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 < 105.1 >

edited by Edwin Chen
on 2022/11/14 18:02

To version < 110.2 >

edited by Xiaoling
on 2022/12/23 08:41

Change comment: There is no comment for this version

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--XWiki.Edwin
++XWiki.Xiaoling

Content

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  = 1.Introduction =
--
  == 1.1 What is LT Series I/O Controller ==
  (((
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  )))
--
  == 1.2  Specifications ==
  (((
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  )))
  * (((
--STM32L072CZT6 MCU
++STM32L072xxxx MCU
  )))
  * (((
  SX1276/78 Wireless Chip
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  Packet engine up to 256 bytes with CRC.
--
  )))
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  * Counting
++
  == 1.4  Applications ==
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  * Smart Factory
++
  == 1.5 Hardware Variants ==
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  )))
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  = 2. Power ON Device =
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  [[image:1653297104069-180.png]]
--
  = 3. Operation Mode =
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  == 3.1 How it works? ==
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  )))
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  == 3.2 Example to join LoRaWAN network ==
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  [[image:1653298044601-602.png||height="405" width="709"]]
--
  == 3.3 Uplink Payload ==
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  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
++
  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
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  ** DO1 LED is off in both case
++
  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
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  )))
--
  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
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  )))
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  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
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  )))
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  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
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  )))
--
  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
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  When device got this command, it will send the MOD6 payload.
--
  === 3.3.7 Payload Decoder ===
  (((
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  )))
--
  == 3.4 Configure LT via AT or Downlink ==
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  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
++
  === 3.4.1 Common Commands ===
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  )))
--
  === 3.4.2 Sensor related commands ===
--
  ==== 3.4.2.1 Set Transmit Interval ====
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--
  ==== 3.4.2.5 Poll trigger settings ====
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  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
--(% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
++(% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
@@ -1076,6 +1076,13 @@
           Latching time. Unit: ms
++Note:
++
++   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
++
++   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
++
++
  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
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--
  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
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  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
++Note:
++
++   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
++
++   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
++
++
  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
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--==== 3.4.2.20 Reset save DR DO state ====
++==== 3.4.2.20 Reset save RO DO state ====
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
++(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
--(% style="color:blue" %)**AT+RODORET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
++(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
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--
  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
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--
  ==== 3.4.2.25 Copy downlink to uplink ====
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  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
--
  == 3.5 Integrate with Mydevice ==
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  [[image:image-20220524094909-5.png||height="341" width="734"]]
--
  == 3.6 Interface Detail ==
--
  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
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  [[image:1653356991268-289.png]]
--
  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
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  (((
--
--
  )))
  (((
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  (((
--
--
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  (((
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  )))
--
  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
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  [[image:1653357531600-905.png]]
--
  === 3.6.4 Analog Input Interface ===
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  [[image:1653357648330-671.png||height="155" width="733"]]
--
  === 3.6.5 Relay Output ===
  (((
--The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
++The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
  **Note**: RO pins go to Open(NO) when device is power off.
  )))
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  [[image:image-20220524100215-10.png||height="382" width="723"]]
--
  == 3.7 LEDs Indicators ==
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  [[image:image-20220524100748-11.png]]
--
  = 4. Use AT Command =
--
  == 4.1 Access AT Command ==
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  )))
--
  == 4.2 Common AT Command Sequence ==
--
  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
  (((
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  )))
--
  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
  (((
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  )))
--
  === 4.2.3 Change to Class A ===
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  )))
--
  = 5. FAQ =
--
  == 5.1 How to upgrade the image? ==
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  (((
  (((
--
--
  == 5.2 How to change the LoRa Frequency Bands/Region? ==
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  (((
--
  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
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  [[image:1653360498588-932.png||height="485" width="726"]]
--
  == 5.4 Can I see counting event in Serial? ==
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  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
--
  == 5.5 Can i use point to point communication for LT-22222-L? ==
--Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
++Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
--
  )))
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  After restart, the status before power failure will be read from flash.
--
  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
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  Firmware version needs to be no less than 1.6.0.
--
  = 6. Trouble Shooting =
--
--
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  (((
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  (((
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  == 6.2 Have trouble to upload image. ==
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  (((
--
  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
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  )))
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  = 7. Order Info =
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  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
++
  = 8. Packing Info =
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  * Weight / pcs : 170g
++
  = 9. Support =
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  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
++
++
++

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

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