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<
From version < 58.2 >
edited by Xiaoling
on 2022/06/06 11:09
To version < 39.1 >
edited by Xiaoling
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>
Change comment: Uploaded new attachment "1654158783574-851.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -6,18 +6,12 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 -
20 -
21 21  = 1.Introduction =
22 22  
23 23  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -24,33 +24,23 @@
24 24  
25 25  (((
26 26  (((
27 -(((
28 28  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
29 29  )))
30 -)))
31 31  
32 32  (((
33 -(((
34 34  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
35 35  )))
36 -)))
37 37  
38 38  (((
39 -(((
40 40  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
47 -)))
48 48  
49 -(((
50 50  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
51 51  )))
52 52  )))
53 -)))
54 54  
55 55  [[image:1653267211009-519.png||height="419" width="724"]]
56 56  
... ... @@ -90,7 +90,7 @@
90 90  * Preamble detection.
91 91  * 127 dB Dynamic Range RSSI.
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
94 94  
95 95  == 1.3 Features ==
96 96  
... ... @@ -103,7 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -113,7 +113,6 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -123,13 +123,9 @@
123 123  
124 124  (((
125 125  (((
126 -(((
127 127  v1.2: Add External Interrupt Pin.
128 -)))
129 129  
130 -(((
131 131  v1.0: Release
132 -)))
133 133  
134 134  
135 135  )))
... ... @@ -157,9 +157,7 @@
157 157  == 3.1 How it works? ==
158 158  
159 159  (((
160 -(((
161 161  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
162 -)))
163 163  
164 164  
165 165  )))
... ... @@ -183,7 +183,7 @@
183 183  [[image:1653268227651-549.png||height="592" width="720"]]
184 184  
185 185  (((
186 -The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
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:
187 187  )))
188 188  
189 189  (((
... ... @@ -235,7 +235,7 @@
235 235  
236 236  (((
237 237  (((
238 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
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.
239 239  )))
240 240  
241 241  (((
... ... @@ -249,19 +249,19 @@
249 249  
250 250  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:
251 251  
252 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 -|=(% style="width: 110px;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
254 254  **AT Commands**
255 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
256 256  **Description**
257 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
258 258  **Example**
259 259  )))
260 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
261 261  AT+BAUDR
262 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
263 263  Set the baud rate (for RS485 connection). Default Value is: 9600.
264 -)))|(% style="width:190px" %)(((
240 +)))|(% style="width:346px" %)(((
265 265  (((
266 266  AT+BAUDR=9600
267 267  )))
... ... @@ -270,11 +270,11 @@
270 270  Options: (1200,2400,4800,14400,19200,115200)
271 271  )))
272 272  )))
273 -|(% style="width:110px" %)(((
249 +|(% style="width:128px" %)(((
274 274  AT+PARITY
275 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
276 276  Set UART parity (for RS485 connection)
277 -)))|(% style="width:190px" %)(((
253 +)))|(% style="width:346px" %)(((
278 278  (((
279 279  AT+PARITY=0
280 280  )))
... ... @@ -283,9 +283,9 @@
283 283  Option: 0: no parity, 1: odd parity, 2: even parity
284 284  )))
285 285  )))
286 -|(% style="width:110px" %)(((
262 +|(% style="width:128px" %)(((
287 287  AT+STOPBIT
288 -)))|(% style="width:190px" %)(((
264 +)))|(% style="width:305px" %)(((
289 289  (((
290 290  Set serial stopbit (for RS485 connection)
291 291  )))
... ... @@ -293,7 +293,7 @@
293 293  (((
294 294  
295 295  )))
296 -)))|(% style="width:190px" %)(((
272 +)))|(% style="width:346px" %)(((
297 297  (((
298 298  AT+STOPBIT=0 for 1bit
299 299  )))
... ... @@ -307,8 +307,6 @@
307 307  )))
308 308  )))
309 309  
310 -
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -317,18 +317,16 @@
317 317  )))
318 318  )))
319 319  
320 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
321 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
322 -|AT+CFGDEV|(% style="width:110px" %)(((
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" %)(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
324 324  
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
326 326  
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
328 -)))|(% 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
329 329  
330 -
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -374,8 +374,8 @@
374 374  
375 375  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
376 376  
377 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
379 379  **AT+DATACUTx=a,b,c**
380 380  
381 381  * **a: length for the return of AT+COMMAND**
... ... @@ -444,7 +444,6 @@
444 444  
445 445  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
446 446  
447 -
448 448  1. PAYVER: Defined by AT+PAYVER
449 449  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
450 450  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -501,9 +501,20 @@
501 501  
502 502  == 3.4 Uplink Payload ==
503 503  
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)
504 504  
505 -[[image:image-20220606110929-1.png]]
480 +&
506 506  
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 +
507 507  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
508 508  
509 509  
... ... @@ -513,43 +513,50 @@
513 513  
514 514  There are two kinds of Commands:
515 515  
516 -* (% 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]]
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]]
517 517  
518 518  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
519 519  
502 +
503 +
520 520  === 3.5.1 Common Commands ===
521 521  
522 522  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]]
523 523  
524 524  
525 -=== 3.5.2 Sensor related commands ===
509 +=== 3.5.2 Sensor related commands: ===
526 526  
527 -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) ====
528 528  
529 -[[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.
530 530  
531 -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
532 532  
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
533 533  
534 -=== 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.
535 535  
536 536  
522 +* Downlink Payload
537 537  
538 -==== **RS485 Debug Command** ====
524 +**0A aa**     à same as AT+MOD=aa
539 539  
540 -This command is used to configure the RS485 devices; they won’t be used during sampling.
541 541  
542 -* **AT Command**
543 543  
544 -(% class="box infomessage" %)
545 -(((
546 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
547 -)))
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
548 548  
549 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
530 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
550 550  
551 -* **Downlink Payload**
532 +* AT Command
552 552  
534 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
535 +
536 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
537 +
538 +
539 +
540 +* Downlink Payload
541 +
553 553  Format: A8 MM NN XX XX XX XX YY
554 554  
555 555  Where:
... ... @@ -557,12 +557,9 @@
557 557  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
558 558  * NN: The length of RS485 command
559 559  * XX XX XX XX: RS485 command total NN bytes
560 -* YY: How many bytes will be uplink from the return of this RS485 command,
561 -** if YY=0, RS485-LN will execute the downlink command without uplink;
562 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
563 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
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
564 564  
565 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
551 +**Example 1:**
566 566  
567 567  To connect a Modbus Alarm with below commands.
568 568  
... ... @@ -572,190 +572,184 @@
572 572  
573 573  So if user want to use downlink command to control to RS485 Alarm, he can use:
574 574  
575 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
561 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
576 576  
577 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
563 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
578 578  
579 579  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.
580 580  
581 581  
582 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
568 +**Example 2:**
583 583  
584 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
570 +Check TTL Sensor return:
585 585  
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
586 586  
587 -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:
588 588  
589 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
590 590  
591 - [[image:1654159460680-153.png]]
592 592  
577 +==== Set Payload version ====
593 593  
594 -
595 -==== **Set Payload version** ====
596 -
597 597  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.
598 598  
599 -* **AT Command:**
581 +* AT Command:
600 600  
601 -(% class="box infomessage" %)
602 -(((
603 -**AT+PAYVER: Set PAYVER field = 1**
604 -)))
583 +AT+PAYVER: Set PAYVER field = 1
605 605  
606 -* **Downlink Payload:**
607 607  
608 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
586 +* Downlink Payload:
609 609  
610 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
588 +0xAE 01   à Set PAYVER field =  0x01
611 611  
590 +0xAE 0F   à Set PAYVER field =  0x0F
612 612  
613 613  
614 -==== **Set RS485 Sampling Commands** ====
593 +==== Set RS485 Sampling Commands ====
615 615  
616 -AT+COMMANDx or AT+DATACUTx
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
617 617  
618 -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"]].
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]].
619 619  
620 620  
621 -* **AT Command:**
600 +* AT Command:
622 622  
623 -(% class="box infomessage" %)
624 -(((
625 -**AT+COMMANDx: Configure RS485 read command to sensor.**
626 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
627 627  
628 -(% class="box infomessage" %)
629 -(((
630 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
631 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
632 632  
606 +AT+SEARCHx: Configure search command
633 633  
634 -* **Downlink Payload:**
635 635  
636 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
609 +* Downlink Payload:
637 637  
638 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
611 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
639 639  
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
614 +
640 640  Format: AF MM NN LL XX XX XX XX YY
641 641  
642 642  Where:
643 643  
644 644  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
645 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
646 -* LL:  The length of AT+COMMAND or AT+DATACUT command
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
647 647  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
648 -* 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.
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.
649 649  
650 -**Example:**
625 +Example:
651 651  
652 -(% 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
627 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
653 653  
654 -(% 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**
629 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
655 655  
656 -(% 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**
631 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
657 657  
658 658  
634 +0xAB downlink command can be used for set AT+SEARCHx
659 659  
660 -==== **Fast command to handle MODBUS device** ====
636 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
661 661  
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
640 +
641 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
642 +
643 +
644 +==== Fast command to handle MODBUS device ====
645 +
662 662  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]].
663 663  
664 664  This command is valid since v1.3 firmware version
665 665  
666 -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.
667 667  
651 +AT+MBFUN has only two value:
668 668  
669 -**Example:**
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
670 670  
671 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
672 -* 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.
673 -* 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.
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.
674 674  
675 -[[image:image-20220602165351-6.png]]
657 +* AT+MBFUN=0: Disable Modbus fast reading.
676 676  
677 -[[image:image-20220602165351-7.png]]
659 +Example:
678 678  
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.
679 679  
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
680 680  
681 -==== **RS485 command timeout** ====
682 682  
683 -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.
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
684 684  
685 -Default value: 0, range:  0 ~~ 65 seconds
686 686  
687 -* **AT Command:**
671 +* Downlink Commands:
688 688  
689 -(% class="box infomessage" %)
690 -(((
691 -**AT+CMDDLaa=hex(bb cc)*1000**
692 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
693 693  
694 -**Example:**
695 695  
696 -**AT+CMDDL1=1000** to send the open time to 1000ms
676 +==== RS485 command timeout ====
697 697  
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.
698 698  
699 -* **Downlink Payload:**
680 +Default value: 0, range:  0 ~~ 5 seconds
700 700  
701 -**0x AA aa bb cc**
702 702  
703 -Same as: AT+CMDDLaa=hex(bb cc)*1000
683 +* AT Command:
704 704  
705 - **Example:**
685 +AT+CMDDLaa=hex(bb cc)
706 706  
707 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
687 +Example:
708 708  
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
709 709  
710 710  
711 -==== **Uplink payload mode** ====
692 +* Downlink Payload:
712 712  
713 -Define to use one uplink or multiple uplinks for the sampling.
694 +0x AA aa bb cc
714 714  
715 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
696 +Same as: AT+CMDDLaa=hex(bb cc)
716 716  
717 -* **AT Command:**
698 + Example:
718 718  
719 -(% class="box infomessage" %)
720 -(((
721 -**AT+DATAUP=0**
722 -)))
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
723 723  
724 -(% class="box infomessage" %)
725 -(((
726 -**AT+DATAUP=1**
727 -)))
728 728  
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
729 729  
730 -* **Downlink Payload:**
705 +Define to use one uplink or multiple uplinks for the sampling.
731 731  
732 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
733 733  
734 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
709 +* AT Command:
735 735  
711 +AT+DATAUP=0
736 736  
713 +AT+DATAUP=1
737 737  
738 -==== **Manually trigger an Uplink** ====
739 739  
740 -Ask device to send an uplink immediately.
716 +* Downlink Payload:
741 741  
742 -* **AT Command:**
718 +0xAD 00   à Same as AT+DATAUP=0
743 743  
744 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
720 +0xAD 01   à Same as AT+DATAUP=1
745 745  
746 746  
747 -* **Downlink Payload:**
723 +==== Manually trigger an Uplink ====
748 748  
749 -**0x08 FF**, RS485-LN will immediately send an uplink.
725 +Ask device to send an uplink immediately.
750 750  
727 +* Downlink Payload:
751 751  
729 +0x08 FF, RS485-BL will immediately send an uplink.
752 752  
753 -==== **Clear RS485 Command** ====
754 754  
732 +==== Clear RS485 Command ====
733 +
755 755  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
756 756  
757 -* **AT Command:**
758 758  
737 +* AT Command:
738 +
759 759  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
760 760  
761 761  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -763,50 +763,43 @@
763 763  Example screen shot after clear all RS485 commands. 
764 764  
765 765  
746 +
766 766  The uplink screen shot is:
767 767  
768 -[[image:1654160691922-496.png]]
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
769 769  
770 770  
771 -* **Downlink Payload:**
752 +* Downlink Payload:
772 772  
773 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
774 774  
775 775  
757 +==== Set Serial Communication Parameters ====
776 776  
777 -==== **Set Serial Communication Parameters** ====
778 -
779 779  Set the Rs485 serial communication parameters:
780 780  
781 -* **AT Command:**
761 +* AT Command:
782 782  
783 783  Set Baud Rate:
784 784  
785 -(% class="box infomessage" %)
786 -(((
787 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
788 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
789 789  
790 -Set UART Parity
791 791  
792 -(% class="box infomessage" %)
793 -(((
794 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
795 -)))
768 +Set UART parity
796 796  
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +
772 +
797 797  Set STOPBIT
798 798  
799 -(% class="box infomessage" %)
800 -(((
801 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
802 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
803 803  
804 804  
805 -* **Downlink Payload:**
778 +* Downlink Payload:
806 806  
807 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
808 808  
809 -**Example:**
782 +Example:
810 810  
811 811  * A7 01 00 60   same as AT+BAUDR=9600
812 812  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -816,313 +816,287 @@
816 816  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
817 817  
818 818  
819 -== 3.6 Listening mode for RS485 network ==
792 +==== Control output power duration ====
820 820  
821 -This feature support since firmware v1.4
794 +User can set the output power duration before each sampling.
822 822  
823 -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.
796 +* AT Command:
824 824  
825 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
798 +Example:
826 826  
827 -To enable the listening mode, use can run the command AT+RXMODE.
800 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
828 828  
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
829 829  
830 -(% border="1" style="background-color:#ffffcc; width:500px" %)
831 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
832 -|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)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.
833 -|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)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
834 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
835 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
836 836  
837 -**Downlink Command:**
805 +* LoRaWAN Downlink Command:
838 838  
839 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
840 840  
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
841 841  
842 -**Example**:
843 843  
844 -The RS485-LN is set to AT+RXMODE=2,1000
845 845  
846 -There is a two Modbus commands in the RS485 network as below:
847 847  
848 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
814 +1.
815 +11. Buttons
849 849  
850 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
817 +|**Button**|**Feature**
818 +|**RST**|Reboot RS485-BL
851 851  
852 -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
820 +1.
821 +11. +3V3 Output
853 853  
854 -[[image:image-20220602171200-9.png]]
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
855 855  
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. 
856 856  
857 -(% 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.
858 858  
828 +The +3V3 output time can be controlled by AT Command.
859 859  
860 -== 3.7 Buttons ==
830 +**AT+3V3T=1000**
861 861  
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
862 862  
863 -(% border="1" style="background-color:#f7faff; width:500px" %)
864 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
865 -|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
866 -|**RST**|(% style="width:1420px" %)Reboot RS485
867 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
868 868  
869 -== 3.8 LEDs ==
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
870 870  
871 -(% border="1" style="background-color:#f7faff; width:500px" %)
872 -|=**LEDs**|=**Feature**
873 -|**PWR**|Always on if there is power
874 -|**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.
875 875  
876 -= 4. Case Study =
838 +1.
839 +11. +5V Output
877 877  
878 -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]]
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
879 879  
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. 
880 880  
881 -= 5. Use AT Command =
882 882  
883 -== 5.1 Access AT Command ==
846 +The 5V output time can be controlled by AT Command.
884 884  
885 -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.
848 +**AT+5VT=1000**
886 886  
887 -[[image:1654162355560-817.png]]
850 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
888 888  
889 889  
890 -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:
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.
891 891  
892 -[[image:1654162368066-342.png]]
893 893  
894 894  
895 -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/]]
896 896  
858 +1.
859 +11. LEDs
897 897  
898 -== 5.2 Common AT Command Sequence ==
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
899 899  
900 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
864 +1.
865 +11. Switch Jumper
901 901  
902 -If device has not joined network yet:
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
903 903  
904 -(% class="box infomessage" %)
905 -(((
906 -**AT+FDR**
871 +Flash position: Configure device, check running status.
907 907  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
908 908  
909 -(% class="box infomessage" %)
910 -(((
911 -**AT+NJM=0**
876 +3.3v position: set to compatible with 3.3v I/O.,
912 912  )))
913 913  
914 -(% class="box infomessage" %)
915 -(((
916 -**ATZ**
917 -)))
879 ++3.3V: is always ON
918 918  
881 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
919 919  
920 -If device already joined network:
883 +1. Case Study
921 921  
922 -(% class="box infomessage" %)
923 -(((
924 -**AT+NJM=0**
925 -)))
885 +User can check this URL for some case studies.
926 926  
927 -(% class="box infomessage" %)
928 -(((
929 -**ATZ**
930 -)))
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]]
931 931  
932 932  
933 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
934 934  
935 935  
936 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
892 +1. Use AT Command
893 +11. Access AT Command
937 937  
938 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
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.
939 939  
940 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
897 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
941 941  
942 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
943 943  
944 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
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:
945 945  
946 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
902 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
947 947  
948 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
949 949  
950 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
951 951  
952 -(% 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.
906 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
953 953  
954 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
955 955  
956 956  
957 -(% style="color:red" %)**Note:**
910 +1.
911 +11. Common AT Command Sequence
912 +111. Multi-channel ABP mode (Use with SX1301/LG308)
958 958  
959 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
960 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
961 -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.
962 -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
914 +If device has not joined network yet:
963 963  
964 -[[image:1654162478620-421.png]]
916 +AT+FDR
965 965  
918 +AT+NJM=0
966 966  
967 -= 6. FAQ =
920 +ATZ
968 968  
969 -== 6.1 How to upgrade the image? ==
970 970  
971 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
923 +If device already joined network:
972 972  
973 -* Support new features
974 -* For bug fix
975 -* Change LoRaWAN bands.
925 +AT+NJM=0
976 976  
977 -Below shows the hardware connection for how to upload an image to RS485-LN:
927 +ATZ
978 978  
979 -[[image:1654162535040-878.png]]
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
980 980  
981 -**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]].
933 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
982 982  
983 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
935 +AT+NJM=0 Set to ABP mode
984 984  
985 -**Step3: **Open flashloader; choose the correct COM port to update.
937 +AT+ADR=0 Set the Adaptive Data Rate Off
986 986  
987 -(((
988 -(% 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.
989 -)))
939 +AT+DR=5  Set Data Rate
990 990  
941 +AT+TDC=60000  Set transmit interval to 60 seconds
991 991  
992 -[[image:image-20220602175818-12.png]]
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
993 993  
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
994 994  
995 -[[image:image-20220602175848-13.png]]
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
996 996  
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.
997 997  
998 -[[image:image-20220602175912-14.png]]
951 +ATZ          Reset MCU
999 999  
953 +**Note:**
1000 1000  
1001 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
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
1002 1002  
1003 -[[image:image-20220602175638-10.png]]
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1004 1004  
1005 1005  
1006 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
963 +1. FAQ
964 +11. How to upgrade the image?
1007 1007  
1008 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
966 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1009 1009  
968 +* Support new features
969 +* For bug fix
970 +* Change LoRaWAN bands.
1010 1010  
1011 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
972 +Below shows the hardware connection for how to upload an image to RS485-BL:
1012 1012  
1013 -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"]].
974 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1014 1014  
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]].
1015 1015  
1016 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
978 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1017 1017  
1018 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
980 +**Step3: **Open flashloader; choose the correct COM port to update.
1019 1019  
1020 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1021 1021  
983 +|(((
984 +HOLD PRO then press the RST button, SYS will be ON, then click next
985 +)))
1022 1022  
1023 -= 7. Trouble Shooting =
987 +|(((
988 +Board detected
989 +)))
1024 1024  
1025 -== 7.1 Downlink doesn’t work, how to solve it? ==
991 +|(((
992 +
993 +)))
1026 1026  
1027 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
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]]
1028 1028  
1029 1029  
1030 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1031 1031  
1032 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
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]]
1033 1033  
1034 1034  
1035 -= 8. Order Info =
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]]
1036 1036  
1037 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1038 1038  
1039 -(% style="color:blue" %)**XXX:**
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1040 1040  
1041 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1042 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1043 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1044 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1045 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1046 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1047 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1048 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1049 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1050 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
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.
1051 1051  
1052 1052  
1053 -= 9.Packing Info =
1054 1054  
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1055 1055  
1056 -**Package Includes**:
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]].
1057 1057  
1058 -* RS485-LN x 1
1059 -* Stick Antenna for LoRa RF part x 1
1060 -* Program cable x 1
1061 1061  
1062 -**Dimension and weight**:
1063 1063  
1064 -* Device Size: 13.5 x 7 x 3 cm
1065 -* Device Weight: 105g
1066 -* Package Size / pcs : 14.5 x 8 x 5 cm
1067 -* Weight / pcs : 170g
1068 1068  
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1069 1069  
1070 -= 10. FCC Caution for RS485LN-US915 =
1023 +Please see this link for debug:
1071 1071  
1072 -(((
1073 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1074 -)))
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]] 
1075 1075  
1076 -(((
1077 -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.
1078 -)))
1079 1079  
1080 -(((
1081 -
1082 -)))
1083 1083  
1084 -(((
1085 -**IMPORTANT NOTE:**
1086 -)))
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1087 1087  
1088 -(((
1089 -**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:
1090 -)))
1032 +It might about the channels mapping. Please see for detail.
1091 1091  
1092 -(((
1093 -—Reorient or relocate the receiving antenna.
1094 -)))
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]]
1095 1095  
1096 -(((
1097 -—Increase the separation between the equipment and receiver.
1098 -)))
1099 1099  
1100 -(((
1101 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1102 -)))
1103 1103  
1104 -(((
1105 -—Consult the dealer or an experienced radio/TV technician for help.
1106 -)))
1038 +1. Order Info
1107 1107  
1108 -(((
1109 -
1110 -)))
1040 +**Part Number: RS485-BL-XXX**
1111 1111  
1112 -(((
1113 -**FCC Radiation Exposure Statement:**
1114 -)))
1042 +**XXX:**
1115 1115  
1116 -(((
1117 -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.
1118 -)))
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
1119 1119  
1055 +1. Packing Info
1120 1120  
1121 -= 11. Support =
1057 +**Package Includes**:
1122 1122  
1123 -* (((
1124 -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.
1125 -)))
1126 -* (((
1127 -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]].
1128 -)))
1059 +* RS485-BL x 1
1060 +* Stick Antenna for LoRa RF part x 1
1061 +* Program cable x 1
1062 +
1063 +**Dimension and weight**:
1064 +
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
1069 +
1070 +1. Support
1071 +
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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