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

Last modified by Mengting Qiu on 2025/06/04 18:42

From 230.11 to 230.12 From 230.14 to 230.15

From version 230.12

edited by Xiaoling
on 2024/12/09 10:15

Change comment: There is no comment for this version

To version 230.14

edited by Xiaoling
on 2024/12/09 10:52

Change comment: There is no comment for this version

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@@ -99,7 +99,6 @@
  * Packet engine up to 256 bytes with CRC.
--
  == 1.3 Features ==
@@ -112,7 +112,6 @@
  * Counting
--
  == 1.4 Applications ==
@@ -124,7 +124,6 @@
  * Smart factory
--
  == 1.5 Hardware Variants ==
@@ -132,7 +132,7 @@
  |(% 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**
  |(% style="width:94px" %)**LT-22222-L**|(% style="width:172px" %)(((
  (% style="text-align:center" %)
--[[image:lt33222-l.jpg||height="116" width="100"]]
++[[image:lt33222-l.jpg||height="110" width="95"]]
  )))|(% style="width:256px" %)(((
  * 2 x Digital Input (Bi-direction)
  * 2 x Digital Output
@@ -142,10 +142,12 @@
  * 1 x Counting Port
  )))
++
  = 2. Assembling the device =
  == 2.1 Connecting the antenna ==
++
  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.
  {{warning}}
@@ -152,35 +152,37 @@
  **Warning! Do not power on the device without connecting the antenna.**
  {{/warning}}
++
  == 2.2 Terminals ==
++
  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.
  **Upper screw terminal block (from left to right):**
--(% style="width:634px" %)
--|=(% style="width: 295px;" %)Screw Terminal|=(% style="width: 338px;" %)Function
--|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
--|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
--|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
--|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
--|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
--|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
++(% border="1" cellspacing="3" style="width:381px;background-color:#f2f2f2" %)
++|=(% style="width: 139px;background-color:#4f81bd;color:white" %)Screw Terminal|=(% style="width: 242px;background-color:#4f81bd" %)Function
++|(% style="width:139px" %)GND|(% style="width:242px" %)Ground
++|(% style="width:139px" %)VIN|(% style="width:242px" %)Input Voltage
++|(% style="width:139px" %)AVI2|(% style="width:242px" %)Analog Voltage Input Terminal 2
++|(% style="width:139px" %)AVI1|(% style="width:242px" %)Analog Voltage Input Terminal 1
++|(% style="width:139px" %)ACI2|(% style="width:242px" %)Analog Current Input Terminal 2
++|(% style="width:139px" %)ACI1|(% style="width:242px" %)Analog Current Input Terminal 1
  **Lower screw terminal block (from left to right):**
--(% style="width:633px" %)
--|=(% style="width: 296px;" %)Screw Terminal|=(% style="width: 334px;" %)Function
--|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
--|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
--|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
--|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
--|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
--|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
--|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
--|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
--|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
--|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
++(% border="1" cellspacing="3" style="width:253px;background-color:#f2f2f2" %)
++|=(% style="width: 125px;background-color:#4f81bd;color:white" %)Screw Terminal|=(% style="width: 128px;background-color:#4f81bd;color:white" %)Function
++|(% style="width:125px" %)RO1-2|(% style="width:128px" %)Relay Output 1
++|(% style="width:125px" %)RO1-1|(% style="width:128px" %)Relay Output 1
++|(% style="width:125px" %)RO2-2|(% style="width:128px" %)Relay Output 2
++|(% style="width:125px" %)RO2-1|(% style="width:128px" %)Relay Output 2
++|(% style="width:125px" %)DI2+|(% style="width:128px" %)Digital Input 2
++|(% style="width:125px" %)DI2-|(% style="width:128px" %)Digital Input 2
++|(% style="width:125px" %)DI1+|(% style="width:128px" %)Digital Input 1
++|(% style="width:125px" %)DI1-|(% style="width:128px" %)Digital Input 1
++|(% style="width:125px" %)DO2|(% style="width:128px" %)Digital Output 2
++|(% style="width:125px" %)DO1|(% style="width:128px" %)Digital Output 1
  == 2.3 Connecting LT-22222-L to a Power Source ==
@@ -892,7 +892,6 @@
  * (% style="color:blue" %)**Sensor-related commands**(%%):
--
  === 3.4.1 Common commands ===
@@ -1013,7 +1013,6 @@
  Sets the device to working mode 2 (Double DI Counting + DO + RO)
  )))
--
  ==== 3.4.2.3 Request an uplink from the device ====
@@ -1034,7 +1034,6 @@
  Requests an uplink from LT-22222-L.
  )))
--
  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
@@ -1073,7 +1073,6 @@
  Enable trigger mode for the current working mode
  )))
--
  ==== 3.4.2.5 Request trigger settings ====
@@ -1094,7 +1094,6 @@
  Uplinks the trigger settings.
  )))
--
  ==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
@@ -1150,7 +1150,6 @@
  Enable DI1 trigger, disable DI2 trigger
  )))
--
  ==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
@@ -1190,7 +1190,6 @@
  Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
  )))
--
  ==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
@@ -1225,7 +1225,6 @@
  )))
  |(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
--
  ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
@@ -1276,7 +1276,6 @@
  )))
  |(% style="width:104px" %)Note|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--
  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
@@ -1325,7 +1325,6 @@
  )))
  |(% style="width:104px" %)**Note**|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--
  ==== 3.4.2.11 Trigger – Set minimum interval ====
@@ -1362,7 +1362,6 @@
  )))
  |(% style="width:112px" %)Note|(% style="width:386px" %)(% style="color:red" %)**The time must be greater than 5 minutes.**
--
  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
@@ -1414,7 +1414,6 @@
  )))
  )))
--
  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
@@ -1727,7 +1727,6 @@
  )))
  |(% style="width:141px" %)**Example**|(% style="width:357px" %)A6 **01**
--
  ==== 3.4.2.19 Counting ~-~- Set Saving Interval for 'Counting Result' ====
@@ -1760,7 +1760,6 @@
  Sets the device to save its counting results to the memory every 60 seconds.
  )))
--
  ==== 3.4.2.20 Reset saved RO and DO states ====
@@ -1811,7 +1811,6 @@
  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.
  )))
--
  ==== 3.4.2.21 Encrypted payload ====
@@ -1951,7 +1951,6 @@
  Set DISMACANS=1
  )))
--
  ==== 3.4.2.25 Copy downlink to uplink ====
@@ -2377,7 +2377,6 @@
  |**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
  |**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
--
  = 4. Using AT Commands =
@@ -2787,7 +2787,6 @@
  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
  * After a restart, the status before the power failure will be read from flash.
--
  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
@@ -2879,7 +2879,6 @@
  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
--
  = 9. Package information =
@@ -2898,7 +2898,6 @@
  * Weight / pcs : 170 g
--
  = 10. Support =