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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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182	182	* Counting
183	183
184	184
185		-
186		-
187		-
188	188	== 1.4  Applications ==
189	189
190	190	* Smart Buildings & Home Automation
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195	195	* Smart Factory
196	196
197	197
198		-
199		-
200		-
201	201	== 1.5 Hardware Variants ==
202	202
203	203	(% border="1" style="background-color:#f7faff; width:500px" %)
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212	212	)))
213	213
214	214
215		-
216	216	= 2. Power ON Device =
217	217
218	218	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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230	230	== 3.1 How it works? ==
231	231
232	232	(((
233		-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.
	224	+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.
234	234	)))
235	235
236	236	(((
237		-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.
	228	+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.
238	238	)))
239	239
240	240
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286	286
287	287	There are five working modes + one interrupt mode on LT for different type application:
288	288
289		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
290		-* **MOD2**: Double DI Counting + DO + RO
291		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
292		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
293		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
294		-* **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
295	295
296	296
297	297
298		-
299		-
300		-
301	301	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
302	302
303	303	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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336	336	* [1] RO1 relay channel is close and the RO1 LED is ON.
337	337	* [0] RO2 relay channel is open and RO2 LED is OFF;
338	338
339		-
340	340	**LT22222-L:**
341	341
342	342	* [1] DI2 channel is high input and DI2 LED is ON;
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352	352	** DO1 is high in case there is load between DO1 and V+.
353	353	** DO1 LED is off in both case
354	354
355		-
356		-
357		-
358		-
359		-
360	360	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
361	361
362	362
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862	862	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
863	863	* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
864	864
865		-
866		-
867	867	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
868	868
869	869	Set DI2 trigger.
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935	935
936	936	**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
937	937
	918	+(((
	919	+
938	938
	921	+(% style="color:red" %)Note: ATDC setting must be more than 5min
	922	+)))
939	939
940	940
	925	+
941	941	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
942	942
943	943	* (% style="color:#037691" %)**AT Command**
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1924	1924	)))
1925	1925
1926	1926
1927		-
1928	1928	= 7. Order Info =
1929	1929
1930		-
1931	1931	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1932	1932
1933	1933
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1943	1943	* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1944	1944	* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1945	1945
1946		-
1947		-
1948	1948	= 8. Packing Info =
1949	1949
1950	1950
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1962	1962	* Package Size / pcs : 14.5 x 8 x 5 cm
1963	1963	* Weight / pcs : 170g
1964	1964
1965		-
1966		-
1967	1967	= 9. Support =
1968	1968
1969	1969	* (((