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From version 60.13
edited by Xiaoling
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Title
... ... @@ -1,1 +1,1 @@
1 -RS485-LN – RS485 to LoRaWAN Converter User Manual
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
... ... @@ -3,20 +3,15 @@
3 3  
4 4  
5 5  
6 +**RS485-LN – RS485 to LoRaWAN Converter User Manual**
6 6  
7 7  
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 -{{toc/}}
13 13  
14 14  
15 15  
16 16  
17 -
18 -
19 -
20 20  = 1.Introduction =
21 21  
22 22  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -23,37 +23,23 @@
23 23  
24 24  (((
25 25  (((
26 -(((
27 -
28 -
29 29  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.
30 30  )))
31 -)))
32 32  
33 33  (((
34 -(((
35 35  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.
36 36  )))
37 -)))
38 38  
39 39  (((
40 -(((
41 41  (% 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.
42 42  )))
43 -)))
44 44  
45 45  (((
46 -(((
47 47  (% 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.
48 -)))
49 49  
50 -(((
51 51  (% 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]]
52 -
53 -
54 54  )))
55 55  )))
56 -)))
57 57  
58 58  [[image:1653267211009-519.png||height="419" width="724"]]
59 59  
... ... @@ -93,11 +93,8 @@
93 93  * Preamble detection.
94 94  * 127 dB Dynamic Range RSSI.
95 95  * Automatic RF Sense and CAD with ultra-fast AFC.
96 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
97 97  
98 -
99 -
100 -
101 101  == 1.3 Features ==
102 102  
103 103  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -127,13 +127,9 @@
127 127  
128 128  (((
129 129  (((
130 -(((
131 131  v1.2: Add External Interrupt Pin.
132 -)))
133 133  
134 -(((
135 135  v1.0: Release
136 -)))
137 137  
138 138  
139 139  )))
... ... @@ -161,9 +161,7 @@
161 161  == 3.1 How it works? ==
162 162  
163 163  (((
164 -(((
165 165  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.
166 -)))
167 167  
168 168  
169 169  )))
... ... @@ -186,13 +186,12 @@
186 186  
187 187  [[image:1653268227651-549.png||height="592" width="720"]]
188 188  
189 -
190 190  (((
191 -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:
192 192  )))
193 193  
194 194  (((
195 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
166 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
196 196  )))
197 197  
198 198  (((
... ... @@ -202,7 +202,6 @@
202 202  
203 203  [[image:1652953462722-299.png]]
204 204  
205 -
206 206  (((
207 207  (((
208 208  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
... ... @@ -209,7 +209,7 @@
209 209  )))
210 210  
211 211  (((
212 -**Add APP EUI in the application.**
182 +Add APP EUI in the application.
213 213  )))
214 214  )))
215 215  
... ... @@ -225,15 +225,13 @@
225 225  
226 226  [[image:1652953542269-423.png||height="710" width="723"]]
227 227  
198 +Add APP KEY and DEV EUI
228 228  
229 -
230 -**Add APP KEY and DEV EUI**
231 -
232 232  [[image:1652953553383-907.png||height="514" width="724"]]
233 233  
234 234  
235 235  (((
236 -(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
204 +**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
237 237  )))
238 238  
239 239  [[image:1652953568895-172.png||height="232" width="724"]]
... ... @@ -243,15 +243,11 @@
243 243  
244 244  (((
245 245  (((
246 -(((
247 -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-LNviaATorDownlink"]] 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.
248 248  )))
249 -)))
250 250  
251 251  (((
252 -(((
253 253  (% 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
254 -)))
255 255  
256 256  
257 257  )))
... ... @@ -261,19 +261,19 @@
261 261  
262 262  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:
263 263  
264 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
265 -|=(% style="width: 110px;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
266 266  **AT Commands**
267 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
268 268  **Description**
269 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
270 270  **Example**
271 271  )))
272 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
273 273  AT+BAUDR
274 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
275 275  Set the baud rate (for RS485 connection). Default Value is: 9600.
276 -)))|(% style="width:190px" %)(((
240 +)))|(% style="width:346px" %)(((
277 277  (((
278 278  AT+BAUDR=9600
279 279  )))
... ... @@ -282,11 +282,11 @@
282 282  Options: (1200,2400,4800,14400,19200,115200)
283 283  )))
284 284  )))
285 -|(% style="width:110px" %)(((
249 +|(% style="width:128px" %)(((
286 286  AT+PARITY
287 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
288 288  Set UART parity (for RS485 connection)
289 -)))|(% style="width:190px" %)(((
253 +)))|(% style="width:346px" %)(((
290 290  (((
291 291  AT+PARITY=0
292 292  )))
... ... @@ -295,9 +295,9 @@
295 295  Option: 0: no parity, 1: odd parity, 2: even parity
296 296  )))
297 297  )))
298 -|(% style="width:110px" %)(((
262 +|(% style="width:128px" %)(((
299 299  AT+STOPBIT
300 -)))|(% style="width:190px" %)(((
264 +)))|(% style="width:305px" %)(((
301 301  (((
302 302  Set serial stopbit (for RS485 connection)
303 303  )))
... ... @@ -305,7 +305,7 @@
305 305  (((
306 306  
307 307  )))
308 -)))|(% style="width:190px" %)(((
272 +)))|(% style="width:346px" %)(((
309 309  (((
310 310  AT+STOPBIT=0 for 1bit
311 311  )))
... ... @@ -319,7 +319,6 @@
319 319  )))
320 320  )))
321 321  
322 -
323 323  === 3.3.2 Configure sensors ===
324 324  
325 325  (((
... ... @@ -328,23 +328,16 @@
328 328  )))
329 329  )))
330 330  
331 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
332 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
333 -|AT+CFGDEV|(% style="width:110px" %)(((
334 -(((
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" %)(((
335 335  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
336 -)))
337 337  
338 -(((
339 339  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
340 -)))
341 341  
342 -(((
343 343  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
344 -)))
345 -)))|(% 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
346 346  
347 -
348 348  === 3.3.3 Configure read commands for each sampling ===
349 349  
350 350  (((
... ... @@ -357,7 +357,7 @@
357 357  During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
358 358  
359 359  
360 -(% style="color:#037691" %)**Each RS485 commands include two parts:**
316 +**Each RS485 commands include two parts:**
361 361  
362 362  ~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
363 363  
... ... @@ -372,11 +372,11 @@
372 372  Below are examples for the how above AT Commands works.
373 373  
374 374  
375 -(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
331 +**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
376 376  
377 377  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
378 378  |(% style="width:496px" %)(((
379 -(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
335 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
380 380  
381 381  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
382 382  
... ... @@ -388,10 +388,10 @@
388 388  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
389 389  
390 390  
391 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
347 +**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
392 392  
393 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
394 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
395 395  **AT+DATACUTx=a,b,c**
396 396  
397 397  * **a: length for the return of AT+COMMAND**
... ... @@ -401,21 +401,20 @@
401 401  
402 402  **Examples:**
403 403  
404 -* (% style="color:#037691" %)**Grab bytes**
360 +* Grab bytes:
405 405  
406 406  [[image:image-20220602153621-1.png]]
407 407  
408 408  
409 -* (% style="color:#037691" %)**Grab a section**
365 +* Grab a section.
410 410  
411 411  [[image:image-20220602153621-2.png]]
412 412  
413 413  
414 -* (% style="color:#037691" %)**Grab different sections**
370 +* Grab different sections.
415 415  
416 416  [[image:image-20220602153621-3.png]]
417 417  
418 -
419 419  
420 420  )))
421 421  
... ... @@ -461,7 +461,6 @@
461 461  
462 462  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
463 463  
464 -
465 465  1. PAYVER: Defined by AT+PAYVER
466 466  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
467 467  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -518,33 +518,33 @@
518 518  
519 519  == 3.4 Uplink Payload ==
520 520  
475 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
476 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
477 +|Value|(% style="width:120px" %)(((
478 +Battery(mV)
521 521  
522 -[[image:image-20220606110929-1.png]]
480 +&
523 523  
482 +Interrupt _Flag
483 +)))|(% style="width:116px" %)(((
484 +PAYLOAD_VER
485 +
486 +
487 +)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
488 +
524 524  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
525 525  
526 526  
527 -== 3.5 Configure RS485-LN via AT or Downlink ==
492 +== 3.5 Configure RS485-BL via AT or Downlink ==
528 528  
529 -(((
530 530  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
531 -)))
532 532  
533 -(((
534 534  There are two kinds of Commands:
535 -)))
536 536  
537 -* (((
538 -(% 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]]
539 -)))
498 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
540 540  
541 -* (((
542 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
543 -)))
500 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
544 544  
545 -(((
546 -
547 -)))
548 548  
549 549  
550 550  === 3.5.1 Common Commands ===
... ... @@ -552,950 +552,570 @@
552 552  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]]
553 553  
554 554  
555 -=== 3.5.2 Sensor related commands ===
509 +=== 3.5.2 Sensor related commands: ===
556 556  
557 -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.
511 +==== Choose Device Type (RS485 or TTL) ====
558 558  
559 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
513 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
560 560  
561 -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)
515 +* AT Command
562 562  
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
563 563  
564 -=== 3.5.3 Sensor related commands ===
519 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
565 565  
566 566  
522 +* Downlink Payload
567 567  
524 +**0A aa**     à same as AT+MOD=aa
568 568  
569 -==== **RS485 Debug Command** ====
570 570  
571 -(((
572 -This command is used to configure the RS485 devices; they won’t be used during sampling.
573 -)))
574 574  
575 -* (((
576 -**AT Command**
577 -)))
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
578 578  
579 -(% class="box infomessage" %)
580 -(((
581 -(((
582 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
583 -)))
584 -)))
530 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
585 585  
586 -(((
587 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
588 -)))
532 +* AT Command
589 589  
590 -* (((
591 -**Downlink Payload**
592 -)))
534 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
593 593  
594 -(((
536 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
537 +
538 +
539 +
540 +* Downlink Payload
541 +
595 595  Format: A8 MM NN XX XX XX XX YY
596 -)))
597 597  
598 -(((
599 599  Where:
600 -)))
601 601  
602 -* (((
603 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
604 -)))
605 -* (((
606 -NN: The length of RS485 command
607 -)))
608 -* (((
609 -XX XX XX XX: RS485 command total NN bytes
610 -)))
611 -* (((
612 -(((
613 -YY: How many bytes will be uplink from the return of this RS485 command,
614 -)))
546 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
547 +* NN: The length of RS485 command
548 +* XX XX XX XX: RS485 command total NN bytes
549 +* 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
615 615  
616 -* (((
617 -if YY=0, RS485-LN will execute the downlink command without uplink;
618 -)))
619 -* (((
620 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
621 -)))
622 -* (((
623 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
624 -)))
625 -)))
551 +**Example 1:**
626 626  
627 -(((
628 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
629 -)))
630 -
631 -(((
632 632  To connect a Modbus Alarm with below commands.
633 -)))
634 634  
635 -* (((
636 -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.
637 -)))
555 +* 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.
638 638  
639 -* (((
640 -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.
641 -)))
557 +* 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.
642 642  
643 -(((
644 644  So if user want to use downlink command to control to RS485 Alarm, he can use:
645 -)))
646 646  
647 -(((
648 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
649 -)))
561 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
650 650  
651 -(((
652 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
653 -)))
563 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
654 654  
655 -(((
656 656  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.
657 -)))
658 658  
659 -(((
660 -
661 -)))
662 662  
663 -(((
664 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
665 -)))
568 +**Example 2:**
666 666  
667 -(((
668 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
669 -)))
570 +Check TTL Sensor return:
670 670  
671 -(((
672 -
673 -)))
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
674 674  
675 -(((
676 -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:
677 -)))
678 678  
679 -(((
680 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
681 -)))
682 682  
683 -(((
684 - [[image:1654159460680-153.png]]
685 -)))
686 686  
577 +==== Set Payload version ====
687 687  
579 +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.
688 688  
581 +* AT Command:
689 689  
690 -==== **Set Payload version** ====
583 +AT+PAYVER: Set PAYVER field = 1
691 691  
692 -(((
693 -This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
694 -)))
695 695  
696 -* (((
697 -**AT Command:**
698 -)))
586 +* Downlink Payload:
699 699  
700 -(% class="box infomessage" %)
701 -(((
702 -(((
703 -**AT+PAYVER: Set PAYVER field = 1**
704 -)))
705 -)))
588 +0xAE 01   à Set PAYVER field =  0x01
706 706  
707 -* (((
708 -**Downlink Payload:**
709 -)))
590 +0xAE 0F   à Set PAYVER field =  0x0F
710 710  
711 -(((
712 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
713 -)))
714 714  
715 -(((
716 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
717 -)))
593 +==== Set RS485 Sampling Commands ====
718 718  
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
719 719  
597 +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]].
720 720  
721 721  
722 -==== **Set RS485 Sampling Commands** ====
600 +* AT Command:
723 723  
724 -(((
725 -AT+COMMANDx or AT+DATACUTx
726 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
727 727  
728 -(((
729 -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"]].
730 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
731 731  
732 -(((
733 -
734 -)))
606 +AT+SEARCHx: Configure search command
735 735  
736 -* (((
737 -**AT Command:**
738 -)))
739 739  
740 -(% class="box infomessage" %)
741 -(((
742 -(((
743 -**AT+COMMANDx: Configure RS485 read command to sensor.**
744 -)))
745 -)))
609 +* Downlink Payload:
746 746  
747 -(% class="box infomessage" %)
748 -(((
749 -(((
750 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
751 -)))
752 -)))
611 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
753 753  
754 -(((
755 -
756 -)))
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
757 757  
758 -* (((
759 -**Downlink Payload:**
760 -)))
615 +Format: AF MM NN LL XX XX XX XX YY
761 761  
762 -(((
763 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
764 -)))
617 +Where:
765 765  
766 -(((
767 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
768 -)))
619 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
620 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
621 +* LL: The length of AT+COMMAND or AT+DATACUT command
622 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
623 +* 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.
769 769  
770 -(((
771 -Format: AF MM NN LL XX XX XX XX YY
772 -)))
625 +Example:
773 773  
774 -(((
775 -Where:
776 -)))
627 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
777 777  
778 -* (((
779 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
780 -)))
781 -* (((
782 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
783 -)))
784 -* (((
785 -LL:  The length of AT+COMMAND or AT+DATACUT command
786 -)))
787 -* (((
788 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
789 -)))
790 -* (((
791 -YY:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
792 -)))
629 +**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 -**Example:**
796 -)))
631 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
797 797  
798 -(((
799 -(% 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
800 -)))
801 801  
802 -(((
803 -(% 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**
804 -)))
634 +0xAB downlink command can be used for set AT+SEARCHx
805 805  
806 -(((
807 -(% 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**
808 -)))
636 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
809 809  
638 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
639 +* 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
810 810  
641 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
811 811  
812 812  
813 -==== **Fast command to handle MODBUS device** ====
644 +==== Fast command to handle MODBUS device ====
814 814  
815 -(((
816 816  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]].
817 -)))
818 818  
819 -(((
820 820  This command is valid since v1.3 firmware version
821 -)))
822 822  
823 -(((
824 -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.
825 -)))
826 826  
827 -(((
828 -
829 -)))
651 +AT+MBFUN has only two value:
830 830  
831 -(((
832 -**Example:**
833 -)))
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
834 834  
835 -* (((
836 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
837 -)))
838 -* (((
839 -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.
840 -)))
841 -* (((
842 -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.
843 -)))
655 +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.
844 844  
845 -[[image:image-20220602165351-6.png]]
657 +* AT+MBFUN=0: Disable Modbus fast reading.
846 846  
847 -[[image:image-20220602165351-7.png]]
659 +Example:
848 848  
661 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
662 +* 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.
663 +* 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.
849 849  
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
850 850  
851 851  
852 -==== **RS485 command timeout** ====
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
853 853  
854 -(((
855 -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.
856 -)))
857 857  
858 -(((
859 -Default value: 0, range:  0 ~~ 65 seconds
860 -)))
671 +* Downlink Commands:
861 861  
862 -* (((
863 -**AT Command:**
864 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
865 865  
866 -(% class="box infomessage" %)
867 -(((
868 -(((
869 -**AT+CMDDLaa=hex(bb cc)*1000**
870 -)))
871 -)))
872 872  
873 -(((
874 -**Example:**
875 -)))
676 +==== RS485 command timeout ====
876 876  
877 -(((
878 -**AT+CMDDL1=1000** to send the open time to 1000ms
879 -)))
678 +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 -
883 -)))
680 +Default value: 0, range:  0 ~~ 5 seconds
884 884  
885 -* (((
886 -**Downlink Payload:**
887 -)))
888 888  
889 -(((
890 -**0x AA aa bb cc**
891 -)))
683 +* AT Command:
892 892  
893 -(((
894 -Same as: AT+CMDDLaa=hex(bb cc)*1000
895 -)))
685 +AT+CMDDLaa=hex(bb cc)
896 896  
897 -(((
898 - **Example:**
899 -)))
687 +Example:
900 900  
901 -(((
902 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
903 -)))
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
904 904  
905 905  
692 +* Downlink Payload:
906 906  
694 +0x AA aa bb cc
907 907  
908 -==== **Uplink payload mode** ====
696 +Same as: AT+CMDDLaa=hex(bb cc)
909 909  
910 -(((
911 -Define to use one uplink or multiple uplinks for the sampling.
912 -)))
698 + Example:
913 913  
914 -(((
915 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
916 -)))
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
917 917  
918 -* (((
919 -**AT Command:**
920 -)))
921 921  
922 -(% class="box infomessage" %)
923 -(((
924 -(((
925 -**AT+DATAUP=0**
926 -)))
927 -)))
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
928 928  
929 -(% class="box infomessage" %)
930 -(((
931 -(((
932 -**AT+DATAUP=1**
933 -)))
934 -)))
705 +Define to use one uplink or multiple uplinks for the sampling.
935 935  
936 -(((
937 -
938 -)))
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
939 939  
940 -* (((
941 -**Downlink Payload:**
942 -)))
709 +* AT Command:
943 943  
944 -(((
945 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
946 -)))
711 +AT+DATAUP=0
947 947  
948 -(((
949 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
950 -)))
713 +AT+DATAUP=1
951 951  
952 952  
716 +* Downlink Payload:
953 953  
718 +0xAD 00   à Same as AT+DATAUP=0
954 954  
955 -==== **Manually trigger an Uplink** ====
720 +0xAD 01   à Same as AT+DATAUP=1
956 956  
957 -(((
958 -Ask device to send an uplink immediately.
959 -)))
960 960  
961 -* (((
962 -**AT Command:**
963 -)))
723 +==== Manually trigger an Uplink ====
964 964  
965 -(((
966 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
967 -)))
725 +Ask device to send an uplink immediately.
968 968  
969 -(((
970 -
971 -)))
727 +* Downlink Payload:
972 972  
973 -* (((
974 -**Downlink Payload:**
975 -)))
729 +0x08 FF, RS485-BL will immediately send an uplink.
976 976  
977 -(((
978 -**0x08 FF**, RS485-LN will immediately send an uplink.
979 -)))
980 980  
732 +==== Clear RS485 Command ====
981 981  
982 -
983 -
984 -==== **Clear RS485 Command** ====
985 -
986 -(((
987 987  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
988 -)))
989 989  
990 -* (((
991 -**AT Command:**
992 -)))
993 993  
994 -(((
737 +* AT Command:
738 +
995 995  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
996 -)))
997 997  
998 -(((
999 999  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1000 -)))
1001 1001  
1002 -(((
1003 1003  Example screen shot after clear all RS485 commands. 
1004 -)))
1005 1005  
1006 -(((
1007 -
1008 -)))
1009 1009  
1010 -(((
746 +
1011 1011  The uplink screen shot is:
1012 -)))
1013 1013  
1014 -[[image:1654160691922-496.png]]
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1015 1015  
1016 1016  
1017 -* (((
1018 -**Downlink Payload:**
1019 -)))
752 +* Downlink Payload:
1020 1020  
1021 -(((
1022 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
1023 -)))
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
1024 1024  
1025 1025  
757 +==== Set Serial Communication Parameters ====
1026 1026  
1027 -
1028 -==== **Set Serial Communication Parameters** ====
1029 -
1030 -(((
1031 1031  Set the Rs485 serial communication parameters:
1032 -)))
1033 1033  
1034 -* (((
1035 -**AT Command:**
1036 -)))
761 +* AT Command:
1037 1037  
1038 -(((
1039 1039  Set Baud Rate:
1040 -)))
1041 1041  
1042 -(% class="box infomessage" %)
1043 -(((
1044 -(((
1045 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1046 -)))
1047 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1048 1048  
1049 -(((
1050 -Set UART Parity
1051 -)))
1052 1052  
1053 -(% class="box infomessage" %)
1054 -(((
1055 -(((
1056 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1057 -)))
1058 -)))
768 +Set UART parity
1059 1059  
1060 -(((
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +
772 +
1061 1061  Set STOPBIT
1062 -)))
1063 1063  
1064 -(% class="box infomessage" %)
1065 -(((
1066 -(((
1067 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1068 -)))
1069 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1070 1070  
1071 -(((
1072 -
1073 -)))
1074 1074  
1075 -* (((
1076 -**Downlink Payload:**
1077 -)))
778 +* Downlink Payload:
1078 1078  
1079 -(((
1080 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1081 -)))
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1082 1082  
1083 -(((
1084 -**Example:**
1085 -)))
782 +Example:
1086 1086  
1087 -* (((
1088 -A7 01 00 60   same as AT+BAUDR=9600
1089 -)))
1090 -* (((
1091 -A7 01 04 80  same as AT+BAUDR=115200
1092 -)))
784 +* A7 01 00 60   same as AT+BAUDR=9600
785 +* A7 01 04 80  same as AT+BAUDR=115200
1093 1093  
1094 -(((
1095 1095  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1096 -)))
1097 1097  
1098 -(((
1099 1099  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1100 -)))
1101 1101  
1102 1102  
792 +==== Control output power duration ====
1103 1103  
794 +User can set the output power duration before each sampling.
1104 1104  
1105 -== 3.6 Listening mode for RS485 network ==
796 +* AT Command:
1106 1106  
1107 -(((
1108 -This feature support since firmware v1.4
1109 -)))
798 +Example:
1110 1110  
1111 -(((
1112 -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.
1113 -)))
800 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1114 1114  
1115 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1116 1116  
1117 -(((
1118 -To enable the listening mode, use can run the command AT+RXMODE.
1119 -)))
1120 1120  
1121 -(((
1122 -
1123 -)))
805 +* LoRaWAN Downlink Command:
1124 1124  
1125 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1126 -|=(% style="width: 100px;" %)(((
1127 -**Command example**
1128 -)))|=(% style="width: 400px;" %)(((
1129 -**Function**
1130 -)))
1131 -|(% style="width:100px" %)(((
1132 -AT+RXMODE=1,10
1133 -)))|(% style="width:400px" %)(((
1134 -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.
1135 -)))
1136 -|(% style="width:100px" %)(((
1137 -AT+RXMODE=2,500
1138 -)))|(% style="width:400px" %)(((
1139 -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
1140 -)))
1141 -|(% style="width:100px" %)(((
1142 -AT+RXMODE=0,0
1143 -)))|(% style="width:400px" %)(((
1144 -Disable listening mode. This is the default settings.
1145 -)))
1146 -|(% style="width:100px" %)(((
1147 -
1148 -)))|(% style="width:400px" %)(((
1149 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1150 -)))
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
1151 1151  
1152 -(((
1153 -**Downlink Command:**
1154 -)))
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1155 1155  
1156 -(((
1157 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1158 -)))
1159 1159  
1160 -(((
1161 -
1162 -)))
1163 1163  
1164 -(((
1165 -**Example**:
1166 -)))
1167 1167  
1168 -(((
1169 -The RS485-LN is set to AT+RXMODE=2,1000
1170 -)))
814 +1.
815 +11. Buttons
1171 1171  
1172 -(((
1173 -There is a two Modbus commands in the RS485 network as below:
1174 -)))
817 +|**Button**|**Feature**
818 +|**RST**|Reboot RS485-BL
1175 1175  
1176 -(((
1177 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1178 -)))
820 +1.
821 +11. +3V3 Output
1179 1179  
1180 -(((
1181 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1182 -)))
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1183 1183  
1184 -(((
1185 -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
1186 -)))
825 +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. 
1187 1187  
1188 -(((
1189 -[[image:image-20220602171200-9.png]]
1190 -)))
1191 1191  
1192 -(((
1193 -
1194 -)))
828 +The +3V3 output time can be controlled by AT Command.
1195 1195  
1196 -(((
1197 -(((
1198 -(% 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.
1199 -)))
1200 -)))
830 +**AT+3V3T=1000**
1201 1201  
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1202 1202  
1203 -== 3.7 Buttons ==
1204 1204  
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1205 1205  
1206 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1207 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1208 -|(% style="width:50px" %)**ACT**|(% style="width:361px" %)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**
1209 -|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1210 -|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1211 1211  
1212 -== 3.8 LEDs ==
838 +1.
839 +11. +5V Output
1213 1213  
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1214 1214  
1215 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1216 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1217 -|**PWR**|Always on if there is power
1218 -|**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.
843 +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. 
1219 1219  
1220 -= 4. Case Study =
1221 1221  
1222 -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]]
846 +The 5V output time can be controlled by AT Command.
1223 1223  
848 +**AT+5VT=1000**
1224 1224  
1225 -= 5. Use AT Command =
850 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1226 1226  
1227 -== 5.1 Access AT Command ==
1228 1228  
1229 -(((
1230 -RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
1231 -)))
853 +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.
1232 1232  
1233 -[[image:1654162355560-817.png]]
1234 1234  
1235 1235  
1236 -(((
1237 -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-LN. The default password is 123456. Below is the output for reference:
1238 -)))
1239 1239  
1240 -[[image:1654162368066-342.png]]
858 +1.
859 +11. LEDs
1241 1241  
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
1242 1242  
1243 -(((
1244 -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/]]
864 +1.
865 +11. Switch Jumper
866 +
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
870 +
871 +Flash position: Configure device, check running status.
1245 1245  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
1246 1246  
876 +3.3v position: set to compatible with 3.3v I/O.,
877 +)))
1247 1247  
879 ++3.3V: is always ON
1248 1248  
1249 -== 5.2 Common AT Command Sequence ==
881 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1250 1250  
1251 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
883 +1. Case Study
1252 1252  
1253 -If device has not joined network yet:
885 +User can check this URL for some case studies.
1254 1254  
1255 -(% class="box infomessage" %)
1256 -(((
1257 -**AT+FDR**
1258 -)))
887 +[[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]]
1259 1259  
1260 -(% class="box infomessage" %)
1261 -(((
1262 -**AT+NJM=0**
1263 -)))
1264 1264  
1265 -(% class="box infomessage" %)
1266 -(((
1267 -**ATZ**
1268 -)))
1269 1269  
1270 1270  
1271 -(((
1272 -If device already joined network:
1273 -)))
892 +1. Use AT Command
893 +11. Access AT Command
1274 1274  
1275 -(% class="box infomessage" %)
1276 -(((
1277 -**AT+NJM=0**
1278 -)))
895 +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.
1279 1279  
1280 -(% class="box infomessage" %)
1281 -(((
1282 -**ATZ**
1283 -)))
897 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1284 1284  
1285 1285  
1286 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
900 +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:
1287 1287  
902 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1288 1288  
1289 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1290 1290  
1291 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1292 1292  
1293 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
906 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1294 1294  
1295 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1296 1296  
1297 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1298 1298  
1299 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
910 +1.
911 +11. Common AT Command Sequence
912 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1300 1300  
1301 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
914 +If device has not joined network yet:
1302 1302  
1303 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
916 +AT+FDR
1304 1304  
1305 -(% 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.
918 +AT+NJM=0
1306 1306  
1307 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
920 +ATZ
1308 1308  
1309 1309  
1310 -(% style="color:red" %)**Note:**
923 +If device already joined network:
1311 1311  
1312 -(((
1313 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1314 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1315 -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.
1316 -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
1317 -)))
925 +AT+NJM=0
1318 1318  
1319 -[[image:1654162478620-421.png]]
927 +ATZ
1320 1320  
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
1321 1321  
1322 -= 6. FAQ =
933 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1323 1323  
1324 -== 6.1 How to upgrade the image? ==
935 +AT+NJM=0 Set to ABP mode
1325 1325  
1326 -(((
1327 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1328 -)))
937 +AT+ADR=0 Set the Adaptive Data Rate Off
1329 1329  
1330 -* (((
1331 -Support new features
1332 -)))
1333 -* (((
1334 -For bug fix
1335 -)))
1336 -* (((
1337 -Change LoRaWAN bands.
1338 -)))
939 +AT+DR=5  Set Data Rate
1339 1339  
1340 -(((
1341 -Below shows the hardware connection for how to upload an image to RS485-LN:
1342 -)))
941 +AT+TDC=60000  Set transmit interval to 60 seconds
1343 1343  
1344 -[[image:1654162535040-878.png]]
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1345 1345  
1346 -(((
1347 -**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]].
1348 -)))
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1349 1349  
1350 -(((
1351 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1352 -)))
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1353 1353  
1354 -(((
1355 -**Step3: **Open flashloader; choose the correct COM port to update.
1356 -)))
949 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1357 1357  
1358 -(((
1359 -(((
1360 -(((
1361 -(% 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.
1362 -)))
1363 -)))
1364 -)))
951 +ATZ          Reset MCU
1365 1365  
953 +**Note:**
1366 1366  
1367 -[[image:image-20220602175818-12.png]]
955 +1. Make sure the device is set to ABP mode in the IoT Server.
956 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
957 +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.
958 +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
1368 1368  
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1369 1369  
1370 -[[image:image-20220602175848-13.png]]
1371 1371  
963 +1. FAQ
964 +11. How to upgrade the image?
1372 1372  
1373 -[[image:image-20220602175912-14.png]]
966 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1374 1374  
968 +* Support new features
969 +* For bug fix
970 +* Change LoRaWAN bands.
1375 1375  
1376 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
972 +Below shows the hardware connection for how to upload an image to RS485-BL:
1377 1377  
1378 -[[image:image-20220602175638-10.png]]
974 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1379 1379  
976 +**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]].
1380 1380  
1381 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
978 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1382 1382  
1383 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
980 +**Step3: **Open flashloader; choose the correct COM port to update.
1384 1384  
1385 1385  
1386 -== 6.3 How many RS485-Slave can RS485-LN connects? ==
983 +|(((
984 +HOLD PRO then press the RST button, SYS will be ON, then click next
985 +)))
1387 1387  
1388 -The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN 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"]].
987 +|(((
988 +Board detected
989 +)))
1389 1389  
991 +|(((
992 +
993 +)))
1390 1390  
1391 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
995 +[[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]]
1392 1392  
1393 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1394 1394  
1395 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1396 1396  
999 +[[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]]
1397 1397  
1398 -= 7. Trouble Shooting =
1399 1399  
1400 -== 7.1 Downlink doesn’t work, how to solve it? ==
1002 +[[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]]
1401 1401  
1402 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1403 1403  
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1404 1404  
1405 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1008 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1406 1406  
1407 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1408 1408  
1409 1409  
1410 -= 8. Order Info =
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1411 1411  
1412 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1015 +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]].
1413 1413  
1414 -(% style="color:blue" %)**XXX:**
1415 1415  
1416 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1417 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1418 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1419 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1420 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1421 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1422 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1423 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1424 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1425 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1426 1426  
1427 -= 9.Packing Info =
1428 1428  
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1429 1429  
1430 -**Package Includes**:
1023 +Please see this link for debug:
1431 1431  
1432 -* RS485-LN x 1
1433 -* Stick Antenna for LoRa RF part x 1
1434 -* Program cable x 1
1025 +[[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]] 
1435 1435  
1436 -**Dimension and weight**:
1437 1437  
1438 -* Device Size: 13.5 x 7 x 3 cm
1439 -* Device Weight: 105g
1440 -* Package Size / pcs : 14.5 x 8 x 5 cm
1441 -* Weight / pcs : 170g
1442 1442  
1443 -= 10. FCC Caution for RS485LN-US915 =
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1444 1444  
1445 -(((
1446 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1447 -)))
1032 +It might about the channels mapping. Please see for detail.
1448 1448  
1449 -(((
1450 -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.
1451 -)))
1034 +[[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]]
1452 1452  
1453 -(((
1454 -
1455 -)))
1456 1456  
1457 -(((
1458 -**IMPORTANT NOTE:**
1459 -)))
1460 1460  
1461 -(((
1462 -**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:
1463 -)))
1038 +1. Order Info
1464 1464  
1465 -(((
1466 -—Reorient or relocate the receiving antenna.
1467 -)))
1040 +**Part Number: RS485-BL-XXX**
1468 1468  
1469 -(((
1470 -—Increase the separation between the equipment and receiver.
1471 -)))
1042 +**XXX:**
1472 1472  
1473 -(((
1474 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1475 -)))
1044 +* **EU433**: frequency bands EU433
1045 +* **EU868**: frequency bands EU868
1046 +* **KR920**: frequency bands KR920
1047 +* **CN470**: frequency bands CN470
1048 +* **AS923**: frequency bands AS923
1049 +* **AU915**: frequency bands AU915
1050 +* **US915**: frequency bands US915
1051 +* **IN865**: frequency bands IN865
1052 +* **RU864**: frequency bands RU864
1053 +* **KZ865: **frequency bands KZ865
1476 1476  
1477 -(((
1478 -—Consult the dealer or an experienced radio/TV technician for help.
1479 -)))
1055 +1. Packing Info
1480 1480  
1481 -(((
1482 -
1483 -)))
1057 +**Package Includes**:
1484 1484  
1485 -(((
1486 -**FCC Radiation Exposure Statement:**
1487 -)))
1059 +* RS485-BL x 1
1060 +* Stick Antenna for LoRa RF part x 1
1061 +* Program cable x 1
1488 1488  
1489 -(((
1490 -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.
1491 -)))
1063 +**Dimension and weight**:
1492 1492  
1065 +* Device Size: 13.5 x 7 x 3 cm
1066 +* Device Weight: 105g
1067 +* Package Size / pcs : 14.5 x 8 x 5 cm
1068 +* Weight / pcs : 170g
1493 1493  
1494 -= 11. Support =
1070 +1. Support
1495 1495  
1496 -* (((
1497 -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.
1498 -)))
1499 -* (((
1500 -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]].
1501 -)))
1072 +* 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.
1073 +* 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
1074 +
1075 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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