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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  
... ... @@ -90,9 +90,8 @@
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 -
96 96  == 1.3 Features ==
97 97  
98 98  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -104,7 +104,6 @@
104 104  * Support Modbus protocol
105 105  * Support Interrupt uplink (Since hardware version v1.2)
106 106  
107 -
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
... ... @@ -114,7 +114,6 @@
114 114  * Smart Cities
115 115  * Smart Factory
116 116  
117 -
118 118  == 1.5 Firmware Change log ==
119 119  
120 120  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -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:
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:
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.
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.
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;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
259 259  **AT Commands**
260 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
261 261  **Description**
262 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
263 263  **Example**
264 264  )))
265 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
266 266  AT+BAUDR
267 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
268 268  Set the baud rate (for RS485 connection). Default Value is: 9600.
269 -)))|(% style="width:190px" %)(((
240 +)))|(% 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" %)(((
249 +|(% style="width:128px" %)(((
279 279  AT+PARITY
280 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
281 281  Set UART parity (for RS485 connection)
282 -)))|(% style="width:190px" %)(((
253 +)))|(% 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" %)(((
262 +|(% style="width:128px" %)(((
292 292  AT+STOPBIT
293 -)))|(% style="width:190px" %)(((
264 +)))|(% 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" %)(((
272 +)))|(% style="width:346px" %)(((
302 302  (((
303 303  AT+STOPBIT=0 for 1bit
304 304  )))
... ... @@ -320,15 +320,15 @@
320 320  )))
321 321  )))
322 322  
323 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
324 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
325 -|AT+CFGDEV|(% style="width:110px" %)(((
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" %)(((
326 326  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
327 327  
328 328  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
329 329  
330 330  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
331 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
302 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
332 332  
333 333  === 3.3.3 Configure read commands for each sampling ===
334 334  
... ... @@ -375,8 +375,8 @@
375 375  
376 376  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
377 377  
378 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
379 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
380 380  **AT+DATACUTx=a,b,c**
381 381  
382 382  * **a: length for the return of AT+COMMAND**
... ... @@ -445,1027 +445,700 @@
445 445  
446 446  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
447 447  
419 +1. Battery Info (2 bytes): Battery voltage
420 +1. PAYVER (1 byte): Defined by AT+PAYVER
421 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
422 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
423 +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
448 448  
449 -1. PAYVER: Defined by AT+PAYVER
450 -1. PAYLOAD COUNT: Total how many uplinks of this sampling.
451 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
452 -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
425 +[[image:1653269916228-732.png||height="433" width="711"]]
453 453  
454 -[[image:image-20220602155039-4.png]]
455 455  
428 +So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
456 456  
457 -So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
430 +DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
458 458  
459 -DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
432 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
460 460  
461 -DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
434 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
462 462  
463 -DATA3=the rest of Valid value of RETURN10= **30**
436 +Below are the uplink payloads:
464 464  
438 +[[image:1653270130359-810.png]]
465 465  
466 -(% 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:
467 467  
468 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
441 +(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
469 469  
470 - * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
443 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
471 471  
472 - * For US915 band, max 11 bytes for each uplink.
445 + * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
473 473  
474 - ~* For all other bands: max 51 bytes for each uplink.
447 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
475 475  
449 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
476 476  
477 -Below are the uplink payloads:
451 +=== 3.3.5 Uplink on demand ===
478 478  
479 -[[image:1654157178836-407.png]]
453 +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.
480 480  
455 +Downlink control command:
481 481  
482 -=== 3.3.5 Uplink on demand ===
457 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
483 483  
484 -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.
459 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
485 485  
486 -Downlink control command:
487 487  
488 -**0x08 command**: Poll an uplink with current command set in RS485-LN.
489 489  
490 -**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
463 +1.
464 +11.
465 +111. Uplink on Interrupt
491 491  
467 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
492 492  
469 +AT+INTMOD=0  Disable Interrupt
493 493  
494 -=== 3.3.6 Uplink on Interrupt ===
471 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
495 495  
496 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
473 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
497 497  
498 -[[image:1654157342174-798.png]]
475 +AT+INTMOD=3  Interrupt trigger by rising edge.
499 499  
500 -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.
501 501  
478 +1.
479 +11. Uplink Payload
502 502  
503 -== 3.4 Uplink Payload ==
481 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
482 +|Value|(((
483 +Battery(mV)
504 504  
485 +&
505 505  
506 -[[image:image-20220606110929-1.png]]
487 +Interrupt _Flag
488 +)))|(((
489 +PAYLOAD_VER
507 507  
491 +
492 +)))|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.
493 +
508 508  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
509 509  
510 510  
511 -== 3.5 Configure RS485-BL via AT or Downlink ==
497 +function Decoder(bytes, port) {
512 512  
513 -(((
514 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
515 -)))
499 +~/~/Payload Formats of RS485-BL Deceive
516 516  
517 -(((
501 +return {
502 +
503 + ~/~/Battery,units:V
504 +
505 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
506 +
507 + ~/~/GPIO_EXTI 
508 +
509 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
510 +
511 + ~/~/payload of version
512 +
513 + Pay_ver:bytes[2],
514 +
515 + };
516 +
517 + }
518 +
519 +
520 +
521 +
522 +
523 +
524 +
525 +TTN V3 uplink screen shot.
526 +
527 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
528 +
529 +1.
530 +11. Configure RS485-BL via AT or Downlink
531 +
532 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
533 +
518 518  There are two kinds of Commands:
519 -)))
520 520  
521 -* (((
522 -(% 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]]
523 -)))
536 +* **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
524 524  
525 -* (((
526 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
527 -)))
538 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
528 528  
529 -(((
530 -
531 -)))
540 +1.
541 +11.
542 +111. Common Commands:
532 532  
544 +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]]
533 533  
534 -=== 3.5.1 Common Commands ===
535 535  
536 -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]]
547 +1.
548 +11.
549 +111. Sensor related commands:
537 537  
551 +==== Choose Device Type (RS485 or TTL) ====
538 538  
539 -=== 3.5.2 Sensor related commands ===
553 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
540 540  
541 -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.
555 +* AT Command
542 542  
543 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
557 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
544 544  
545 -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)
559 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
546 546  
547 547  
548 -=== 3.5.3 Sensor related commands ===
562 +* Downlink Payload
549 549  
564 +**0A aa**     à same as AT+MOD=aa
550 550  
551 551  
552 552  
553 -==== **RS485 Debug Command** ====
568 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
554 554  
555 -(((
556 -This command is used to configure the RS485 devices; they won’t be used during sampling.
557 -)))
570 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
558 558  
559 -* (((
560 -**AT Command**
561 -)))
572 +* AT Command
562 562  
563 -(% class="box infomessage" %)
564 -(((
565 -(((
566 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
567 -)))
568 -)))
574 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
569 569  
570 -(((
571 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
572 -)))
576 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
573 573  
574 -* (((
575 -**Downlink Payload**
576 -)))
577 577  
578 -(((
579 +
580 +* Downlink Payload
581 +
579 579  Format: A8 MM NN XX XX XX XX YY
580 -)))
581 581  
582 -(((
583 583  Where:
584 -)))
585 585  
586 -* (((
587 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
588 -)))
589 -* (((
590 -NN: The length of RS485 command
591 -)))
592 -* (((
593 -XX XX XX XX: RS485 command total NN bytes
594 -)))
595 -* (((
596 -(((
597 -YY: How many bytes will be uplink from the return of this RS485 command,
598 -)))
586 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
587 +* NN: The length of RS485 command
588 +* XX XX XX XX: RS485 command total NN bytes
589 +* 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
599 599  
600 -* (((
601 -if YY=0, RS485-LN will execute the downlink command without uplink;
602 -)))
603 -* (((
604 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
605 -)))
606 -* (((
607 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
608 -)))
609 -)))
591 +**Example 1:**
610 610  
611 -(((
612 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
613 -)))
614 -
615 -(((
616 616  To connect a Modbus Alarm with below commands.
617 -)))
618 618  
619 -* (((
620 -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.
621 -)))
595 +* 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.
622 622  
623 -* (((
624 -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.
625 -)))
597 +* 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.
626 626  
627 -(((
628 628  So if user want to use downlink command to control to RS485 Alarm, he can use:
629 -)))
630 630  
631 -(((
632 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
633 -)))
601 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
634 634  
635 -(((
636 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
637 -)))
603 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
638 638  
639 -(((
640 640  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.
641 -)))
642 642  
643 -(((
644 -
645 -)))
646 646  
647 -(((
648 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
649 -)))
608 +**Example 2:**
650 650  
651 -(((
652 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
653 -)))
610 +Check TTL Sensor return:
654 654  
655 -(((
656 -
657 -)))
612 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
658 658  
659 -(((
660 -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:
661 -)))
662 662  
663 -(((
664 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
665 -)))
666 666  
667 -(((
668 - [[image:1654159460680-153.png]]
669 -)))
670 670  
617 +==== Set Payload version ====
671 671  
672 -
673 -
674 -==== **Set Payload version** ====
675 -
676 -(((
677 677  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.
678 -)))
679 679  
680 -* (((
681 -**AT Command:**
682 -)))
621 +* AT Command:
683 683  
684 -(% class="box infomessage" %)
685 -(((
686 -(((
687 -**AT+PAYVER: Set PAYVER field = 1**
688 -)))
689 -)))
623 +AT+PAYVER: Set PAYVER field = 1
690 690  
691 -* (((
692 -**Downlink Payload:**
693 -)))
694 694  
695 -(((
696 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
697 -)))
626 +* Downlink Payload:
698 698  
699 -(((
700 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
701 -)))
628 +0xAE 01   à Set PAYVER field =  0x01
702 702  
630 +0xAE 0F   à Set PAYVER field =  0x0F
703 703  
704 704  
633 +==== Set RS485 Sampling Commands ====
705 705  
706 -==== **Set RS485 Sampling Commands** ====
635 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
707 707  
708 -(((
709 -AT+COMMANDx or AT+DATACUTx
710 -)))
637 +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]].
711 711  
712 -(((
713 -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"]].
714 -)))
715 715  
716 -(((
717 -
718 -)))
640 +* AT Command:
719 719  
720 -* (((
721 -**AT Command:**
722 -)))
642 +AT+COMMANDx: Configure RS485 read command to sensor.
723 723  
724 -(% class="box infomessage" %)
725 -(((
726 -(((
727 -**AT+COMMANDx: Configure RS485 read command to sensor.**
728 -)))
729 -)))
644 +AT+DATACUTx: Configure how to handle return from RS485 devices.
730 730  
731 -(% class="box infomessage" %)
732 -(((
733 -(((
734 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
735 -)))
736 -)))
646 +AT+SEARCHx: Configure search command
737 737  
738 -(((
739 -
740 -)))
741 741  
742 -* (((
743 -**Downlink Payload:**
744 -)))
649 +* Downlink Payload:
745 745  
746 -(((
747 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
748 -)))
651 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
749 749  
750 -(((
751 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
752 -)))
653 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
753 753  
754 -(((
755 755  Format: AF MM NN LL XX XX XX XX YY
756 -)))
757 757  
758 -(((
759 759  Where:
760 -)))
761 761  
762 -* (((
763 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
764 -)))
765 -* (((
766 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
767 -)))
768 -* (((
769 -LL:  The length of AT+COMMAND or AT+DATACUT command
770 -)))
771 -* (((
772 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
773 -)))
774 -* (((
775 -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.
776 -)))
659 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
660 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
661 +* LL: The length of AT+COMMAND or AT+DATACUT command
662 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
663 +* 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.
777 777  
778 -(((
779 -**Example:**
780 -)))
665 +Example:
781 781  
782 -(((
783 -(% 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
784 -)))
667 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
785 785  
786 -(((
787 -(% 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**
788 -)))
669 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
789 789  
790 -(((
791 -(% 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**
792 -)))
671 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
793 793  
794 794  
674 +0xAB downlink command can be used for set AT+SEARCHx
795 795  
676 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
796 796  
797 -==== **Fast command to handle MODBUS device** ====
678 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
679 +* 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
798 798  
799 -(((
800 -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]].
801 -)))
681 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
802 802  
803 -(((
804 -This command is valid since v1.3 firmware version
805 -)))
806 806  
807 -(((
808 -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.
809 -)))
684 +==== Fast command to handle MODBUS device ====
810 810  
811 -(((
812 -
813 -)))
686 +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]].
814 814  
815 -(((
816 -**Example:**
817 -)))
688 +This command is valid since v1.3 firmware version
818 818  
819 -* (((
820 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
821 -)))
822 -* (((
823 -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.
824 -)))
825 -* (((
826 -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.
827 -)))
828 828  
829 -[[image:image-20220602165351-6.png]]
691 +AT+MBFUN has only two value:
830 830  
831 -[[image:image-20220602165351-7.png]]
693 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
832 832  
695 +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.
833 833  
697 +* AT+MBFUN=0: Disable Modbus fast reading.
834 834  
699 +Example:
835 835  
836 -==== **RS485 command timeout** ====
701 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
702 +* 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.
703 +* 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.
837 837  
838 -(((
839 -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.
840 -)))
705 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
841 841  
842 -(((
843 -Default value: 0, range:  0 ~~ 65 seconds
844 -)))
845 845  
846 -* (((
847 -**AT Command:**
848 -)))
708 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
849 849  
850 -(% class="box infomessage" %)
851 -(((
852 -(((
853 -**AT+CMDDLaa=hex(bb cc)*1000**
854 -)))
855 -)))
856 856  
857 -(((
858 -**Example:**
859 -)))
711 +* Downlink Commands:
860 860  
861 -(((
862 -**AT+CMDDL1=1000** to send the open time to 1000ms
863 -)))
713 +A9 aa -à Same as AT+MBFUN=aa
864 864  
865 -(((
866 -
867 -)))
868 868  
869 -* (((
870 -**Downlink Payload:**
871 -)))
716 +==== RS485 command timeout ====
872 872  
873 -(((
874 -**0x AA aa bb cc**
875 -)))
718 +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.
876 876  
877 -(((
878 -Same as: AT+CMDDLaa=hex(bb cc)*1000
879 -)))
720 +Default value: 0, range:  0 ~~ 5 seconds
880 880  
881 -(((
882 - **Example:**
883 -)))
884 884  
885 -(((
886 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
887 -)))
723 +* AT Command:
888 888  
725 +AT+CMDDLaa=hex(bb cc)
889 889  
727 +Example:
890 890  
729 +**AT+CMDDL1=1000** to send the open time to 1000ms
891 891  
892 -==== **Uplink payload mode** ====
893 893  
894 -(((
895 -Define to use one uplink or multiple uplinks for the sampling.
896 -)))
732 +* Downlink Payload:
897 897  
898 -(((
899 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
900 -)))
734 +0x AA aa bb cc
901 901  
902 -* (((
903 -**AT Command:**
904 -)))
736 +Same as: AT+CMDDLaa=hex(bb cc)
905 905  
906 -(% class="box infomessage" %)
907 -(((
908 -(((
909 -**AT+DATAUP=0**
910 -)))
911 -)))
738 + Example:
912 912  
913 -(% class="box infomessage" %)
914 -(((
915 -(((
916 -**AT+DATAUP=1**
917 -)))
918 -)))
740 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
919 919  
920 -(((
921 -
922 -)))
923 923  
924 -* (((
925 -**Downlink Payload:**
926 -)))
743 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
927 927  
928 -(((
929 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
930 -)))
745 +Define to use one uplink or multiple uplinks for the sampling.
931 931  
932 -(((
933 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
934 -)))
747 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
935 935  
749 +* AT Command:
936 936  
751 +AT+DATAUP=0
937 937  
753 +AT+DATAUP=1
938 938  
939 -==== **Manually trigger an Uplink** ====
940 940  
941 -(((
942 -Ask device to send an uplink immediately.
943 -)))
756 +* Downlink Payload:
944 944  
945 -* (((
946 -**AT Command:**
947 -)))
758 +0xAD 00   à Same as AT+DATAUP=0
948 948  
949 -(((
950 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
951 -)))
760 +0xAD 01   à Same as AT+DATAUP=1
952 952  
953 -(((
954 -
955 -)))
956 956  
957 -* (((
958 -**Downlink Payload:**
959 -)))
763 +==== Manually trigger an Uplink ====
960 960  
961 -(((
962 -**0x08 FF**, RS485-LN will immediately send an uplink.
963 -)))
765 +Ask device to send an uplink immediately.
964 964  
767 +* Downlink Payload:
965 965  
769 +0x08 FF, RS485-BL will immediately send an uplink.
966 966  
967 967  
968 -==== **Clear RS485 Command** ====
772 +==== Clear RS485 Command ====
969 969  
970 -(((
971 971  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
972 -)))
973 973  
974 -* (((
975 -**AT Command:**
976 -)))
977 977  
978 -(((
777 +* AT Command:
778 +
979 979  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
980 -)))
981 981  
982 -(((
983 983  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
984 -)))
985 985  
986 -(((
987 987  Example screen shot after clear all RS485 commands. 
988 -)))
989 989  
990 -(((
991 -
992 -)))
993 993  
994 -(((
786 +
995 995  The uplink screen shot is:
996 -)))
997 997  
998 -[[image:1654160691922-496.png]]
789 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
999 999  
1000 1000  
1001 -* (((
1002 -**Downlink Payload:**
1003 -)))
792 +* Downlink Payload:
1004 1004  
1005 -(((
1006 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
1007 -)))
794 +0x09 aa bb same as AT+CMDEAR=aa,bb
1008 1008  
1009 1009  
797 +==== Set Serial Communication Parameters ====
1010 1010  
1011 -
1012 -==== **Set Serial Communication Parameters** ====
1013 -
1014 -(((
1015 1015  Set the Rs485 serial communication parameters:
1016 -)))
1017 1017  
1018 -* (((
1019 -**AT Command:**
1020 -)))
801 +* AT Command:
1021 1021  
1022 -(((
1023 1023  Set Baud Rate:
1024 -)))
1025 1025  
1026 -(% class="box infomessage" %)
1027 -(((
1028 -(((
1029 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1030 -)))
1031 -)))
805 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1032 1032  
1033 -(((
1034 -Set UART Parity
1035 -)))
1036 1036  
1037 -(% class="box infomessage" %)
1038 -(((
1039 -(((
1040 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1041 -)))
1042 -)))
808 +Set UART parity
1043 1043  
1044 -(((
810 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
811 +
812 +
1045 1045  Set STOPBIT
1046 -)))
1047 1047  
1048 -(% class="box infomessage" %)
1049 -(((
1050 -(((
1051 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1052 -)))
1053 -)))
815 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1054 1054  
1055 -(((
1056 -
1057 -)))
1058 1058  
1059 -* (((
1060 -**Downlink Payload:**
1061 -)))
818 +* Downlink Payload:
1062 1062  
1063 -(((
1064 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1065 -)))
820 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1066 1066  
1067 -(((
1068 -**Example:**
1069 -)))
822 +Example:
1070 1070  
1071 -* (((
1072 -A7 01 00 60   same as AT+BAUDR=9600
1073 -)))
1074 -* (((
1075 -A7 01 04 80  same as AT+BAUDR=115200
1076 -)))
824 +* A7 01 00 60   same as AT+BAUDR=9600
825 +* A7 01 04 80  same as AT+BAUDR=115200
1077 1077  
1078 -(((
1079 1079  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1080 -)))
1081 1081  
1082 -(((
1083 1083  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1084 -)))
1085 1085  
1086 1086  
832 +==== Control output power duration ====
1087 1087  
834 +User can set the output power duration before each sampling.
1088 1088  
1089 -== 3.6 Listening mode for RS485 network ==
836 +* AT Command:
1090 1090  
1091 -(((
1092 -This feature support since firmware v1.4
1093 -)))
838 +Example:
1094 1094  
1095 -(((
1096 -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.
1097 -)))
840 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1098 1098  
1099 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
842 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1100 1100  
1101 -(((
1102 -To enable the listening mode, use can run the command AT+RXMODE.
1103 -)))
1104 1104  
1105 -(((
1106 -
1107 -)))
845 +* LoRaWAN Downlink Command:
1108 1108  
1109 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1110 -|=(% style="width: 161px;" %)(((
1111 -**Command example:**
1112 -)))|=(% style="width: 337px;" %)(((
1113 -**Function**
1114 -)))
1115 -|(% style="width:161px" %)(((
1116 -AT+RXMODE=1,10
1117 -)))|(% style="width:337px" %)(((
1118 -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.
1119 -)))
1120 -|(% style="width:161px" %)(((
1121 -AT+RXMODE=2,500
1122 -)))|(% style="width:337px" %)(((
1123 -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
1124 -)))
1125 -|(% style="width:161px" %)(((
1126 -AT+RXMODE=0,0
1127 -)))|(% style="width:337px" %)(((
1128 -Disable listening mode. This is the default settings.
1129 -)))
1130 -|(% style="width:161px" %)(((
1131 -
1132 -)))|(% style="width:337px" %)(((
1133 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1134 -)))
847 +07 01 aa bb  Same as AT+5VT=(aa bb)
1135 1135  
1136 -(((
1137 -**Downlink Command:**
1138 -)))
849 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1139 1139  
1140 -(((
1141 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1142 -)))
1143 1143  
1144 -(((
1145 -
1146 -)))
1147 1147  
1148 -(((
1149 -**Example**:
1150 -)))
1151 1151  
1152 -(((
1153 -The RS485-LN is set to AT+RXMODE=2,1000
1154 -)))
854 +1.
855 +11. Buttons
1155 1155  
1156 -(((
1157 -There is a two Modbus commands in the RS485 network as below:
1158 -)))
857 +|**Button**|**Feature**
858 +|**RST**|Reboot RS485-BL
1159 1159  
1160 -(((
1161 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1162 -)))
860 +1.
861 +11. +3V3 Output
1163 1163  
1164 -(((
1165 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1166 -)))
863 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1167 1167  
1168 -(((
1169 -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
1170 -)))
865 +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. 
1171 1171  
1172 -(((
1173 -[[image:image-20220602171200-9.png]]
1174 -)))
1175 1175  
1176 -(((
1177 -
1178 -)))
868 +The +3V3 output time can be controlled by AT Command.
1179 1179  
1180 -(((
1181 -(% 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.
1182 -)))
870 +**AT+3V3T=1000**
1183 1183  
872 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1184 1184  
1185 -== 3.7 Buttons ==
1186 1186  
875 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1187 1187  
1188 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1189 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1190 -|(% 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**
1191 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1192 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1193 1193  
1194 -== 3.8 LEDs ==
878 +1.
879 +11. +5V Output
1195 1195  
881 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1196 1196  
1197 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1198 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**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.
883 +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. 
1201 1201  
1202 -= 4. Case Study =
1203 1203  
1204 -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]]
886 +The 5V output time can be controlled by AT Command.
1205 1205  
888 +**AT+5VT=1000**
1206 1206  
1207 -= 5. Use AT Command =
890 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1208 1208  
1209 -== 5.1 Access AT Command ==
1210 1210  
1211 -(((
1212 -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.
1213 -)))
893 +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.
1214 1214  
1215 -[[image:1654162355560-817.png]]
1216 1216  
1217 1217  
1218 -(((
1219 -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:
1220 -)))
1221 1221  
1222 -[[image:1654162368066-342.png]]
898 +1.
899 +11. LEDs
1223 1223  
901 +|**LEDs**|**Feature**
902 +|**LED1**|Blink when device transmit a packet.
1224 1224  
1225 -(((
1226 -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/]]
904 +1.
905 +11. Switch Jumper
906 +
907 +|**Switch Jumper**|**Feature**
908 +|**SW1**|(((
909 +ISP position: Upgrade firmware via UART
910 +
911 +Flash position: Configure device, check running status.
1227 1227  )))
913 +|**SW2**|(((
914 +5V position: set to compatible with 5v I/O.
1228 1228  
916 +3.3v position: set to compatible with 3.3v I/O.,
917 +)))
1229 1229  
919 ++3.3V: is always ON
1230 1230  
1231 -== 5.2 Common AT Command Sequence ==
921 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1232 1232  
1233 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
923 +1. Case Study
1234 1234  
1235 -If device has not joined network yet:
925 +User can check this URL for some case studies.
1236 1236  
1237 -(% class="box infomessage" %)
1238 -(((
1239 -**AT+FDR**
1240 -)))
927 +[[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]]
1241 1241  
1242 -(% class="box infomessage" %)
1243 -(((
1244 -**AT+NJM=0**
1245 -)))
1246 1246  
1247 -(% class="box infomessage" %)
1248 -(((
1249 -**ATZ**
1250 -)))
1251 1251  
1252 1252  
1253 -If device already joined network:
932 +1. Use AT Command
933 +11. Access AT Command
1254 1254  
1255 -(% class="box infomessage" %)
1256 -(((
1257 -**AT+NJM=0**
1258 -)))
935 +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.
1259 1259  
1260 -(% class="box infomessage" %)
1261 -(((
1262 -**ATZ**
1263 -)))
937 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1264 1264  
1265 1265  
1266 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
940 +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:
1267 1267  
942 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1268 1268  
1269 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1270 1270  
1271 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1272 1272  
1273 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
946 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1274 1274  
1275 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1276 1276  
1277 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1278 1278  
1279 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
950 +1.
951 +11. Common AT Command Sequence
952 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1280 1280  
1281 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
954 +If device has not joined network yet:
1282 1282  
1283 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
956 +AT+FDR
1284 1284  
1285 -(% 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.
958 +AT+NJM=0
1286 1286  
1287 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
960 +ATZ
1288 1288  
1289 1289  
1290 -(% style="color:red" %)**Note:**
963 +If device already joined network:
1291 1291  
1292 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1293 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1294 -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.
1295 -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
965 +AT+NJM=0
1296 1296  
1297 -[[image:1654162478620-421.png]]
967 +ATZ
1298 1298  
969 +1.
970 +11.
971 +111. Single-channel ABP mode (Use with LG01/LG02)
1299 1299  
1300 -= 6. FAQ =
973 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1301 1301  
1302 -== 6.1 How to upgrade the image? ==
975 +AT+NJM=0 Set to ABP mode
1303 1303  
1304 -(((
1305 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1306 -)))
977 +AT+ADR=0 Set the Adaptive Data Rate Off
1307 1307  
1308 -* (((
1309 -Support new features
1310 -)))
1311 -* (((
1312 -For bug fix
1313 -)))
1314 -* (((
1315 -Change LoRaWAN bands.
1316 -)))
979 +AT+DR=5  Set Data Rate
1317 1317  
1318 -(((
1319 -Below shows the hardware connection for how to upload an image to RS485-LN:
1320 -)))
981 +AT+TDC=60000  Set transmit interval to 60 seconds
1321 1321  
1322 -[[image:1654162535040-878.png]]
983 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1323 1323  
1324 -**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]].
985 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1325 1325  
1326 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
987 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1327 1327  
1328 -**Step3: **Open flashloader; choose the correct COM port to update.
989 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1329 1329  
1330 -(((
1331 -(((
1332 -(% 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.
1333 -)))
1334 -)))
991 +ATZ          Reset MCU
1335 1335  
993 +**Note:**
1336 1336  
1337 -[[image:image-20220602175818-12.png]]
995 +1. Make sure the device is set to ABP mode in the IoT Server.
996 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
997 +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.
998 +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
1338 1338  
1000 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1339 1339  
1340 -[[image:image-20220602175848-13.png]]
1341 1341  
1003 +1. FAQ
1004 +11. How to upgrade the image?
1342 1342  
1343 -[[image:image-20220602175912-14.png]]
1006 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1344 1344  
1008 +* Support new features
1009 +* For bug fix
1010 +* Change LoRaWAN bands.
1345 1345  
1346 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1012 +Below shows the hardware connection for how to upload an image to RS485-BL:
1347 1347  
1348 -[[image:image-20220602175638-10.png]]
1014 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1349 1349  
1016 +**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]].
1350 1350  
1351 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1018 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1352 1352  
1353 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1020 +**Step3: **Open flashloader; choose the correct COM port to update.
1354 1354  
1355 1355  
1356 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1023 +|(((
1024 +HOLD PRO then press the RST button, SYS will be ON, then click next
1025 +)))
1357 1357  
1358 -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"]].
1027 +|(((
1028 +Board detected
1029 +)))
1359 1359  
1031 +|(((
1032 +
1033 +)))
1360 1360  
1361 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1035 +[[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]]
1362 1362  
1363 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1364 1364  
1365 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1366 1366  
1039 +[[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]]
1367 1367  
1368 -= 7. Trouble Shooting =
1369 1369  
1370 -== 7.1 Downlink doesn’t work, how to solve it? ==
1042 +[[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]]
1371 1371  
1372 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1373 1373  
1045 +1.
1046 +11. How to change the LoRa Frequency Bands/Region?
1374 1374  
1375 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1048 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1376 1376  
1377 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1378 1378  
1379 1379  
1380 -= 8. Order Info =
1052 +1.
1053 +11. How many RS485-Slave can RS485-BL connects?
1381 1381  
1382 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1055 +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]].
1383 1383  
1384 -(% style="color:blue" %)**XXX:**
1385 1385  
1386 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1387 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1388 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1389 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1390 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1391 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1392 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1393 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1394 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1395 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1396 1396  
1397 -= 9.Packing Info =
1398 1398  
1060 +1. Trouble Shooting     
1061 +11. Downlink doesn’t work, how to solve it?
1399 1399  
1400 -**Package Includes**:
1063 +Please see this link for debug:
1401 1401  
1402 -* RS485-LN x 1
1403 -* Stick Antenna for LoRa RF part x 1
1404 -* Program cable x 1
1065 +[[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]] 
1405 1405  
1406 -**Dimension and weight**:
1407 1407  
1408 -* Device Size: 13.5 x 7 x 3 cm
1409 -* Device Weight: 105g
1410 -* Package Size / pcs : 14.5 x 8 x 5 cm
1411 -* Weight / pcs : 170g
1412 1412  
1413 -= 10. FCC Caution for RS485LN-US915 =
1069 +1.
1070 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1414 1414  
1415 -(((
1416 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1417 -)))
1072 +It might about the channels mapping. Please see for detail.
1418 1418  
1419 -(((
1420 -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.
1421 -)))
1074 +[[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]]
1422 1422  
1423 -(((
1424 -
1425 -)))
1426 1426  
1427 -(((
1428 -**IMPORTANT NOTE:**
1429 -)))
1430 1430  
1431 -(((
1432 -**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:
1433 -)))
1078 +1. Order Info
1434 1434  
1435 -(((
1436 -—Reorient or relocate the receiving antenna.
1437 -)))
1080 +**Part Number: RS485-BL-XXX**
1438 1438  
1439 -(((
1440 -—Increase the separation between the equipment and receiver.
1441 -)))
1082 +**XXX:**
1442 1442  
1443 -(((
1444 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1445 -)))
1084 +* **EU433**: frequency bands EU433
1085 +* **EU868**: frequency bands EU868
1086 +* **KR920**: frequency bands KR920
1087 +* **CN470**: frequency bands CN470
1088 +* **AS923**: frequency bands AS923
1089 +* **AU915**: frequency bands AU915
1090 +* **US915**: frequency bands US915
1091 +* **IN865**: frequency bands IN865
1092 +* **RU864**: frequency bands RU864
1093 +* **KZ865: **frequency bands KZ865
1446 1446  
1447 -(((
1448 -—Consult the dealer or an experienced radio/TV technician for help.
1449 -)))
1095 +1. Packing Info
1450 1450  
1451 -(((
1452 -
1453 -)))
1097 +**Package Includes**:
1454 1454  
1455 -(((
1456 -**FCC Radiation Exposure Statement:**
1457 -)))
1099 +* RS485-BL x 1
1100 +* Stick Antenna for LoRa RF part x 1
1101 +* Program cable x 1
1458 1458  
1459 -(((
1460 -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.
1461 -)))
1103 +**Dimension and weight**:
1462 1462  
1105 +* Device Size: 13.5 x 7 x 3 cm
1106 +* Device Weight: 105g
1107 +* Package Size / pcs : 14.5 x 8 x 5 cm
1108 +* Weight / pcs : 170g
1463 1463  
1464 -= 11. Support =
1110 +1. Support
1465 1465  
1466 -* (((
1467 -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.
1468 -)))
1469 -* (((
1470 -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]].
1471 -)))
1112 +* 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.
1113 +* 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
1114 +
1115 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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