Summary

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1		-XWiki.Bei
	1	+XWiki.Xiaoling

Content

...	...	@@ -15,13 +15,16 @@
15	15
16	16	= 1.Introduction =
17	17
	18	+
18	18	== 1.1 What is LT Series I/O Controller ==
19	19
20	20	(((
21	21
22	22
	24	+(((
23	23	The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
24	24	)))
	27	+)))
25	25
26	26	(((
27	27	The LT I/O Controllers allows the user to send data 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.
...	...	@@ -36,11 +36,13 @@
36	36	)))
37	37
38	38	(((
39		-1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
	42	+1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40	40	)))
41	41
42	42	(((
43	43	2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
	47	+
	48	+
44	44	)))
45	45
46	46	(((
...	...	@@ -55,7 +55,7 @@
55	55	(((
56	56
57	57
58		-**Hardware System:**
	63	+(% style="color:#037691" %)**Hardware System:**
59	59	)))
60	60
61	61	* (((
...	...	@@ -80,7 +80,7 @@
80	80	(((
81	81
82	82
83		-**Interface for Model: LT22222-L:**
	88	+(% style="color:#037691" %)**Interface for Model: LT22222-L:**
84	84	)))
85	85
86	86	* (((
...	...	@@ -105,7 +105,7 @@
105	105	(((
106	106
107	107
108		-**LoRa Spec:**
	113	+(% style="color:#037691" %)**LoRa Spec:**
109	109	)))
110	110
111	111	* (((
...	...	@@ -166,14 +166,16 @@
166	166	Packet engine up to 256 bytes with CRC.
167	167
168	168
	174	+
169	169
170	170	)))
171	171
172	172	== 1.3 Features ==
173	173
	180	+
174	174	* LoRaWAN Class A & Class C protocol
175	175	* Optional Customized LoRa Protocol
176		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
	183	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
177	177	* AT Commands to change parameters
178	178	* Remote configure parameters via LoRa Downlink
179	179	* Firmware upgradable via program port
...	...	@@ -181,6 +181,7 @@
181	181
182	182	== 1.4  Applications ==
183	183
	191	+
184	184	* Smart Buildings & Home Automation
185	185	* Logistics and Supply Chain Management
186	186	* Smart Metering
...	...	@@ -190,6 +190,7 @@
190	190
191	191	== 1.5 Hardware Variants ==
192	192
	201	+
193	193	(% border="1" style="background-color:#f7faff; width:500px" %)
194	194	|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
195	195	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
...	...	@@ -203,10 +203,15 @@
203	203
204	204	= 2. Power ON Device =
205	205
	215	+
	216	+(((
206	206	The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
	218	+)))
207	207
208	208	(((
209	209	PWR will on when device is properly powered.
	222	+
	223	+
210	210	)))
211	211
212	212	[[image:1653297104069-180.png]]
...	...	@@ -215,8 +215,10 @@
215	215
216	216	= 3. Operation Mode =
217	217
	232	+
218	218	== 3.1 How it works? ==
219	219
	235	+
220	220	(((
221	221	The LT 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 LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
222	222	)))
...	...	@@ -226,10 +226,14 @@
226	226	)))
227	227
228	228
	245	+
229	229	== 3.2 Example to join LoRaWAN network ==
230	230
	248	+
231	231	(((
232	232	This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
	251	+
	252	+
233	233	)))
234	234
235	235	[[image:image-20220523172350-1.png||height="266" width="864"]]
...	...	@@ -237,6 +237,8 @@
237	237
238	238	(((
239	239	The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
	260	+
	261	+
240	240	)))
241	241
242	242	(((
...	...	@@ -252,18 +252,21 @@
252	252
253	253	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
254	254
255		-Add APP EUI in the application.
	277	+**Add APP EUI in the application.**
256	256
257	257	[[image:1653297955910-247.png||height="321" width="716"]]
258	258
259	259
260		-Add APP KEY and DEV EUI
	282	+**Add APP KEY and DEV EUI**
261	261
262	262	[[image:1653298023685-319.png]]
263	263
264	264
	287	+
265	265	(((
266	266	(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
	290	+
	291	+
267	267	)))
268	268
269	269	[[image:1653298044601-602.png||height="405" width="709"]]
...	...	@@ -272,6 +272,7 @@
272	272
273	273	== 3.3 Uplink Payload ==
274	274
	300	+
275	275	There are five working modes + one interrupt mode on LT for different type application:
276	276
277	277	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
...	...	@@ -283,7 +283,10 @@
283	283
284	284	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
285	285
	312	+
	313	+(((
286	286	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
	315	+)))
287	287
288	288	[[image:image-20220523174024-3.png]]
289	289
...	...	@@ -299,7 +299,7 @@
299	299	* DI is for digital input. DIx=1: high or float, DIx=0: low.
300	300	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
301	301
302		-(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
	331	+(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
303	303
304	304	For example if payload is: [[image:image-20220523175847-2.png]]
305	305
...	...	@@ -337,7 +337,9 @@
337	337	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
338	338
339	339
	369	+(((
340	340	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	371	+)))
341	341
342	342	(((
343	343	Total : 11 bytes payload
...	...	@@ -357,7 +357,7 @@
357	357	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
358	358
359	359	(((
360		-(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	391	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
361	361	)))
362	362
363	363	(((
...	...	@@ -369,16 +369,22 @@
369	369	(% class="box infomessage" %)
370	370	(((
371	371	(((
	403	+(((
372	372	**AT+MOD=2**
	405	+)))
373	373
	407	+(((
374	374	**ATZ**
375	375	)))
376	376	)))
	411	+)))
377	377
378	378	(((
379	379
380	380
381	381	(% style="color:#4f81bd" %)**AT Commands for counting:**
	417	+
	418	+
382	382	)))
383	383
384	384	(((
...	...	@@ -402,6 +402,7 @@
402	402
403	403	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
404	404
	442	+
405	405	**LT22222-L**: This mode the DI1 is used as a counting pin.
406	406
407	407	[[image:image-20220523181246-5.png]]
...	...	@@ -419,7 +419,7 @@
419	419	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
420	420
421	421	(((
422		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	460	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
423	423	)))
424	424
425	425
...	...	@@ -430,11 +430,15 @@
430	430	(% class="box infomessage" %)
431	431	(((
432	432	(((
	471	+(((
433	433	**AT+MOD=3**
	473	+)))
434	434
	475	+(((
435	435	**ATZ**
436	436	)))
437	437	)))
	479	+)))
438	438
439	439	(((
440	440	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -445,9 +445,13 @@
445	445	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
446	446
447	447
	490	+(((
448	448	**LT22222-L**: This mode the DI1 is used as a counting pin.
	492	+)))
449	449
	494	+(((
450	450	The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
	496	+)))
451	451
452	452	[[image:image-20220523181903-8.png]]
453	453
...	...	@@ -463,7 +463,7 @@
463	463	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
464	464
465	465	(((
466		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	512	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
467	467	)))
468	468
469	469	(((
...	...	@@ -475,14 +475,17 @@
475	475	(% class="box infomessage" %)
476	476	(((
477	477	(((
	524	+(((
478	478	**AT+MOD=4**
	526	+)))
479	479
	528	+(((
480	480	**ATZ**
481	481	)))
482	482	)))
	532	+)))
483	483
484	484
485		-
486	486	(((
487	487	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
488	488	)))
...	...	@@ -524,7 +524,7 @@
524	524	)))
525	525
526	526	(((
527		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	576	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
528	528	)))
529	529
530	530	(((
...	...	@@ -536,11 +536,15 @@
536	536	(% class="box infomessage" %)
537	537	(((
538	538	(((
	588	+(((
539	539	**AT+MOD=5**
	590	+)))
540	540
	592	+(((
541	541	**ATZ**
542	542	)))
543	543	)))
	596	+)))
544	544
545	545	(((
546	546	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -570,6 +570,7 @@
570	570
571	571	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
572	572
	626	+
573	573	**Example:**
574	574
575	575	AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
...	...	@@ -582,6 +582,7 @@
582	582
583	583	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
584	584
	639	+
585	585	**Example:**
586	586
587	587	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
...	...	@@ -600,6 +600,7 @@
600	600	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
601	601
602	602
	658	+
603	603	(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
604	604
605	605	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
...	...	@@ -648,6 +648,7 @@
648	648	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
649	649
650	650
	707	+
651	651	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
652	652
653	653	[[image:image-20220524090249-3.png]]
...	...	@@ -659,6 +659,7 @@
659	659	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
660	660
661	661
	719	+
662	662	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
663	663
664	664	[[image:image-20220524090456-4.png]]
...	...	@@ -672,6 +672,7 @@
672	672	00000101: Means both DI1 and DI2 trigger are enabled.
673	673
674	674
	733	+
675	675	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
676	676
677	677	Downlink command to poll MOD6 status:
...	...	@@ -682,24 +682,29 @@
682	682
683	683
684	684
	744	+
685	685	=== 3.3.7 Payload Decoder ===
686	686
687	687	(((
688	688
689	689
690		-**Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
691		-
692		-
	750	+**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
693	693	)))
694	694
695	695
	754	+
696	696	== 3.4 ​Configure LT via AT or Downlink ==
697	697
	757	+
	758	+(((
698	698	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
	760	+)))
699	699
700	700	(((
	763	+(((
701	701	There are two kinds of Commands:
702	702	)))
	766	+)))
703	703
704	704	* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, 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]]
705	705
...	...	@@ -707,7 +707,10 @@
707	707
708	708	=== 3.4.1 Common Commands ===
709	709
	774	+
	775	+(((
710	710	They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, 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]]
	777	+)))
711	711
712	712
713	713
...	...	@@ -716,6 +716,7 @@
716	716
717	717	==== 3.4.2.1 Set Transmit Interval ====
718	718
	786	+
719	719	Set device uplink interval.
720	720
721	721	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -735,6 +735,7 @@
735	735
736	736	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
737	737
	806	+
738	738	Set work mode.
739	739
740	740	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -754,6 +754,7 @@
754	754
755	755	==== 3.4.2.3 Poll an uplink ====
756	756
	826	+
757	757	* (% style="color:#037691" %)**AT Command:**
758	758
759	759	There is no AT Command to poll uplink
...	...	@@ -763,6 +763,7 @@
763	763
764	764	**0x08 FF     **~/~/ Poll an uplink
765	765
	836	+
766	766	**Example**: 0x08FF, ask device to send an Uplink
767	767
768	768
...	...	@@ -770,6 +770,7 @@
770	770
771	771	==== 3.4.2.4 Enable Trigger Mode ====
772	772
	844	+
773	773	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
774	774
775	775	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -790,6 +790,7 @@
790	790
791	791	==== 3.4.2.5 Poll trigger settings ====
792	792
	865	+
793	793	Poll trigger settings,
794	794
795	795	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -806,6 +806,7 @@
806	806
807	807	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
808	808
	882	+
809	809	Enable Disable DI1/DI2/DI2 as trigger,
810	810
811	811	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -826,6 +826,7 @@
826	826
827	827	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
828	828
	903	+
829	829	Set DI1 or DI3(for LT-33222-L) trigger.
830	830
831	831	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -847,6 +847,7 @@
847	847
848	848	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
849	849
	925	+
850	850	Set DI2 trigger.
851	851
852	852	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -873,6 +873,7 @@
873	873
874	874	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
875	875
	952	+
876	876	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
877	877
878	878	* (% style="color:#037691" %)**AT Command**
...	...	@@ -889,6 +889,7 @@
889	889
890	890	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
891	891
	969	+
892	892	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
893	893
894	894	* (% style="color:#037691" %)**AT Command**
...	...	@@ -905,6 +905,7 @@
905	905
906	906	==== 3.4.2.11 Trigger – Set minimum interval ====
907	907
	986	+
908	908	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
909	909
910	910	* (% style="color:#037691" %)**AT Command**
...	...	@@ -919,7 +919,7 @@
919	919	(((
920	920
921	921
922		-(% style="color:red" %)Note: ATDC setting must be more than 5min
	1001	+(% style="color:red" %)**Note: ATDC setting must be more than 5min**
923	923	)))
924	924
925	925
...	...	@@ -927,6 +927,7 @@
927	927
928	928	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
929	929
	1009	+
930	930	* (% style="color:#037691" %)**AT Command**
931	931
932	932	There is no AT Command to control Digital Output
...	...	@@ -946,11 +946,11 @@
946	946	[[image:image-20220524092754-5.png]]
947	947
948	948	(((
949		-(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
	1029	+(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
950	950	)))
951	951
952	952	(((
953		-(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
	1033	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
954	954	)))
955	955
956	956
...	...	@@ -958,6 +958,7 @@
958	958
959	959	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
960	960
	1041	+
961	961	* (% style="color:#037691" %)**AT Command**
962	962
963	963	There is no AT Command to control Digital Output
...	...	@@ -994,11 +994,11 @@
994	994	[[image:image-20220524093351-8.png]]
995	995
996	996
997		-(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
	1078	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
998	998
999	999	Latching time. Unit: ms
1000	1000
1001		-Device will upload a packet if downlink code executes successfully.
	1082	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1002	1002
1003	1003
1004	1004	**Example payload:**
...	...	@@ -1024,6 +1024,7 @@
1024	1024
1025	1025	==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1026	1026
	1108	+
1027	1027	* (% style="color:#037691" %)**AT Command:**
1028	1028
1029	1029	There is no AT Command to control Relay Output
...	...	@@ -1046,7 +1046,7 @@
1046	1046	[[image:image-20220524093724-9.png]]
1047	1047	)))
1048	1048
1049		-Device will upload a packet if downlink code executes successfully.
	1131	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1050	1050
1051	1051
1052	1052
...	...	@@ -1053,6 +1053,7 @@
1053	1053
1054	1054	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1055	1055
	1138	+
1056	1056	* (% style="color:#037691" %)**AT Command:**
1057	1057
1058	1058	There is no AT Command to control Relay Output
...	...	@@ -1076,12 +1076,12 @@
1076	1076
1077	1077	(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1078	1078
1079		-[[image:image-20220714135731-1.png||height="406" width="627"]]
	1162	+[[image:image-20221008095908-1.png||height="364" width="564"]]
1080	1080
1081	1081
1082		-(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
	1165	+(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1083	1083
1084		-Device will upload a packet if downlink code executes successfully.
	1167	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1085	1085
1086	1086
1087	1087	**Example payload:**
...	...	@@ -1104,9 +1104,9 @@
1104	1104
1105	1105
1106	1106
1107		-
1108	1108	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1109	1109
	1192	+
1110	1110	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1111	1111
1112	1112	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1123,6 +1123,7 @@
1123	1123
1124	1124	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1125	1125
	1209	+
1126	1126	* (% style="color:#037691" %)**AT Command:**
1127	1127
1128	1128	**AT+SETCNT=aa,(bb cc dd ee) **
...	...	@@ -1145,6 +1145,7 @@
1145	1145
1146	1146	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1147	1147
	1232	+
1148	1148	Clear counting for counting mode
1149	1149
1150	1150	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1161,6 +1161,7 @@
1161	1161
1162	1162	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1163	1163
	1249	+
1164	1164	* (% style="color:#037691" %)**AT Command:**
1165	1165
1166	1166	**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
...	...	@@ -1173,13 +1173,127 @@
1173	1173	(((
1174	1174	range: aa bb cc:0 to 16777215,  (unit:second)
1175	1175
	1262	+
	1263	+
1176	1176
1177	1177	)))
1178	1178
	1267	+==== 3.4.2.20 Reset save DR DO state ====
1179	1179
1180	1180
	1270	+* (% style="color:#037691" %)**AT Command:**
	1271	+
	1272	+**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
	1273	+
	1274	+**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
	1275	+
	1276	+
	1277	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
	1278	+
	1279	+**0x AD aa      **~/~/ same as AT+RODORET =aa
	1280	+
	1281	+(((
	1282	+
	1283	+
	1284	+
	1285	+
	1286	+==== 3.4.2.21 Encrypted payload ====
	1287	+
	1288	+
	1289	+* (% style="color:#037691" %)**AT Command:**
	1290	+
	1291	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
	1292	+
	1293	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
	1294	+
	1295	+
	1296	+
	1297	+
	1298	+==== 3.4.2.22 Get sensor value ====
	1299	+
	1300	+
	1301	+* (% style="color:#037691" %)**AT Command:**
	1302	+
	1303	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
	1304	+
	1305	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
	1306	+
	1307	+
	1308	+
	1309	+
	1310	+==== 3.4.2.23 Resets the downlink packet count ====
	1311	+
	1312	+
	1313	+* (% style="color:#037691" %)**AT Command:**
	1314	+
	1315	+**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
	1316	+
	1317	+**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
	1318	+
	1319	+
	1320	+
	1321	+
	1322	+==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
	1323	+
	1324	+
	1325	+* (% style="color:#037691" %)**AT Command:**
	1326	+
	1327	+ **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
	1328	+
	1329	+ **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
	1330	+
	1331	+
	1332	+* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
	1333	+
	1334	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
	1335	+
	1336	+
	1337	+
	1338	+
	1339	+==== 3.4.2.25 Copy downlink to uplink ====
	1340	+
	1341	+
	1342	+* (% style="color:#037691" %)**AT Command**(%%)**:**
	1343	+
	1344	+ **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
	1345	+
	1346	+Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
	1347	+
	1348	+
	1349	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
	1350	+
	1351	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1352	+
	1353	+
	1354	+
	1355	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
	1356	+
	1357	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1358	+
	1359	+
	1360	+
	1361	+==== 3.4.2.26 Query version number and frequency band 、TDC ====
	1362	+
	1363	+
	1364	+* (((
	1365	+(% style="color:#037691" %)**Downlink Payload**(%%)**:**
	1366	+
	1367	+**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1368	+
	1369	+
	1370	+)))
	1371	+
	1372	+**Example：**
	1373	+
	1374	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
	1375	+
	1376	+
	1377	+
	1378	+)))
	1379	+
1181	1181	== 3.5 Integrate with Mydevice ==
1182	1182
	1382	+
1183	1183	Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1184	1184
1185	1185	(((
...	...	@@ -1188,14 +1188,15 @@
1188	1188
1189	1189	(((
1190	1190	(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1391	+
	1392	+
1191	1191	)))
1192	1192
1193		-[[image:1653356737703-362.png||height="232" width="732"]]
	1395	+[[image:image-20220719105525-1.png||height="377" width="677"]]
1194	1194
1195		-[[image:image-20220524094641-11.png||height="390" width="723"]]
1196	1196
1197	1197
1198		-[[image:image-20220524094641-12.png||height="402" width="718"]]
	1399	+[[image:image-20220719110247-2.png||height="388" width="683"]]
1199	1199
1200	1200
1201	1201	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
...	...	@@ -1228,8 +1228,10 @@
1228	1228
1229	1229	== 3.6 Interface Detail ==
1230	1230
	1432	+
1231	1231	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1232	1232
	1435	+
1233	1233	Support NPN Type sensor
1234	1234
1235	1235	[[image:1653356991268-289.png]]
...	...	@@ -1238,6 +1238,7 @@
1238	1238
1239	1239	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1240	1240
	1444	+
1241	1241	(((
1242	1242	The DI port of LT-22222-L can support NPN or PNP output sensor.
1243	1243	)))
...	...	@@ -1244,7 +1244,9 @@
1244	1244
1245	1245	(((
1246	1246	(((
1247		-Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
	1451	+Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
	1452	+
	1453	+
1248	1248	)))
1249	1249	)))
1250	1250
...	...	@@ -1269,10 +1269,10 @@
1269	1269	)))
1270	1270
1271	1271	* (((
1272		-Connect sensor’s output to DI1-
	1478	+Connect sensor's output to DI1-
1273	1273	)))
1274	1274	* (((
1275		-Connect sensor’s VCC to DI1+.
	1481	+Connect sensor's VCC to DI1+.
1276	1276	)))
1277	1277
1278	1278	(((
...	...	@@ -1280,15 +1280,17 @@
1280	1280	)))
1281	1281
1282	1282	(((
1283		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
	1489	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1284	1284	)))
1285	1285
1286	1286	(((
1287		-If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
	1493	+If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1288	1288	)))
1289	1289
1290	1290	(((
1291	1291
	1498	+
	1499	+
1292	1292	)))
1293	1293
1294	1294	(((
...	...	@@ -1300,10 +1300,10 @@
1300	1300	)))
1301	1301
1302	1302	* (((
1303		-Connect sensor’s output to DI1+
	1511	+Connect sensor's output to DI1+
1304	1304	)))
1305	1305	* (((
1306		-Connect sensor’s GND DI1-.
	1514	+Connect sensor's GND DI1-.
1307	1307	)))
1308	1308
1309	1309	(((
...	...	@@ -1320,6 +1320,8 @@
1320	1320
1321	1321	(((
1322	1322
	1531	+
	1532	+
1323	1323	)))
1324	1324
1325	1325	(((
...	...	@@ -1331,10 +1331,10 @@
1331	1331	)))
1332	1332
1333	1333	* (((
1334		-Connect sensor’s output to DI1+ with a serial 50K resistor
	1544	+Connect sensor's output to DI1+ with a serial 50K resistor
1335	1335	)))
1336	1336	* (((
1337		-Connect sensor’s GND DI1-.
	1547	+Connect sensor's GND DI1-.
1338	1338	)))
1339	1339
1340	1340	(((
...	...	@@ -1353,6 +1353,7 @@
1353	1353
1354	1354	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1355	1355
	1566	+
1356	1356	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1357	1357
1358	1358	[[image:1653357531600-905.png]]
...	...	@@ -1361,6 +1361,7 @@
1361	1361
1362	1362	=== 3.6.4 Analog Input Interface ===
1363	1363
	1575	+
1364	1364	The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1365	1365
1366	1366
...	...	@@ -1373,13 +1373,13 @@
1373	1373	We take the wind speed sensor as an example for reference only.
1374	1374
1375	1375
1376		-**Specifications of the wind speed sensor:**
	1588	+(% style="color:blue" %)**Specifications of the wind speed sensor:**
1377	1377
1378		-Red:  12~~24v
	1590	+**Red:  12~~24v**
1379	1379
1380		-Yellow:  4~~20mA
	1592	+**Yellow:  4~~20mA**
1381	1381
1382		-Black:  GND
	1594	+**Black:  GND**
1383	1383
1384	1384
1385	1385	**Connection diagram:**
...	...	@@ -1392,6 +1392,7 @@
1392	1392
1393	1393	=== 3.6.5 Relay Output ===
1394	1394
	1607	+
1395	1395	(((
1396	1396	The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1397	1397	)))
...	...	@@ -1398,6 +1398,7 @@
1398	1398
1399	1399	[[image:image-20220524100215-9.png]]
1400	1400
	1614	+
1401	1401	[[image:image-20220524100215-10.png||height="382" width="723"]]
1402	1402
1403	1403
...	...	@@ -1404,6 +1404,7 @@
1404	1404
1405	1405	== 3.7 LEDs Indicators ==
1406	1406
	1621	+
1407	1407	[[image:image-20220524100748-11.png]]
1408	1408
1409	1409
...	...	@@ -1410,10 +1410,18 @@
1410	1410
1411	1411	= 4. Use AT Command =
1412	1412
	1628	+
1413	1413	== 4.1 Access AT Command ==
1414	1414
	1631	+
	1632	+(((
1415	1415	LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
	1634	+)))
1416	1416
	1636	+(((
	1637	+
	1638	+)))
	1639	+
1417	1417	[[image:1653358238933-385.png]]
1418	1418
1419	1419
...	...	@@ -1441,7 +1441,7 @@
1441	1441	)))
1442	1442
1443	1443	(((
1444		-AT+<CMD>=?       : Get the value
	1667	+AT+<CMD>=?       :  Get the value
1445	1445	)))
1446	1446
1447	1447	(((
...	...	@@ -1469,11 +1469,11 @@
1469	1469	)))
1470	1470
1471	1471	(((
1472		-AT+APPSKEY: Get or Set the Application Session Key
	1695	+AT+APPSKEY:  Get or Set the Application Session Key
1473	1473	)))
1474	1474
1475	1475	(((
1476		-AT+APPEUI: Get or Set the Application EUI
	1699	+AT+APPEUI:  Get or Set the Application EUI
1477	1477	)))
1478	1478
1479	1479	(((
...	...	@@ -1485,7 +1485,7 @@
1485	1485	)))
1486	1486
1487	1487	(((
1488		-AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1711	+AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1489	1489	)))
1490	1490
1491	1491	(((
...	...	@@ -1521,7 +1521,7 @@
1521	1521	)))
1522	1522
1523	1523	(((
1524		-AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1747	+AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1525	1525	)))
1526	1526
1527	1527	(((
...	...	@@ -1565,7 +1565,7 @@
1565	1565	)))
1566	1566
1567	1567	(((
1568		-AT+VER: Get current image version and Frequency Band
	1791	+AT+VER:  Get current image version and Frequency Band
1569	1569	)))
1570	1570
1571	1571	(((
...	...	@@ -1573,7 +1573,7 @@
1573	1573	)))
1574	1574
1575	1575	(((
1576		-AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1799	+AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1577	1577	)))
1578	1578
1579	1579	(((
...	...	@@ -1616,45 +1616,48 @@
1616	1616
1617	1617	== 4.2 Common AT Command Sequence ==
1618	1618
	1842	+
1619	1619	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1620	1620
1621	1621	(((
1622	1622
1623	1623
1624		-**If device has not joined network yet:**
	1848	+(((
	1849	+(% style="color:blue" %)**If device has not joined network yet:**
1625	1625	)))
	1851	+)))
1626	1626
1627	1627	(((
1628		-(% style="background-color:#dcdcdc" %)123456
	1854	+(% style="background-color:#dcdcdc" %)**123456**
1629	1629	)))
1630	1630
1631	1631	(((
1632		-(% style="background-color:#dcdcdc" %)AT+FDR
	1858	+(% style="background-color:#dcdcdc" %)**AT+FDR**
1633	1633	)))
1634	1634
1635	1635	(((
1636		-(% style="background-color:#dcdcdc" %)123456
	1862	+(% style="background-color:#dcdcdc" %)**123456**
1637	1637	)))
1638	1638
1639	1639	(((
1640		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1866	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1641	1641	)))
1642	1642
1643	1643	(((
1644		-(% style="background-color:#dcdcdc" %)ATZ
	1870	+(% style="background-color:#dcdcdc" %)**ATZ**
1645	1645	)))
1646	1646
1647	1647
1648	1648	(((
1649		-**If device already joined network:**
	1875	+(% style="color:blue" %)**If device already joined network:**
1650	1650	)))
1651	1651
1652	1652	(((
1653		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1879	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1654	1654	)))
1655	1655
1656	1656	(((
1657		-(% style="background-color:#dcdcdc" %)ATZ
	1883	+(% style="background-color:#dcdcdc" %)**ATZ**
1658	1658	)))
1659	1659
1660	1660
...	...	@@ -1664,55 +1664,57 @@
1664	1664	(((
1665	1665
1666	1666
1667		-(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
	1893	+(((
	1894	+(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1668	1668	)))
	1896	+)))
1669	1669
1670	1670	(((
1671		-(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1899	+(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1672	1672	)))
1673	1673
1674	1674	(((
1675		-(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
	1903	+(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1676	1676	)))
1677	1677
1678	1678	(((
1679		-(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1907	+(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1680	1680	)))
1681	1681
1682	1682	(((
1683		-(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
	1911	+(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1684	1684	)))
1685	1685
1686	1686	(((
1687		-(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
	1915	+(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1688	1688	)))
1689	1689
1690	1690	(((
1691		-(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1919	+(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1692	1692	)))
1693	1693
1694	1694	(((
1695		-(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1923	+(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1696	1696	)))
1697	1697
1698	1698	(((
1699		-(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
	1927	+(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1700	1700	)))
1701	1701
1702	1702	(((
1703		-(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
	1931	+(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1704	1704	)))
1705	1705
1706	1706	(((
1707		-(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1935	+(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1708	1708	)))
1709	1709
1710	1710	(((
1711		-(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1939	+(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1712	1712	)))
1713	1713
1714	1714	(((
1715		-(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1943	+(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1716	1716
1717	1717
1718	1718	)))
...	...	@@ -1722,10 +1722,16 @@
1722	1722	)))
1723	1723
1724	1724	(((
1725		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1726		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1727		-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.
1728		-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
	1953	+**~1. Make sure the device is set to ABP mode in the IoT Server.**
	1954	+
	1955	+**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
	1956	+
	1957	+**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?
	1958	+dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
	1959	+
	1960	+**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**
	1961	+
	1962	+
1729	1729	)))
1730	1730
1731	1731	(((
...	...	@@ -1739,13 +1739,19 @@
1739	1739
1740	1740	=== 4.2.3 Change to Class A ===
1741	1741
1742		-If sensor JOINED
1743		-(% style="background-color:#dcdcdc" %)AT+CLASS=A
1744		-ATZ
1745	1745
	1977	+(((
	1978	+(% style="color:blue" %)If sensor JOINED:
1746	1746
	1980	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A
	1981	+ATZ**
	1982	+)))
	1983	+
	1984	+
	1985	+
1747	1747	= 5. FAQ =
1748	1748
	1988	+
1749	1749	== 5.1 How to upgrade the image? ==
1750	1750
1751	1751
...	...	@@ -1762,14 +1762,18 @@
1762	1762
1763	1763	(((
1764	1764	(% style="color:blue" %)**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]].
1765		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	2005	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1766	1766	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1767	1767
1768	1768
	2009	+(((
1769	1769	(% style="color:blue" %)**For LT-22222-L**(%%):
1770	1770	Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1771	1771	)))
1772	1772
	2014	+
	2015	+)))
	2016	+
1773	1773	[[image:image-20220524103407-12.png]]
1774	1774
1775	1775	[[image:image-20220524103429-13.png]]
...	...	@@ -1779,6 +1779,7 @@
1779	1779
1780	1780	(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1781	1781
	2026	+
1782	1782	[[image:1653360054704-518.png||height="186" width="745"]]
1783	1783
1784	1784
...	...	@@ -1787,6 +1787,8 @@
1787	1787
1788	1788
1789	1789	== 5.2 How to change the LoRa Frequency Bands/Region? ==
	2035	+
	2036	+
1790	1790	)))
1791	1791	)))
1792	1792
...	...	@@ -1797,7 +1797,10 @@
1797	1797	(((
1798	1798
1799	1799
	2047	+
1800	1800	== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2049	+
	2050	+
1801	1801	)))
1802	1802
1803	1803	(((
...	...	@@ -1810,38 +1810,45 @@
1810	1810	(((
1811	1811	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1812	1812
	2063	+
1813	1813
1814	1814	)))
1815	1815	)))
1816	1816
1817	1817	(((
1818		-(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	2069	+(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	2070	+
	2071	+
1819	1819	)))
1820	1820
1821	1821	(((
1822	1822	[[image:1653360231087-571.png||height="401" width="727"]]
	2076	+
	2077	+
1823	1823	)))
1824	1824
1825	1825	(((
1826		-(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
	2081	+(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
1827	1827	)))
1828	1828
1829	1829
	2085	+
1830	1830	(((
1831		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2087	+(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2088	+
	2089	+
1832	1832	)))
1833	1833
1834	1834	(((
1835		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1836		-(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1837		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1838		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1839		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1840		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1841		-(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1842		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1843		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1844		-(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
	2093	+(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2094	+(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2095	+(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2096	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2097	+(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2098	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2099	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2100	+(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2101	+(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1845	1845	)))
1846	1846
1847	1847
...	...	@@ -1852,16 +1852,21 @@
1852	1852	[[image:1653360498588-932.png||height="485" width="726"]]
1853	1853
1854	1854
	2112	+
1855	1855	== 5.4 Can I see counting event in Serial? ==
1856	1856
	2115	+
1857	1857	(((
1858		-User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
	2117	+User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
1859	1859
1860	1860
	2120	+
1861	1861	== 5.5 Can i use point to point communication for LT-22222-L? ==
1862	1862
	2123	+
1863	1863	Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1864	1864
	2126	+
1865	1865
1866	1866	)))
1867	1867
...	...	@@ -1868,6 +1868,7 @@
1868	1868	(((
1869	1869	== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1870	1870
	2133	+
1871	1871	If the device is not shut down, but directly powered off.
1872	1872
1873	1873	It will default that this is a power-off state.
...	...	@@ -1877,12 +1877,27 @@
1877	1877	After restart, the status before power failure will be read from flash.
1878	1878
1879	1879
	2143	+
	2144	+== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
	2145	+
	2146	+
	2147	+LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
	2148	+
	2149	+
	2150	+[[image:image-20221006170630-1.png||height="610" width="945"]]
	2151	+
	2152	+
	2153	+
1880	1880	= 6. Trouble Shooting =
	2155	+
	2156	+
1881	1881	)))
1882	1882
1883	1883	(((
1884	1884	(((
1885	1885	== 6.1 Downlink doesn't work, how to solve it? ==
	2162	+
	2163	+
1886	1886	)))
1887	1887	)))
1888	1888
...	...	@@ -1893,7 +1893,10 @@
1893	1893	(((
1894	1894
1895	1895
	2174	+
1896	1896	== 6.2 Have trouble to upload image. ==
	2176	+
	2177	+
1897	1897	)))
1898	1898
1899	1899	(((
...	...	@@ -1903,7 +1903,10 @@
1903	1903	(((
1904	1904
1905	1905
	2187	+
1906	1906	== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
	2189	+
	2190	+
1907	1907	)))
1908	1908
1909	1909	(((
...	...	@@ -1911,6 +1911,7 @@
1911	1911	)))
1912	1912
1913	1913
	2198	+
1914	1914	= 7. Order Info =
1915	1915
1916	1916
...	...	@@ -1930,7 +1930,6 @@
1930	1930
1931	1931
1932	1932
1933		-
1934	1934	= 8. Packing Info =
1935	1935
1936	1936
...	...	@@ -1950,21 +1950,23 @@
1950	1950
1951	1951
1952	1952
1953		-
1954	1954	= 9. Support =
1955	1955
	2239	+
1956	1956	* (((
1957	1957	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.
1958	1958	)))
1959	1959	* (((
1960	1960	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]]
1961		-)))
1962	1962
1963	1963
1964	1964
	2248	+
	2249	+)))
	2250	+
1965	1965	= 10. Reference​​​​​ =
1966	1966
	2253	+
1967	1967	* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
1968		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1969		-* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	2255	+* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1970	1970	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]

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