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...	...	@@ -24,23 +24,33 @@
24	24
25	25	(((
26	26	(((
	27	+(((
27	27	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.
28	28	)))
	30	+)))
29	29
30	30	(((
	33	+(((
31	31	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.
32	32	)))
	36	+)))
33	33
34	34	(((
	39	+(((
35	35	(% 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.
36	36	)))
	42	+)))
37	37
38	38	(((
	45	+(((
39	39	(% 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	+)))
40	40
	49	+(((
41	41	(% 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]]
42	42	)))
43	43	)))
	53	+)))
44	44
45	45	[[image:1653267211009-519.png||height="419" width="724"]]
46	46
...	...	@@ -106,8 +106,6 @@
106	106	* Smart Cities
107	107	* Smart Factory
108	108
109		-
110		-
111	111	== 1.5 Firmware Change log ==
112	112
113	113	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
...	...	@@ -117,9 +117,13 @@
117	117
118	118	(((
119	119	(((
	128	+(((
120	120	v1.2: Add External Interrupt Pin.
	130	+)))
121	121
	132	+(((
122	122	v1.0: Release
	134	+)))
123	123
124	124
125	125	)))
...	...	@@ -147,7 +147,9 @@
147	147	== 3.1 How it works? ==
148	148
149	149	(((
	162	+(((
150	150	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	+)))
151	151
152	152
153	153	)))
...	...	@@ -223,11 +223,15 @@
223	223
224	224	(((
225	225	(((
226		-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.
	240	+(((
	241	+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.
227	227	)))
	243	+)))
228	228
229	229	(((
	246	+(((
230	230	(% 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
	248	+)))
231	231
232	232
233	233	)))
...	...	@@ -237,19 +237,19 @@
237	237
238	238	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:
239	239
240		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
241		-|(% style="width:128px" %)(((
	258	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	259	+|=(% style="width: 110px;" %)(((
242	242	**AT Commands**
243		-)))|(% style="width:305px" %)(((
	261	+)))|=(% style="width: 190px;" %)(((
244	244	**Description**
245		-)))|(% style="width:346px" %)(((
	263	+)))|=(% style="width: 190px;" %)(((
246	246	**Example**
247	247	)))
248		-|(% style="width:128px" %)(((
	266	+|(% style="width:110px" %)(((
249	249	AT+BAUDR
250		-)))|(% style="width:305px" %)(((
	268	+)))|(% style="width:190px" %)(((
251	251	Set the baud rate (for RS485 connection). Default Value is: 9600.
252		-)))|(% style="width:346px" %)(((
	270	+)))|(% style="width:190px" %)(((
253	253	(((
254	254	AT+BAUDR=9600
255	255	)))
...	...	@@ -258,11 +258,11 @@
258	258	Options: (1200,2400,4800,14400,19200,115200)
259	259	)))
260	260	)))
261		-|(% style="width:128px" %)(((
	279	+|(% style="width:110px" %)(((
262	262	AT+PARITY
263		-)))|(% style="width:305px" %)(((
	281	+)))|(% style="width:190px" %)(((
264	264	Set UART parity (for RS485 connection)
265		-)))|(% style="width:346px" %)(((
	283	+)))|(% style="width:190px" %)(((
266	266	(((
267	267	AT+PARITY=0
268	268	)))
...	...	@@ -271,9 +271,9 @@
271	271	Option: 0: no parity, 1: odd parity, 2: even parity
272	272	)))
273	273	)))
274		-|(% style="width:128px" %)(((
	292	+|(% style="width:110px" %)(((
275	275	AT+STOPBIT
276		-)))|(% style="width:305px" %)(((
	294	+)))|(% style="width:190px" %)(((
277	277	(((
278	278	Set serial stopbit (for RS485 connection)
279	279	)))
...	...	@@ -281,7 +281,7 @@
281	281	(((
282	282
283	283	)))
284		-)))|(% style="width:346px" %)(((
	302	+)))|(% style="width:190px" %)(((
285	285	(((
286	286	AT+STOPBIT=0 for 1bit
287	287	)))
...	...	@@ -303,15 +303,21 @@
303	303	)))
304	304	)))
305	305
306		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
307		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
308		-|AT+CFGDEV|(% style="width:418px" %)(((
	324	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	325	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	326	+|AT+CFGDEV|(% style="width:110px" %)(((
	327	+(((
309	309	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	329	+)))
310	310
	331	+(((
311	311	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	333	+)))
312	312
	335	+(((
313	313	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
314		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	337	+)))
	338	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
315	315
316	316	=== 3.3.3 Configure read commands for each sampling ===
317	317
...	...	@@ -358,8 +358,8 @@
358	358
359	359	**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
360	360
361		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
362		-|(% style="width:722px" %)(((
	385	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	386	+|(% style="width:510px" %)(((
363	363	**AT+DATACUTx=a,b,c**
364	364
365	365	* **a: length for the return of AT+COMMAND**
...	...	@@ -428,6 +428,7 @@
428	428
429	429	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
430	430
	455	+
431	431	1. PAYVER: Defined by AT+PAYVER
432	432	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
433	433	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
...	...	@@ -484,33 +484,35 @@
484	484
485	485	== 3.4 Uplink Payload ==
486	486
487		-(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
488		-|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
489		-|Value|(% style="width:120px" %)(((
490		-Battery(mV)
491	491
492		-&
	513	+[[image:image-20220606110929-1.png]]
493	493
494		-Interrupt _Flag
495		-)))|(% style="width:116px" %)(((
496		-PAYLOAD_VER
497		-
498		-
499		-)))|(% 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.
500		-
501	501	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
502	502
503	503
504	504	== 3.5 Configure RS485-BL via AT or Downlink ==
505	505
	520	+(((
506	506	User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	522	+)))
507	507
	524	+(((
508	508	There are two kinds of Commands:
	526	+)))
509	509
510		-* (% 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]]
	528	+* (((
	529	+(% 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]]
	530	+)))
511	511
512		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	532	+* (((
	533	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	534	+)))
513	513
	536	+(((
	537	+
	538	+)))
	539	+
	540	+
514	514	=== 3.5.1 Common Commands ===
515	515
516	516	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]]
...	...	@@ -527,146 +527,284 @@
527	527
528	528	=== 3.5.3 Sensor related commands ===
529	529
530		-(% class="wikigeneratedid" id="H" %)
531		-
532	532
533	533
	559	+
534	534	==== **RS485 Debug Command** ====
535	535
	562	+(((
536	536	This command is used to configure the RS485 devices; they won’t be used during sampling.
	564	+)))
537	537
538		-* **AT Command**
	566	+* (((
	567	+**AT Command**
	568	+)))
539	539
540	540	(% class="box infomessage" %)
541	541	(((
	572	+(((
542	542	**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
543	543	)))
	575	+)))
544	544
	577	+(((
545	545	m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	579	+)))
546	546
547		-* **Downlink Payload**
	581	+* (((
	582	+**Downlink Payload**
	583	+)))
548	548
	585	+(((
549	549	Format: A8 MM NN XX XX XX XX YY
	587	+)))
550	550
	589	+(((
551	551	Where:
	591	+)))
552	552
553		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
554		-* NN: The length of RS485 command
555		-* XX XX XX XX: RS485 command total NN bytes
556		-* YY: How many bytes will be uplink from the return of this RS485 command,
557		-** if YY=0, RS485-LN will execute the downlink command without uplink;
558		-** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
559		-** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	593	+* (((
	594	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	595	+)))
	596	+* (((
	597	+NN: The length of RS485 command
	598	+)))
	599	+* (((
	600	+XX XX XX XX: RS485 command total NN bytes
	601	+)))
	602	+* (((
	603	+(((
	604	+YY: How many bytes will be uplink from the return of this RS485 command,
	605	+)))
560	560
	607	+* (((
	608	+if YY=0, RS485-LN will execute the downlink command without uplink;
	609	+)))
	610	+* (((
	611	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	612	+)))
	613	+* (((
	614	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	615	+)))
	616	+)))
	617	+
	618	+(((
561	561	**Example 1** ~-~-> Configure without ask for uplink (YY=0)
	620	+)))
562	562
	622	+(((
563	563	To connect a Modbus Alarm with below commands.
	624	+)))
564	564
565		-* 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.
	626	+* (((
	627	+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.
	628	+)))
566	566
567		-* 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.
	630	+* (((
	631	+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.
	632	+)))
568	568
	634	+(((
569	569	So if user want to use downlink command to control to RS485 Alarm, he can use:
	636	+)))
570	570
	638	+(((
571	571	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	640	+)))
572	572
	642	+(((
573	573	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	644	+)))
574	574
	646	+(((
575	575	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.
	648	+)))
576	576
	650	+(((
	651	+
	652	+)))
577	577
	654	+(((
578	578	**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	656	+)))
579	579
	658	+(((
580	580	User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	660	+)))
581	581
	662	+(((
	663	+
	664	+)))
582	582
	666	+(((
583	583	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:
	668	+)))
584	584
	670	+(((
585	585	**A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	672	+)))
586	586
	674	+(((
587	587	[[image:1654159460680-153.png]]
	676	+)))
588	588
589	589
590	590
	680	+
591	591	==== **Set Payload version** ====
592	592
	683	+(((
593	593	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.
	685	+)))
594	594
595		-* **AT Command:**
	687	+* (((
	688	+**AT Command:**
	689	+)))
596	596
597	597	(% class="box infomessage" %)
598	598	(((
	693	+(((
599	599	**AT+PAYVER: Set PAYVER field = 1**
600	600	)))
	696	+)))
601	601
602		-* **Downlink Payload:**
	698	+* (((
	699	+**Downlink Payload:**
	700	+)))
603	603
	702	+(((
604	604	**0xAE 01**  ~-~-> Set PAYVER field =  0x01
	704	+)))
605	605
	706	+(((
606	606	**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
	708	+)))
607	607
608	608
609	609
	712	+
610	610	==== **Set RS485 Sampling Commands** ====
611	611
	715	+(((
612	612	AT+COMMANDx or AT+DATACUTx
	717	+)))
613	613
	719	+(((
614	614	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"]].
	721	+)))
615	615
	723	+(((
	724	+
	725	+)))
616	616
617		-* **AT Command:**
	727	+* (((
	728	+**AT Command:**
	729	+)))
618	618
619	619	(% class="box infomessage" %)
620	620	(((
	733	+(((
621	621	**AT+COMMANDx: Configure RS485 read command to sensor.**
622	622	)))
	736	+)))
623	623
624	624	(% class="box infomessage" %)
625	625	(((
	740	+(((
626	626	**AT+DATACUTx: Configure how to handle return from RS485 devices.**
627	627	)))
	743	+)))
628	628
	745	+(((
	746	+
	747	+)))
629	629
630		-* **Downlink Payload:**
	749	+* (((
	750	+**Downlink Payload:**
	751	+)))
631	631
	753	+(((
632	632	**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	755	+)))
633	633
	757	+(((
634	634	(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	759	+)))
635	635
	761	+(((
636	636	Format: AF MM NN LL XX XX XX XX YY
	763	+)))
637	637
	765	+(((
638	638	Where:
	767	+)))
639	639
640		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
641		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
642		-* LL:  The length of AT+COMMAND or AT+DATACUT command
643		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
644		-* 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.
	769	+* (((
	770	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	771	+)))
	772	+* (((
	773	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	774	+)))
	775	+* (((
	776	+LL:  The length of AT+COMMAND or AT+DATACUT command
	777	+)))
	778	+* (((
	779	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	780	+)))
	781	+* (((
	782	+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.
	783	+)))
645	645
	785	+(((
646	646	**Example:**
	787	+)))
647	647
	789	+(((
648	648	(% 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
	791	+)))
649	649
	793	+(((
650	650	(% 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**
	795	+)))
651	651
	797	+(((
652	652	(% 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**
	799	+)))
653	653
654	654
655	655
	803	+
656	656	==== **Fast command to handle MODBUS device** ====
657	657
	806	+(((
658	658	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]].
	808	+)))
659	659
	810	+(((
660	660	This command is valid since v1.3 firmware version
	812	+)))
661	661
	814	+(((
662	662	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.
	816	+)))
663	663
	818	+(((
	819	+
	820	+)))
664	664
	822	+(((
665	665	**Example:**
	824	+)))
666	666
667		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
668		-* 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.
669		-* 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.
	826	+* (((
	827	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
	828	+)))
	829	+* (((
	830	+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.
	831	+)))
	832	+* (((
	833	+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.
	834	+)))
670	670
671	671	[[image:image-20220602165351-6.png]]
672	672
...	...	@@ -674,206 +674,375 @@
674	674
675	675
676	676
	842	+
677	677	==== **RS485 command timeout** ====
678	678
	845	+(((
679	679	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.
	847	+)))
680	680
	849	+(((
681	681	Default value: 0, range:  0 ~~ 65 seconds
	851	+)))
682	682
683		-* **AT Command:**
	853	+* (((
	854	+**AT Command:**
	855	+)))
684	684
685	685	(% class="box infomessage" %)
686	686	(((
	859	+(((
687	687	**AT+CMDDLaa=hex(bb cc)*1000**
688	688	)))
	862	+)))
689	689
	864	+(((
690	690	**Example:**
	866	+)))
691	691
	868	+(((
692	692	**AT+CMDDL1=1000** to send the open time to 1000ms
	870	+)))
693	693
	872	+(((
	873	+
	874	+)))
694	694
695		-* **Downlink Payload:**
	876	+* (((
	877	+**Downlink Payload:**
	878	+)))
696	696
	880	+(((
697	697	**0x AA aa bb cc**
	882	+)))
698	698
	884	+(((
699	699	Same as: AT+CMDDLaa=hex(bb cc)*1000
	886	+)))
700	700
	888	+(((
701	701	**Example:**
	890	+)))
702	702
	892	+(((
703	703	0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
	894	+)))
704	704
705	705
706	706
	898	+
707	707	==== **Uplink payload mode** ====
708	708
	901	+(((
709	709	Define to use one uplink or multiple uplinks for the sampling.
	903	+)))
710	710
	905	+(((
711	711	The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
	907	+)))
712	712
713		-* **AT Command:**
	909	+* (((
	910	+**AT Command:**
	911	+)))
714	714
715	715	(% class="box infomessage" %)
716	716	(((
	915	+(((
717	717	**AT+DATAUP=0**
718	718	)))
	918	+)))
719	719
720	720	(% class="box infomessage" %)
721	721	(((
	922	+(((
722	722	**AT+DATAUP=1**
723	723	)))
	925	+)))
724	724
	927	+(((
	928	+
	929	+)))
725	725
726		-* **Downlink Payload:**
	931	+* (((
	932	+**Downlink Payload:**
	933	+)))
727	727
	935	+(((
728	728	**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	937	+)))
729	729
	939	+(((
730	730	**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	941	+)))
731	731
732	732
733	733
	945	+
734	734	==== **Manually trigger an Uplink** ====
735	735
	948	+(((
736	736	Ask device to send an uplink immediately.
	950	+)))
737	737
738		-* **AT Command:**
	952	+* (((
	953	+**AT Command:**
	954	+)))
739	739
740		-No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
	956	+(((
	957	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	958	+)))
741	741
	960	+(((
	961	+
	962	+)))
742	742
743		-* **Downlink Payload:**
	964	+* (((
	965	+**Downlink Payload:**
	966	+)))
744	744
	968	+(((
745	745	**0x08 FF**, RS485-LN will immediately send an uplink.
	970	+)))
746	746
747	747
748		-==== ====
749	749
	974	+
750	750	==== **Clear RS485 Command** ====
751	751
	977	+(((
752	752	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	979	+)))
753	753
754		-* **AT Command:**
	981	+* (((
	982	+**AT Command:**
	983	+)))
755	755
	985	+(((
756	756	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	987	+)))
757	757
	989	+(((
758	758	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	991	+)))
759	759
	993	+(((
760	760	Example screen shot after clear all RS485 commands.
	995	+)))
761	761
	997	+(((
	998	+
	999	+)))
762	762
	1001	+(((
763	763	The uplink screen shot is:
	1003	+)))
764	764
765		-[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
	1005	+[[image:1654160691922-496.png]]
766	766
767	767
768		-* **Downlink Payload:**
	1008	+* (((
	1009	+**Downlink Payload:**
	1010	+)))
769	769
	1012	+(((
770	770	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1014	+)))
771	771
772	772
773	773
	1018	+
774	774	==== **Set Serial Communication Parameters** ====
775	775
	1021	+(((
776	776	Set the Rs485 serial communication parameters:
	1023	+)))
777	777
778		-* **AT Command:**
	1025	+* (((
	1026	+**AT Command:**
	1027	+)))
779	779
	1029	+(((
780	780	Set Baud Rate:
	1031	+)))
781	781
782	782	(% class="box infomessage" %)
783	783	(((
	1035	+(((
784	784	**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
785	785	)))
	1038	+)))
786	786
	1040	+(((
787	787	Set UART Parity
	1042	+)))
788	788
789	789	(% class="box infomessage" %)
790	790	(((
	1046	+(((
791	791	**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
792	792	)))
	1049	+)))
793	793
	1051	+(((
794	794	Set STOPBIT
	1053	+)))
795	795
796	796	(% class="box infomessage" %)
797	797	(((
	1057	+(((
798	798	**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
799	799	)))
	1060	+)))
800	800
	1062	+(((
	1063	+
	1064	+)))
801	801
802		-* **Downlink Payload:**
	1066	+* (((
	1067	+**Downlink Payload:**
	1068	+)))
803	803
	1070	+(((
804	804	**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
	1072	+)))
805	805
	1074	+(((
806	806	**Example:**
	1076	+)))
807	807
808		-* A7 01 00 60   same as AT+BAUDR=9600
809		-* A7 01 04 80  same as AT+BAUDR=115200
	1078	+* (((
	1079	+A7 01 00 60   same as AT+BAUDR=9600
	1080	+)))
	1081	+* (((
	1082	+A7 01 04 80  same as AT+BAUDR=115200
	1083	+)))
810	810
	1085	+(((
811	811	A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1087	+)))
812	812
	1089	+(((
813	813	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1091	+)))
814	814
815	815
	1094	+
	1095	+
816	816	== 3.6 Listening mode for RS485 network ==
817	817
	1098	+(((
818	818	This feature support since firmware v1.4
	1100	+)))
819	819
	1102	+(((
820	820	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.
	1104	+)))
821	821
822	822	[[image:image-20220602171200-8.png||height="567" width="1007"]]
823	823
	1108	+(((
824	824	To enable the listening mode, use can run the command AT+RXMODE.
	1110	+)))
825	825
	1112	+(((
	1113	+
	1114	+)))
826	826
827		-(% border="1" style="background-color:#ffffcc; width:500px" %)
828		-|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
829		-|(% 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.
830		-|(% 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
831		-|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
832		-|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
	1116	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1117	+|=(% style="width: 100px;" %)(((
	1118	+**Command example**
	1119	+)))|=(% style="width: 400px;" %)(((
	1120	+**Function**
	1121	+)))
	1122	+|(% style="width:100px" %)(((
	1123	+AT+RXMODE=1,10
	1124	+)))|(% style="width:400px" %)(((
	1125	+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.
	1126	+)))
	1127	+|(% style="width:100px" %)(((
	1128	+AT+RXMODE=2,500
	1129	+)))|(% style="width:400px" %)(((
	1130	+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
	1131	+)))
	1132	+|(% style="width:100px" %)(((
	1133	+AT+RXMODE=0,0
	1134	+)))|(% style="width:400px" %)(((
	1135	+Disable listening mode. This is the default settings.
	1136	+)))
	1137	+|(% style="width:100px" %)(((
	1138	+
	1139	+)))|(% style="width:400px" %)(((
	1140	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1141	+)))
833	833
	1143	+(((
834	834	**Downlink Command:**
	1145	+)))
835	835
	1147	+(((
836	836	**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1149	+)))
837	837
	1151	+(((
	1152	+
	1153	+)))
838	838
	1155	+(((
839	839	**Example**:
	1157	+)))
840	840
	1159	+(((
841	841	The RS485-LN is set to AT+RXMODE=2,1000
	1161	+)))
842	842
	1163	+(((
843	843	There is a two Modbus commands in the RS485 network as below:
	1165	+)))
844	844
	1167	+(((
845	845	The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1169	+)))
846	846
	1171	+(((
847	847	And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1173	+)))
848	848
	1175	+(((
849	849	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
	1177	+)))
850	850
	1179	+(((
851	851	[[image:image-20220602171200-9.png]]
	1181	+)))
852	852
	1183	+(((
	1184	+
	1185	+)))
853	853
	1187	+(((
	1188	+(((
854	854	(% 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.
	1190	+)))
	1191	+)))
855	855
856	856
857	857	== 3.7 Buttons ==
858	858
859	859
860		-(% border="1" style="background-color:#f7faff; width:500px" %)
861		-|=**Button**|=(% style="width: 1420px;" %)**Feature**
862		-|**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**
863		-|**RST**|(% style="width:1420px" %)Reboot RS485
864		-|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
	1197	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
	1198	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
	1199	+|(% 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**
	1200	+|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
	1201	+|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
865	865
866		-
867		-
868	868	== 3.8 LEDs ==
869	869
870		-(% border="1" style="background-color:#f7faff; width:500px" %)
871		-|=**LEDs**|=**Feature**
	1205	+
	1206	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1207	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
872	872	|**PWR**|Always on if there is power
873		-|**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.
	1209	+|**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.
874	874
875		-
876		-
877	877	= 4. Case Study =
878	878
879	879	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]]
...	...	@@ -883,19 +883,26 @@
883	883
884	884	== 5.1 Access AT Command ==
885	885
	1220	+(((
886	886	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.
	1222	+)))
887	887
888	888	[[image:1654162355560-817.png]]
889	889
890	890
	1227	+(((
891	891	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:
	1229	+)))
892	892
893	893	[[image:1654162368066-342.png]]
894	894
895	895
896		-More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
	1234	+(((
	1235	+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/]]
	1236	+)))
897	897
898	898
	1239	+
899	899	== 5.2 Common AT Command Sequence ==
900	900
901	901	=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
...	...	@@ -918,7 +918,9 @@
918	918	)))
919	919
920	920
	1262	+(((
921	921	If device already joined network:
	1264	+)))
922	922
923	923	(% class="box infomessage" %)
924	924	(((
...	...	@@ -957,10 +957,12 @@
957	957
958	958	(% style="color:red" %)**Note:**
959	959
	1303	+(((
960	960	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
961	961	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
962	962	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.
963	963	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
	1308	+)))
964	964
965	965	[[image:1654162478620-421.png]]
966	966
...	...	@@ -969,23 +969,45 @@
969	969
970	970	== 6.1 How to upgrade the image? ==
971	971
	1317	+(((
972	972	The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1319	+)))
973	973
974		-* Support new features
975		-* For bug fix
976		-* Change LoRaWAN bands.
	1321	+* (((
	1322	+Support new features
	1323	+)))
	1324	+* (((
	1325	+For bug fix
	1326	+)))
	1327	+* (((
	1328	+Change LoRaWAN bands.
	1329	+)))
977	977
	1331	+(((
978	978	Below shows the hardware connection for how to upload an image to RS485-LN:
	1333	+)))
979	979
980	980	[[image:1654162535040-878.png]]
981	981
	1337	+(((
982	982	**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]].
	1339	+)))
983	983
	1341	+(((
984	984	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1343	+)))
985	985
	1345	+(((
986	986	**Step3: **Open flashloader; choose the correct COM port to update.
	1347	+)))
987	987
	1349	+(((
	1350	+(((
	1351	+(((
988	988	(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
	1353	+)))
	1354	+)))
	1355	+)))
989	989
990	990
991	991	[[image:image-20220602175818-12.png]]
...	...	@@ -1066,30 +1066,60 @@
1066	1066
1067	1067	= 10. FCC Caution for RS485LN-US915 =
1068	1068
	1436	+(((
1069	1069	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1438	+)))
1070	1070
	1440	+(((
1071	1071	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.
	1442	+)))
1072	1072
	1444	+(((
	1445	+
	1446	+)))
1073	1073
	1448	+(((
1074	1074	**IMPORTANT NOTE:**
	1450	+)))
1075	1075
	1452	+(((
1076	1076	**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:
	1454	+)))
1077	1077
	1456	+(((
1078	1078	—Reorient or relocate the receiving antenna.
	1458	+)))
1079	1079
	1460	+(((
1080	1080	—Increase the separation between the equipment and receiver.
	1462	+)))
1081	1081
	1464	+(((
1082	1082	—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1466	+)))
1083	1083
	1468	+(((
1084	1084	—Consult the dealer or an experienced radio/TV technician for help.
	1470	+)))
1085	1085
	1472	+(((
	1473	+
	1474	+)))
1086	1086
	1476	+(((
1087	1087	**FCC Radiation Exposure Statement:**
	1478	+)))
1088	1088
	1480	+(((
1089	1089	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.
	1482	+)))
1090	1090
1091	1091
1092	1092	= 11. Support =
1093	1093
1094		-* 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.
1095		-* 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]].
	1487	+* (((
	1488	+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.
	1489	+)))
	1490	+* (((
	1491	+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]].
	1492	+)))

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