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 < 77.78 >

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

To version < 80.1 >

edited by Xiaoling
on 2022/06/10 09:41

Change comment: There is no comment for this version

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@@ -76,6 +76,8 @@
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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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--
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  == 1.3 Features ==
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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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--**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
++(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
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  [[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.
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--**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.
++(% 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.
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  [[image:1653298044601-602.png||height="405" width="709"]]
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  [[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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  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
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  * [1] RO1 relay channel is close and the RO1 LED is ON.
  * [0] RO2 relay channel is open and RO2 LED is OFF;
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  **LT22222-L:**
  * [1] DI2 channel is high input and DI2 LED is ON;
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  === 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.
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  [[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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  === 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:
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  * **AT+MOD=1 **  **~-~->** The normal working mode
  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
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  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.**
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  **AT Command to set Trigger Condition**:
  (% style="color:#4f81bd" %)**Trigger base on voltage**:
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  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>
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  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.
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  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
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  **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**
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  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
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  * Each bits shows if the corresponding trigger has been configured.
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  **Example:**
  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
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  * Each bits shows which status has been trigger on this uplink.
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  **Example:**
  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
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  * Each bits shows which status has been trigger on this uplink.
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  **Example:**
  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
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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

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

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