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 < 101.2 >

edited by Xiaoling
on 2022/10/13 16:38

To version < 90.10 >

edited by Xiaoling
on 2022/08/18 13:46

Change comment: There is no comment for this version

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@@ -15,7 +15,6 @@
  = 1.Introduction =
--
  == 1.1 What is LT Series I/O Controller ==
  (((
@@ -58,7 +58,7 @@
  (((
--(% style="color:#037691" %)**Hardware System:**
++**Hardware System:**
  )))
  * (((
@@ -83,7 +83,7 @@
  (((
--(% style="color:#037691" %)**Interface for Model: LT22222-L:**
++**Interface for Model: LT22222-L:**
  )))
  * (((
@@ -108,7 +108,7 @@
  (((
--(% style="color:#037691" %)**LoRa Spec:**
++**LoRa Spec:**
  )))
  * (((
@@ -178,7 +178,7 @@
  * LoRaWAN Class A & Class C protocol
  * Optional Customized LoRa Protocol
--* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
++* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
  * AT Commands to change parameters
  * Remote configure parameters via LoRa Downlink
  * Firmware upgradable via program port
@@ -186,6 +186,8 @@
++
++
  == 1.4  Applications ==
@@ -198,6 +198,8 @@
++
++
  == 1.5 Hardware Variants ==
@@ -214,6 +214,7 @@
++
  = 2. Power ON Device =
@@ -221,8 +221,6 @@
  (((
  PWR will on when device is properly powered.
--
--
  )))
  [[image:1653297104069-180.png]]
@@ -231,7 +231,6 @@
  = 3. Operation Mode =
--
  == 3.1 How it works? ==
@@ -309,6 +309,8 @@
++
++
  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
@@ -328,7 +328,7 @@
  * DI is for digital input. DIx=1: high or float, DIx=0: low.
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
--(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
++(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
  For example if payload is: [[image:image-20220523175847-2.png]]
@@ -348,8 +348,6 @@
  * [1] RO1 relay channel is close and the RO1 LED is ON.
  * [0] RO2 relay channel is open and RO2 LED is OFF;
--
--
  **LT22222-L:**
  * [1] DI2 channel is high input and DI2 LED is ON;
@@ -366,6 +366,9 @@
  ** DO1 LED is off in both case
++
++
++
  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
@@ -389,7 +389,7 @@
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
  (((
--(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
++(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
  )))
  (((
@@ -411,8 +411,6 @@
  (% style="color:#4f81bd" %)**AT Commands for counting:**
--
--
  )))
  (((
@@ -454,7 +454,7 @@
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
  (((
--(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
++(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
  )))
@@ -498,7 +498,7 @@
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
  (((
--(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
++(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
  )))
  (((
@@ -559,7 +559,7 @@
  )))
  (((
--(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
++(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
  )))
  (((
@@ -605,7 +605,6 @@
  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
--
  **Example:**
  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v.  or AV2 voltage is higher than 2v, LT will trigger Uplink)
@@ -618,7 +618,6 @@
  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
--
  **Example:**
  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
@@ -637,7 +637,6 @@
  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**
@@ -686,7 +686,6 @@
  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
--
  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
  [[image:image-20220524090249-3.png]]
@@ -698,7 +698,6 @@
  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]]
@@ -712,7 +712,6 @@
  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:
@@ -723,13 +723,12 @@
--
  === 3.3.7 Payload Decoder ===
  (((
--**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
++**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
  )))
@@ -749,6 +749,7 @@
++
  === 3.4.1 Common Commands ===
@@ -811,7 +811,6 @@
  **0x08 FF     **~/~/ Poll an uplink
--
  **Example**: 0x08FF, ask device to send an Uplink
@@ -898,8 +898,6 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
  * **0x09 01 aa bb cc    **     ~/~/ same as AT+TRIG1=aa,0x(bb cc)
--
--
  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
@@ -978,7 +978,7 @@
  (((
--(% style="color:red" %)**Note: ATDC setting must be more than 5min**
++(% style="color:red" %)Note: ATDC setting must be more than 5min
  )))
@@ -1006,11 +1006,11 @@
  [[image:image-20220524092754-5.png]]
  (((
--(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
++(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
  )))
  (((
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
  )))
@@ -1055,11 +1055,11 @@
  [[image:image-20220524093351-8.png]]
--(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
++(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
           Latching time. Unit: ms
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++Device will upload a packet if downlink code executes successfully.
  **Example payload:**
@@ -1108,7 +1108,7 @@
  [[image:image-20220524093724-9.png]]
  )))
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++Device will upload a packet if downlink code executes successfully.
@@ -1139,12 +1139,12 @@
  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
--[[image:image-20221008095908-1.png||height="364" width="564"]]
++[[image:image-20220714135731-1.png||height="406" width="627"]]
--(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
++(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
--(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
++Device will upload a packet if downlink code executes successfully.
  **Example payload:**
@@ -1167,6 +1167,7 @@
++
  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
@@ -1239,124 +1239,11 @@
  (((
  range: aa bb cc:0 to 16777215,  (unit:second)
--
--
  )))
--==== 3.4.2.20 Reset save DR DO state ====
--* (% style="color:#037691" %)**AT Command:**
--
--**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
--
--**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):**
--
--**0x AD aa      **~/~/ same as AT+RODORET =aa
--
--(((
--
--
--
--
--==== 3.4.2.21 Encrypted payload ====
--
--
--* (% style="color:#037691" %)**AT Command:**
--
--**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
--
--**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
--
--
--
--
--==== 3.4.2.22 Get sensor value ====
--
--
--* (% style="color:#037691" %)**AT Command:**
--
--**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
--
--**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
--
--
--
--
--==== 3.4.2.23 Resets the downlink packet count ====
--
--
--* (% style="color:#037691" %)**AT Command:**
--
--**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
--
--**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
--
--
--
--
--==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
--
--
--* (% style="color:#037691" %)**AT Command:**
--
--       **AT+DISMACANS=0**     ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
--
--       **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
--
--
--* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
--
--**0x21 00 01 **         ~/~/ Set  the DISMACANS=1
--
--
--
--
--==== 3.4.2.25 Copy downlink to uplink ====
--
--
--* (% style="color:#037691" %)**AT Command**(%%)**:**
--
--       **AT+RPL=5**     ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
--
--Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
--
--
--[[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-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
--
--For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
--
--
--
--[[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-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
--
--For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
--
--
--
--==== 3.4.2.26 Query version number and frequency band 、TDC ====
--
--
--* (((
--(% style="color:#037691" %)**Downlink Payload**(%%)**:**
--
--**26 01  **   ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
--
--
--)))
--
--**Example：**
--
--[[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 ==
@@ -1455,10 +1455,10 @@
  )))
  * (((
--Connect sensor's output to DI1-
++Connect sensor’s output to DI1-
  )))
  * (((
--Connect sensor's VCC to DI1+.
++Connect sensor’s VCC to DI1+.
  )))
  (((
@@ -1466,11 +1466,11 @@
  )))
  (((
--[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
++[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
  )))
  (((
--If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
++If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
  )))
  (((
@@ -1488,10 +1488,10 @@
  )))
  * (((
--Connect sensor's output to DI1+
++Connect sensor’s output to DI1+
  )))
  * (((
--Connect sensor's GND DI1-.
++Connect sensor’s GND DI1-.
  )))
  (((
@@ -1521,10 +1521,10 @@
  )))
  * (((
--Connect sensor's output to DI1+ with a serial 50K resistor
++Connect sensor’s output to DI1+ with a serial 50K resistor
  )))
  * (((
--Connect sensor's GND DI1-.
++Connect sensor’s GND DI1-.
  )))
  (((
@@ -1591,7 +1591,6 @@
  [[image:image-20220524100215-9.png]]
--
  [[image:image-20220524100215-10.png||height="382" width="723"]]
@@ -1924,8 +1924,6 @@
 . Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
 . 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.
 . 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
--
--
  )))
  (((
@@ -1965,7 +1965,7 @@
  (((
  (% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
--(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
++(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
@@ -2021,7 +2021,6 @@
  (((
  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
--
  )))
  )))
@@ -2028,14 +2028,10 @@
  (((
  (% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
--
--
  )))
  (((
  [[image:1653360231087-571.png||height="401" width="727"]]
--
--
  )))
  (((
@@ -2043,11 +2043,8 @@
  )))
--
  (((
  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
--
--
  )))
  (((
@@ -2102,17 +2102,8 @@
  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? ==
--LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
--
--[[image:image-20221006170630-1.png||height="610" width="945"]]
--
--
--
  = 6. Trouble Shooting =
--
--
  )))
  (((
@@ -2173,7 +2173,6 @@
  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
--
  = 8. Packing Info =
@@ -2192,7 +2192,6 @@
  * Weight / pcs : 170g
--
  = 9. Support =
@@ -2213,3 +2213,5 @@
  * 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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Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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