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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 230.15
edited by Xiaoling
on 2024/12/09 10:52
Change comment: There is no comment for this version
To version 230.12
edited by Xiaoling
on 2024/12/09 10:15
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -99,6 +99,7 @@
99 99  * Packet engine up to 256 bytes with CRC.
100 100  
101 101  
102 +
102 102  == 1.3 Features ==
103 103  
104 104  
... ... @@ -111,6 +111,7 @@
111 111  * Counting
112 112  
113 113  
115 +
114 114  == 1.4 Applications ==
115 115  
116 116  
... ... @@ -122,6 +122,7 @@
122 122  * Smart factory
123 123  
124 124  
127 +
125 125  == 1.5 Hardware Variants ==
126 126  
127 127  
... ... @@ -129,7 +129,7 @@
129 129  |(% style="background-color:#4f81bd; color:white; width:94px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:172px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:244px" %)**Description**
130 130  |(% style="width:94px" %)**LT-22222-L**|(% style="width:172px" %)(((
131 131  (% style="text-align:center" %)
132 -[[image:lt33222-l.jpg||height="110" width="95"]]
135 +[[image:lt33222-l.jpg||height="116" width="100"]]
133 133  )))|(% style="width:256px" %)(((
134 134  * 2 x Digital Input (Bi-direction)
135 135  * 2 x Digital Output
... ... @@ -139,12 +139,10 @@
139 139  * 1 x Counting Port
140 140  )))
141 141  
142 -
143 143  = 2. Assembling the device =
144 144  
145 145  == 2.1 Connecting the antenna ==
146 146  
147 -
148 148  Connect the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise.
149 149  
150 150  {{warning}}
... ... @@ -151,37 +151,35 @@
151 151  **Warning! Do not power on the device without connecting the antenna.**
152 152  {{/warning}}
153 153  
154 -
155 155  == 2.2 Terminals ==
156 156  
157 -
158 158  The  LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 screw terminals and the lower screw terminal block has 10 screw terminals.
159 159  
160 160  **Upper screw terminal block (from left to right):**
161 161  
162 -(% border="1" cellspacing="3" style="width:381px;background-color:#f2f2f2" %)
163 -|=(% style="width: 139px;background-color:#4f81bd;color:white" %)Screw Terminal|=(% style="width: 242px;background-color:#4f81bd;color:white" %)Function
164 -|(% style="width:139px" %)GND|(% style="width:242px" %)Ground
165 -|(% style="width:139px" %)VIN|(% style="width:242px" %)Input Voltage
166 -|(% style="width:139px" %)AVI2|(% style="width:242px" %)Analog Voltage Input Terminal 2
167 -|(% style="width:139px" %)AVI1|(% style="width:242px" %)Analog Voltage Input Terminal 1
168 -|(% style="width:139px" %)ACI2|(% style="width:242px" %)Analog Current Input Terminal 2
169 -|(% style="width:139px" %)ACI1|(% style="width:242px" %)Analog Current Input Terminal 1
161 +(% style="width:634px" %)
162 +|=(% style="width: 295px;" %)Screw Terminal|=(% style="width: 338px;" %)Function
163 +|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
164 +|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
165 +|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
166 +|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
167 +|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
168 +|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
170 170  
171 171  **Lower screw terminal block (from left to right):**
172 172  
173 -(% border="1" cellspacing="3" style="width:253px;background-color:#f2f2f2" %)
174 -|=(% style="width: 125px;background-color:#4f81bd;color:white" %)Screw Terminal|=(% style="width: 128px;background-color:#4f81bd;color:white" %)Function
175 -|(% style="width:125px" %)RO1-2|(% style="width:128px" %)Relay Output 1
176 -|(% style="width:125px" %)RO1-1|(% style="width:128px" %)Relay Output 1
177 -|(% style="width:125px" %)RO2-2|(% style="width:128px" %)Relay Output 2
178 -|(% style="width:125px" %)RO2-1|(% style="width:128px" %)Relay Output 2
179 -|(% style="width:125px" %)DI2+|(% style="width:128px" %)Digital Input 2
180 -|(% style="width:125px" %)DI2-|(% style="width:128px" %)Digital Input 2
181 -|(% style="width:125px" %)DI1+|(% style="width:128px" %)Digital Input 1
182 -|(% style="width:125px" %)DI1-|(% style="width:128px" %)Digital Input 1
183 -|(% style="width:125px" %)DO2|(% style="width:128px" %)Digital Output 2
184 -|(% style="width:125px" %)DO1|(% style="width:128px" %)Digital Output 1
172 +(% style="width:633px" %)
173 +|=(% style="width: 296px;" %)Screw Terminal|=(% style="width: 334px;" %)Function
174 +|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
175 +|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
176 +|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
177 +|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
178 +|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
179 +|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
180 +|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
181 +|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
182 +|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
183 +|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
185 185  
186 186  == 2.3 Connecting LT-22222-L to a Power Source ==
187 187  
... ... @@ -893,6 +893,7 @@
893 893  
894 894  * (% style="color:blue" %)**Sensor-related commands**(%%):
895 895  
895 +
896 896  === 3.4.1 Common commands ===
897 897  
898 898  
... ... @@ -1013,6 +1013,7 @@
1013 1013  Sets the device to working mode 2 (Double DI Counting + DO + RO)
1014 1014  )))
1015 1015  
1016 +
1016 1016  ==== 3.4.2.3 Request an uplink from the device ====
1017 1017  
1018 1018  
... ... @@ -1033,6 +1033,7 @@
1033 1033  Requests an uplink from LT-22222-L.
1034 1034  )))
1035 1035  
1037 +
1036 1036  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
1037 1037  
1038 1038  
... ... @@ -1071,6 +1071,7 @@
1071 1071  Enable trigger mode for the current working mode
1072 1072  )))
1073 1073  
1076 +
1074 1074  ==== 3.4.2.5 Request trigger settings ====
1075 1075  
1076 1076  
... ... @@ -1091,6 +1091,7 @@
1091 1091  Uplinks the trigger settings.
1092 1092  )))
1093 1093  
1097 +
1094 1094  ==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
1095 1095  
1096 1096  
... ... @@ -1146,6 +1146,7 @@
1146 1146  Enable DI1 trigger, disable DI2 trigger
1147 1147  )))
1148 1148  
1153 +
1149 1149  ==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
1150 1150  
1151 1151  
... ... @@ -1185,6 +1185,7 @@
1185 1185  Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
1186 1186  )))
1187 1187  
1193 +
1188 1188  ==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
1189 1189  
1190 1190  
... ... @@ -1219,6 +1219,7 @@
1219 1219  )))
1220 1220  |(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
1221 1221  
1228 +
1222 1222  ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
1223 1223  
1224 1224  
... ... @@ -1269,6 +1269,7 @@
1269 1269  )))
1270 1270  |(% style="width:104px" %)Note|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1271 1271  
1279 +
1272 1272  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1273 1273  
1274 1274  
... ... @@ -1317,6 +1317,7 @@
1317 1317  )))
1318 1318  |(% style="width:104px" %)**Note**|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1319 1319  
1328 +
1320 1320  ==== 3.4.2.11 Trigger – Set minimum interval ====
1321 1321  
1322 1322  
... ... @@ -1353,6 +1353,7 @@
1353 1353  )))
1354 1354  |(% style="width:112px" %)Note|(% style="width:386px" %)(% style="color:red" %)**The time must be greater than 5 minutes.**
1355 1355  
1365 +
1356 1356  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1357 1357  
1358 1358  
... ... @@ -1404,6 +1404,7 @@
1404 1404  )))
1405 1405  )))
1406 1406  
1417 +
1407 1407  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1408 1408  
1409 1409  
... ... @@ -1716,6 +1716,7 @@
1716 1716  )))
1717 1717  |(% style="width:141px" %)**Example**|(% style="width:357px" %)A6 **01**
1718 1718  
1730 +
1719 1719  ==== 3.4.2.19 Counting ~-~- Set Saving Interval for 'Counting Result' ====
1720 1720  
1721 1721  
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1748 1748  Sets the device to save its counting results to the memory every 60 seconds.
1749 1749  )))
1750 1750  
1763 +
1751 1751  ==== 3.4.2.20 Reset saved RO and DO states ====
1752 1752  
1753 1753  
... ... @@ -1798,6 +1798,7 @@
1798 1798  After the device is reset, the previously saved RODO state (limited to MOD2 to MOD5) is read, and it will not change when the device reconnects to the network.
1799 1799  )))
1800 1800  
1814 +
1801 1801  ==== 3.4.2.21 Encrypted payload ====
1802 1802  
1803 1803  
... ... @@ -1937,6 +1937,7 @@
1937 1937  Set DISMACANS=1
1938 1938  )))
1939 1939  
1954 +
1940 1940  ==== 3.4.2.25 Copy downlink to uplink ====
1941 1941  
1942 1942  
... ... @@ -2362,6 +2362,7 @@
2362 2362  |**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
2363 2363  |**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
2364 2364  
2380 +
2365 2365  = 4. Using AT Commands =
2366 2366  
2367 2367  
... ... @@ -2771,6 +2771,7 @@
2771 2771  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2772 2772  * After a restart, the status before the power failure will be read from flash.
2773 2773  
2790 +
2774 2774  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2775 2775  
2776 2776  
... ... @@ -2862,6 +2862,7 @@
2862 2862  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2863 2863  
2864 2864  
2882 +
2865 2865  = 9. Package information =
2866 2866  
2867 2867  
... ... @@ -2880,6 +2880,7 @@
2880 2880  * Weight / pcs : 170 g
2881 2881  
2882 2882  
2901 +
2883 2883  = 10. Support =
2884 2884  
2885 2885