Summary

• Page properties (1 modified, 0 added, 0 removed)
• Attachments (0 modified, 1 added, 0 removed)
  • image-20220606110929-1.png

Details

Page properties

Content

...	...	@@ -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
...	...	@@ -83,6 +83,7 @@
83	83	* Packet engine up to 256 bytes with CRC
84	84
85	85
	96	+
86	86	== 1.3 Features ==
87	87
88	88	* LoRaWAN Class A & Class C protocol (default Class C)
...	...	@@ -95,6 +95,7 @@
95	95	* Support Interrupt uplink (Since hardware version v1.2)
96	96
97	97
	109	+
98	98	== 1.4 Applications ==
99	99
100	100	* Smart Buildings & Home Automation
...	...	@@ -104,7 +104,6 @@
104	104	* Smart Cities
105	105	* Smart Factory
106	106
107		-
108	108	== 1.5 Firmware Change log ==
109	109
110	110	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
...	...	@@ -114,9 +114,13 @@
114	114
115	115	(((
116	116	(((
	128	+(((
117	117	v1.2: Add External Interrupt Pin.
	130	+)))
118	118
	132	+(((
119	119	v1.0: Release
	134	+)))
120	120
121	121
122	122	)))
...	...	@@ -144,7 +144,9 @@
144	144	== 3.1 How it works? ==
145	145
146	146	(((
	162	+(((
147	147	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	+)))
148	148
149	149
150	150	)))
...	...	@@ -220,11 +220,15 @@
220	220
221	221	(((
222	222	(((
	240	+(((
223	223	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.
224	224	)))
	243	+)))
225	225
226	226	(((
	246	+(((
227	227	(% 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	+)))
228	228
229	229
230	230	)))
...	...	@@ -234,19 +234,19 @@
234	234
235	235	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:
236	236
237		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
238		-|(% style="width:128px" %)(((
	258	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	259	+|=(% style="width: 110px;" %)(((
239	239	**AT Commands**
240		-)))|(% style="width:305px" %)(((
	261	+)))|=(% style="width: 190px;" %)(((
241	241	**Description**
242		-)))|(% style="width:346px" %)(((
	263	+)))|=(% style="width: 190px;" %)(((
243	243	**Example**
244	244	)))
245		-|(% style="width:128px" %)(((
	266	+|(% style="width:110px" %)(((
246	246	AT+BAUDR
247		-)))|(% style="width:305px" %)(((
	268	+)))|(% style="width:190px" %)(((
248	248	Set the baud rate (for RS485 connection). Default Value is: 9600.
249		-)))|(% style="width:346px" %)(((
	270	+)))|(% style="width:190px" %)(((
250	250	(((
251	251	AT+BAUDR=9600
252	252	)))
...	...	@@ -255,11 +255,11 @@
255	255	Options: (1200,2400,4800,14400,19200,115200)
256	256	)))
257	257	)))
258		-|(% style="width:128px" %)(((
	279	+|(% style="width:110px" %)(((
259	259	AT+PARITY
260		-)))|(% style="width:305px" %)(((
	281	+)))|(% style="width:190px" %)(((
261	261	Set UART parity (for RS485 connection)
262		-)))|(% style="width:346px" %)(((
	283	+)))|(% style="width:190px" %)(((
263	263	(((
264	264	AT+PARITY=0
265	265	)))
...	...	@@ -268,9 +268,9 @@
268	268	Option: 0: no parity, 1: odd parity, 2: even parity
269	269	)))
270	270	)))
271		-|(% style="width:128px" %)(((
	292	+|(% style="width:110px" %)(((
272	272	AT+STOPBIT
273		-)))|(% style="width:305px" %)(((
	294	+)))|(% style="width:190px" %)(((
274	274	(((
275	275	Set serial stopbit (for RS485 connection)
276	276	)))
...	...	@@ -278,7 +278,7 @@
278	278	(((
279	279
280	280	)))
281		-)))|(% style="width:346px" %)(((
	302	+)))|(% style="width:190px" %)(((
282	282	(((
283	283	AT+STOPBIT=0 for 1bit
284	284	)))
...	...	@@ -292,8 +292,6 @@
292	292	)))
293	293	)))
294	294
295		-
296		-
297	297	=== 3.3.2 Configure sensors ===
298	298
299	299	(((
...	...	@@ -302,18 +302,22 @@
302	302	)))
303	303	)))
304	304
305		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
306		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
307		-|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	+(((
308	308	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	329	+)))
309	309
	331	+(((
310	310	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	333	+)))
311	311
	335	+(((
312	312	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
313		-)))|(% 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
314	314
315		-
316		-
317	317	=== 3.3.3 Configure read commands for each sampling ===
318	318
319	319	(((
...	...	@@ -359,8 +359,8 @@
359	359
360	360	**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
361	361
362		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
363		-|(% style="width:722px" %)(((
	385	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	386	+|(% style="width:510px" %)(((
364	364	**AT+DATACUTx=a,b,c**
365	365
366	366	* **a: length for the return of AT+COMMAND**
...	...	@@ -486,33 +486,35 @@
486	486
487	487	== 3.4 Uplink Payload ==
488	488
489		-(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
490		-|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
491		-|Value|(% style="width:120px" %)(((
492		-Battery(mV)
493	493
494		-&
	513	+[[image:image-20220606110929-1.png]]
495	495
496		-Interrupt _Flag
497		-)))|(% style="width:116px" %)(((
498		-PAYLOAD_VER
499		-
500		-
501		-)))|(% 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.
502		-
503	503	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
504	504
505	505
506	506	== 3.5 Configure RS485-BL via AT or Downlink ==
507	507
	520	+(((
508	508	User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	522	+)))
509	509
	524	+(((
510	510	There are two kinds of Commands:
	526	+)))
511	511
512		-* (% 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	+)))
513	513
514		-* (% 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	+)))
515	515
	536	+(((
	537	+
	538	+)))
	539	+
	540	+
516	516	=== 3.5.1 Common Commands ===
517	517
518	518	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]]
...	...	@@ -531,142 +531,282 @@
531	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
...	...	@@ -674,203 +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	748
	974	+
749	749	==== **Clear RS485 Command** ====
750	750
	977	+(((
751	751	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	979	+)))
752	752
753		-* **AT Command:**
	981	+* (((
	982	+**AT Command:**
	983	+)))
754	754
	985	+(((
755	755	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	987	+)))
756	756
	989	+(((
757	757	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	991	+)))
758	758
	993	+(((
759	759	Example screen shot after clear all RS485 commands.
	995	+)))
760	760
	997	+(((
	998	+
	999	+)))
761	761
	1001	+(((
762	762	The uplink screen shot is:
	1003	+)))
763	763
764		-[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
	1005	+[[image:1654160691922-496.png]]
765	765
766	766
767		-* **Downlink Payload:**
	1008	+* (((
	1009	+**Downlink Payload:**
	1010	+)))
768	768
	1012	+(((
769	769	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1014	+)))
770	770
771	771
772	772
	1018	+
773	773	==== **Set Serial Communication Parameters** ====
774	774
	1021	+(((
775	775	Set the Rs485 serial communication parameters:
	1023	+)))
776	776
777		-* **AT Command:**
	1025	+* (((
	1026	+**AT Command:**
	1027	+)))
778	778
	1029	+(((
779	779	Set Baud Rate:
	1031	+)))
780	780
781	781	(% class="box infomessage" %)
782	782	(((
	1035	+(((
783	783	**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
784	784	)))
	1038	+)))
785	785
	1040	+(((
786	786	Set UART Parity
	1042	+)))
787	787
788	788	(% class="box infomessage" %)
789	789	(((
	1046	+(((
790	790	**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
791	791	)))
	1049	+)))
792	792
	1051	+(((
793	793	Set STOPBIT
	1053	+)))
794	794
795	795	(% class="box infomessage" %)
796	796	(((
	1057	+(((
797	797	**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
798	798	)))
	1060	+)))
799	799
	1062	+(((
	1063	+
	1064	+)))
800	800
801		-* **Downlink Payload:**
	1066	+* (((
	1067	+**Downlink Payload:**
	1068	+)))
802	802
	1070	+(((
803	803	**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
	1072	+)))
804	804
	1074	+(((
805	805	**Example:**
	1076	+)))
806	806
807		-* A7 01 00 60   same as AT+BAUDR=9600
808		-* 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	+)))
809	809
	1085	+(((
810	810	A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1087	+)))
811	811
	1089	+(((
812	812	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1091	+)))
813	813
814	814
	1094	+
	1095	+
815	815	== 3.6 Listening mode for RS485 network ==
816	816
	1098	+(((
817	817	This feature support since firmware v1.4
	1100	+)))
818	818
	1102	+(((
819	819	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	+)))
820	820
821	821	[[image:image-20220602171200-8.png||height="567" width="1007"]]
822	822
	1108	+(((
823	823	To enable the listening mode, use can run the command AT+RXMODE.
	1110	+)))
824	824
	1112	+(((
	1113	+
	1114	+)))
825	825
826		-(% border="1" style="background-color:#ffffcc; width:500px" %)
827		-|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
828		-|(% 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.
829		-|(% 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
830		-|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
831		-|(% 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	+)))
832	832
	1143	+(((
833	833	**Downlink Command:**
	1145	+)))
834	834
	1147	+(((
835	835	**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1149	+)))
836	836
	1151	+(((
	1152	+
	1153	+)))
837	837
	1155	+(((
838	838	**Example**:
	1157	+)))
839	839
	1159	+(((
840	840	The RS485-LN is set to AT+RXMODE=2,1000
	1161	+)))
841	841
	1163	+(((
842	842	There is a two Modbus commands in the RS485 network as below:
	1165	+)))
843	843
	1167	+(((
844	844	The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1169	+)))
845	845
	1171	+(((
846	846	And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1173	+)))
847	847
	1175	+(((
848	848	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	+)))
849	849
	1179	+(((
850	850	[[image:image-20220602171200-9.png]]
	1181	+)))
851	851
	1183	+(((
	1184	+
	1185	+)))
852	852
	1187	+(((
	1188	+(((
853	853	(% 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	+)))
854	854
855	855
856	856	== 3.7 Buttons ==
857	857
858	858
859		-(% border="1" style="background-color:#f7faff; width:500px" %)
860		-|=**Button**|=(% style="width: 1420px;" %)**Feature**
861		-|**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**
862		-|**RST**|(% style="width:1420px" %)Reboot RS485
863		-|**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"]]
864	864
865		-
866	866	== 3.8 LEDs ==
867	867
868		-(% border="1" style="background-color:#f7faff; width:500px" %)
869		-|=**LEDs**|=**Feature**
	1205	+
	1206	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1207	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
870	870	|**PWR**|Always on if there is power
871		-|**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.
872	872
873		-
874	874	= 4. Case Study =
875	875
876	876	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]]
...	...	@@ -880,19 +880,26 @@
880	880
881	881	== 5.1 Access AT Command ==
882	882
	1220	+(((
883	883	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	+)))
884	884
885	885	[[image:1654162355560-817.png]]
886	886
887	887
	1227	+(((
888	888	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	+)))
889	889
890	890	[[image:1654162368066-342.png]]
891	891
892	892
893		-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	+)))
894	894
895	895
	1239	+
896	896	== 5.2 Common AT Command Sequence ==
897	897
898	898	=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
...	...	@@ -915,7 +915,9 @@
915	915	)))
916	916
917	917
	1262	+(((
918	918	If device already joined network:
	1264	+)))
919	919
920	920	(% class="box infomessage" %)
921	921	(((
...	...	@@ -954,10 +954,12 @@
954	954
955	955	(% style="color:red" %)**Note:**
956	956
	1303	+(((
957	957	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
958	958	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
959	959	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.
960	960	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	+)))
961	961
962	962	[[image:1654162478620-421.png]]
963	963
...	...	@@ -966,23 +966,45 @@
966	966
967	967	== 6.1 How to upgrade the image? ==
968	968
	1317	+(((
969	969	The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1319	+)))
970	970
971		-* Support new features
972		-* For bug fix
973		-* Change LoRaWAN bands.
	1321	+* (((
	1322	+Support new features
	1323	+)))
	1324	+* (((
	1325	+For bug fix
	1326	+)))
	1327	+* (((
	1328	+Change LoRaWAN bands.
	1329	+)))
974	974
	1331	+(((
975	975	Below shows the hardware connection for how to upload an image to RS485-LN:
	1333	+)))
976	976
977	977	[[image:1654162535040-878.png]]
978	978
	1337	+(((
979	979	**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	+)))
980	980
	1341	+(((
981	981	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1343	+)))
982	982
	1345	+(((
983	983	**Step3: **Open flashloader; choose the correct COM port to update.
	1347	+)))
984	984
	1349	+(((
	1350	+(((
	1351	+(((
985	985	(% 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	+)))
986	986
987	987
988	988	[[image:image-20220602175818-12.png]]
...	...	@@ -1045,7 +1045,6 @@
1045	1045	* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1046	1046	* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1047	1047
1048		-
1049	1049	= 9.Packing Info =
1050	1050
1051	1051
...	...	@@ -1062,33 +1062,62 @@
1062	1062	* Package Size / pcs : 14.5 x 8 x 5 cm
1063	1063	* Weight / pcs : 170g
1064	1064
1065		-
1066	1066	= 10. FCC Caution for RS485LN-US915 =
1067	1067
	1436	+(((
1068	1068	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1438	+)))
1069	1069
	1440	+(((
1070	1070	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	+)))
1071	1071
	1444	+(((
	1445	+
	1446	+)))
1072	1072
	1448	+(((
1073	1073	**IMPORTANT NOTE:**
	1450	+)))
1074	1074
	1452	+(((
1075	1075	**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	+)))
1076	1076
	1456	+(((
1077	1077	—Reorient or relocate the receiving antenna.
	1458	+)))
1078	1078
	1460	+(((
1079	1079	—Increase the separation between the equipment and receiver.
	1462	+)))
1080	1080
	1464	+(((
1081	1081	—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1466	+)))
1082	1082
	1468	+(((
1083	1083	—Consult the dealer or an experienced radio/TV technician for help.
	1470	+)))
1084	1084
	1472	+(((
	1473	+
	1474	+)))
1085	1085
	1476	+(((
1086	1086	**FCC Radiation Exposure Statement:**
	1478	+)))
1087	1087
	1480	+(((
1088	1088	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	+)))
1089	1089
1090	1090
1091	1091	= 11. Support =
1092	1092
1093		-* 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.
1094		-* 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	+)))

image-20220606110929-1.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Xiaoling

Size

...	...	@@ -1,0 +1,1 @@
	1	+13.9 KB

Content