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1		-XWiki.Bei
	1	+XWiki.Xiaoling

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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	185	== 1.4  Applications ==
186	186
187	187	* Smart Buildings & Home Automation
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191	191	* Smart Cities
192	192	* Smart Factory
193	193
194		-
195	195	== 1.5 Hardware Variants ==
196	196
197	197	(% border="1" style="background-color:#f7faff; width:500px" %)
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222	222	== 3.1 How it works? ==
223	223
224	224	(((
225		-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.
226	226	)))
227	227
228	228	(((
229		-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.
230	230	)))
231	231
232	232
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278	278
279	279	There are five working modes + one interrupt mode on LT for different type application:
280	280
281		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
282		-* **MOD2**: Double DI Counting + DO + RO
283		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
284		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
285		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286		-* **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
287	287
288	288
289	289
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325	325	* [1] RO1 relay channel is close and the RO1 LED is ON.
326	326	* [0] RO2 relay channel is open and RO2 LED is OFF;
327	327
	324	+
	325	+
328	328	**LT22222-L:**
329	329
330	330	* [1] DI2 channel is high input and DI2 LED is ON;
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415	415	[[image:image-20220523181246-5.png]]
416	416
417	417	(((
	416	+
	417	+
418	418	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
419	419	)))
420	420
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428	428	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
429	429	)))
430	430
	431	+
431	431	(((
432	432	**To use counting mode, please run:**
433	433	)))
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560	560
561	561	For example, if user has configured below commands:
562	562
563		-* **AT+MOD=1 ** **~-~->** The normal working mode
564		-* **AT+ADDMOD6=1**   **~-~->** Enable trigger
	564	+* **AT+MOD=1 ** **~-~->**  The normal working mode
	565	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
565	565
566	566	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
567	567
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568	568	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
569	569	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.**
570	570
	572	+
571	571	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
572	572
	575	+
573	573	(% style="color:#4f81bd" %)**Trigger base on voltage**:
574	574
575	575	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
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719	719
720	720	=== 3.4.2 Sensor related commands ===
721	721
	725	+
722	722	==== 3.4.2.1 Set Transmit Interval ====
723	723
724	724	Set device uplink interval.
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772	772
773	773
774	774
	779	+
775	775	==== 3.4.2.4 Enable Trigger Mode ====
776	776
777	777	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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928	928
929	929
930	930
	936	+
931	931	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
932	932
933	933	* (% style="color:#037691" %)**AT Command**