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179	179	* Firmware upgradable via program port
180	180	* Counting
181	181
	182	+
182	182	== 1.4  Applications ==
183	183
184	184	* Smart Buildings & Home Automation
...	...	@@ -188,6 +188,7 @@
188	188	* Smart Cities
189	189	* Smart Factory
190	190
	192	+
191	191	== 1.5 Hardware Variants ==
192	192
193	193	(% border="1" style="background-color:#f7faff; width:500px" %)
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201	201	* 1 x Counting Port
202	202	)))
203	203
	206	+
204	204	= 2. Power ON Device =
205	205
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.
...	...	@@ -274,12 +274,12 @@
274	274
275	275	There are five working modes + one interrupt mode on LT for different type application:
276	276
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
	280	+* **(% style="color:blue" %)MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	281	+* **(% style="color:blue" %)MOD2**(%%): Double DI Counting + DO + RO
	282	+* **(% style="color:blue" %)MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	283	+* **(% style="color:blue" %)MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	284	+* **(% style="color:blue" %)MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	285	+* **(% style="color:blue" %)ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283	283
284	284
285	285
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321	321	* [1] RO1 relay channel is close and the RO1 LED is ON.
322	322	* [0] RO2 relay channel is open and RO2 LED is OFF;
323	323
324		-
325		-
326	326	**LT22222-L:**
327	327
328	328	* [1] DI2 channel is high input and DI2 LED is ON;
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338	338	** DO1 is high in case there is load between DO1 and V+.
339	339	** DO1 LED is off in both case
340	340
341		-
342		-
343	343	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344	344
345	345
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413	413	[[image:image-20220523181246-5.png]]
414	414
415	415	(((
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
...	...	@@ -428,7 +428,6 @@
428	428	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
429	429	)))
430	430
431		-
432	432	(((
433	433	**To use counting mode, please run:**
434	434	)))
...	...	@@ -561,8 +561,8 @@
561	561
562	562	For example, if user has configured below commands:
563	563
564		-* **AT+MOD=1 ** **~-~->**  The normal working mode
565		-* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
	560	+* **AT+MOD=1 ** **~-~->** The normal working mode
	561	+* **AT+ADDMOD6=1**   **~-~->** Enable trigger
566	566
567	567	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
568	568
...	...	@@ -569,10 +569,8 @@
569	569	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
570	570	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.**
571	571
572		-
573	573	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
574	574
575		-
576	576	(% style="color:#4f81bd" %)**Trigger base on voltage**:
577	577
578	578	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
...	...	@@ -712,8 +712,6 @@
712	712
713	713	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
714	714
715		-
716		-
717	717	=== 3.4.1 Common Commands ===
718	718
719	719	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]]