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179	179	* Firmware upgradable via program port
180	180	* Counting
181	181
182		-
183	183	== 1.4  Applications ==
184	184
185	185	* Smart Buildings & Home Automation
...	...	@@ -189,7 +189,6 @@
189	189	* Smart Cities
190	190	* Smart Factory
191	191
192		-
193	193	== 1.5 Hardware Variants ==
194	194
195	195	(% border="1" style="background-color:#f7faff; width:500px" %)
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203	203	* 1 x Counting Port
204	204	)))
205	205
206		-
207	207	= 2. Power ON Device =
208	208
209	209	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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277	277
278	278	There are five working modes + one interrupt mode on LT for different type application:
279	279
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
	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
286	286
287	287
288	288
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324	324	* [1] RO1 relay channel is close and the RO1 LED is ON.
325	325	* [0] RO2 relay channel is open and RO2 LED is OFF;
326	326
	324	+
	325	+
327	327	**LT22222-L:**
328	328
329	329	* [1] DI2 channel is high input and DI2 LED is ON;
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339	339	** DO1 is high in case there is load between DO1 and V+.
340	340	** DO1 LED is off in both case
341	341
	341	+
	342	+
342	342	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
343	343
344	344
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412	412	[[image:image-20220523181246-5.png]]
413	413
414	414	(((
	416	+
	417	+
415	415	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
416	416	)))
417	417
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425	425	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
426	426	)))
427	427
	431	+
428	428	(((
429	429	**To use counting mode, please run:**
430	430	)))
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557	557
558	558	For example, if user has configured below commands:
559	559
560		-* **AT+MOD=1 ** **~-~->** The normal working mode
561		-* **AT+ADDMOD6=1**   **~-~->** Enable trigger
	564	+* **AT+MOD=1 ** **~-~->**  The normal working mode
	565	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
562	562
563	563	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
564	564
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565	565	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
566	566	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.**
567	567
	572	+
568	568	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
569	569
	575	+
570	570	(% style="color:#4f81bd" %)**Trigger base on voltage**:
571	571
572	572	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>