  
1090 1090  
837 +==== Control output power duration ====
1091 1091  
839 +User can set the output power duration before each sampling.
1092 1092  
1093 -== 3.6 Listening mode for RS485 network ==
841 +* AT Command:
1094 1094  
1095 -(((
1096 -This feature support since firmware v1.4
1097 -)))
843 +Example:
1098 1098  
1099 -(((
1100 -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.
1101 -)))
845 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1102 1102  
1103 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
847 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1104 1104  
1105 -(((
1106 -To enable the listening mode, use can run the command AT+RXMODE.
1107 -)))
1108 1108  
1109 -(((
1110 -
1111 -)))
850 +* LoRaWAN Downlink Command:
1112 1112  
1113 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1114 -|=(% style="width: 161px;" %)(((
1115 -**Command example:**
1116 -)))|=(% style="width: 337px;" %)(((
1117 -**Function**
1118 -)))
1119 -|(% style="width:161px" %)(((
1120 -AT+RXMODE=1,10
1121 -)))|(% style="width:337px" %)(((
1122 -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.
1123 -)))
1124 -|(% style="width:161px" %)(((
1125 -AT+RXMODE=2,500
1126 -)))|(% style="width:337px" %)(((
1127 -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
1128 -)))
1129 -|(% style="width:161px" %)(((
1130 -AT+RXMODE=0,0
1131 -)))|(% style="width:337px" %)(((
1132 -Disable listening mode. This is the default settings.
1133 -)))
1134 -|(% style="width:161px" %)(((
1135 -
1136 -)))|(% style="width:337px" %)(((
1137 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1138 -)))
852 +07 01 aa bb  Same as AT+5VT=(aa bb)
1139 1139  
1140 -(((
1141 -**Downlink Command:**
1142 -)))
854 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1143 1143  
1144 -(((
1145 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1146 -)))
1147 1147  
1148 -(((
1149 -
1150 -)))
1151 1151  
1152 -(((
1153 -**Example**:
1154 -)))
1155 1155  
1156 -(((
1157 -The RS485-LN is set to AT+RXMODE=2,1000
1158 -)))
859 +1.
860 +11. Buttons
1159 1159  
1160 -(((
1161 -There is a two Modbus commands in the RS485 network as below:
1162 -)))
862 +|**Button**|**Feature**
863 +|**RST**|Reboot RS485-BL
1163 1163  
1164 -(((
1165 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1166 -)))
865 +1.
866 +11. +3V3 Output
1167 1167  
1168 -(((
1169 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1170 -)))
868 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1171 1171  
1172 -(((
1173 -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
1174 -)))
870 +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. 
1175 1175  
1176 -(((
1177 -[[image:image-20220602171200-9.png]]
1178 -)))
1179 1179  
1180 -(((
1181 -
1182 -)))
873 +The +3V3 output time can be controlled by AT Command.
1183 1183  
1184 -(((
1185 -(% 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.
1186 -)))
875 +**AT+3V3T=1000**
1187 1187  
877 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1188 1188  
1189 -== 3.7 Buttons ==
1190 1190  
880 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1191 1191  
1192 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1193 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1194 -|(% style="width:50px" %)**ACT**|(% style="width:350px" %)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**
1195 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1196 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1197 1197  
1198 -== 3.8 LEDs ==
883 +1.
884 +11. +5V Output
1199 1199  
886 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1200 1200  
1201 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1202 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1203 -|**PWR**|Always on if there is power
1204 -|**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.
888 +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. 
1205 1205  
1206 -= 4. Case Study =
1207 1207  
1208 -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]]
891 +The 5V output time can be controlled by AT Command.
1209 1209  
893 +**AT+5VT=1000**
1210 1210  
1211 -= 5. Use AT Command =
895 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1212 1212  
1213 -== 5.1 Access AT Command ==
1214 1214  
1215 -(((
1216 -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.
1217 -)))
898 +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.
1218 1218  
1219 -[[image:1654162355560-817.png]]
1220 1220  
1221 1221  
1222 -(((
1223 -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:
1224 -)))
1225 1225  
1226 -[[image:1654162368066-342.png]]
903 +1.
904 +11. LEDs
1227 1227  
906 +|**LEDs**|**Feature**
907 +|**LED1**|Blink when device transmit a packet.
1228 1228  
1229 -(((
1230 -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/]]
909 +1.
910 +11. Switch Jumper
911 +
912 +|**Switch Jumper**|**Feature**
913 +|**SW1**|(((
914 +ISP position: Upgrade firmware via UART
915 +
916 +Flash position: Configure device, check running status.
1231 1231  )))
918 +|**SW2**|(((
919 +5V position: set to compatible with 5v I/O.
1232 1232  
921 +3.3v position: set to compatible with 3.3v I/O.,
922 +)))
1233 1233  
924 ++3.3V: is always ON
1234 1234  
1235 -== 5.2 Common AT Command Sequence ==
926 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1236 1236  
1237 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
928 +1. Case Study
1238 1238  
1239 -If device has not joined network yet:
930 +User can check this URL for some case studies.
1240 1240  
1241 -(% class="box infomessage" %)
1242 -(((
1243 -**AT+FDR**
1244 -)))
932 +[[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]]
1245 1245  
1246 -(% class="box infomessage" %)
1247 -(((
1248 -**AT+NJM=0**
1249 -)))
1250 1250  
1251 -(% class="box infomessage" %)
1252 -(((
1253 -**ATZ**
1254 -)))
1255 1255  
1256 1256  
1257 -If device already joined network:
937 +1. Use AT Command
938 +11. Access AT Command
1258 1258  
1259 -(% class="box infomessage" %)
1260 -(((
1261 -**AT+NJM=0**
1262 -)))
940 +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.
1263 1263  
1264 -(% class="box infomessage" %)
1265 -(((
1266 -**ATZ**
1267 -)))
942 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1268 1268  
1269 1269  
1270 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
945 +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:
1271 1271  
947 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1272 1272  
1273 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1274 1274  
1275 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1276 1276  
1277 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
951 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1278 1278  
1279 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1280 1280  
1281 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1282 1282  
1283 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
955 +1.
956 +11. Common AT Command Sequence
957 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1284 1284  
1285 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
959 +If device has not joined network yet:
1286 1286  
1287 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
961 +AT+FDR
1288 1288  
1289 -(% 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.
963 +AT+NJM=0
1290 1290  
1291 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
965 +ATZ
1292 1292  
1293 1293  
1294 -(% style="color:red" %)**Note:**
968 +If device already joined network:
1295 1295  
1296 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1297 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1298 -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.
1299 -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
970 +AT+NJM=0
1300 1300  
1301 -[[image:1654162478620-421.png]]
972 +ATZ
1302 1302  
974 +1.
975 +11.
976 +111. Single-channel ABP mode (Use with LG01/LG02)
1303 1303  
1304 -= 6. FAQ =
978 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1305 1305  
1306 -== 6.1 How to upgrade the image? ==
980 +AT+NJM=0 Set to ABP mode
1307 1307  
1308 -(((
1309 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1310 -)))
982 +AT+ADR=0 Set the Adaptive Data Rate Off
1311 1311  
1312 -* (((
1313 -Support new features
1314 -)))
1315 -* (((
1316 -For bug fix
1317 -)))
1318 -* (((
1319 -Change LoRaWAN bands.
1320 -)))
984 +AT+DR=5  Set Data Rate
1321 1321  
1322 -(((
1323 -Below shows the hardware connection for how to upload an image to RS485-LN:
1324 -)))
986 +AT+TDC=60000  Set transmit interval to 60 seconds
1325 1325  
1326 -[[image:1654162535040-878.png]]
988 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1327 1327  
1328 -**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]].
990 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1329 1329  
1330 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
992 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1331 1331  
1332 -**Step3: **Open flashloader; choose the correct COM port to update.
994 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1333 1333  
1334 -(((
1335 -(((
1336 -(% 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.
1337 -)))
1338 -)))
996 +ATZ          Reset MCU
1339 1339  
998 +**Note:**
1340 1340  
1341 -[[image:image-20220602175818-12.png]]
1000 +1. Make sure the device is set to ABP mode in the IoT Server.
1001 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1002 +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.
1003 +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
1342 1342  
1005 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1343 1343  
1344 -[[image:image-20220602175848-13.png]]
1345 1345  
1008 +1. FAQ
1009 +11. How to upgrade the image?
1346 1346  
1347 -[[image:image-20220602175912-14.png]]
1011 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1348 1348  
1013 +* Support new features
1014 +* For bug fix
1015 +* Change LoRaWAN bands.
1349 1349  
1350 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1017 +Below shows the hardware connection for how to upload an image to RS485-BL:
1351 1351  
1352 -[[image:image-20220602175638-10.png]]
1019 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1353 1353  
1021 +**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]].
1354 1354  
1355 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1023 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1356 1356  
1357 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1025 +**Step3: **Open flashloader; choose the correct COM port to update.
1358 1358  
1359 1359  
1360 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1028 +|(((
1029 +HOLD PRO then press the RST button, SYS will be ON, then click next
1030 +)))
1361 1361  
1362 -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"]].
1032 +|(((
1033 +Board detected
1034 +)))
1363 1363  
1036 +|(((
1037 +
1038 +)))
1364 1364  
1365 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1040 +[[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]]
1366 1366  
1367 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1368 1368  
1369 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1370 1370  
1044 +[[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]]
1371 1371  
1372 -= 7. Trouble Shooting =
1373 1373  
1374 -== 7.1 Downlink doesn’t work, how to solve it? ==
1047 +[[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]]
1375 1375  
1376 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1377 1377  
1050 +1.
1051 +11. How to change the LoRa Frequency Bands/Region?
1378 1378  
1379 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1053 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1380 1380  
1381 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1382 1382  
1383 1383  
1384 -= 8. Order Info =
1057 +1.
1058 +11. How many RS485-Slave can RS485-BL connects?
1385 1385  
1386 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1060 +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]].
1387 1387  
1388 -(% style="color:blue" %)**XXX:**
1389 1389  
1390 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1391 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1392 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1393 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1394 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1395 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1396 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1397 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1398 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1399 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1400 1400  
1401 -= 9.Packing Info =
1402 1402  
1065 +1. Trouble Shooting     
1066 +11. Downlink doesn’t work, how to solve it?
1403 1403  
1404 -**Package Includes**:
1068 +Please see this link for debug:
1405 1405  
1406 -* RS485-LN x 1
1407 -* Stick Antenna for LoRa RF part x 1
1408 -* Program cable x 1
1070 +[[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]] 
1409 1409  
1410 -**Dimension and weight**:
1411 1411  
1412 -* Device Size: 13.5 x 7 x 3 cm
1413 -* Device Weight: 105g
1414 -* Package Size / pcs : 14.5 x 8 x 5 cm
1415 -* Weight / pcs : 170g
1416 1416  
1417 -= 10. FCC Caution for RS485LN-US915 =
1074 +1.
1075 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1418 1418  
1419 -(((
1420 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1421 -)))
1077 +It might about the channels mapping. Please see for detail.
1422 1422  
1423 -(((
1424 -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.
1425 -)))
1079 +[[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]]
1426 1426  
1427 -(((
1428 -
1429 -)))
1430 1430  
1431 -(((
1432 -**IMPORTANT NOTE:**
1433 -)))
1434 1434  
1435 -(((
1436 -**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:
1437 -)))
1083 +1. Order Info
1438 1438  
1439 -(((
1440 -—Reorient or relocate the receiving antenna.
1441 -)))
1085 +**Part Number: RS485-BL-XXX**
1442 1442  
1443 -(((
1444 -—Increase the separation between the equipment and receiver.
1445 -)))
1087 +**XXX:**
1446 1446  
1447 -(((
1448 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1449 -)))
1089 +* **EU433**: frequency bands EU433
1090 +* **EU868**: frequency bands EU868
1091 +* **KR920**: frequency bands KR920
1092 +* **CN470**: frequency bands CN470
1093 +* **AS923**: frequency bands AS923
1094 +* **AU915**: frequency bands AU915
1095 +* **US915**: frequency bands US915
1096 +* **IN865**: frequency bands IN865
1097 +* **RU864**: frequency bands RU864
1098 +* **KZ865: **frequency bands KZ865
1450 1450  
1451 -(((
1452 -—Consult the dealer or an experienced radio/TV technician for help.
1453 -)))
1100 +1. Packing Info
1454 1454  
1455 -(((
1456 -
1457 -)))
1102 +**Package Includes**:
1458 1458  
1459 -(((
1460 -**FCC Radiation Exposure Statement:**
1461 -)))
1104 +* RS485-BL x 1
1105 +* Stick Antenna for LoRa RF part x 1
1106 +* Program cable x 1
1462 1462  
1463 -(((
1464 -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.
1465 -)))
1108 +**Dimension and weight**:
1466 1466  
1110 +* Device Size: 13.5 x 7 x 3 cm
1111 +* Device Weight: 105g
1112 +* Package Size / pcs : 14.5 x 8 x 5 cm
1113 +* Weight / pcs : 170g
1467 1467  
1468 -= 11. Support =
1115 +1. Support
1469 1469  
1470 -* (((
1471 -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.
1472 -)))
1473 -* (((
1474 -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]].
1475 -)))
1117 +* 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.
1118 +* 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
1119 +
1120 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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