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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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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
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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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204	204	)))
205	205
206	206
	207	+
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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221	221	== 3.1 How it works? ==
222	222
223	223	(((
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.
	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.
225	225	)))
226	226
227	227	(((
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.
	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.
229	229	)))
230	230
231	231
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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
	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
286	286
287		-
288		-
289	289	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
290	290
291	291	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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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
	567	+
568	568	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
569	569
570	570	(% style="color:#4f81bd" %)**Trigger base on voltage**:
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798	798
799	799	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
800	800
801		-**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
802	802
803	803
804	804
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844	844	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
845	845	* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
846	846
	847	+
	848	+
	849	+
847	847	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
848	848
849	849	Set DI2 trigger.
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908	908
909	909	* (% style="color:#037691" %)**AT Command**
910	910
911		-**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.
912	912
913	913
914	914	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
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915	915
916	916	**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
917	917
918		-(((
919		-
920	920
921		-(% style="color:red" %)Note: ATDC setting must be more than 5min
922		-)))
923	923
924	924
925		-
926	926	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
927	927
928	928	* (% style="color:#037691" %)**AT Command**
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1147	1147
1148	1148	* (% style="color:#037691" %)**AT Command:**
1149	1149
1150		-**AT+CLRCOUNT ** ~/~/ clear all counting
	1148	+(% style="color:#037691" %)​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1151	1151
1152	1152
1153	1153	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
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1405	1405	[[image:image-20220524100748-11.png]]
1406	1406
1407	1407
1408		-
1409	1409	= 4. Use AT Command =
1410	1410
1411	1411	== 4.1 Access AT Command ==
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1608	1608
1609	1609	(((
1610	1610	AT+CFG: Print all settings
	1608	+
	1609	+
1611	1611	)))
1612	1612
1613	1613
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1653	1653
1654	1654	(((
1655	1655	(% style="background-color:#dcdcdc" %)ATZ
	1655	+
	1656	+
1656	1656	)))
1657	1657
1658	1658
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1859	1859	== 5.5 Can i use point to point communication for LT-22222-L? ==
1860	1860
1861	1861	Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1862		-
1863		-
1864	1864	)))
1865	1865
1866	1866	(((
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1874	1874
1875	1875	After restart, the status before power failure will be read from flash.
1876	1876
1877		-
1878	1878	= 6. Trouble Shooting =
1879	1879	)))
1880	1880
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1909	1909	)))
1910	1910
1911	1911
	1910	+
1912	1912	= 7. Order Info =
1913	1913
	1913	+
1914	1914	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1915	1915
1916	1916
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1950	1950	)))
1951	1951	* (((
1952	1952	Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1953		-
1954		-
1955		-
1956		-
1957	1957	)))
1958	1958
1959	1959	= 10. Reference​​​​​ =