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

Last modified by Saxer Lin on 2025/04/15 17:24

From version < 82.7 >

edited by Xiaoling
on 2022/06/20 11:17

To version < 77.73 >

edited by Xiaoling
on 2022/06/10 09:23

Change comment: There is no comment for this version

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@@ -19,8 +19,6 @@
  == 1.1 What is LT Series I/O Controller ==
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  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.
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  == 1.2  Specifications ==
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  **Interface for Model: LT22222-L:**
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  **LoRa Spec:**
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  * (((
  Packet engine up to 256 bytes with CRC.
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  * Firmware upgradable via program port
  * Counting
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  == 1.4  Applications ==
  * Smart Buildings & Home Automation
@@ -193,9 +193,6 @@
  * Smart Cities
  * Smart Factory
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  == 1.5 Hardware Variants ==
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@@ -209,8 +209,6 @@
  * 1 x Counting Port
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  = 2. Power ON Device =
  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.
@@ -233,9 +233,12 @@
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  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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  == 3.2 Example to join LoRaWAN network ==
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  [[image:image-20220523172350-1.png||height="266" width="864"]]
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  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
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--(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
++**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
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@@ -259,7 +259,6 @@
  [[image:1653297924498-393.png]]
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  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
  Add APP EUI in the application.
@@ -273,7 +273,7 @@
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--(% style="color:blue" %)**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.
++**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.
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  [[image:1653298044601-602.png||height="405" width="709"]]
@@ -298,8 +298,6 @@
  [[image:image-20220523174024-3.png]]
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  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
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@@ -313,7 +313,6 @@
  For example if payload is: [[image:image-20220523175847-2.png]]
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  **The value for the interface is:  **
  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
@@ -346,7 +346,6 @@
  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
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  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
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  [[image:image-20220523180452-3.png]]
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  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
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  **To use counting mode, please run:**
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  (% style="color:#4f81bd" %)**AT Commands for counting:**
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  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
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  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
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  **LT22222-L**: This mode the DI1 is used as a counting pin.
  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
@@ -497,7 +497,6 @@
  [[image:image-20220523181903-8.png]]
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  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
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  **To use this mode, please run:**
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  **Plus below command for AVI1 Counting:**
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  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
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  **LT22222-L**: This mode the DI1 is used as a counting pin.
  [[image:image-20220523182334-9.png]]
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  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
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  **To use this mode, please run:**
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@@ -621,6 +621,8 @@
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  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
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  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
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  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
  For example, if user has configured below commands:
@@ -653,7 +653,6 @@
  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
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  (% style="color:#4f81bd" %)**Trigger base on current**:
  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
@@ -663,7 +663,6 @@
  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
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  (% style="color:#4f81bd" %)**Trigger base on DI status**:
  DI status trigger Flag.
@@ -670,13 +670,12 @@
  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
--
  **Example:**
  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
--**Downlink Command to set Trigger Condition:**
++**Downlink Command to set Trigger Condition**
  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
@@ -694,18 +694,15 @@
    Yy4 yy4: AC2 or AV2 high limit.
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  **Example1**: AA 00 13 88 00 00 00 00 00 00
  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
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  **Example2**: AA 02 01 00
  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
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  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
  MOD6 Payload : total 11 bytes payload
@@ -719,6 +719,7 @@
  * Each bits shows if the corresponding trigger has been configured.
++
  **Example:**
  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
@@ -730,6 +730,7 @@
  * Each bits shows which status has been trigger on this uplink.
++
  **Example:**
  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
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  === 3.3.7 Payload Decoder ===
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  **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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  == 3.4 Configure LT via AT or Downlink ==
  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
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  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
++
++
  === 3.4.1 Common Commands ===
  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]]
@@ -2012,16 +2012,8 @@
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--== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
++
--If the device is not shut down, but directly powered off.
--
--It will default that this is a power-off state.
--
--In modes 2 to 5, DO RO status and pulse count are saved in flash.
--
--After restart, the status before power failure will be read from flash.
--
  = 6. Trouble Shooting =
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