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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
...	...	@@ -82,6 +82,7 @@
82	82	* Automatic RF Sense and CAD with ultra-fast AFC.
83	83	* Packet engine up to 256 bytes with CRC
84	84
	95	+
85	85	== 1.3 Features ==
86	86
87	87	* LoRaWAN Class A & Class C protocol (default Class C)
...	...	@@ -93,6 +93,7 @@
93	93	* Support Modbus protocol
94	94	* Support Interrupt uplink (Since hardware version v1.2)
95	95
	107	+
96	96	== 1.4 Applications ==
97	97
98	98	* Smart Buildings & Home Automation
...	...	@@ -102,6 +102,7 @@
102	102	* Smart Cities
103	103	* Smart Factory
104	104
	117	+
105	105	== 1.5 Firmware Change log ==
106	106
107	107	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
...	...	@@ -111,9 +111,13 @@
111	111
112	112	(((
113	113	(((
	127	+(((
114	114	v1.2: Add External Interrupt Pin.
	129	+)))
115	115
	131	+(((
116	116	v1.0: Release
	133	+)))
117	117
118	118
119	119	)))
...	...	@@ -141,7 +141,9 @@
141	141	== 3.1 How it works? ==
142	142
143	143	(((
	161	+(((
144	144	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	+)))
145	145
146	146
147	147	)))
...	...	@@ -217,11 +217,15 @@
217	217
218	218	(((
219	219	(((
	239	+(((
220	220	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.
221	221	)))
	242	+)))
222	222
223	223	(((
	245	+(((
224	224	(% 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	+)))
225	225
226	226
227	227	)))
...	...	@@ -231,19 +231,19 @@
231	231
232	232	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:
233	233
234		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235		-|(% style="width:128px" %)(((
	257	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	258	+|=(% style="width: 110px;" %)(((
236	236	**AT Commands**
237		-)))|(% style="width:305px" %)(((
	260	+)))|=(% style="width: 190px;" %)(((
238	238	**Description**
239		-)))|(% style="width:346px" %)(((
	262	+)))|=(% style="width: 190px;" %)(((
240	240	**Example**
241	241	)))
242		-|(% style="width:128px" %)(((
	265	+|(% style="width:110px" %)(((
243	243	AT+BAUDR
244		-)))|(% style="width:305px" %)(((
	267	+)))|(% style="width:190px" %)(((
245	245	Set the baud rate (for RS485 connection). Default Value is: 9600.
246		-)))|(% style="width:346px" %)(((
	269	+)))|(% style="width:190px" %)(((
247	247	(((
248	248	AT+BAUDR=9600
249	249	)))
...	...	@@ -252,11 +252,11 @@
252	252	Options: (1200,2400,4800,14400,19200,115200)
253	253	)))
254	254	)))
255		-|(% style="width:128px" %)(((
	278	+|(% style="width:110px" %)(((
256	256	AT+PARITY
257		-)))|(% style="width:305px" %)(((
	280	+)))|(% style="width:190px" %)(((
258	258	Set UART parity (for RS485 connection)
259		-)))|(% style="width:346px" %)(((
	282	+)))|(% style="width:190px" %)(((
260	260	(((
261	261	AT+PARITY=0
262	262	)))
...	...	@@ -265,9 +265,9 @@
265	265	Option: 0: no parity, 1: odd parity, 2: even parity
266	266	)))
267	267	)))
268		-|(% style="width:128px" %)(((
	291	+|(% style="width:110px" %)(((
269	269	AT+STOPBIT
270		-)))|(% style="width:305px" %)(((
	293	+)))|(% style="width:190px" %)(((
271	271	(((
272	272	Set serial stopbit (for RS485 connection)
273	273	)))
...	...	@@ -275,7 +275,7 @@
275	275	(((
276	276
277	277	)))
278		-)))|(% style="width:346px" %)(((
	301	+)))|(% style="width:190px" %)(((
279	279	(((
280	280	AT+STOPBIT=0 for 1bit
281	281	)))
...	...	@@ -290,6 +290,7 @@
290	290	)))
291	291
292	292
	316	+
293	293	=== 3.3.2 Configure sensors ===
294	294
295	295	(((
...	...	@@ -298,17 +298,18 @@
298	298	)))
299	299	)))
300	300
301		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
302		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
303		-|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" %)(((
304	304	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
305	305
306	306	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
307	307
308	308	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
309		-)))|(% 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
310	310
311	311
	336	+
312	312	=== 3.3.3 Configure read commands for each sampling ===
313	313
314	314	(((
...	...	@@ -354,8 +354,8 @@
354	354
355	355	**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
356	356
357		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
358		-|(% style="width:722px" %)(((
	382	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	383	+|(% style="width:510px" %)(((
359	359	**AT+DATACUTx=a,b,c**
360	360
361	361	* **a: length for the return of AT+COMMAND**
...	...	@@ -481,34 +481,35 @@
481	481
482	482	== 3.4 Uplink Payload ==
483	483
484		-(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
485		-|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
486		-|Value|(% style="width:120px" %)(((
487		-Battery(mV)
488	488
489		-&
	510	+[[image:image-20220606110929-1.png]]
490	490
491		-Interrupt _Flag
492		-)))|(% style="width:116px" %)(((
493		-PAYLOAD_VER
494		-
495		-
496		-)))|(% 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.
497		-
498	498	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
499	499
500	500
501	501	== 3.5 Configure RS485-BL via AT or Downlink ==
502	502
	517	+(((
503	503	User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	519	+)))
504	504
	521	+(((
505	505	There are two kinds of Commands:
	523	+)))
506	506
507		-* (% 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]]
	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	+)))
508	508
509		-* (% 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	+)))
510	510
	533	+(((
	534	+
	535	+)))
511	511
	537	+
512	512	=== 3.5.1 Common Commands ===
513	513
514	514	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]]
...	...	@@ -527,142 +527,282 @@
527	527
528	528
529	529
	556	+
530	530	==== **RS485 Debug Command** ====
531	531
	559	+(((
532	532	This command is used to configure the RS485 devices; they won’t be used during sampling.
	561	+)))
533	533
534		-* **AT Command**
	563	+* (((
	564	+**AT Command**
	565	+)))
535	535
536	536	(% class="box infomessage" %)
537	537	(((
	569	+(((
538	538	**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
539	539	)))
	572	+)))
540	540
	574	+(((
541	541	m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	576	+)))
542	542
543		-* **Downlink Payload**
	578	+* (((
	579	+**Downlink Payload**
	580	+)))
544	544
	582	+(((
545	545	Format: A8 MM NN XX XX XX XX YY
	584	+)))
546	546
	586	+(((
547	547	Where:
	588	+)))
548	548
549		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
550		-* NN: The length of RS485 command
551		-* XX XX XX XX: RS485 command total NN bytes
552		-* YY: How many bytes will be uplink from the return of this RS485 command,
553		-** if YY=0, RS485-LN will execute the downlink command without uplink;
554		-** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
555		-** 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	+)))
556	556
	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	+(((
557	557	**Example 1** ~-~-> Configure without ask for uplink (YY=0)
	617	+)))
558	558
	619	+(((
559	559	To connect a Modbus Alarm with below commands.
	621	+)))
560	560
561		-* 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	+)))
562	562
563		-* 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	+)))
564	564
	631	+(((
565	565	So if user want to use downlink command to control to RS485 Alarm, he can use:
	633	+)))
566	566
	635	+(((
567	567	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	637	+)))
568	568
	639	+(((
569	569	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	641	+)))
570	570
	643	+(((
571	571	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	+)))
572	572
	647	+(((
	648	+
	649	+)))
573	573
	651	+(((
574	574	**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	653	+)))
575	575
	655	+(((
576	576	User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	657	+)))
577	577
	659	+(((
	660	+
	661	+)))
578	578
	663	+(((
579	579	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	+)))
580	580
	667	+(((
581	581	**A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	669	+)))
582	582
	671	+(((
583	583	[[image:1654159460680-153.png]]
	673	+)))
584	584
585	585
586	586
	677	+
587	587	==== **Set Payload version** ====
588	588
	680	+(((
589	589	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	+)))
590	590
591		-* **AT Command:**
	684	+* (((
	685	+**AT Command:**
	686	+)))
592	592
593	593	(% class="box infomessage" %)
594	594	(((
	690	+(((
595	595	**AT+PAYVER: Set PAYVER field = 1**
596	596	)))
	693	+)))
597	597
598		-* **Downlink Payload:**
	695	+* (((
	696	+**Downlink Payload:**
	697	+)))
599	599
	699	+(((
600	600	**0xAE 01**  ~-~-> Set PAYVER field =  0x01
	701	+)))
601	601
	703	+(((
602	602	**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
	705	+)))
603	603
604	604
605	605
	709	+
606	606	==== **Set RS485 Sampling Commands** ====
607	607
	712	+(((
608	608	AT+COMMANDx or AT+DATACUTx
	714	+)))
609	609
	716	+(((
610	610	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	+)))
611	611
	720	+(((
	721	+
	722	+)))
612	612
613		-* **AT Command:**
	724	+* (((
	725	+**AT Command:**
	726	+)))
614	614
615	615	(% class="box infomessage" %)
616	616	(((
	730	+(((
617	617	**AT+COMMANDx: Configure RS485 read command to sensor.**
618	618	)))
	733	+)))
619	619
620	620	(% class="box infomessage" %)
621	621	(((
	737	+(((
622	622	**AT+DATACUTx: Configure how to handle return from RS485 devices.**
623	623	)))
	740	+)))
624	624
	742	+(((
	743	+
	744	+)))
625	625
626		-* **Downlink Payload:**
	746	+* (((
	747	+**Downlink Payload:**
	748	+)))
627	627
	750	+(((
628	628	**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	752	+)))
629	629
	754	+(((
630	630	(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	756	+)))
631	631
	758	+(((
632	632	Format: AF MM NN LL XX XX XX XX YY
	760	+)))
633	633
	762	+(((
634	634	Where:
	764	+)))
635	635
636		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
637		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
638		-* LL:  The length of AT+COMMAND or AT+DATACUT command
639		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
640		-* 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.
	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	+)))
641	641
	782	+(((
642	642	**Example:**
	784	+)))
643	643
	786	+(((
644	644	(% 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	+)))
645	645
	790	+(((
646	646	(% 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	+)))
647	647
	794	+(((
648	648	(% 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	+)))
649	649
650	650
651	651
	800	+
652	652	==== **Fast command to handle MODBUS device** ====
653	653
	803	+(((
654	654	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	+)))
655	655
	807	+(((
656	656	This command is valid since v1.3 firmware version
	809	+)))
657	657
	811	+(((
658	658	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	+)))
659	659
	815	+(((
	816	+
	817	+)))
660	660
	819	+(((
661	661	**Example:**
	821	+)))
662	662
663		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
664		-* 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.
665		-* 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	+)))
666	666
667	667	[[image:image-20220602165351-6.png]]
668	668
...	...	@@ -670,200 +670,372 @@
670	670
671	671
672	672
	839	+
673	673	==== **RS485 command timeout** ====
674	674
	842	+(((
675	675	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	+)))
676	676
	846	+(((
677	677	Default value: 0, range:  0 ~~ 65 seconds
	848	+)))
678	678
679		-* **AT Command:**
	850	+* (((
	851	+**AT Command:**
	852	+)))
680	680
681	681	(% class="box infomessage" %)
682	682	(((
	856	+(((
683	683	**AT+CMDDLaa=hex(bb cc)*1000**
684	684	)))
	859	+)))
685	685
	861	+(((
686	686	**Example:**
	863	+)))
687	687
	865	+(((
688	688	**AT+CMDDL1=1000** to send the open time to 1000ms
	867	+)))
689	689
	869	+(((
	870	+
	871	+)))
690	690
691		-* **Downlink Payload:**
	873	+* (((
	874	+**Downlink Payload:**
	875	+)))
692	692
	877	+(((
693	693	**0x AA aa bb cc**
	879	+)))
694	694
	881	+(((
695	695	Same as: AT+CMDDLaa=hex(bb cc)*1000
	883	+)))
696	696
	885	+(((
697	697	**Example:**
	887	+)))
698	698
	889	+(((
699	699	0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
	891	+)))
700	700
701	701
702	702
	895	+
703	703	==== **Uplink payload mode** ====
704	704
	898	+(((
705	705	Define to use one uplink or multiple uplinks for the sampling.
	900	+)))
706	706
	902	+(((
707	707	The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
	904	+)))
708	708
709		-* **AT Command:**
	906	+* (((
	907	+**AT Command:**
	908	+)))
710	710
711	711	(% class="box infomessage" %)
712	712	(((
	912	+(((
713	713	**AT+DATAUP=0**
714	714	)))
	915	+)))
715	715
716	716	(% class="box infomessage" %)
717	717	(((
	919	+(((
718	718	**AT+DATAUP=1**
719	719	)))
	922	+)))
720	720
	924	+(((
	925	+
	926	+)))
721	721
722		-* **Downlink Payload:**
	928	+* (((
	929	+**Downlink Payload:**
	930	+)))
723	723
	932	+(((
724	724	**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	934	+)))
725	725
	936	+(((
726	726	**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	938	+)))
727	727
728	728
729	729
	942	+
730	730	==== **Manually trigger an Uplink** ====
731	731
	945	+(((
732	732	Ask device to send an uplink immediately.
	947	+)))
733	733
734		-* **AT Command:**
	949	+* (((
	950	+**AT Command:**
	951	+)))
735	735
	953	+(((
736	736	No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	955	+)))
737	737
	957	+(((
	958	+
	959	+)))
738	738
739		-* **Downlink Payload:**
	961	+* (((
	962	+**Downlink Payload:**
	963	+)))
740	740
	965	+(((
741	741	**0x08 FF**, RS485-LN will immediately send an uplink.
	967	+)))
742	742
743	743
744	744
	971	+
745	745	==== **Clear RS485 Command** ====
746	746
	974	+(((
747	747	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	976	+)))
748	748
749		-* **AT Command:**
	978	+* (((
	979	+**AT Command:**
	980	+)))
750	750
	982	+(((
751	751	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	984	+)))
752	752
	986	+(((
753	753	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	988	+)))
754	754
	990	+(((
755	755	Example screen shot after clear all RS485 commands.
	992	+)))
756	756
	994	+(((
	995	+
	996	+)))
757	757
	998	+(((
758	758	The uplink screen shot is:
	1000	+)))
759	759
760	760	[[image:1654160691922-496.png]]
761	761
762	762
763		-* **Downlink Payload:**
	1005	+* (((
	1006	+**Downlink Payload:**
	1007	+)))
764	764
	1009	+(((
765	765	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1011	+)))
766	766
767	767
768	768
	1015	+
769	769	==== **Set Serial Communication Parameters** ====
770	770
	1018	+(((
771	771	Set the Rs485 serial communication parameters:
	1020	+)))
772	772
773		-* **AT Command:**
	1022	+* (((
	1023	+**AT Command:**
	1024	+)))
774	774
	1026	+(((
775	775	Set Baud Rate:
	1028	+)))
776	776
777	777	(% class="box infomessage" %)
778	778	(((
	1032	+(((
779	779	**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
780	780	)))
	1035	+)))
781	781
	1037	+(((
782	782	Set UART Parity
	1039	+)))
783	783
784	784	(% class="box infomessage" %)
785	785	(((
	1043	+(((
786	786	**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
787	787	)))
	1046	+)))
788	788
	1048	+(((
789	789	Set STOPBIT
	1050	+)))
790	790
791	791	(% class="box infomessage" %)
792	792	(((
	1054	+(((
793	793	**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
794	794	)))
	1057	+)))
795	795
	1059	+(((
	1060	+
	1061	+)))
796	796
797		-* **Downlink Payload:**
	1063	+* (((
	1064	+**Downlink Payload:**
	1065	+)))
798	798
	1067	+(((
799	799	**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
	1069	+)))
800	800
	1071	+(((
801	801	**Example:**
	1073	+)))
802	802
803		-* A7 01 00 60   same as AT+BAUDR=9600
804		-* 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	+)))
805	805
	1082	+(((
806	806	A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1084	+)))
807	807
	1086	+(((
808	808	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1088	+)))
809	809
810	810
	1091	+
	1092	+
811	811	== 3.6 Listening mode for RS485 network ==
812	812
	1095	+(((
813	813	This feature support since firmware v1.4
	1097	+)))
814	814
	1099	+(((
815	815	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	+)))
816	816
817	817	[[image:image-20220602171200-8.png||height="567" width="1007"]]
818	818
	1105	+(((
819	819	To enable the listening mode, use can run the command AT+RXMODE.
	1107	+)))
820	820
	1109	+(((
	1110	+
	1111	+)))
821	821
822		-(% border="1" style="background-color:#ffffcc; width:500px" %)
823		-|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
824		-|(% 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.
825		-|(% 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
826		-|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
827		-|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
	1113	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1114	+|=(% style="width: 161px;" %)(((
	1115	+**Command example:**
	1116	+)))|=(% style="width: 337px;" %)(((
	1117	+**Function**
	1118	+)))
	1119	+|(% style="width:161px" %)(((
	1120	+AT+RXMODE=1,10
	1121	+)))|(% style="width:337px" %)(((
	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:161px" %)(((
	1125	+AT+RXMODE=2,500
	1126	+)))|(% style="width:337px" %)(((
	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:161px" %)(((
	1130	+AT+RXMODE=0,0
	1131	+)))|(% style="width:337px" %)(((
	1132	+Disable listening mode. This is the default settings.
	1133	+)))
	1134	+|(% style="width:161px" %)(((
	1135	+
	1136	+)))|(% style="width:337px" %)(((
	1137	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1138	+)))
828	828
	1140	+(((
829	829	**Downlink Command:**
	1142	+)))
830	830
	1144	+(((
831	831	**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1146	+)))
832	832
	1148	+(((
	1149	+
	1150	+)))
833	833
	1152	+(((
834	834	**Example**:
	1154	+)))
835	835
	1156	+(((
836	836	The RS485-LN is set to AT+RXMODE=2,1000
	1158	+)))
837	837
	1160	+(((
838	838	There is a two Modbus commands in the RS485 network as below:
	1162	+)))
839	839
	1164	+(((
840	840	The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1166	+)))
841	841
	1168	+(((
842	842	And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1170	+)))
843	843
	1172	+(((
844	844	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	+)))
845	845
	1176	+(((
846	846	[[image:image-20220602171200-9.png]]
	1178	+)))
847	847
	1180	+(((
	1181	+
	1182	+)))
848	848
	1184	+(((
849	849	(% 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	+)))
850	850
851	851
852	852	== 3.7 Buttons ==
853	853
854	854
855		-(% border="1" style="background-color:#f7faff; width:500px" %)
856		-|=**Button**|=(% style="width: 1420px;" %)**Feature**
857		-|**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**
858		-|**RST**|(% style="width:1420px" %)Reboot RS485
859		-|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
	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"]]
860	860
861	861	== 3.8 LEDs ==
862	862
863		-(% border="1" style="background-color:#f7faff; width:500px" %)
864		-|=**LEDs**|=**Feature**
	1200	+
	1201	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1202	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
865	865	|**PWR**|Always on if there is power
866		-|**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.
	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.
867	867
868	868	= 4. Case Study =
869	869
...	...	@@ -874,19 +874,26 @@
874	874
875	875	== 5.1 Access AT Command ==
876	876
	1215	+(((
877	877	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	+)))
878	878
879	879	[[image:1654162355560-817.png]]
880	880
881	881
	1222	+(((
882	882	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	+)))
883	883
884	884	[[image:1654162368066-342.png]]
885	885
886	886
887		-More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
	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	+)))
888	888
889	889
	1234	+
890	890	== 5.2 Common AT Command Sequence ==
891	891
892	892	=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
...	...	@@ -960,13 +960,23 @@
960	960
961	961	== 6.1 How to upgrade the image? ==
962	962
	1308	+(((
963	963	The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1310	+)))
964	964
965		-* Support new features
966		-* For bug fix
967		-* Change LoRaWAN bands.
	1312	+* (((
	1313	+Support new features
	1314	+)))
	1315	+* (((
	1316	+For bug fix
	1317	+)))
	1318	+* (((
	1319	+Change LoRaWAN bands.
	1320	+)))
968	968
	1322	+(((
969	969	Below shows the hardware connection for how to upload an image to RS485-LN:
	1324	+)))
970	970
971	971	[[image:1654162535040-878.png]]
972	972
...	...	@@ -976,7 +976,11 @@
976	976
977	977	**Step3: **Open flashloader; choose the correct COM port to update.
978	978
	1334	+(((
	1335	+(((
979	979	(% 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	+)))
980	980
981	981
982	982	[[image:image-20220602175818-12.png]]
...	...	@@ -1057,30 +1057,60 @@
1057	1057
1058	1058	= 10. FCC Caution for RS485LN-US915 =
1059	1059
	1419	+(((
1060	1060	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1421	+)))
1061	1061
	1423	+(((
1062	1062	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	+)))
1063	1063
	1427	+(((
	1428	+
	1429	+)))
1064	1064
	1431	+(((
1065	1065	**IMPORTANT NOTE:**
	1433	+)))
1066	1066
	1435	+(((
1067	1067	**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	+)))
1068	1068
	1439	+(((
1069	1069	—Reorient or relocate the receiving antenna.
	1441	+)))
1070	1070
	1443	+(((
1071	1071	—Increase the separation between the equipment and receiver.
	1445	+)))
1072	1072
	1447	+(((
1073	1073	—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1449	+)))
1074	1074
	1451	+(((
1075	1075	—Consult the dealer or an experienced radio/TV technician for help.
	1453	+)))
1076	1076
	1455	+(((
	1456	+
	1457	+)))
1077	1077
	1459	+(((
1078	1078	**FCC Radiation Exposure Statement:**
	1461	+)))
1079	1079
	1463	+(((
1080	1080	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	+)))
1081	1081
1082	1082
1083	1083	= 11. Support =
1084	1084
1085		-* 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.
1086		-* 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]].
	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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