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 < 82.1 >

edited by Bei Jinggeng
on 2022/06/15 08:49

To version < 77.78 >

edited by Xiaoling
on 2022/06/10 09:25

Change comment: There is no comment for this version

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--XWiki.Bei
++XWiki.Xiaoling

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@@ -48,7 +48,6 @@
  )))
--
  == 1.2  Specifications ==
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@@ -77,8 +77,6 @@
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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.
++
++
  )))
--
  == 1.3 Features ==
  * LoRaWAN Class A & Class C protocol
@@ -176,7 +176,6 @@
  * Firmware upgradable via program port
  * Counting
--
  == 1.4  Applications ==
  * Smart Buildings & Home Automation
@@ -186,7 +186,6 @@
  * Smart Cities
  * Smart Factory
--
  == 1.5 Hardware Variants ==
  (% border="1" style="background-color:#f7faff; width:500px" %)
@@ -200,7 +200,6 @@
  * 1 x Counting Port
  )))
--
  = 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.
@@ -223,9 +223,12 @@
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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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@@ -249,7 +249,6 @@
  [[image:1653297924498-393.png]]
--
  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
  Add APP EUI in the application.
@@ -263,7 +263,7 @@
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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"]]
@@ -288,8 +288,6 @@
  [[image:image-20220523174024-3.png]]
  (((
--
--
  (% 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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@@ -303,7 +303,6 @@
  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
@@ -336,7 +336,6 @@
  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
--
  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
  (((
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  [[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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--
--
  **To use counting mode, please run:**
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--
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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 ===
--
  **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.
@@ -487,7 +487,6 @@
  [[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
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@@ -503,8 +503,6 @@
  )))
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--
--
  **To use this mode, please run:**
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--
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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 ===
--
  **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
  )))
@@ -590,8 +590,6 @@
  )))
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--
--
  **To use this mode, please run:**
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  === 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:
@@ -625,11 +625,13 @@
  * **AT+MOD=1 **  **~-~->** The normal working mode
  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
++
  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
 . Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
 . Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
++
  **AT Command to set Trigger Condition**:
  (% style="color:#4f81bd" %)**Trigger base on voltage**:
@@ -643,7 +643,6 @@
  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>
@@ -653,7 +653,6 @@
  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.
@@ -660,13 +660,12 @@
  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**
@@ -695,7 +695,6 @@
  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
@@ -709,6 +709,7 @@
  * 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
@@ -720,6 +720,7 @@
  * 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.
@@ -731,6 +731,7 @@
  * Each bits shows which status has been trigger on this uplink.
++
  **Example:**
  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
@@ -751,8 +751,6 @@
  === 3.3.7 Payload Decoder ===
  (((
--
--
  **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]]
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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 =
  )))

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

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