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Content
... ... @@ -6,12 +6,18 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 +
10 +
9 9  **Table of Contents:**
10 10  
13 +{{toc/}}
11 11  
12 12  
13 13  
14 14  
18 +
19 +
20 +
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -18,23 +18,33 @@
18 18  
19 19  (((
20 20  (((
27 +(((
21 21  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.
22 22  )))
30 +)))
23 23  
24 24  (((
33 +(((
25 25  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.
26 26  )))
36 +)))
27 27  
28 28  (((
39 +(((
29 29  (% 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.
30 30  )))
42 +)))
31 31  
32 32  (((
45 +(((
33 33  (% 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 +)))
34 34  
49 +(((
35 35  (% 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]]
36 36  )))
37 37  )))
53 +)))
38 38  
39 39  [[image:1653267211009-519.png||height="419" width="724"]]
40 40  
... ... @@ -74,8 +74,9 @@
74 74  * Preamble detection.
75 75  * 127 dB Dynamic Range RSSI.
76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 -* Packet engine up to 256 bytes with CRC.
93 +* Packet engine up to 256 bytes with CRC
78 78  
95 +
79 79  == 1.3 Features ==
80 80  
81 81  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -87,6 +87,7 @@
87 87  * Support Modbus protocol
88 88  * Support Interrupt uplink (Since hardware version v1.2)
89 89  
107 +
90 90  == 1.4 Applications ==
91 91  
92 92  * Smart Buildings & Home Automation
... ... @@ -96,6 +96,7 @@
96 96  * Smart Cities
97 97  * Smart Factory
98 98  
117 +
99 99  == 1.5 Firmware Change log ==
100 100  
101 101  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -105,9 +105,13 @@
105 105  
106 106  (((
107 107  (((
127 +(((
108 108  v1.2: Add External Interrupt Pin.
129 +)))
109 109  
131 +(((
110 110  v1.0: Release
133 +)))
111 111  
112 112  
113 113  )))
... ... @@ -135,7 +135,9 @@
135 135  == 3.1 How it works? ==
136 136  
137 137  (((
161 +(((
138 138  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
163 +)))
139 139  
140 140  
141 141  )))
... ... @@ -159,7 +159,7 @@
159 159  [[image:1653268227651-549.png||height="592" width="720"]]
160 160  
161 161  (((
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 +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:
163 163  )))
164 164  
165 165  (((
... ... @@ -211,11 +211,15 @@
211 211  
212 212  (((
213 213  (((
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 +(((
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.
215 215  )))
242 +)))
216 216  
217 217  (((
245 +(((
218 218  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
247 +)))
219 219  
220 220  
221 221  )))
... ... @@ -225,19 +225,19 @@
225 225  
226 226  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:
227 227  
228 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 -|(% style="width:128px" %)(((
257 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
258 +|=(% style="width: 110px;" %)(((
230 230  **AT Commands**
231 -)))|(% style="width:305px" %)(((
260 +)))|=(% style="width: 190px;" %)(((
232 232  **Description**
233 -)))|(% style="width:346px" %)(((
262 +)))|=(% style="width: 190px;" %)(((
234 234  **Example**
235 235  )))
236 -|(% style="width:128px" %)(((
265 +|(% style="width:110px" %)(((
237 237  AT+BAUDR
238 -)))|(% style="width:305px" %)(((
267 +)))|(% style="width:190px" %)(((
239 239  Set the baud rate (for RS485 connection). Default Value is: 9600.
240 -)))|(% style="width:346px" %)(((
269 +)))|(% style="width:190px" %)(((
241 241  (((
242 242  AT+BAUDR=9600
243 243  )))
... ... @@ -246,11 +246,11 @@
246 246  Options: (1200,2400,4800,14400,19200,115200)
247 247  )))
248 248  )))
249 -|(% style="width:128px" %)(((
278 +|(% style="width:110px" %)(((
250 250  AT+PARITY
251 -)))|(% style="width:305px" %)(((
280 +)))|(% style="width:190px" %)(((
252 252  Set UART parity (for RS485 connection)
253 -)))|(% style="width:346px" %)(((
282 +)))|(% style="width:190px" %)(((
254 254  (((
255 255  AT+PARITY=0
256 256  )))
... ... @@ -259,9 +259,9 @@
259 259  Option: 0: no parity, 1: odd parity, 2: even parity
260 260  )))
261 261  )))
262 -|(% style="width:128px" %)(((
291 +|(% style="width:110px" %)(((
263 263  AT+STOPBIT
264 -)))|(% style="width:305px" %)(((
293 +)))|(% style="width:190px" %)(((
265 265  (((
266 266  Set serial stopbit (for RS485 connection)
267 267  )))
... ... @@ -269,7 +269,7 @@
269 269  (((
270 270  
271 271  )))
272 -)))|(% style="width:346px" %)(((
301 +)))|(% style="width:190px" %)(((
273 273  (((
274 274  AT+STOPBIT=0 for 1bit
275 275  )))
... ... @@ -283,6 +283,8 @@
283 283  )))
284 284  )))
285 285  
315 +
316 +
286 286  === 3.3.2 Configure sensors ===
287 287  
288 288  (((
... ... @@ -291,16 +291,18 @@
291 291  )))
292 292  )))
293 293  
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" %)(((
325 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
326 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
327 +|AT+CFGDEV|(% style="width:110px" %)(((
297 297  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
298 298  
299 299  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
300 300  
301 301  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
333 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303 303  
335 +
336 +
304 304  === 3.3.3 Configure read commands for each sampling ===
305 305  
306 306  (((
... ... @@ -346,8 +346,8 @@
346 346  
347 347  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
348 348  
349 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 -|(% style="width:722px" %)(((
382 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
383 +|(% style="width:510px" %)(((
351 351  **AT+DATACUTx=a,b,c**
352 352  
353 353  * **a: length for the return of AT+COMMAND**
... ... @@ -416,6 +416,7 @@
416 416  
417 417  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418 418  
452 +
419 419  1. PAYVER: Defined by AT+PAYVER
420 420  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421 421  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -472,33 +472,35 @@
472 472  
473 473  == 3.4 Uplink Payload ==
474 474  
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)
479 479  
480 -&
510 +[[image:image-20220606110929-1.png]]
481 481  
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 -
489 489  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
490 490  
491 491  
492 492  == 3.5 Configure RS485-BL via AT or Downlink ==
493 493  
517 +(((
494 494  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
519 +)))
495 495  
521 +(((
496 496  There are two kinds of Commands:
523 +)))
497 497  
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]]
525 +* (((
526 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
527 +)))
499 499  
500 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
529 +* (((
530 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
531 +)))
501 501  
533 +(((
534 +
535 +)))
536 +
537 +
502 502  === 3.5.1 Common Commands ===
503 503  
504 504  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]]
... ... @@ -515,328 +515,925 @@
515 515  
516 516  === 3.5.3 Sensor related commands ===
517 517  
518 -==== ====
519 519  
555 +
556 +
520 520  ==== **RS485 Debug Command** ====
521 521  
559 +(((
522 522  This command is used to configure the RS485 devices; they won’t be used during sampling.
561 +)))
523 523  
524 -* **AT Command**
563 +* (((
564 +**AT Command**
565 +)))
525 525  
526 526  (% class="box infomessage" %)
527 527  (((
569 +(((
528 528  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
529 529  )))
572 +)))
530 530  
574 +(((
531 531  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
576 +)))
532 532  
533 -* **Downlink Payload**
578 +* (((
579 +**Downlink Payload**
580 +)))
534 534  
582 +(((
535 535  Format: A8 MM NN XX XX XX XX YY
584 +)))
536 536  
586 +(((
537 537  Where:
588 +)))
538 538  
539 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
540 -* NN: The length of RS485 command
541 -* XX XX XX XX: RS485 command total NN bytes
542 -* YY: How many bytes will be uplink from the return of this RS485 command,
543 -** if YY=0, RS485-LN will execute the downlink command without uplink;
544 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
545 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
590 +* (((
591 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
592 +)))
593 +* (((
594 +NN: The length of RS485 command
595 +)))
596 +* (((
597 +XX XX XX XX: RS485 command total NN bytes
598 +)))
599 +* (((
600 +(((
601 +YY: How many bytes will be uplink from the return of this RS485 command,
602 +)))
546 546  
604 +* (((
605 +if YY=0, RS485-LN will execute the downlink command without uplink;
606 +)))
607 +* (((
608 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
609 +)))
610 +* (((
611 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
612 +)))
613 +)))
614 +
615 +(((
547 547  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
617 +)))
548 548  
619 +(((
549 549  To connect a Modbus Alarm with below commands.
621 +)))
550 550  
551 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
623 +* (((
624 +The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
625 +)))
552 552  
553 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
627 +* (((
628 +The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
629 +)))
554 554  
631 +(((
555 555  So if user want to use downlink command to control to RS485 Alarm, he can use:
633 +)))
556 556  
635 +(((
557 557  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
637 +)))
558 558  
639 +(((
559 559  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
641 +)))
560 560  
643 +(((
561 561  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
645 +)))
562 562  
647 +(((
648 +
649 +)))
563 563  
651 +(((
564 564  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
653 +)))
565 565  
655 +(((
566 566  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
657 +)))
567 567  
659 +(((
660 +
661 +)))
568 568  
663 +(((
569 569  RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
665 +)))
570 570  
667 +(((
571 571   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
669 +)))
572 572  
671 +(((
573 573   [[image:1654159460680-153.png]]
673 +)))
574 574  
575 575  
576 576  
677 +
577 577  ==== **Set Payload version** ====
578 578  
680 +(((
579 579  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
682 +)))
580 580  
581 -* **AT Command:**
684 +* (((
685 +**AT Command:**
686 +)))
582 582  
583 583  (% class="box infomessage" %)
584 584  (((
690 +(((
585 585  **AT+PAYVER: Set PAYVER field = 1**
586 586  )))
693 +)))
587 587  
695 +* (((
696 +**Downlink Payload:**
697 +)))
588 588  
589 -* **Downlink Payload:**
590 -
699 +(((
591 591  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
701 +)))
592 592  
703 +(((
593 593  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
705 +)))
594 594  
595 595  
596 596  
709 +
597 597  ==== **Set RS485 Sampling Commands** ====
598 598  
599 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
712 +(((
713 +AT+COMMANDx or AT+DATACUTx
714 +)))
600 600  
601 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
716 +(((
717 +These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
718 +)))
602 602  
720 +(((
721 +
722 +)))
603 603  
604 -* **AT Command:**
724 +* (((
725 +**AT Command:**
726 +)))
605 605  
606 606  (% class="box infomessage" %)
607 607  (((
730 +(((
608 608  **AT+COMMANDx: Configure RS485 read command to sensor.**
609 609  )))
733 +)))
610 610  
611 611  (% class="box infomessage" %)
612 612  (((
737 +(((
613 613  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
614 614  )))
740 +)))
615 615  
616 -(% class="box infomessage" %)
617 617  (((
618 -**AT+SEARCHx: Configure search command**
743 +
619 619  )))
620 620  
746 +* (((
747 +**Downlink Payload:**
748 +)))
621 621  
622 -* **Downlink Payload:**
623 -
750 +(((
624 624  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
752 +)))
625 625  
754 +(((
626 626  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
756 +)))
627 627  
758 +(((
628 628  Format: AF MM NN LL XX XX XX XX YY
760 +)))
629 629  
762 +(((
630 630  Where:
764 +)))
631 631  
632 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
633 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
634 -* LL:  The length of AT+COMMAND or AT+DATACUT command
635 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
636 -* 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.
766 +* (((
767 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
768 +)))
769 +* (((
770 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
771 +)))
772 +* (((
773 +LL:  The length of AT+COMMAND or AT+DATACUT command
774 +)))
775 +* (((
776 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
777 +)))
778 +* (((
779 +YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
780 +)))
637 637  
782 +(((
638 638  **Example:**
784 +)))
639 639  
786 +(((
640 640  (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
788 +)))
641 641  
790 +(((
642 642  (% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
792 +)))
643 643  
794 +(((
644 644  (% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
796 +)))
645 645  
646 646  
647 -**0xAB** downlink command can be used for set AT+SEARCHx
648 648  
649 -**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
650 650  
651 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
652 -* 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
653 -
654 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
655 -
656 -
657 -
658 658  ==== **Fast command to handle MODBUS device** ====
659 659  
803 +(((
660 660  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
805 +)))
661 661  
807 +(((
662 662  This command is valid since v1.3 firmware version
809 +)))
663 663  
811 +(((
812 +AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
813 +)))
664 664  
665 -**AT+MBFUN has only two value:**
815 +(((
816 +
817 +)))
666 666  
667 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
668 -
669 -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.
670 -
671 -* **AT+MBFUN=0**: Disable Modbus fast reading.
672 -
819 +(((
673 673  **Example:**
821 +)))
674 674  
675 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
676 -* 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.
677 -* 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.
823 +* (((
824 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
825 +)))
826 +* (((
827 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
828 +)))
829 +* (((
830 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
831 +)))
678 678  
679 -[[image:1654133913295-597.png]]
833 +[[image:image-20220602165351-6.png]]
680 680  
835 +[[image:image-20220602165351-7.png]]
681 681  
682 -[[image:1654133954153-643.png]]
683 683  
684 684  
685 -* **Downlink Commands:**
686 686  
687 -**A9 aa** ~-~-> Same as AT+MBFUN=aa
688 -
689 -
690 -
691 691  ==== **RS485 command timeout** ====
692 692  
693 -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.
842 +(((
843 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
844 +)))
694 694  
695 -Default value: 0, range:  0 ~~ 5 seconds
846 +(((
847 +Default value: 0, range:  0 ~~ 65 seconds
848 +)))
696 696  
850 +* (((
851 +**AT Command:**
852 +)))
697 697  
698 -* **AT Command:**
699 -
700 700  (% class="box infomessage" %)
701 701  (((
702 -**AT+CMDDLaa=hex(bb cc)**
856 +(((
857 +**AT+CMDDLaa=hex(bb cc)*1000**
703 703  )))
859 +)))
704 704  
861 +(((
705 705  **Example:**
863 +)))
706 706  
865 +(((
707 707  **AT+CMDDL1=1000** to send the open time to 1000ms
867 +)))
708 708  
869 +(((
870 +
871 +)))
709 709  
710 -* **Downlink Payload:**
873 +* (((
874 +**Downlink Payload:**
875 +)))
711 711  
712 -0x AA aa bb cc
877 +(((
878 +**0x AA aa bb cc**
879 +)))
713 713  
714 -Same as: AT+CMDDLaa=hex(bb cc)
881 +(((
882 +Same as: AT+CMDDLaa=hex(bb cc)*1000
883 +)))
715 715  
885 +(((
716 716   **Example:**
887 +)))
717 717  
718 - **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
889 +(((
890 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
891 +)))
719 719  
720 720  
721 721  
895 +
722 722  ==== **Uplink payload mode** ====
723 723  
898 +(((
724 724  Define to use one uplink or multiple uplinks for the sampling.
900 +)))
725 725  
902 +(((
726 726  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
904 +)))
727 727  
728 -* **AT Command:**
906 +* (((
907 +**AT Command:**
908 +)))
729 729  
730 730  (% class="box infomessage" %)
731 731  (((
912 +(((
732 732  **AT+DATAUP=0**
733 733  )))
915 +)))
734 734  
735 735  (% class="box infomessage" %)
736 736  (((
919 +(((
737 737  **AT+DATAUP=1**
738 738  )))
922 +)))
739 739  
924 +(((
925 +
926 +)))
740 740  
741 -* **Downlink Payload:**
928 +* (((
929 +**Downlink Payload:**
930 +)))
742 742  
932 +(((
743 743  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
934 +)))
744 744  
936 +(((
745 745  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
938 +)))
746 746  
747 747  
748 748  
942 +
749 749  ==== **Manually trigger an Uplink** ====
750 750  
945 +(((
751 751  Ask device to send an uplink immediately.
947 +)))
752 752  
753 -* **Downlink Payload:**
949 +* (((
950 +**AT Command:**
951 +)))
754 754  
755 -**0x08 FF**, RS485-BL will immediately send an uplink.
953 +(((
954 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
955 +)))
756 756  
957 +(((
958 +
959 +)))
757 757  
961 +* (((
962 +**Downlink Payload:**
963 +)))
758 758  
965 +(((
966 +**0x08 FF**, RS485-LN will immediately send an uplink.
967 +)))
968 +
969 +
970 +
971 +
759 759  ==== **Clear RS485 Command** ====
760 760  
974 +(((
761 761  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
976 +)))
762 762  
978 +* (((
979 +**AT Command:**
980 +)))
763 763  
764 -* **AT Command:**
982 +(((
983 +**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
984 +)))
765 765  
766 -(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
986 +(((
987 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
988 +)))
767 767  
990 +(((
768 768  Example screen shot after clear all RS485 commands. 
992 +)))
769 769  
994 +(((
995 +
996 +)))
770 770  
998 +(((
771 771  The uplink screen shot is:
1000 +)))
772 772  
773 -[[image:1654134704555-320.png]]
1002 +[[image:1654160691922-496.png]]
774 774  
775 775  
776 -* **Downlink Payload:**
1005 +* (((
1006 +**Downlink Payload:**
1007 +)))
777 777  
1009 +(((
778 778  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1011 +)))
779 779  
780 780  
781 781  
1015 +
782 782  ==== **Set Serial Communication Parameters** ====
783 783  
1018 +(((
784 784  Set the Rs485 serial communication parameters:
1020 +)))
785 785  
786 -* **AT Command:**
1022 +* (((
1023 +**AT Command:**
1024 +)))
787 787  
1026 +(((
788 788  Set Baud Rate:
1028 +)))
789 789  
790 790  (% class="box infomessage" %)
791 791  (((
1032 +(((
792 792  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
793 793  )))
1035 +)))
794 794  
1037 +(((
795 795  Set UART Parity
1039 +)))
796 796  
797 797  (% class="box infomessage" %)
798 798  (((
1043 +(((
799 799  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
800 800  )))
1046 +)))
801 801  
1048 +(((
802 802  Set STOPBIT
1050 +)))
803 803  
804 804  (% class="box infomessage" %)
805 805  (((
1054 +(((
806 806  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
807 807  )))
1057 +)))
808 808  
1059 +(((
1060 +
1061 +)))
809 809  
810 -* **Downlink Payload:**
1063 +* (((
1064 +**Downlink Payload:**
1065 +)))
811 811  
1067 +(((
812 812  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1069 +)))
813 813  
1071 +(((
814 814  **Example:**
1073 +)))
815 815  
816 -* A7 01 00 60   same as AT+BAUDR=9600
817 -* A7 01 04 80  same as AT+BAUDR=115200
1075 +* (((
1076 +A7 01 00 60   same as AT+BAUDR=9600
1077 +)))
1078 +* (((
1079 +A7 01 04 80  same as AT+BAUDR=115200
1080 +)))
818 818  
1082 +(((
819 819  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1084 +)))
820 820  
1086 +(((
821 821  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1088 +)))
822 822  
823 823  
824 824  
825 -==== **Control output power duration** ====
826 826  
827 -User can set the output power duration before each sampling.
1093 +== 3.6 Listening mode for RS485 network ==
828 828  
829 -* **AT Command:**
1095 +(((
1096 +This feature support since firmware v1.4
1097 +)))
830 830  
831 -**Example:**
1099 +(((
1100 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1101 +)))
832 832  
833 -**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1103 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
834 834  
835 -**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1105 +(((
1106 +To enable the listening mode, use can run the command AT+RXMODE.
1107 +)))
836 836  
1109 +(((
1110 +
1111 +)))
837 837  
838 -* **LoRaWAN Downlink Command:**
1113 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1114 +|=(% style="width: 100px;" %)(((
1115 +**Command example**
1116 +)))|=(% style="width: 400px;" %)(((
1117 +**Function**
1118 +)))
1119 +|(% style="width:100px" %)(((
1120 +AT+RXMODE=1,10
1121 +)))|(% style="width:400px" %)(((
1122 +Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1123 +)))
1124 +|(% style="width:100px" %)(((
1125 +AT+RXMODE=2,500
1126 +)))|(% style="width:400px" %)(((
1127 +Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1128 +)))
1129 +|(% style="width:100px" %)(((
1130 +AT+RXMODE=0,0
1131 +)))|(% style="width:400px" %)(((
1132 +Disable listening mode. This is the default settings.
1133 +)))
1134 +|(% style="width:100px" %)(((
1135 +
1136 +)))|(% style="width:400px" %)(((
1137 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1138 +)))
839 839  
840 -**07 01 aa bb**  Same as AT+5VT=(aa bb)
1140 +(((
1141 +**Downlink Command:**
1142 +)))
841 841  
842 -**07 02 aa bb**  Same as AT+3V3T=(aa bb)
1144 +(((
1145 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1146 +)))
1147 +
1148 +(((
1149 +
1150 +)))
1151 +
1152 +(((
1153 +**Example**:
1154 +)))
1155 +
1156 +(((
1157 +The RS485-LN is set to AT+RXMODE=2,1000
1158 +)))
1159 +
1160 +(((
1161 +There is a two Modbus commands in the RS485 network as below:
1162 +)))
1163 +
1164 +(((
1165 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1166 +)))
1167 +
1168 +(((
1169 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1170 +)))
1171 +
1172 +(((
1173 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1174 +)))
1175 +
1176 +(((
1177 +[[image:image-20220602171200-9.png]]
1178 +)))
1179 +
1180 +(((
1181 +
1182 +)))
1183 +
1184 +(((
1185 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
1186 +)))
1187 +
1188 +
1189 +== 3.7 Buttons ==
1190 +
1191 +
1192 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1193 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1194 +|(% style="width:50px" %)**ACT**|(% style="width:350px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1195 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1196 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1197 +
1198 +== 3.8 LEDs ==
1199 +
1200 +
1201 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1202 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1203 +|**PWR**|Always on if there is power
1204 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1205 +
1206 += 4. Case Study =
1207 +
1208 +User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
1209 +
1210 +
1211 += 5. Use AT Command =
1212 +
1213 +== 5.1 Access AT Command ==
1214 +
1215 +(((
1216 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1217 +)))
1218 +
1219 +[[image:1654162355560-817.png]]
1220 +
1221 +
1222 +(((
1223 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1224 +)))
1225 +
1226 +[[image:1654162368066-342.png]]
1227 +
1228 +
1229 +(((
1230 +More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1231 +)))
1232 +
1233 +
1234 +
1235 +== 5.2 Common AT Command Sequence ==
1236 +
1237 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1238 +
1239 +If device has not joined network yet:
1240 +
1241 +(% class="box infomessage" %)
1242 +(((
1243 +**AT+FDR**
1244 +)))
1245 +
1246 +(% class="box infomessage" %)
1247 +(((
1248 +**AT+NJM=0**
1249 +)))
1250 +
1251 +(% class="box infomessage" %)
1252 +(((
1253 +**ATZ**
1254 +)))
1255 +
1256 +
1257 +If device already joined network:
1258 +
1259 +(% class="box infomessage" %)
1260 +(((
1261 +**AT+NJM=0**
1262 +)))
1263 +
1264 +(% class="box infomessage" %)
1265 +(((
1266 +**ATZ**
1267 +)))
1268 +
1269 +
1270 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1271 +
1272 +
1273 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1274 +
1275 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1276 +
1277 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1278 +
1279 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1280 +
1281 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1282 +
1283 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1284 +
1285 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1286 +
1287 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1288 +
1289 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1290 +
1291 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1292 +
1293 +
1294 +(% style="color:red" %)**Note:**
1295 +
1296 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1297 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1298 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1299 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1300 +
1301 +[[image:1654162478620-421.png]]
1302 +
1303 +
1304 += 6. FAQ =
1305 +
1306 +== 6.1 How to upgrade the image? ==
1307 +
1308 +(((
1309 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1310 +)))
1311 +
1312 +* (((
1313 +Support new features
1314 +)))
1315 +* (((
1316 +For bug fix
1317 +)))
1318 +* (((
1319 +Change LoRaWAN bands.
1320 +)))
1321 +
1322 +(((
1323 +Below shows the hardware connection for how to upload an image to RS485-LN:
1324 +)))
1325 +
1326 +[[image:1654162535040-878.png]]
1327 +
1328 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1329 +
1330 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1331 +
1332 +**Step3: **Open flashloader; choose the correct COM port to update.
1333 +
1334 +(((
1335 +(((
1336 +(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1337 +)))
1338 +)))
1339 +
1340 +
1341 +[[image:image-20220602175818-12.png]]
1342 +
1343 +
1344 +[[image:image-20220602175848-13.png]]
1345 +
1346 +
1347 +[[image:image-20220602175912-14.png]]
1348 +
1349 +
1350 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1351 +
1352 +[[image:image-20220602175638-10.png]]
1353 +
1354 +
1355 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1356 +
1357 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1358 +
1359 +
1360 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1361 +
1362 +The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1363 +
1364 +
1365 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1366 +
1367 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1368 +
1369 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1370 +
1371 +
1372 += 7. Trouble Shooting =
1373 +
1374 +== 7.1 Downlink doesn’t work, how to solve it? ==
1375 +
1376 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1377 +
1378 +
1379 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1380 +
1381 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1382 +
1383 +
1384 += 8. Order Info =
1385 +
1386 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1387 +
1388 +(% style="color:blue" %)**XXX:**
1389 +
1390 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1391 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1392 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1393 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1394 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1395 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1396 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1397 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1398 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1399 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1400 +
1401 += 9.Packing Info =
1402 +
1403 +
1404 +**Package Includes**:
1405 +
1406 +* RS485-LN x 1
1407 +* Stick Antenna for LoRa RF part x 1
1408 +* Program cable x 1
1409 +
1410 +**Dimension and weight**:
1411 +
1412 +* Device Size: 13.5 x 7 x 3 cm
1413 +* Device Weight: 105g
1414 +* Package Size / pcs : 14.5 x 8 x 5 cm
1415 +* Weight / pcs : 170g
1416 +
1417 += 10. FCC Caution for RS485LN-US915 =
1418 +
1419 +(((
1420 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1421 +)))
1422 +
1423 +(((
1424 +This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1425 +)))
1426 +
1427 +(((
1428 +
1429 +)))
1430 +
1431 +(((
1432 +**IMPORTANT NOTE:**
1433 +)))
1434 +
1435 +(((
1436 +**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1437 +)))
1438 +
1439 +(((
1440 +—Reorient or relocate the receiving antenna.
1441 +)))
1442 +
1443 +(((
1444 +—Increase the separation between the equipment and receiver.
1445 +)))
1446 +
1447 +(((
1448 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1449 +)))
1450 +
1451 +(((
1452 +—Consult the dealer or an experienced radio/TV technician for help.
1453 +)))
1454 +
1455 +(((
1456 +
1457 +)))
1458 +
1459 +(((
1460 +**FCC Radiation Exposure Statement:**
1461 +)))
1462 +
1463 +(((
1464 +This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1465 +)))
1466 +
1467 +
1468 += 11. Support =
1469 +
1470 +* (((
1471 +Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1472 +)))
1473 +* (((
1474 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
1475 +)))
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