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41	41
42	42	(((
43	43	[[image:1653295757274-912.png]]
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44	44	)))
45	45
46	46	== 1.2  Specifications ==
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151	151	)))
152	152	* (((
153	153	Packet engine up to 256 bytes with CRC.
	156	+
	157	+
154	154	)))
155	155
156	156	== 1.3 Features ==
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163	163	* Firmware upgradable via program port
164	164	* Counting
165	165
	170	+
166	166	== 1.4  Applications ==
167	167
168	168	* Smart Buildings & Home Automation
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172	172	* Smart Cities
173	173	* Smart Factory
174	174
	180	+
175	175	== 1.5 Hardware Variants ==
176	176
177	177	(% border="1" style="background-color:#f7faff; width:500px" %)
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185	185	* 1 x Counting Port
186	186	)))
187	187
	194	+
	195	+
188	188	= 2. Power ON Device =
189	189
190	190	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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195	195
196	196	[[image:1653297104069-180.png]]
197	197
	206	+
198	198	= 3. Operation Mode =
199	199
200	200	== 3.1 How it works? ==
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205	205
206	206	(((
207	207	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.
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	218	+
208	208	)))
209	209
210	210	== 3.2 Example to join LoRaWAN network ==
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235	235
236	236	[[image:1653297955910-247.png||height="321" width="716"]]
237	237
	249	+
238	238	Add APP KEY and DEV EUI
239	239
240	240	[[image:1653298023685-319.png]]
241	241
	254	+
242	242	(((
243	243	**Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
244	244	)))
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245	245
246	246	[[image:1653298044601-602.png||height="405" width="709"]]
247	247
	261	+
248	248	== 3.3 Uplink Payload ==
249	249
250	250	There are five working modes + one interrupt mode on LT for different type application:
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256	256	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
257	257	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
258	258
	273	+
259	259	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
260	260
261	261	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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291	291	* [1] RO1 relay channel is close and the RO1 LED is ON.
292	292	* [0] RO2 relay channel is open and RO2 LED is OFF;
293	293
	309	+
294	294	**LT22222-L:**
295	295
296	296	* [1] DI2 channel is high input and DI2 LED is ON;
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306	306	** DO1 is high in case there is load between DO1 and V+.
307	307	** DO1 LED is off in both case
308	308
	325	+
309	309	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
310	310
311	311	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
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398	398	)))
399	399	)))
400	400
	418	+
401	401	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
402	402
403	403	**LT22222-L**: This mode the DI1 is used as a counting pin.
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438	438
439	439	(((
440	440	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
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	460	+
441	441	)))
442	442
443	443	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
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520	520	)))
521	521	)))
522	522
	543	+
523	523	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
524	524
525	525	**LT22222-L**: This mode the DI1 is used as a counting pin.
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560	560
561	561	(((
562	562	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
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563	563	)))
564	564
565	565	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
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682	682
683	683	When device got this command, it will send the MOD6 payload.
684	684
	708	+
685	685	=== 3.3.7 Payload Decoder ===
686	686
687	687	(((
688	688	**Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
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689	689	)))
690	690
691	691	== 3.4 ​Configure LT via AT or Downlink ==
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700	700
701	701	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
702	702
	729	+
703	703	=== 3.4.1 Common Commands ===
704	704
705	705	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]]
706	706
	734	+
707	707	=== 3.4.2 Sensor related commands ===
708	708
709	709	==== 3.4.2.1 Set Transmit Interval ====
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726	726	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
727	727	)))
728	728
	757	+
729	729	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
730	730
731	731	Set work mode.
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746	746	**0x0A aa     ~/~/ Same as AT+MOD=aa**
747	747	)))
748	748
	778	+
749	749	==== 3.4.2.3 Poll an uplink ====
750	750
751	751	* AT Command:
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761	761
762	762	**Example**: 0x08FF, ask device to send an Uplink
763	763
	794	+
764	764	==== 3.4.2.4 Enable Trigger Mode ====
765	765
766	766	Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
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783	783	**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
784	784	)))
785	785
	817	+
786	786	==== 3.4.2.5 Poll trigger settings ====
787	787
788	788	Poll trigger settings,
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798	798	**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
799	799	)))
800	800
	833	+
801	801	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
802	802
803	803	Enable Disable DI1/DI2/DI2 as trigger,
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820	820	**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
821	821	)))
822	822
	856	+
823	823	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
824	824
825	825	Set DI1 or DI3(for LT-33222-L) trigger.
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846	846	**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
847	847	)))
848	848
	883	+
849	849	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
850	850
851	851	Set DI2 trigger.
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872	872	**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
873	873	)))
874	874
	910	+
875	875	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
876	876
877	877	Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
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890	890	**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
891	891	)))
892	892
	929	+
893	893	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
894	894
895	895	Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
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908	908	**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
909	909	)))
910	910
	948	+
911	911	==== 3.4.2.11 Trigger – Set minimum interval ====
912	912
913	913	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
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926	926	**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
927	927	)))
928	928
	967	+
929	929	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
930	930
931	931	* AT Command:
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1116	1116	**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1117	1117	)))
1118	1118
	1158	+
1119	1119	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1120	1120
1121	1121	* AT Command:
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1140	1140	**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1141	1141	)))
1142	1142
	1183	+
1143	1143	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1144	1144
1145	1145	Clear counting for counting mode
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1158	1158	**0x A6 01     ~/~/ clear all counting,**
1159	1159	)))
1160	1160
	1202	+
1161	1161	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1162	1162
1163	1163	* AT Command:
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1176	1176
1177	1177	(((
1178	1178	range: aa bb cc:0 to 16777215,  (unit:second)
	1221	+
	1222	+
1179	1179	)))
1180	1180
1181	1181	== 3.5 Integrate with Mydevice ==
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1204	1204
1205	1205	[[image:1653356838789-523.png||height="337" width="740"]]
1206	1206
	1251	+
1207	1207	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1208	1208
1209	1209	[[image:image-20220524094909-1.png||height="335" width="729"]]
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1216	1216
1217	1217	[[image:image-20220524094909-5.png||height="341" width="734"]]
1218	1218
	1264	+
1219	1219	== 3.6 Interface Detail ==
1220	1220
1221	1221	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
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1224	1224
1225	1225	[[image:1653356991268-289.png]]
1226	1226
	1273	+
1227	1227	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1228	1228
1229	1229	(((
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1284	1284
1285	1285	If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1286	1286
	1334	+
1287	1287	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1288	1288
1289	1289	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
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1290	1290
1291	1291	[[image:1653357531600-905.png]]
1292	1292
	1341	+
1293	1293	=== 3.6.4 Analog Input Interface ===
1294	1294
1295	1295	The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
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1317	1317
1318	1318	[[image:1653357648330-671.png||height="155" width="733"]]
1319	1319
	1369	+
1320	1320	=== 3.6.5 Relay Output ===
1321	1321
1322	1322	(((
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1327	1327
1328	1328	[[image:image-20220524100215-10.png||height="382" width="723"]]
1329	1329
	1380	+
1330	1330	== 3.7 LEDs Indicators ==
1331	1331
1332	1332	[[image:image-20220524100748-11.png]]
1333	1333
	1385	+
1334	1334	= 4. Use AT Command =
1335	1335
1336	1336	== 4.1 Access AT Command ==
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1531	1531
1532	1532	(((
1533	1533	AT+CFG: Print all settings
	1586	+
	1587	+
1534	1534	)))
1535	1535
1536	1536	== 4.2 Common AT Command Sequence ==
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1572	1572
1573	1573	(((
1574	1574	(% style="background-color:#dcdcdc" %)ATZ
	1629	+
	1630	+
1575	1575	)))
1576	1576
1577	1577	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
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1653	1653	(% style="background-color:#dcdcdc" %)AT+CLASS=A
1654	1654	ATZ
1655	1655
	1712	+
1656	1656	= 5. FAQ =
1657	1657
1658	1658	== 5.1 How to upgrade the image? ==
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1683	1683
1684	1684	[[image:1653360054704-518.png||height="186" width="745"]]
1685	1685
	1743	+
1686	1686	(((
1687	1687	(((
1688	1688	== 5.2 How to change the LoRa Frequency Bands/Region? ==
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1691	1691
1692	1692	(((
1693	1693	User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	1752	+
	1753	+
1694	1694	)))
1695	1695
1696	1696	(((
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1744	1744
1745	1745	[[image:1653360498588-932.png||height="485" width="726"]]
1746	1746
	1807	+
1747	1747	== 5.4 Can I see counting event in Serial? ==
1748	1748
1749	1749	(((
1750	1750	User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
	1812	+
	1813	+
1751	1751	)))
1752	1752
1753	1753	(((
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1863	1863	(((
1864	1864	* (((
1865	1865	(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	1929	+
	1930	+
1866	1866	)))
1867	1867
1868	1868	= 8. Packing Info =
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1895	1895	* Device Weight: 105g
1896	1896	* Package Size / pcs : 14.5 x 8 x 5 cm
1897	1897	* Weight / pcs : 170g
	1963	+
	1964	+
1898	1898	)))
1899	1899	)))
1900	1900
...	...	@@ -1916,6 +1916,8 @@
1916	1916	(((
1917	1917	(((
1918	1918	[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1986	+
	1987	+
1919	1919	)))
1920	1920
1921	1921	(((