Summary

• Page properties (1 modified, 0 added, 0 removed)
• Attachments (0 modified, 0 added, 4 removed)
  • 1653968155772-850.png
  • 1653968164738-884.png
  • 1653968172068-832.png
  • image-20220531113415-1.png

Details

Page properties

Content

...	...	@@ -11,15 +11,12 @@
11	11
12	12
13	13
14		-
15		-
16		-
17	17	= 1.Introduction =
18	18
19	19	== 1.1 What is LT Series I/O Controller ==
20	20
21	21	(((
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.
	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.
23	23	)))
24	24
25	25	(((
...	...	@@ -27,7 +27,7 @@
27	27	)))
28	28
29	29	(((
30		-The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
	27	+The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
31	31	)))
32	32
33	33	(((
...	...	@@ -51,8 +51,6 @@
51	51	== 1.2  Specifications ==
52	52
53	53	(((
54		-
55		-
56	56	**Hardware System:**
57	57	)))
58	58
...	...	@@ -75,7 +75,6 @@
75	75	)))
76	76	)))
77	77
78		-
79	79	(((
80	80	**Interface for Model: LT22222-L:**
81	81	)))
...	...	@@ -99,7 +99,6 @@
99	99	Power Input 7~~ 24V DC.
100	100	)))
101	101
102		-
103	103	(((
104	104	**LoRa Spec:**
105	105	)))
...	...	@@ -164,8 +164,6 @@
164	164
165	165	)))
166	166
167		-
168		-
169	169	== 1.3 Features ==
170	170
171	171	* LoRaWAN Class A & Class C protocol
...	...	@@ -177,7 +177,6 @@
177	177	* Counting
178	178
179	179
180		-
181	181	== 1.4  Applications ==
182	182
183	183	* Smart Buildings & Home Automation
...	...	@@ -188,7 +188,6 @@
188	188	* Smart Factory
189	189
190	190
191		-
192	192	== 1.5 Hardware Variants ==
193	193
194	194	(% border="1" style="background-color:#f7faff; width:500px" %)
...	...	@@ -215,7 +215,6 @@
215	215	[[image:1653297104069-180.png]]
216	216
217	217
218		-
219	219	= 3. Operation Mode =
220	220
221	221	== 3.1 How it works? ==
...	...	@@ -230,8 +230,6 @@
230	230
231	231	)))
232	232
233		-
234		-
235	235	== 3.2 Example to join LoRaWAN network ==
236	236
237	237	(((
...	...	@@ -273,7 +273,6 @@
273	273	[[image:1653298044601-602.png||height="405" width="709"]]
274	274
275	275
276		-
277	277	== 3.3 Uplink Payload ==
278	278
279	279	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -286,7 +286,6 @@
286	286	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287	287
288	288
289		-
290	290	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291	291
292	292	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
...	...	@@ -322,7 +322,6 @@
322	322	* [1] RO1 relay channel is close and the RO1 LED is ON.
323	323	* [0] RO2 relay channel is open and RO2 LED is OFF;
324	324
325		-
326	326	**LT22222-L:**
327	327
328	328	* [1] DI2 channel is high input and DI2 LED is ON;
...	...	@@ -430,7 +430,6 @@
430	430	)))
431	431	)))
432	432
433		-
434	434	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
435	435
436	436	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -471,8 +471,6 @@
471	471
472	472	(((
473	473	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
474		-
475		-
476	476	)))
477	477
478	478	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
...	...	@@ -555,7 +555,6 @@
555	555	)))
556	556	)))
557	557
558		-
559	559	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
560	560
561	561	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -596,8 +596,6 @@
596	596
597	597	(((
598	598	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
599		-
600		-
601	601	)))
602	602
603	603	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
...	...	@@ -626,7 +626,6 @@
626	626
627	627	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
628	628
629		-
630	630	(% style="color:#4f81bd" %)**Trigger base on current**:
631	631
632	632	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
...	...	@@ -635,7 +635,6 @@
635	635
636	636	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
637	637
638		-
639	639	(% style="color:#4f81bd" %)**Trigger base on DI status**:
640	640
641	641	DI status trigger Flag.
...	...	@@ -722,13 +722,10 @@
722	722
723	723	When device got this command, it will send the MOD6 payload.
724	724
725		-
726	726	=== 3.3.7 Payload Decoder ===
727	727
728	728	(((
729	729	**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/]]
730		-
731		-
732	732	)))
733	733
734	734	== 3.4 ​Configure LT via AT or Downlink ==
...	...	@@ -739,7 +739,7 @@
739	739	There are two kinds of Commands:
740	740	)))
741	741
742		-* (% 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]]
	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
743	743
744	744	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
745	745
...	...	@@ -747,7 +747,6 @@
747	747
748	748	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]]
749	749
750		-
751	751	=== 3.4.2 Sensor related commands ===
752	752
753	753	==== 3.4.2.1 Set Transmit Interval ====
...	...	@@ -770,7 +770,6 @@
770	770	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
771	771	)))
772	772
773		-
774	774	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
775	775
776	776	Set work mode.
...	...	@@ -791,7 +791,6 @@
791	791	**0x0A aa     ~/~/ Same as AT+MOD=aa**
792	792	)))
793	793
794		-
795	795	==== 3.4.2.3 Poll an uplink ====
796	796
797	797	* AT Command:
...	...	@@ -807,10 +807,9 @@
807	807
808	808	**Example**: 0x08FF, ask device to send an Uplink
809	809
810		-
811	811	==== 3.4.2.4 Enable Trigger Mode ====
812	812
813		-Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	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]]
814	814
815	815	* AT Command:
816	816
...	...	@@ -830,7 +830,6 @@
830	830	**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
831	831	)))
832	832
833		-
834	834	==== 3.4.2.5 Poll trigger settings ====
835	835
836	836	Poll trigger settings,
...	...	@@ -846,7 +846,6 @@
846	846	**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
847	847	)))
848	848
849		-
850	850	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
851	851
852	852	Enable Disable DI1/DI2/DI2 as trigger,
...	...	@@ -869,7 +869,6 @@
869	869	**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
870	870	)))
871	871
872		-
873	873	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
874	874
875	875	Set DI1 or DI3(for LT-33222-L) trigger.
...	...	@@ -896,7 +896,6 @@
896	896	**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
897	897	)))
898	898
899		-
900	900	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
901	901
902	902	Set DI2 trigger.
...	...	@@ -923,10 +923,9 @@
923	923	**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
924	924	)))
925	925
926		-
927	927	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
928	928
929		-Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	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]]
930	930
931	931	* AT Command:
932	932
...	...	@@ -939,19 +939,18 @@
939	939
940	940	(% class="box infomessage" %)
941	941	(((
942		-**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	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]]**
943	943	)))
944	944
945		-
946	946	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
947	947
948		-Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	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]]
949	949
950	950	* AT Command:
951	951
952	952	(% class="box infomessage" %)
953	953	(((
954		-**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	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]]**
955	955	)))
956	956
957	957	* Downlink Payload (prefix 0xAA 00 ):
...	...	@@ -958,10 +958,9 @@
958	958
959	959	(% class="box infomessage" %)
960	960	(((
961		-**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
	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]] **
962	962	)))
963	963
964		-
965	965	==== 3.4.2.11 Trigger – Set minimum interval ====
966	966
967	967	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
...	...	@@ -980,7 +980,6 @@
980	980	**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
981	981	)))
982	982
983		-
984	984	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
985	985
986	986	* AT Command:
...	...	@@ -1155,13 +1155,13 @@
1155	1155
1156	1156	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1157	1157
1158		-When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	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]]
1159	1159
1160	1160	* AT Command:
1161	1161
1162	1162	(% class="box infomessage" %)
1163	1163	(((
1164		-**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
	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]]**
1165	1165	)))
1166	1166
1167	1167	* Downlink Payload (prefix 0xA5):
...	...	@@ -1171,7 +1171,6 @@
1171	1171	**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1172	1172	)))
1173	1173
1174		-
1175	1175	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1176	1176
1177	1177	* AT Command:
...	...	@@ -1196,7 +1196,6 @@
1196	1196	**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1197	1197	)))
1198	1198
1199		-
1200	1200	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1201	1201
1202	1202	Clear counting for counting mode
...	...	@@ -1215,7 +1215,6 @@
1215	1215	**0x A6 01     ~/~/ clear all counting,**
1216	1216	)))
1217	1217
1218		-
1219	1219	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1220	1220
1221	1221	* AT Command:
...	...	@@ -1234,8 +1234,6 @@
1234	1234
1235	1235	(((
1236	1236	range: aa bb cc:0 to 16777215,  (unit:second)
1237		-
1238		-
1239	1239	)))
1240	1240
1241	1241	== 3.5 Integrate with Mydevice ==
...	...	@@ -1256,7 +1256,6 @@
1256	1256
1257	1257	[[image:image-20220524094641-12.png||height="402" width="718"]]
1258	1258
1259		-
1260	1260	**Step 3**: Create an account or log in Mydevices.
1261	1261
1262	1262	**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
...	...	@@ -1265,7 +1265,6 @@
1265	1265
1266	1266	[[image:1653356838789-523.png||height="337" width="740"]]
1267	1267
1268		-
1269	1269	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1270	1270
1271	1271	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1278,7 +1278,6 @@
1278	1278
1279	1279	[[image:image-20220524094909-5.png||height="341" width="734"]]
1280	1280
1281		-
1282	1282	== 3.6 Interface Detail ==
1283	1283
1284	1284	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1287,7 +1287,6 @@
1287	1287
1288	1288	[[image:1653356991268-289.png]]
1289	1289
1290		-
1291	1291	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1292	1292
1293	1293	(((
...	...	@@ -1303,105 +1303,51 @@
1303	1303	[[image:1653357170703-587.png]]
1304	1304
1305	1305	(((
1306		-(((
1307	1307	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1308	1308	)))
1309		-)))
1310	1310
1311		-(((
1312		-
1313		-)))
1314	1314
1315		-(((
1316	1316	**Example1**: Connect to a Low active sensor.
1317		-)))
1318	1318
1319		-(((
1320	1320	This type of sensor will output a low signal GND when active.
1321		-)))
1322	1322
1323		-* (((
1324		-Connect sensor’s output to DI1-
1325		-)))
1326		-* (((
1327		-Connect sensor’s VCC to DI1+.
1328		-)))
	1265	+* Connect sensor’s output to DI1-
	1266	+* Connect sensor’s VCC to DI1+.
1329	1329
1330		-(((
1331		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
1332		-)))
	1268	+So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1333	1333
1334		-(((
1335		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1336		-)))
	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.**
1337	1337
1338		-(((
1339		-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.
1340		-)))
	1272	+If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1341	1341
1342		-(((
1343		-
1344		-)))
1345	1345
1346		-(((
1347	1347	**Example2**: Connect to a High active sensor.
1348		-)))
1349	1349
1350		-(((
1351	1351	This type of sensor will output a high signal (example 24v) when active.
1352		-)))
1353	1353
1354		-* (((
1355		-Connect sensor’s output to DI1+
1356		-)))
1357		-* (((
1358		-Connect sensor’s GND DI1-.
1359		-)))
	1279	+* Connect sensor’s output to DI1+
	1280	+* Connect sensor’s GND DI1-.
1360	1360
1361		-(((
1362	1362	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1363		-)))
1364	1364
1365		-(((
1366		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1367		-)))
	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.**
1368	1368
1369		-(((
1370		-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.
1371		-)))
	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.
1372	1372
1373		-(((
1374		-
1375		-)))
1376	1376
1377		-(((
1378	1378	**Example3**: Connect to a 220v high active sensor.
1379		-)))
1380	1380
1381		-(((
1382	1382	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1383		-)))
1384	1384
1385		-* (((
1386		-Connect sensor’s output to DI1+ with a serial 50K resistor
1387		-)))
1388		-* (((
1389		-Connect sensor’s GND DI1-.
1390		-)))
	1293	+* Connect sensor’s output to DI1+ with a serial 50K resistor
	1294	+* Connect sensor’s GND DI1-.
1391	1391
1392		-(((
1393	1393	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1394		-)))
1395	1395
1396		-(((
1397		- [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1398		-)))
	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.**
1399	1399
1400		-(((
1401		-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.
1402		-)))
	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.
1403	1403
1404		-
1405	1405	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1406	1406
1407	1407	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
...	...	@@ -1408,7 +1408,6 @@
1408	1408
1409	1409	[[image:1653357531600-905.png]]
1410	1410
1411		-
1412	1412	=== 3.6.4 Analog Input Interface ===
1413	1413
1414	1414	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:
...	...	@@ -1436,7 +1436,6 @@
1436	1436
1437	1437	[[image:1653357648330-671.png||height="155" width="733"]]
1438	1438
1439		-
1440	1440	=== 3.6.5 Relay Output ===
1441	1441
1442	1442	(((
...	...	@@ -1447,12 +1447,10 @@
1447	1447
1448	1448	[[image:image-20220524100215-10.png||height="382" width="723"]]
1449	1449
1450		-
1451	1451	== 3.7 LEDs Indicators ==
1452	1452
1453	1453	[[image:image-20220524100748-11.png]]
1454	1454
1455		-
1456	1456	= 4. Use AT Command =
1457	1457
1458	1458	== 4.1 Access AT Command ==
...	...	@@ -1653,8 +1653,6 @@
1653	1653
1654	1654	(((
1655	1655	AT+CFG: Print all settings
1656		-
1657		-
1658	1658	)))
1659	1659
1660	1660	== 4.2 Common AT Command Sequence ==
...	...	@@ -1696,8 +1696,6 @@
1696	1696
1697	1697	(((
1698	1698	(% style="background-color:#dcdcdc" %)ATZ
1699		-
1700		-
1701	1701	)))
1702	1702
1703	1703	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
...	...	@@ -1779,7 +1779,6 @@
1779	1779	(% style="background-color:#dcdcdc" %)AT+CLASS=A
1780	1780	ATZ
1781	1781
1782		-
1783	1783	= 5. FAQ =
1784	1784
1785	1785	== 5.1 How to upgrade the image? ==
...	...	@@ -1810,7 +1810,6 @@
1810	1810
1811	1811	[[image:1653360054704-518.png||height="186" width="745"]]
1812	1812
1813		-
1814	1814	(((
1815	1815	(((
1816	1816	== 5.2 How to change the LoRa Frequency Bands/Region? ==
...	...	@@ -1819,8 +1819,6 @@
1819	1819
1820	1820	(((
1821	1821	User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1822		-
1823		-
1824	1824	)))
1825	1825
1826	1826	(((
...	...	@@ -1874,18 +1874,10 @@
1874	1874
1875	1875	[[image:1653360498588-932.png||height="485" width="726"]]
1876	1876
1877		-
1878	1878	== 5.4 Can I see counting event in Serial? ==
1879	1879
1880	1880	(((
1881	1881	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.
1882		-
1883		-
1884		-== 5.5 Can i use point to point communication for LT-22222-L? ==
1885		-
1886		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1887		-
1888		-
1889	1889	)))
1890	1890
1891	1891	(((
...	...	@@ -1899,8 +1899,10 @@
1899	1899	)))
1900	1900
1901	1901	(((
1902		-Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
	1779	+Please see this link for how to debug:
1903	1903
	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	+
1904	1904
1905	1905	)))
1906	1906
...	...	@@ -1909,7 +1909,9 @@
1909	1909	)))
1910	1910
1911	1911	(((
1912		-See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	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/]]
1913	1913	)))
1914	1914
1915	1915	(((
...	...	@@ -1921,7 +1921,9 @@
1921	1921	)))
1922	1922
1923	1923	(((
1924		-It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	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]]
1925	1925	)))
1926	1926
1927	1927	(((
...	...	@@ -1995,8 +1995,6 @@
1995	1995	(((
1996	1996	* (((
1997	1997	(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1998		-
1999		-
2000	2000	)))
2001	2001
2002	2002	= 8. Packing Info =
...	...	@@ -2029,8 +2029,6 @@
2029	2029	* Device Weight: 105g
2030	2030	* Package Size / pcs : 14.5 x 8 x 5 cm
2031	2031	* Weight / pcs : 170g
2032		-
2033		-
2034	2034	)))
2035	2035	)))
2036	2036
...	...	@@ -2052,8 +2052,6 @@
2052	2052	(((
2053	2053	(((
2054	2054	[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2055		-
2056		-
2057	2057	)))
2058	2058
2059	2059	(((

1653968155772-850.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-886 bytes

Content

1653968164738-884.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-886 bytes

Content

1653968172068-832.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-886 bytes

Content

image-20220531113415-1.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-172 bytes

Content