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 < 113.1 >

edited by Xiaoling
on 2023/04/24 11:51

To version < 104.1 >

edited by Xiaoling
on 2022/11/12 17:48

Change comment: Uploaded new attachment "image-20221112174847-1.png", version {1}

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@@ -15,6 +15,7 @@
  = 1.Introduction =
++
  == 1.1 What is LT Series I/O Controller ==
  (((
@@ -53,6 +53,7 @@
  )))
++
  == 1.2  Specifications ==
  (((
@@ -62,7 +62,7 @@
  )))
  * (((
--STM32L072xxxx MCU
++STM32L072CZT6 MCU
  )))
  * (((
  SX1276/78 Wireless Chip
@@ -169,6 +169,7 @@
  Packet engine up to 256 bytes with CRC.
++
  )))
@@ -176,41 +176,28 @@
  * LoRaWAN Class A & Class C protocol
--
  * Optional Customized LoRa Protocol
--
  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
--
  * AT Commands to change parameters
--
  * Remote configure parameters via LoRa Downlink
--
  * Firmware upgradable via program port
--
  * Counting
--
  == 1.4  Applications ==
  * Smart Buildings & Home Automation
--
  * Logistics and Supply Chain Management
--
  * Smart Metering
--
  * Smart Agriculture
--
  * Smart Cities
--
  * Smart Factory
--
  == 1.5 Hardware Variants ==
--(% border="1" style="background-color:#f2f2f2; width:500px" %)
--|(% style="width:103px;background-color:#D9E2F3;color:#0070C0" %)**Model**|(% style="width:131px;background-color:#D9E2F3;color:#0070C0" %)**Photo**|(% style="width:334px;background-color:#D9E2F3;color:#0070C0" %)**Description**
++(% border="1" style="background-color:#f7faff; width:500px" %)
++|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
  * 2 x Digital Input (Bi-direction)
  * 2 x Digital Output
@@ -220,7 +220,6 @@
  * 1 x Counting Port
  )))
--
  = 2. Power ON Device =
@@ -237,8 +237,10 @@
  [[image:1653297104069-180.png]]
++
  = 3. Operation Mode =
++
  == 3.1 How it works? ==
@@ -251,6 +251,7 @@
  )))
++
  == 3.2 Example to join LoRaWAN network ==
@@ -302,6 +302,7 @@
  [[image:1653298044601-602.png||height="405" width="709"]]
++
  == 3.3 Uplink Payload ==
@@ -371,6 +371,7 @@
  ** DO1 is high in case there is load between DO1 and V+.
  ** DO1 LED is off in both case
++
  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
@@ -444,6 +444,7 @@
  )))
++
  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
@@ -490,6 +490,7 @@
  )))
++
  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
@@ -558,6 +558,7 @@
  )))
++
  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
@@ -605,6 +605,7 @@
  )))
++
  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
@@ -659,6 +659,7 @@
  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
++
  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
@@ -719,6 +719,7 @@
  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
++
  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
  [[image:image-20220524090456-4.png]]
@@ -732,6 +732,7 @@
  00000101: Means both DI1 and DI2 trigger are enabled.
++
  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
  Downlink command to poll MOD6 status:
@@ -741,6 +741,7 @@
  When device got this command, it will send the MOD6 payload.
++
  === 3.3.7 Payload Decoder ===
  (((
@@ -750,6 +750,7 @@
  )))
++
  == 3.4 Configure LT via AT or Downlink ==
@@ -767,7 +767,6 @@
  * (% 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 ===
@@ -776,6 +776,7 @@
  )))
++
  === 3.4.2 Sensor related commands ===
@@ -854,6 +854,7 @@
++
  ==== 3.4.2.5 Poll trigger settings ====
@@ -936,7 +936,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
--(% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
++(% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
@@ -1068,14 +1068,6 @@
           Latching time. Unit: ms
--
--(% style="color:red" %)**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.**
@@ -1099,7 +1099,7 @@
--==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
++==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
  * (% style="color:#037691" %)**AT Command:**
@@ -1128,6 +1128,7 @@
++
  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
@@ -1159,20 +1159,12 @@
  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
--
--(% style="color:red" %)**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.**
  **Example payload:**
--**~1. 05 01 11 07 D0**
++**~1. 05 01 11 07 D**
  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
@@ -1258,14 +1258,14 @@
--==== 3.4.2.20 Reset save RO DO state ====
++==== 3.4.2.20 Reset save DR DO state ====
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
++(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
--(% 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: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:#037691" %)**Downlink Payload (prefix 0xAD):**
@@ -1307,6 +1307,7 @@
++
  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
@@ -1323,6 +1323,7 @@
++
  ==== 3.4.2.25 Copy downlink to uplink ====
@@ -1361,6 +1361,7 @@
  [[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 ==
@@ -1410,8 +1410,10 @@
  [[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 ) ===
@@ -1420,6 +1420,7 @@
  [[image:1653356991268-289.png]]
++
  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
@@ -1476,6 +1476,8 @@
  (((
++
++
  )))
  (((
@@ -1507,6 +1507,8 @@
  (((
++
++
  )))
  (((
@@ -1537,16 +1537,16 @@
  )))
++
  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
--(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
++NPN output: GND or Float. Max voltage can apply to output pin is 36v.
--(% style="color:red" %)**Note: DO pins go to float when device is power off.**
--
  [[image:1653357531600-905.png]]
++
  === 3.6.4 Analog Input Interface ===
@@ -1564,9 +1564,9 @@
  (% style="color:blue" %)**Specifications of the wind speed sensor:**
--(% style="color:red" %)**Red:      12~~24v**
++**Red:      12~~24v**
--(% style="color:#ffc000" %)**Yellow:  4~~20mA**
++**Yellow:  4~~20mA**
  **Black:   GND**
@@ -1578,13 +1578,12 @@
  [[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:
--
--**Note**: RO pins go to Open(NO) when device is power off.
++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:
  )))
  [[image:image-20220524100215-9.png]]
@@ -1593,6 +1593,7 @@
  [[image:image-20220524100215-10.png||height="382" width="723"]]
++
  == 3.7 LEDs Indicators ==
@@ -1599,8 +1599,10 @@
  [[image:image-20220524100748-11.png]]
++
  = 4. Use AT Command =
++
  == 4.1 Access AT Command ==
@@ -1811,8 +1811,10 @@
  )))
++
  == 4.2 Common AT Command Sequence ==
++
  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
  (((
@@ -1857,6 +1857,7 @@
  )))
++
  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
  (((
@@ -1929,7 +1929,7 @@
  **3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
--**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
++**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
  )))
@@ -1942,6 +1942,7 @@
  )))
++
  === 4.2.3 Change to Class A ===
@@ -1953,19 +1953,13 @@
  )))
--= 5. Case Study =
--== 5.1 Counting how many objects pass in Flow Line ==
++= 5. FAQ =
--Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
++== 5.1 How to upgrade the image? ==
--= 6. FAQ =
--
--== 6.1 How to upgrade the image? ==
--
--
  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
  * Support new features
@@ -1993,10 +1993,8 @@
    [[image:image-20220524103407-12.png]]
--
  [[image:image-20220524103429-13.png]]
--
  [[image:image-20220524104033-15.png]]
@@ -2008,8 +2008,10 @@
  (((
  (((
--== 6.2 How to change the LoRa Frequency Bands/Region? ==
++
++== 5.2 How to change the LoRa Frequency Bands/Region? ==
++
  )))
  )))
@@ -2021,8 +2021,9 @@
  (((
--== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
++== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
++
  )))
@@ -2084,23 +2084,26 @@
  [[image:1653360498588-932.png||height="485" width="726"]]
--== 6.4 Can I see counting event in Serial? ==
++== 5.4 Can I see counting event in Serial? ==
++
  (((
  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.
--== 6.5 Can i use point to point communication for LT-22222-L? ==
++== 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://github.com/dragino/LT-22222-L/releases]].
++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]].
++
++
  )))
  (((
--== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
++== 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.
@@ -2112,9 +2112,10 @@
  After restart, the status before power failure will be read from flash.
--== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
++== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
++
  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
@@ -2121,18 +2121,19 @@
  [[image:image-20221006170630-1.png||height="610" width="945"]]
--== 6.8 Can LT22222-L save RO state? ==
++== 5.8 Can LT22222 save RO state? ==
--
  Firmware version needs to be no less than 1.6.0.
--= 7. Trouble Shooting =
++= 6. Trouble Shooting =
++
++
  )))
  (((
  (((
--== 7.1 Downlink doesn't work, how to solve it? ==
++== 6.1 Downlink doesn't work, how to solve it? ==
  )))
@@ -2145,8 +2145,9 @@
  (((
--== 7.2 Have trouble to upload image. ==
++== 6.2 Have trouble to upload image. ==
++
  )))
@@ -2157,8 +2157,9 @@
  (((
--== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
++== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
++
  )))
@@ -2167,9 +2167,10 @@
  )))
--= 8. Order Info =
++= 7. Order Info =
++
  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
  (% style="color:#4f81bd" %)**XXX:**
@@ -2184,10 +2184,9 @@
  * (% style="color:red" %)**IN865**(%%):   LT with frequency bands IN865
  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
++= 8. Packing Info =
--= 9. Packing Info =
--
  **Package Includes**:
  * LT-22222-L I/O Controller x 1
@@ -2202,8 +2202,9 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170g
++
--= 10. Support =
++= 9. Support =
  * (((
@@ -2213,14 +2213,13 @@
  Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
++
  )))
--= 11. Reference =
++= 10. Reference =
  * 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]]
--
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image-20230424115112-1.png

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1		-XWiki.Xiaoling

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

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