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1	1	(% style="text-align:center" %)
2	2	[[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3	3
4		-**LT-22222-L LoRa IO Controller User Manual **
5	5
6	6
7	7	**Table of Contents:**
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167	167	Packet engine up to 256 bytes with CRC.
168	168
169	169
170		-
171	171
172	172	)))
173	173
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181	181	* Firmware upgradable via program port
182	182	* Counting
183	183
184		-
185		-
186		-
187	187	== 1.4  Applications ==
188	188
189	189	* Smart Buildings & Home Automation
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193	193	* Smart Cities
194	194	* Smart Factory
195	195
196		-
197		-
198		-
199	199	== 1.5 Hardware Variants ==
200	200
201	201	(% border="1" style="background-color:#f7faff; width:500px" %)
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209	209	* 1 x Counting Port
210	210	)))
211	211
212		-
213	213	= 2. Power ON Device =
214	214
215	215	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.
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227	227	== 3.1 How it works? ==
228	228
229	229	(((
230		-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 **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **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.
	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.
231	231	)))
232	232
233	233	(((
234		-In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
	225	+In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
235	235	)))
236	236
237	237
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283	283
284	284	There are five working modes + one interrupt mode on LT for different type application:
285	285
286		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
287		-* **MOD2**: Double DI Counting + DO + RO
288		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
289		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
290		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
291		-* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
	277	+* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	278	+* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	279	+* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	280	+* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	281	+* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	282	+* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
292	292
293	293
294	294
295		-
296		-
297	297	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
298	298
299	299	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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332	332	* [1] RO1 relay channel is close and the RO1 LED is ON.
333	333	* [0] RO2 relay channel is open and RO2 LED is OFF;
334	334
	324	+
	325	+
335	335	**LT22222-L:**
336	336
337	337	* [1] DI2 channel is high input and DI2 LED is ON;
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349	349
350	350
351	351
352		-
353		-
354	354	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
355	355
356	356
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424	424	[[image:image-20220523181246-5.png]]
425	425
426	426	(((
	416	+
	417	+
427	427	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
428	428	)))
429	429
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437	437	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
438	438	)))
439	439
	431	+
440	440	(((
441	441	**To use counting mode, please run:**
442	442	)))
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569	569
570	570	For example, if user has configured below commands:
571	571
572		-* **AT+MOD=1 ** **~-~->** The normal working mode
573		-* **AT+ADDMOD6=1**   **~-~->** Enable trigger
	564	+* **AT+MOD=1 ** **~-~->**  The normal working mode
	565	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
574	574
575	575	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
576	576
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577	577	1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
578	578	1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
579	579
	572	+
580	580	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
581	581
	575	+
582	582	(% style="color:#4f81bd" %)**Trigger base on voltage**:
583	583
584	584	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
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720	720
721	721
722	722
723		-
724		-
725	725	=== 3.4.1 Common Commands ===
726	726
727	727	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]]
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860	860	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
861	861	* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
862	862
863		-
864	864	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
865	865
866	866	Set DI2 trigger.
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932	932
933	933	**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
934	934
	926	+(((
	927	+
935	935
	929	+(% style="color:red" %)Note: ATDC setting must be more than 5min
	930	+)))
936	936
937	937
	933	+
938	938	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
939	939
940	940	* (% style="color:#037691" %)**AT Command**
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1938	1938	* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1939	1939	* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1940	1940
1941		-
1942	1942	= 8. Packing Info =
1943	1943
1944	1944
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1956	1956	* Package Size / pcs : 14.5 x 8 x 5 cm
1957	1957	* Weight / pcs : 170g
1958	1958
1959		-
1960	1960	= 9. Support =
1961	1961
1962	1962	* (((