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<
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on 2022/06/06 10:49
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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  
... ... @@ -103,8 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 -
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
... ... @@ -114,8 +114,6 @@
114 114  * Smart Cities
115 115  * Smart Factory
116 116  
117 -
118 -
119 119  == 1.5 Firmware Change log ==
120 120  
121 121  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -125,13 +125,9 @@
125 125  
126 126  (((
127 127  (((
128 -(((
129 129  v1.2: Add External Interrupt Pin.
130 -)))
131 131  
132 -(((
133 133  v1.0: Release
134 -)))
135 135  
136 136  
137 137  )))
... ... @@ -159,9 +159,7 @@
159 159  == 3.1 How it works? ==
160 160  
161 161  (((
162 -(((
163 163  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.
164 -)))
165 165  
166 166  
167 167  )))
... ... @@ -185,7 +185,7 @@
185 185  [[image:1653268227651-549.png||height="592" width="720"]]
186 186  
187 187  (((
188 -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:
189 189  )))
190 190  
191 191  (((
... ... @@ -237,7 +237,7 @@
237 237  
238 238  (((
239 239  (((
240 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
214 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
241 241  )))
242 242  
243 243  (((
... ... @@ -251,19 +251,19 @@
251 251  
252 252  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:
253 253  
254 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
255 -|=(% style="width: 110px;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
256 256  **AT Commands**
257 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
258 258  **Description**
259 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
260 260  **Example**
261 261  )))
262 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
263 263  AT+BAUDR
264 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
265 265  Set the baud rate (for RS485 connection). Default Value is: 9600.
266 -)))|(% style="width:190px" %)(((
240 +)))|(% style="width:346px" %)(((
267 267  (((
268 268  AT+BAUDR=9600
269 269  )))
... ... @@ -272,11 +272,11 @@
272 272  Options: (1200,2400,4800,14400,19200,115200)
273 273  )))
274 274  )))
275 -|(% style="width:110px" %)(((
249 +|(% style="width:128px" %)(((
276 276  AT+PARITY
277 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
278 278  Set UART parity (for RS485 connection)
279 -)))|(% style="width:190px" %)(((
253 +)))|(% style="width:346px" %)(((
280 280  (((
281 281  AT+PARITY=0
282 282  )))
... ... @@ -285,9 +285,9 @@
285 285  Option: 0: no parity, 1: odd parity, 2: even parity
286 286  )))
287 287  )))
288 -|(% style="width:110px" %)(((
262 +|(% style="width:128px" %)(((
289 289  AT+STOPBIT
290 -)))|(% style="width:190px" %)(((
264 +)))|(% style="width:305px" %)(((
291 291  (((
292 292  Set serial stopbit (for RS485 connection)
293 293  )))
... ... @@ -295,7 +295,7 @@
295 295  (((
296 296  
297 297  )))
298 -)))|(% style="width:190px" %)(((
272 +)))|(% style="width:346px" %)(((
299 299  (((
300 300  AT+STOPBIT=0 for 1bit
301 301  )))
... ... @@ -317,15 +317,15 @@
317 317  )))
318 318  )))
319 319  
320 -(% border="1" 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  
330 330  === 3.3.3 Configure read commands for each sampling ===
331 331  
... ... @@ -372,8 +372,8 @@
372 372  
373 373  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
374 374  
375 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
376 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
377 377  **AT+DATACUTx=a,b,c**
378 378  
379 379  * **a: length for the return of AT+COMMAND**
... ... @@ -442,7 +442,6 @@
442 442  
443 443  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
444 444  
445 -
446 446  1. PAYVER: Defined by AT+PAYVER
447 447  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
448 448  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -522,43 +522,50 @@
522 522  
523 523  There are two kinds of Commands:
524 524  
525 -* (% 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]]
526 526  
527 527  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
528 528  
502 +
503 +
529 529  === 3.5.1 Common Commands ===
530 530  
531 531  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]]
532 532  
533 533  
534 -=== 3.5.2 Sensor related commands ===
509 +=== 3.5.2 Sensor related commands: ===
535 535  
536 -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) ====
537 537  
538 -[[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.
539 539  
540 -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
541 541  
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
542 542  
543 -=== 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.
544 544  
545 545  
522 +* Downlink Payload
546 546  
547 -==== **RS485 Debug Command** ====
524 +**0A aa**     à same as AT+MOD=aa
548 548  
549 -This command is used to configure the RS485 devices; they won’t be used during sampling.
550 550  
551 -* **AT Command**
552 552  
553 -(% class="box infomessage" %)
554 -(((
555 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
556 -)))
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
557 557  
558 -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.
559 559  
560 -* **Downlink Payload**
532 +* AT Command
561 561  
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 +
562 562  Format: A8 MM NN XX XX XX XX YY
563 563  
564 564  Where:
... ... @@ -566,12 +566,9 @@
566 566  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
567 567  * NN: The length of RS485 command
568 568  * XX XX XX XX: RS485 command total NN bytes
569 -* YY: How many bytes will be uplink from the return of this RS485 command,
570 -** if YY=0, RS485-LN will execute the downlink command without uplink;
571 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
572 -** 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
573 573  
574 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
551 +**Example 1:**
575 575  
576 576  To connect a Modbus Alarm with below commands.
577 577  
... ... @@ -581,190 +581,184 @@
581 581  
582 582  So if user want to use downlink command to control to RS485 Alarm, he can use:
583 583  
584 -(% 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
585 585  
586 -(% 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
587 587  
588 588  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.
589 589  
590 590  
591 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
568 +**Example 2:**
592 592  
593 -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:
594 594  
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
595 595  
596 -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:
597 597  
598 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
599 599  
600 - [[image:1654159460680-153.png]]
601 601  
577 +==== Set Payload version ====
602 602  
603 -
604 -==== **Set Payload version** ====
605 -
606 606  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.
607 607  
608 -* **AT Command:**
581 +* AT Command:
609 609  
610 -(% class="box infomessage" %)
611 -(((
612 -**AT+PAYVER: Set PAYVER field = 1**
613 -)))
583 +AT+PAYVER: Set PAYVER field = 1
614 614  
615 -* **Downlink Payload:**
616 616  
617 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
586 +* Downlink Payload:
618 618  
619 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
588 +0xAE 01   à Set PAYVER field =  0x01
620 620  
590 +0xAE 0F   à Set PAYVER field =  0x0F
621 621  
622 622  
623 -==== **Set RS485 Sampling Commands** ====
593 +==== Set RS485 Sampling Commands ====
624 624  
625 -AT+COMMANDx or AT+DATACUTx
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
626 626  
627 -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]].
628 628  
629 629  
630 -* **AT Command:**
600 +* AT Command:
631 631  
632 -(% class="box infomessage" %)
633 -(((
634 -**AT+COMMANDx: Configure RS485 read command to sensor.**
635 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
636 636  
637 -(% class="box infomessage" %)
638 -(((
639 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
640 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
641 641  
606 +AT+SEARCHx: Configure search command
642 642  
643 -* **Downlink Payload:**
644 644  
645 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
609 +* Downlink Payload:
646 646  
647 -(% 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.
648 648  
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
614 +
649 649  Format: AF MM NN LL XX XX XX XX YY
650 650  
651 651  Where:
652 652  
653 653  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
654 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
655 -* 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
656 656  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
657 -* 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.
658 658  
659 -**Example:**
625 +Example:
660 660  
661 -(% 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
662 662  
663 -(% 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**
664 664  
665 -(% 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**
666 666  
667 667  
634 +0xAB downlink command can be used for set AT+SEARCHx
668 668  
669 -==== **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
670 670  
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 +
671 671  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]].
672 672  
673 673  This command is valid since v1.3 firmware version
674 674  
675 -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.
676 676  
651 +AT+MBFUN has only two value:
677 677  
678 -**Example:**
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
679 679  
680 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
681 -* 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.
682 -* 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.
683 683  
684 -[[image:image-20220602165351-6.png]]
657 +* AT+MBFUN=0: Disable Modbus fast reading.
685 685  
686 -[[image:image-20220602165351-7.png]]
659 +Example:
687 687  
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.
688 688  
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
689 689  
690 -==== **RS485 command timeout** ====
691 691  
692 -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]]
693 693  
694 -Default value: 0, range:  0 ~~ 65 seconds
695 695  
696 -* **AT Command:**
671 +* Downlink Commands:
697 697  
698 -(% class="box infomessage" %)
699 -(((
700 -**AT+CMDDLaa=hex(bb cc)*1000**
701 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
702 702  
703 -**Example:**
704 704  
705 -**AT+CMDDL1=1000** to send the open time to 1000ms
676 +==== RS485 command timeout ====
706 706  
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.
707 707  
708 -* **Downlink Payload:**
680 +Default value: 0, range:  0 ~~ 5 seconds
709 709  
710 -**0x AA aa bb cc**
711 711  
712 -Same as: AT+CMDDLaa=hex(bb cc)*1000
683 +* AT Command:
713 713  
714 - **Example:**
685 +AT+CMDDLaa=hex(bb cc)
715 715  
716 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
687 +Example:
717 717  
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
718 718  
719 719  
720 -==== **Uplink payload mode** ====
692 +* Downlink Payload:
721 721  
722 -Define to use one uplink or multiple uplinks for the sampling.
694 +0x AA aa bb cc
723 723  
724 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
696 +Same as: AT+CMDDLaa=hex(bb cc)
725 725  
726 -* **AT Command:**
698 + Example:
727 727  
728 -(% class="box infomessage" %)
729 -(((
730 -**AT+DATAUP=0**
731 -)))
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
732 732  
733 -(% class="box infomessage" %)
734 -(((
735 -**AT+DATAUP=1**
736 -)))
737 737  
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
738 738  
739 -* **Downlink Payload:**
705 +Define to use one uplink or multiple uplinks for the sampling.
740 740  
741 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
742 742  
743 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
709 +* AT Command:
744 744  
711 +AT+DATAUP=0
745 745  
713 +AT+DATAUP=1
746 746  
747 -==== **Manually trigger an Uplink** ====
748 748  
749 -Ask device to send an uplink immediately.
716 +* Downlink Payload:
750 750  
751 -* **AT Command:**
718 +0xAD 00   à Same as AT+DATAUP=0
752 752  
753 -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
754 754  
755 755  
756 -* **Downlink Payload:**
723 +==== Manually trigger an Uplink ====
757 757  
758 -**0x08 FF**, RS485-LN will immediately send an uplink.
725 +Ask device to send an uplink immediately.
759 759  
727 +* Downlink Payload:
760 760  
729 +0x08 FF, RS485-BL will immediately send an uplink.
761 761  
762 -==== **Clear RS485 Command** ====
763 763  
732 +==== Clear RS485 Command ====
733 +
764 764  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
765 765  
766 -* **AT Command:**
767 767  
737 +* AT Command:
738 +
768 768  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
769 769  
770 770  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -772,50 +772,43 @@
772 772  Example screen shot after clear all RS485 commands. 
773 773  
774 774  
746 +
775 775  The uplink screen shot is:
776 776  
777 -[[image:1654160691922-496.png]]
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
778 778  
779 779  
780 -* **Downlink Payload:**
752 +* Downlink Payload:
781 781  
782 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
783 783  
784 784  
757 +==== Set Serial Communication Parameters ====
785 785  
786 -==== **Set Serial Communication Parameters** ====
787 -
788 788  Set the Rs485 serial communication parameters:
789 789  
790 -* **AT Command:**
761 +* AT Command:
791 791  
792 792  Set Baud Rate:
793 793  
794 -(% class="box infomessage" %)
795 -(((
796 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
797 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
798 798  
799 -Set UART Parity
800 800  
801 -(% class="box infomessage" %)
802 -(((
803 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
804 -)))
768 +Set UART parity
805 805  
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +
772 +
806 806  Set STOPBIT
807 807  
808 -(% class="box infomessage" %)
809 -(((
810 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
811 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
812 812  
813 813  
814 -* **Downlink Payload:**
778 +* Downlink Payload:
815 815  
816 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
817 817  
818 -**Example:**
782 +Example:
819 819  
820 820  * A7 01 00 60   same as AT+BAUDR=9600
821 821  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -825,317 +825,287 @@
825 825  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
826 826  
827 827  
828 -== 3.6 Listening mode for RS485 network ==
792 +==== Control output power duration ====
829 829  
830 -This feature support since firmware v1.4
794 +User can set the output power duration before each sampling.
831 831  
832 -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:
833 833  
834 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
798 +Example:
835 835  
836 -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.
837 837  
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
838 838  
839 -(% border="1" style="background-color:#ffffcc; width:500px" %)
840 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
841 -|(% 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.
842 -|(% 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
843 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
844 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
845 845  
846 -**Downlink Command:**
805 +* LoRaWAN Downlink Command:
847 847  
848 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
849 849  
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
850 850  
851 -**Example**:
852 852  
853 -The RS485-LN is set to AT+RXMODE=2,1000
854 854  
855 -There is a two Modbus commands in the RS485 network as below:
856 856  
857 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
814 +1.
815 +11. Buttons
858 858  
859 -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
860 860  
861 -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
862 862  
863 -[[image:image-20220602171200-9.png]]
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
864 864  
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. 
865 865  
866 -(% 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.
867 867  
828 +The +3V3 output time can be controlled by AT Command.
868 868  
869 -== 3.7 Buttons ==
830 +**AT+3V3T=1000**
870 870  
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
871 871  
872 -(% border="1" style="background-color:#f7faff; width:500px" %)
873 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
874 -|**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**
875 -|**RST**|(% style="width:1420px" %)Reboot RS485
876 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
877 877  
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
878 878  
879 -== 3.8 LEDs ==
880 880  
881 -(% border="1" style="background-color:#f7faff; width:500px" %)
882 -|=**LEDs**|=**Feature**
883 -|**PWR**|Always on if there is power
884 -|**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.
838 +1.
839 +11. +5V Output
885 885  
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
886 886  
887 -= 4. Case Study =
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. 
888 888  
889 -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]]
890 890  
846 +The 5V output time can be controlled by AT Command.
891 891  
892 -= 5. Use AT Command =
848 +**AT+5VT=1000**
893 893  
894 -== 5.1 Access 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.
895 895  
896 -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.
897 897  
898 -[[image:1654162355560-817.png]]
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.
899 899  
900 900  
901 -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:
902 902  
903 -[[image:1654162368066-342.png]]
904 904  
858 +1.
859 +11. LEDs
905 905  
906 -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/]]
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
907 907  
864 +1.
865 +11. Switch Jumper
908 908  
909 -== 5.2 Common AT Command Sequence ==
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
910 910  
911 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
912 -
913 -If device has not joined network yet:
914 -
915 -(% class="box infomessage" %)
916 -(((
917 -**AT+FDR**
871 +Flash position: Configure device, check running status.
918 918  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
919 919  
920 -(% class="box infomessage" %)
921 -(((
922 -**AT+NJM=0**
876 +3.3v position: set to compatible with 3.3v I/O.,
923 923  )))
924 924  
925 -(% class="box infomessage" %)
926 -(((
927 -**ATZ**
928 -)))
879 ++3.3V: is always ON
929 929  
881 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
930 930  
931 -If device already joined network:
883 +1. Case Study
932 932  
933 -(% class="box infomessage" %)
934 -(((
935 -**AT+NJM=0**
936 -)))
885 +User can check this URL for some case studies.
937 937  
938 -(% class="box infomessage" %)
939 -(((
940 -**ATZ**
941 -)))
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]]
942 942  
943 943  
944 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
945 945  
946 946  
947 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
892 +1. Use AT Command
893 +11. Access AT Command
948 948  
949 -(% 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.
950 950  
951 -(% 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]]
952 952  
953 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
954 954  
955 -(% 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:
956 956  
957 -(% 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]]
958 958  
959 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
960 960  
961 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
962 962  
963 -(% 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]]
964 964  
965 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
966 966  
967 967  
968 -(% style="color:red" %)**Note:**
910 +1.
911 +11. Common AT Command Sequence
912 +111. Multi-channel ABP mode (Use with SX1301/LG308)
969 969  
970 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
971 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
972 -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.
973 -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:
974 974  
975 -[[image:1654162478620-421.png]]
916 +AT+FDR
976 976  
918 +AT+NJM=0
977 977  
978 -= 6. FAQ =
920 +ATZ
979 979  
980 -== 6.1 How to upgrade the image? ==
981 981  
982 -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:
983 983  
984 -* Support new features
985 -* For bug fix
986 -* Change LoRaWAN bands.
925 +AT+NJM=0
987 987  
988 -Below shows the hardware connection for how to upload an image to RS485-LN:
927 +ATZ
989 989  
990 -[[image:1654162535040-878.png]]
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
991 991  
992 -**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
993 993  
994 -**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
995 995  
996 -**Step3: **Open flashloader; choose the correct COM port to update.
937 +AT+ADR=0 Set the Adaptive Data Rate Off
997 997  
998 -(((
999 -(% 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.
1000 -)))
939 +AT+DR=5  Set Data Rate
1001 1001  
941 +AT+TDC=60000  Set transmit interval to 60 seconds
1002 1002  
1003 -[[image:image-20220602175818-12.png]]
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1004 1004  
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1005 1005  
1006 -[[image:image-20220602175848-13.png]]
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1007 1007  
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.
1008 1008  
1009 -[[image:image-20220602175912-14.png]]
951 +ATZ          Reset MCU
1010 1010  
953 +**Note:**
1011 1011  
1012 -**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
1013 1013  
1014 -[[image:image-20220602175638-10.png]]
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1015 1015  
1016 1016  
1017 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
963 +1. FAQ
964 +11. How to upgrade the image?
1018 1018  
1019 -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:
1020 1020  
968 +* Support new features
969 +* For bug fix
970 +* Change LoRaWAN bands.
1021 1021  
1022 -== 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:
1023 1023  
1024 -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]]
1025 1025  
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]].
1026 1026  
1027 -== 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/]].
1028 1028  
1029 -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.
1030 1030  
1031 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1032 1032  
983 +|(((
984 +HOLD PRO then press the RST button, SYS will be ON, then click next
985 +)))
1033 1033  
1034 -= 7. Trouble Shooting =
987 +|(((
988 +Board detected
989 +)))
1035 1035  
1036 -== 7.1 Downlink doesn’t work, how to solve it? ==
991 +|(((
992 +
993 +)))
1037 1037  
1038 -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]]
1039 1039  
1040 1040  
1041 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1042 1042  
1043 -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]]
1044 1044  
1045 1045  
1046 -= 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]]
1047 1047  
1048 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1049 1049  
1050 -(% style="color:blue" %)**XXX:**
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1051 1051  
1052 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1053 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1054 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1055 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1056 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1057 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1058 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1059 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1060 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1061 -* (% 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.
1062 1062  
1063 1063  
1064 1064  
1065 -= 9.Packing Info =
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1066 1066  
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]].
1067 1067  
1068 -**Package Includes**:
1069 1069  
1070 -* RS485-LN x 1
1071 -* Stick Antenna for LoRa RF part x 1
1072 -* Program cable x 1
1073 1073  
1074 -**Dimension and weight**:
1075 1075  
1076 -* Device Size: 13.5 x 7 x 3 cm
1077 -* Device Weight: 105g
1078 -* Package Size / pcs : 14.5 x 8 x 5 cm
1079 -* Weight / pcs : 170g
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1080 1080  
1023 +Please see this link for debug:
1081 1081  
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]] 
1082 1082  
1083 -= 10. FCC Caution for RS485LN-US915 =
1084 1084  
1085 -(((
1086 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1087 -)))
1088 1088  
1089 -(((
1090 -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.
1091 -)))
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1092 1092  
1093 -(((
1094 -
1095 -)))
1032 +It might about the channels mapping. Please see for detail.
1096 1096  
1097 -(((
1098 -**IMPORTANT NOTE:**
1099 -)))
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]]
1100 1100  
1101 -(((
1102 -**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:
1103 -)))
1104 1104  
1105 -(((
1106 -—Reorient or relocate the receiving antenna.
1107 -)))
1108 1108  
1109 -(((
1110 -—Increase the separation between the equipment and receiver.
1111 -)))
1038 +1. Order Info
1112 1112  
1113 -(((
1114 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1115 -)))
1040 +**Part Number: RS485-BL-XXX**
1116 1116  
1117 -(((
1118 -—Consult the dealer or an experienced radio/TV technician for help.
1119 -)))
1042 +**XXX:**
1120 1120  
1121 -(((
1122 -
1123 -)))
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
1124 1124  
1125 -(((
1126 -**FCC Radiation Exposure Statement:**
1127 -)))
1055 +1. Packing Info
1128 1128  
1129 -(((
1130 -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.
1131 -)))
1057 +**Package Includes**:
1132 1132  
1059 +* RS485-BL x 1
1060 +* Stick Antenna for LoRa RF part x 1
1061 +* Program cable x 1
1133 1133  
1134 -= 11. Support =
1063 +**Dimension and weight**:
1135 1135  
1136 -* (((
1137 -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.
1138 -)))
1139 -* (((
1140 -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]].
1141 -)))
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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