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

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

From 77.64 to 77.63 From 82.8 to 82.7

From version 82.7

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

Change comment: There is no comment for this version

To version 77.64

edited by Xiaoling
on 2022/06/10 09:17

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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@@ -50,7 +50,6 @@
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--
  == 1.2  Specifications ==
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@@ -79,8 +79,6 @@
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--
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  **Interface for Model: LT22222-L:**
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@@ -104,8 +104,6 @@
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--
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  **LoRa Spec:**
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@@ -166,8 +166,6 @@
  * (((
  Packet engine up to 256 bytes with CRC.
--
--
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@@ -181,9 +181,6 @@
  * Firmware upgradable via program port
  * Counting
--
--
--
  == 1.4  Applications ==
  * Smart Buildings & Home Automation
@@ -193,9 +193,6 @@
  * Smart Cities
  * Smart Factory
--
--
--
  == 1.5 Hardware Variants ==
  (% border="1" style="background-color:#f7faff; width:500px" %)
@@ -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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@@ -244,13 +244,12 @@
  [[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]]
--
  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.
  )))
  [[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]]
--
  **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) ===
--
  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
  (((
@@ -355,7 +355,6 @@
  [[image:image-20220523180452-3.png]]
--
  (((
  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
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@@ -371,8 +371,6 @@
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--
--
  **To use counting mode, please run:**
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@@ -391,8 +391,6 @@
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--
--
  (% style="color:#4f81bd" %)**AT Commands for counting:**
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@@ -484,6 +484,8 @@
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  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
++
++
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@@ -490,7 +490,6 @@
  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
--
  **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]]
--
  (((
  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
  )))
@@ -513,8 +513,6 @@
  )))
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--
--
  **To use this mode, please run:**
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@@ -541,8 +541,6 @@
  )))
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--
--
  **Plus below command for AVI1 Counting:**
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@@ -578,14 +578,11 @@
  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
--
  **LT22222-L**: This mode the DI1 is used as a counting pin.
  [[image:image-20220523182334-9.png]]
  (((
--
--
  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
  )))
@@ -600,8 +600,6 @@
  )))
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--
--
  **To use this mode, please run:**
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@@ -621,6 +621,8 @@
  (((
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
++
++
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@@ -627,7 +627,6 @@
  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
--
  (% 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)
--
  (% 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)
--
  (% 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 +694,14 @@
    Yy4 yy4: AC2 or AV2 high limit.
--
  **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)
--
  **Example2**: AA 02 01 00
  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
--
--
  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
  MOD6 Payload : total 11 bytes payload
@@ -712,7 +712,6 @@
  [[image:image-20220524085923-1.png]]
--
  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
  [[image:image-20220524090106-2.png]]
@@ -761,8 +761,6 @@
  === 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/]]
@@ -769,6 +769,7 @@
  )))
++
  == 3.4 Configure LT via AT or Downlink ==
  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
@@ -802,7 +802,6 @@
  **Example: **AT+TDC=30000. Means set interval to 30 seconds
--
  * Downlink Payload (prefix 0x01):
  (% class="box infomessage" %)
@@ -825,7 +825,6 @@
  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
--
  * Downlink Payload (prefix 0x0A):
  (% class="box infomessage" %)
@@ -841,7 +841,6 @@
  There is no AT Command to poll uplink
--
  * Downlink Payload (prefix 0x08):
  (% class="box infomessage" %)
@@ -868,7 +868,6 @@
 : Disable Trigger Mode
--
  * Downlink Payload (prefix 0x0A 06):
  (% class="box infomessage" %)
@@ -886,7 +886,6 @@
  There is no AT Command for this feature.
--
  * Downlink Payload (prefix 0x AB 06):
  (% class="box infomessage" %)
@@ -907,7 +907,6 @@
  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
  )))
--
  **Example:**
  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
@@ -936,12 +936,10 @@
  b : delay timing.
--
  **Example:**
  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
--
  * Downlink Payload (prefix 0x09 01 ):
  (% class="box infomessage" %)
@@ -966,12 +966,10 @@
  b : delay timing.
--
  **Example:**
  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
--
  * Downlink Payload (prefix 0x09 02 ):
  (% class="box infomessage" %)
@@ -992,7 +992,6 @@
  **AT+ACLIM. **
  )))
--
  * Downlink Payload (prefix 0xAA 01 ):
  (% class="box infomessage" %)
@@ -1013,7 +1013,6 @@
  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
  )))
--
  * Downlink Payload (prefix 0xAA 00 ):
  (% class="box infomessage" %)
@@ -1034,7 +1034,6 @@
  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
  )))
--
  * Downlink Payload (prefix 0xAC ):
  (% class="box infomessage" %)
@@ -1050,7 +1050,6 @@
  There is no AT Command to control Digital Output
--
  * Downlink Payload (prefix 0x02):
  (% class="box infomessage" %)
@@ -1084,7 +1084,6 @@
  There is no AT Command to control Digital Output
--
  * Downlink Payload (prefix 0xA9):
  (% class="box infomessage" %)
@@ -1104,22 +1104,18 @@
 : DO pins will change to an inverter state after timeout
--
  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
  [[image:image-20220524093238-6.png]]
--
  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
  [[image:image-20220524093328-7.png]]
--
  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
  [[image:image-20220524093351-8.png]]
--
  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
           Latching time. Unit: ms
@@ -1126,7 +1126,6 @@
  Device will upload a packet if downlink code executes successfully.
--
  **Example payload:**
  **~1. A9 01 01 01 01 07 D0**
@@ -1147,13 +1147,12 @@
--==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
++=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
  * AT Command:
  There is no AT Command to control Relay Output
--
  * Downlink Payload (prefix 0x03):
  (% class="box infomessage" %)
@@ -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 =
  )))