Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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...	...	@@ -11,12 +11,15 @@
11	11
12	12
13	13
	14	+
	15	+
	16	+
14	14	= 1.Introduction =
15	15
16	16	== 1.1 What is LT Series I/O Controller ==
17	17
18	18	(((
19		-The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
	22	+The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
20	20	)))
21	21
22	22	(((
...	...	@@ -24,7 +24,7 @@
24	24	)))
25	25
26	26	(((
27		-The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
	30	+The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
28	28	)))
29	29
30	30	(((
...	...	@@ -48,6 +48,8 @@
48	48	== 1.2  Specifications ==
49	49
50	50	(((
	54	+
	55	+
51	51	**Hardware System:**
52	52	)))
53	53
...	...	@@ -70,6 +70,7 @@
70	70	)))
71	71	)))
72	72
	78	+
73	73	(((
74	74	**Interface for Model: LT22222-L:**
75	75	)))
...	...	@@ -93,6 +93,7 @@
93	93	Power Input 7~~ 24V DC.
94	94	)))
95	95
	102	+
96	96	(((
97	97	**LoRa Spec:**
98	98	)))
...	...	@@ -157,6 +157,8 @@
157	157
158	158	)))
159	159
	167	+
	168	+
160	160	== 1.3 Features ==
161	161
162	162	* LoRaWAN Class A & Class C protocol
...	...	@@ -168,6 +168,7 @@
168	168	* Counting
169	169
170	170
	180	+
171	171	== 1.4  Applications ==
172	172
173	173	* Smart Buildings & Home Automation
...	...	@@ -178,6 +178,7 @@
178	178	* Smart Factory
179	179
180	180
	191	+
181	181	== 1.5 Hardware Variants ==
182	182
183	183	(% border="1" style="background-color:#f7faff; width:500px" %)
...	...	@@ -204,6 +204,7 @@
204	204	[[image:1653297104069-180.png]]
205	205
206	206
	218	+
207	207	= 3. Operation Mode =
208	208
209	209	== 3.1 How it works? ==
...	...	@@ -218,6 +218,8 @@
218	218
219	219	)))
220	220
	233	+
	234	+
221	221	== 3.2 Example to join LoRaWAN network ==
222	222
223	223	(((
...	...	@@ -259,6 +259,7 @@
259	259	[[image:1653298044601-602.png||height="405" width="709"]]
260	260
261	261
	276	+
262	262	== 3.3 Uplink Payload ==
263	263
264	264	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -271,6 +271,7 @@
271	271	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
272	272
273	273
	289	+
274	274	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
275	275
276	276	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
...	...	@@ -306,6 +306,7 @@
306	306	* [1] RO1 relay channel is close and the RO1 LED is ON.
307	307	* [0] RO2 relay channel is open and RO2 LED is OFF;
308	308
	325	+
309	309	**LT22222-L:**
310	310
311	311	* [1] DI2 channel is high input and DI2 LED is ON;
...	...	@@ -321,6 +321,8 @@
321	321	** DO1 is high in case there is load between DO1 and V+.
322	322	** DO1 LED is off in both case
323	323
	341	+
	342	+
324	324	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
325	325
326	326	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
...	...	@@ -413,6 +413,8 @@
413	413	)))
414	414	)))
415	415
	435	+
	436	+
416	416	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
417	417
418	418	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -453,8 +453,12 @@
453	453
454	454	(((
455	455	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	477	+
	478	+
456	456	)))
457	457
	481	+
	482	+
458	458	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
459	459
460	460	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -535,6 +535,8 @@
535	535	)))
536	536	)))
537	537
	563	+
	564	+
538	538	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
539	539
540	540	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -575,8 +575,12 @@
575	575
576	576	(((
577	577	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	605	+
	606	+
578	578	)))
579	579
	609	+
	610	+
580	580	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
581	581
582	582	(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
...	...	@@ -603,6 +603,7 @@
603	603
604	604	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
605	605
	637	+
606	606	(% style="color:#4f81bd" %)**Trigger base on current**:
607	607
608	608	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
...	...	@@ -611,6 +611,7 @@
611	611
612	612	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
613	613
	646	+
614	614	(% style="color:#4f81bd" %)**Trigger base on DI status**:
615	615
616	616	DI status trigger Flag.
...	...	@@ -697,12 +697,18 @@
697	697
698	698	When device got this command, it will send the MOD6 payload.
699	699
	733	+
	734	+
700	700	=== 3.3.7 Payload Decoder ===
701	701
702	702	(((
703	703	**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/]]
	739	+
	740	+
704	704	)))
705	705
	743	+
	744	+
706	706	== 3.4 ​Configure LT via AT or Downlink ==
707	707
708	708	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
...	...	@@ -711,14 +711,18 @@
711	711	There are two kinds of Commands:
712	712	)))
713	713
714		-* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
	753	+* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
715	715
716	716	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
717	717
	757	+
	758	+
718	718	=== 3.4.1 Common Commands ===
719	719
720	720	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]]
721	721
	763	+
	764	+
722	722	=== 3.4.2 Sensor related commands ===
723	723
724	724	==== 3.4.2.1 Set Transmit Interval ====
...	...	@@ -741,6 +741,8 @@
741	741	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
742	742	)))
743	743
	787	+
	788	+
744	744	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
745	745
746	746	Set work mode.
...	...	@@ -761,6 +761,8 @@
761	761	**0x0A aa     ~/~/ Same as AT+MOD=aa**
762	762	)))
763	763
	809	+
	810	+
764	764	==== 3.4.2.3 Poll an uplink ====
765	765
766	766	* AT Command:
...	...	@@ -776,9 +776,11 @@
776	776
777	777	**Example**: 0x08FF, ask device to send an Uplink
778	778
	826	+
	827	+
779	779	==== 3.4.2.4 Enable Trigger Mode ====
780	780
781		-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]]
	830	+Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
782	782
783	783	* AT Command:
784	784
...	...	@@ -798,6 +798,8 @@
798	798	**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
799	799	)))
800	800
	850	+
	851	+
801	801	==== 3.4.2.5 Poll trigger settings ====
802	802
803	803	Poll trigger settings,
...	...	@@ -813,6 +813,8 @@
813	813	**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
814	814	)))
815	815
	867	+
	868	+
816	816	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
817	817
818	818	Enable Disable DI1/DI2/DI2 as trigger,
...	...	@@ -835,6 +835,8 @@
835	835	**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
836	836	)))
837	837
	891	+
	892	+
838	838	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
839	839
840	840	Set DI1 or DI3(for LT-33222-L) trigger.
...	...	@@ -861,6 +861,8 @@
861	861	**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
862	862	)))
863	863
	919	+
	920	+
864	864	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
865	865
866	866	Set DI2 trigger.
...	...	@@ -887,9 +887,11 @@
887	887	**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
888	888	)))
889	889
	947	+
	948	+
890	890	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
891	891
892		-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]]
	951	+Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
893	893
894	894	* AT Command:
895	895
...	...	@@ -902,18 +902,20 @@
902	902
903	903	(% class="box infomessage" %)
904	904	(((
905		-**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]]**
	964	+**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
906	906	)))
907	907
	967	+
	968	+
908	908	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
909	909
910		-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]]
	971	+Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
911	911
912	912	* AT Command:
913	913
914	914	(% class="box infomessage" %)
915	915	(((
916		-**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]]**
	977	+**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
917	917	)))
918	918
919	919	* Downlink Payload (prefix 0xAA 00 ):
...	...	@@ -920,9 +920,11 @@
920	920
921	921	(% class="box infomessage" %)
922	922	(((
923		-**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]] **
	984	+**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
924	924	)))
925	925
	987	+
	988	+
926	926	==== 3.4.2.11 Trigger – Set minimum interval ====
927	927
928	928	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
...	...	@@ -941,6 +941,8 @@
941	941	**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
942	942	)))
943	943
	1007	+
	1008	+
944	944	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
945	945
946	946	* AT Command:
...	...	@@ -973,6 +973,7 @@
973	973	)))
974	974
975	975
	1041	+
976	976	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
977	977
978	978	* AT Command:
...	...	@@ -1035,6 +1035,7 @@
1035	1035	DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1036	1036
1037	1037
	1104	+
1038	1038	=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1039	1039
1040	1040	* AT Command:
...	...	@@ -1063,6 +1063,7 @@
1063	1063	Device will upload a packet if downlink code executes successfully.
1064	1064
1065	1065
	1133	+
1066	1066	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1067	1067
1068	1068	* AT Command:
...	...	@@ -1113,15 +1113,16 @@
1113	1113	Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1114	1114
1115	1115
	1184	+
1116	1116	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1117	1117
1118		-When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
	1187	+When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1119	1119
1120	1120	* AT Command:
1121	1121
1122	1122	(% class="box infomessage" %)
1123	1123	(((
1124		-**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
	1193	+**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1125	1125	)))
1126	1126
1127	1127	* Downlink Payload (prefix 0xA5):
...	...	@@ -1131,6 +1131,8 @@
1131	1131	**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1132	1132	)))
1133	1133
	1203	+
	1204	+
1134	1134	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1135	1135
1136	1136	* AT Command:
...	...	@@ -1155,6 +1155,8 @@
1155	1155	**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1156	1156	)))
1157	1157
	1229	+
	1230	+
1158	1158	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1159	1159
1160	1160	Clear counting for counting mode
...	...	@@ -1173,6 +1173,8 @@
1173	1173	**0x A6 01     ~/~/ clear all counting,**
1174	1174	)))
1175	1175
	1249	+
	1250	+
1176	1176	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1177	1177
1178	1178	* AT Command:
...	...	@@ -1191,8 +1191,12 @@
1191	1191
1192	1192	(((
1193	1193	range: aa bb cc:0 to 16777215,  (unit:second)
	1269	+
	1270	+
1194	1194	)))
1195	1195
	1273	+
	1274	+
1196	1196	== 3.5 Integrate with Mydevice ==
1197	1197
1198	1198	Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
...	...	@@ -1211,6 +1211,7 @@
1211	1211
1212	1212	[[image:image-20220524094641-12.png||height="402" width="718"]]
1213	1213
	1293	+
1214	1214	**Step 3**: Create an account or log in Mydevices.
1215	1215
1216	1216	**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
...	...	@@ -1219,6 +1219,7 @@
1219	1219
1220	1220	[[image:1653356838789-523.png||height="337" width="740"]]
1221	1221
	1302	+
1222	1222	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1223	1223
1224	1224	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1231,6 +1231,8 @@
1231	1231
1232	1232	[[image:image-20220524094909-5.png||height="341" width="734"]]
1233	1233
	1315	+
	1316	+
1234	1234	== 3.6 Interface Detail ==
1235	1235
1236	1236	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1239,6 +1239,8 @@
1239	1239
1240	1240	[[image:1653356991268-289.png]]
1241	1241
	1325	+
	1326	+
1242	1242	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1243	1243
1244	1244	(((
...	...	@@ -1254,51 +1254,106 @@
1254	1254	[[image:1653357170703-587.png]]
1255	1255
1256	1256	(((
	1342	+(((
1257	1257	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1258	1258	)))
	1345	+)))
1259	1259
	1347	+(((
	1348	+
	1349	+)))
1260	1260
	1351	+(((
1261	1261	**Example1**: Connect to a Low active sensor.
	1353	+)))
1262	1262
	1355	+(((
1263	1263	This type of sensor will output a low signal GND when active.
	1357	+)))
1264	1264
1265		-* Connect sensor’s output to DI1-
1266		-* Connect sensor’s VCC to DI1+.
	1359	+* (((
	1360	+Connect sensor’s output to DI1-
	1361	+)))
	1362	+* (((
	1363	+Connect sensor’s VCC to DI1+.
	1364	+)))
1267	1267
1268		-So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
	1366	+(((
	1367	+So when sensor active, the current between NEC2501 pin1 and pin2 is：
	1368	+)))
1269	1269
1270		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
	1370	+(((
	1371	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
	1372	+)))
1271	1271
1272		-If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
	1374	+(((
	1375	+If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
	1376	+)))
1273	1273
	1378	+(((
	1379	+
	1380	+)))
1274	1274
	1382	+(((
1275	1275	**Example2**: Connect to a High active sensor.
	1384	+)))
1276	1276
	1386	+(((
1277	1277	This type of sensor will output a high signal (example 24v) when active.
	1388	+)))
1278	1278
1279		-* Connect sensor’s output to DI1+
1280		-* Connect sensor’s GND DI1-.
	1390	+* (((
	1391	+Connect sensor’s output to DI1+
	1392	+)))
	1393	+* (((
	1394	+Connect sensor’s GND DI1-.
	1395	+)))
1281	1281
	1397	+(((
1282	1282	So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1399	+)))
1283	1283
1284		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
	1401	+(((
	1402	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
	1403	+)))
1285	1285
1286		-If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
	1405	+(((
	1406	+If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
	1407	+)))
1287	1287
	1409	+(((
	1410	+
	1411	+)))
1288	1288
	1413	+(((
1289	1289	**Example3**: Connect to a 220v high active sensor.
	1415	+)))
1290	1290
	1417	+(((
1291	1291	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
	1419	+)))
1292	1292
1293		-* Connect sensor’s output to DI1+ with a serial 50K resistor
1294		-* Connect sensor’s GND DI1-.
	1421	+* (((
	1422	+Connect sensor’s output to DI1+ with a serial 50K resistor
	1423	+)))
	1424	+* (((
	1425	+Connect sensor’s GND DI1-.
	1426	+)))
1295	1295
	1428	+(((
1296	1296	So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1430	+)))
1297	1297
1298		- [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
	1432	+(((
	1433	+ [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
	1434	+)))
1299	1299
1300		-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.
	1436	+(((
	1437	+If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% 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.
	1438	+)))
1301	1301
	1440	+
	1441	+
1302	1302	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1303	1303
1304	1304	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
...	...	@@ -1305,6 +1305,8 @@
1305	1305
1306	1306	[[image:1653357531600-905.png]]
1307	1307
	1448	+
	1449	+
1308	1308	=== 3.6.4 Analog Input Interface ===
1309	1309
1310	1310	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:
...	...	@@ -1332,6 +1332,8 @@
1332	1332
1333	1333	[[image:1653357648330-671.png||height="155" width="733"]]
1334	1334
	1477	+
	1478	+
1335	1335	=== 3.6.5 Relay Output ===
1336	1336
1337	1337	(((
...	...	@@ -1342,10 +1342,12 @@
1342	1342
1343	1343	[[image:image-20220524100215-10.png||height="382" width="723"]]
1344	1344
	1489	+
1345	1345	== 3.7 LEDs Indicators ==
1346	1346
1347	1347	[[image:image-20220524100748-11.png]]
1348	1348
	1494	+
1349	1349	= 4. Use AT Command =
1350	1350
1351	1351	== 4.1 Access AT Command ==
...	...	@@ -1546,6 +1546,8 @@
1546	1546
1547	1547	(((
1548	1548	AT+CFG: Print all settings
	1695	+
	1696	+
1549	1549	)))
1550	1550
1551	1551	== 4.2 Common AT Command Sequence ==
...	...	@@ -1587,6 +1587,8 @@
1587	1587
1588	1588	(((
1589	1589	(% style="background-color:#dcdcdc" %)ATZ
	1738	+
	1739	+
1590	1590	)))
1591	1591
1592	1592	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
...	...	@@ -1668,6 +1668,7 @@
1668	1668	(% style="background-color:#dcdcdc" %)AT+CLASS=A
1669	1669	ATZ
1670	1670
	1821	+
1671	1671	= 5. FAQ =
1672	1672
1673	1673	== 5.1 How to upgrade the image? ==
...	...	@@ -1698,6 +1698,7 @@
1698	1698
1699	1699	[[image:1653360054704-518.png||height="186" width="745"]]
1700	1700
	1852	+
1701	1701	(((
1702	1702	(((
1703	1703	== 5.2 How to change the LoRa Frequency Bands/Region? ==
...	...	@@ -1706,6 +1706,8 @@
1706	1706
1707	1707	(((
1708	1708	User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	1861	+
	1862	+
1709	1709	)))
1710	1710
1711	1711	(((
...	...	@@ -1759,10 +1759,18 @@
1759	1759
1760	1760	[[image:1653360498588-932.png||height="485" width="726"]]
1761	1761
	1916	+
1762	1762	== 5.4 Can I see counting event in Serial? ==
1763	1763
1764	1764	(((
1765	1765	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.
	1921	+
	1922	+
	1923	+== 5.5 Can i use point to point communication for LT-22222-L? ==
	1924	+
	1925	+Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
	1926	+
	1927	+
1766	1766	)))
1767	1767
1768	1768	(((
...	...	@@ -1776,10 +1776,8 @@
1776	1776	)))
1777	1777
1778	1778	(((
1779		-Please see this link for how to debug:
	1941	+Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1780	1780
1781		-[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1782		-
1783	1783
1784	1784	)))
1785	1785
...	...	@@ -1788,9 +1788,7 @@
1788	1788	)))
1789	1789
1790	1790	(((
1791		-See this link for trouble shooting:
1792		-
1793		-[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
	1951	+See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1794	1794	)))
1795	1795
1796	1796	(((
...	...	@@ -1802,9 +1802,7 @@
1802	1802	)))
1803	1803
1804	1804	(((
1805		-It might be about the channels mapping. Please see this link for detail:
1806		-
1807		-[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
	1963	+It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1808	1808	)))
1809	1809
1810	1810	(((
...	...	@@ -1878,6 +1878,8 @@
1878	1878	(((
1879	1879	* (((
1880	1880	(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	2037	+
	2038	+
1881	1881	)))
1882	1882
1883	1883	= 8. Packing Info =
...	...	@@ -1910,6 +1910,8 @@
1910	1910	* Device Weight: 105g
1911	1911	* Package Size / pcs : 14.5 x 8 x 5 cm
1912	1912	* Weight / pcs : 170g
	2071	+
	2072	+
1913	1913	)))
1914	1914	)))
1915	1915
...	...	@@ -1931,6 +1931,8 @@
1931	1931	(((
1932	1932	(((
1933	1933	[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	2094	+
	2095	+
1934	1934	)))
1935	1935
1936	1936	(((

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