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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 **
4	4
5	5
6	6	**Table of Contents:**
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166	166	Packet engine up to 256 bytes with CRC.
167	167
168	168
	170	+
169	169
170	170	)))
171	171
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201	201	* 1 x Counting Port
202	202	)))
203	203
	206	+
	207	+
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.
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218	218	== 3.1 How it works? ==
219	219
220	220	(((
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.
	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.
222	222	)))
223	223
224	224	(((
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.
	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.
226	226	)))
227	227
228	228
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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
	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
283	283
284		-
285		-
286	286	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
287	287
288	288	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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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
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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	)))
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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
	559	+* **AT+MOD=1 ** **~-~->** The normal working mode
	560	+* **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
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572	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>
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804	804
805	805	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
806	806
807		-**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
	801	+**0xAB 06  **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
808	808
809	809
810	810
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850	850	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
851	851	* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
852	852
	847	+
	848	+
	849	+
853	853	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
854	854
855	855	Set DI2 trigger.
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914	914
915	915	* (% style="color:#037691" %)**AT Command**
916	916
917		-**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
	914	+**AT+ATDC=5  ** Device won't response the second trigger within 5 minute after the first trigger.
918	918
919	919
920	920	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
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921	921
922	922	**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
923	923
924		-(((
925		-
926	926
927		-(% style="color:red" %)Note: ATDC setting must be more than 5min
928		-)))
929	929
930	930
931		-
932	932	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
933	933
934	934	* (% style="color:#037691" %)**AT Command**
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1153	1153
1154	1154	* (% style="color:#037691" %)**AT Command:**
1155	1155
1156		-**AT+CLRCOUNT ** ~/~/ clear all counting
	1148	+(% style="color:#037691" %)​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1157	1157
1158	1158
1159	1159	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
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1915	1915	)))
1916	1916
1917	1917
	1910	+
1918	1918	= 7. Order Info =
1919	1919
	1913	+
1920	1920	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1921	1921
1922	1922
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1932	1932	* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1933	1933	* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1934	1934
	1929	+
	1930	+
	1931	+
1935	1935	= 8. Packing Info =
1936	1936
1937	1937
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1949	1949	* Package Size / pcs : 14.5 x 8 x 5 cm
1950	1950	* Weight / pcs : 170g
1951	1951
	1949	+
	1950	+
	1951	+
1952	1952	= 9. Support =
1953	1953
1954	1954	* (((