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 < 193.1 >

edited by Dilisi S
on 2024/11/14 05:28

To version < 198.1 >

edited by Dilisi S
on 2024/11/17 19:33

Change comment: Nov 17 - AT commands edits - part 1

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@@ -23,6 +23,10 @@
  (((
  (((
++{{info}}
++**This manual is also applicable to the LT-33222-L.**
++{{/info}}
++
  The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
  The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
@@ -111,7 +111,7 @@
  * Smart cities
  * Smart factory
--= 2. Assembling the device =
++== 2. Assembling the device ==
  == 2.1 Connecting the antenna ==
@@ -277,10 +277,10 @@
  [[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
--== 3.3 Work Modes and Uplink Payload formats ==
++== 3.3 Working Modes and Uplink Payload formats ==
--The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any work mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
++The LT-22222-L has 5 **working modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
  * (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO
@@ -294,7 +294,7 @@
  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
--The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes.
++The uplink messages are sent over LoRaWAN FPort=2. By default, an uplink message is sent every 10 minutes.
  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
@@ -303,7 +303,7 @@
  The uplink payload is 11 bytes long.
--(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
++(% style="color:red" %)**Note:The maximum count depends on the bytes number of bytes.
  The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
  It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
@@ -363,9 +363,13 @@
  * [1] DO2 channel output is LOW, and the DO2 LED is ON.
  * [0] DO1 channel output state:
  ** DO1 is FLOATING when there is no load between DO1 and V+.
--** DO1 is HIGH when there is a load between DO1 and V+.
++** DO1 is HIGH and there is a load between DO1 and V+.
  ** DO1 LED is OFF in both cases.
++Reserve = 0
++
++MOD = 1
++
  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
@@ -621,24 +621,27 @@
  )))
--=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
++=== 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
--(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
++(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate __alongside__ with other modes.**
--For example, if you configured the following commands:
++For example, if you configure the following commands:
--* **AT+MOD=1 **            **~-~->**   The default work mode
--* **AT+ADDMOD6=1**   **~-~->**   Enable trigger mode
++* **AT+MOD=1 **            **~-~->**   Sets the default working mode
++* **AT+ADDMOD6=1**   **~-~->**   Enables trigger mode
--The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
++The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. It will send uplink packets in two cases:
--1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
++1. Periodic uplink: Based on TDC time. The payload is the same as in normal mode (MOD=1 as set above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
 . (((
--Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
++Trigger uplink: sent when a trigger condition is met. In this case, LT will send two packets
++
++* The first uplink uses the payload specified in trigger mode (MOD=6).
++* The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
  )))
--(% style="color:#037691" %)**AT Commands to set Trigger Condition**:
++(% style="color:#037691" %)**AT Commands to set Trigger Conditions**:
  (% style="color:#4f81bd" %)**Trigger based on voltage**:
@@ -647,9 +647,9 @@
  **Example:**
--AT+AVLIM=3000,6000,0,2000   (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
++AT+AVLIM=3000,6000,0,2000 (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
--AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
++AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
  (% style="color:#4f81bd" %)**Trigger based on current**:
@@ -659,7 +659,7 @@
  **Example:**
--AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
++AT+ACLIM=10000,15000,0,0 (triggers an uplink if AC1 current is lower than 10mA or higher than 15mA)
  (% style="color:#4f81bd" %)**Trigger based on DI status**:
@@ -836,6 +836,7 @@
  These commands are specially designed for the LT-22222-L. Commands can be sent to the device using options such as an AT command or a LoRaWAN downlink payload.
++
  ==== 3.4.2.1 Set Transmit Interval ====
  Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
@@ -842,10 +842,10 @@
  (% style="color:#037691" %)**AT command**
--(% style="width:500px" %)
--|**Command**|AT+TDC<time>
++(% border="2" style="width:500px" %)
++|**Command**|AT+TDC=<time>
  |**Response**|
--|**Parameters**|<time> uplink interval is in milliseconds
++|**Parameters**|**time** : uplink interval is in milliseconds
  |**Example**|(((
  AT+TDC=30000
@@ -854,14 +854,14 @@
  (% style="color:#037691" %)**Downlink payload**
--(% style="width:500px" %)
++(% border="2" style="width:500px" %)
  |**Payload**|(((
  <prefix><time>
  )))
  |**Parameters**|(((
--<prefix> 0x01
++**prefix** : 0x01
--<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
++**time** : uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
  )))
  |**Example**|(((
 **00 75 30**
@@ -873,85 +873,181 @@
  See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
  )))
--==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
++==== 3.4.2.2 Set the Working Mode (AT+MOD) ====
++Sets the working mode.
--Sets the work mode.
++(% style="color:#037691" %)**AT command**
--* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
++(% border="2" style="width:500px" %)
++|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MODE=<working_mode>
++|(% style="width:97px" %)**Response**|(% style="width:413px" %)
++|(% style="width:97px" %)**Parameters**|(% style="width:413px" %)(((
++**working_mode** :
--Where N is the work mode.
++1 = (Default mode/factory set):  2ACI + 2AVI + DI + DO + RO
--**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
++2 = Double DI Counting + DO + RO
++3 = Single DI Counting + 2 x ACI + DO + RO
--* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
++4 = Single DI Counting + 1 x Voltage Counting + DO + RO
--(% style="color:blue" %)**0x0A aa  **(%%)**  ** ~/~/ Same as AT+MOD=aa
++5 = Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
++6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5
++)))
++|(% style="width:97px" %)**Example**|(% style="width:413px" %)(((
++AT+MOD=2
++Sets the device to working mode 2 (Double DI Counting + DO + RO)
++)))
--==== 3.4.2.3 Poll an uplink ====
++(% class="wikigeneratedid" %)
++(% style="color:#037691" %)**Downlink payload**
--Requests the device to send an uplink.
++(% border="2" style="width:500px" %)
++|(% style="width:98px" %)**Payload**|(% style="width:400px" %)<prefix><working_mode>
++|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
++**prefix** : 0x0A
++**working_mode** : Working mode, represented by 1 byte in hexadecimal.
++)))
++|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
++0A **02**
--* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
++Sets the device to working mode 2 (Double DI Counting + DO + RO)
++)))
--* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
++==== 3.4.2.3 Poll an uplink ====
--(% style="color:blue" %)**0x08 FF  **(%%)**   **~/~/ Poll an uplink
++Requests an uplink from LT-22222-L.
--**Example**: 0x08FF, ask device to send an Uplink
++(% style="color:#037691" %)**AT command**
++There is no AT Command to request an uplink from LT-22222-L
++(% style="color:#037691" %)**Downlink payload**
++(% border="2" style="width:500px" %)
++|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF
++|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)**prefix** : 0x08
++|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
++08 FF
++
++Requests an uplink from LT-22222-L.
++)))
++
  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
--Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
++Enable or disable the trigger mode for the current working mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
++(% style="color:#037691" %)**AT Command**
--(% style="color:red" %)**1:** (%%)Enable the trigger mode
++(% border="2" style="width:500px" %)
++|(% style="width:95px" %)**Command**|(% style="width:403px" %)AT+ADDMOD6=<enable/disable trigger_mode>
++|(% style="width:95px" %)**Response**|(% style="width:403px" %)
++|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)(((
++**enable/disable trigger_mode** :
--(% style="color:red" %)**0: **(%%)Disable the trigger mode
++1 = enable trigger mode
++0 = disable trigger mode
++)))
++|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
++AT+ADDMOD6=1
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
++Enable trigger mode for the current working mode
++)))
--(% style="color:blue" %)**0x0A 06 aa    **(%%)    ~/~/ Same as AT+ADDMOD6=aa
++(% style="color:#037691" %)**Downlink payload**
++(% border="2" style="width:500px" %)
++|(% style="width:97px" %)**Payload**|(% style="width:401px" %)<prefix><enable/disable trigger_mode>
++|(% style="width:97px" %)**Parameters**|(% style="width:401px" %)(((
++**prefix** : 0x0A 06
++**working mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
++)))
++|(% style="width:97px" %)**Example**|(% style="width:401px" %)(((
++0A 06 **01**
++Enable trigger mode for the current working mode
++)))
++
  ==== 3.4.2.5 Poll trigger settings ====
  Polls the trigger settings.
--* (% style="color:#037691" %)**AT Command:**
++(% style="color:#037691" %)**AT Command:**
  There is no AT Command for this feature.
--* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
++(% style="color:#037691" %)**Downlink Payload**
--(% style="color:blue" %)**0xAB 06  **  (%%)   ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
++(% style="width:500px" %)
++|(% style="width:95px" %)**Payload**|(% style="width:403px" %)<prefix>
++|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)**prefix **: AB 06
++|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
++AB 06
++Uplinks the trigger settings.
++)))
++==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
--==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
++Enable or disable DI1/DI2/DI3 as a trigger.
--Enable or disable DI1/DI2/DI2 as a trigger.
++(% style="color:#037691" %)**AT Command**
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
++(% style="width:500px" %)
++|(% style="width:98px" %)**Command**|(% style="width:400px" %)AT+DTRI=<DI1_trigger>,<DI2_trigger>
++|(% style="width:98px" %)**Response**|(% style="width:400px" %)
++|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
++**DI1_trigger:**
--**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
++1 = enable DI1 trigger
++0 = disable DI1 trigger
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
++**DI2 _trigger**
--(% style="color:blue" %)**0xAA 02 aa bb   **  (%%) ~/~/ Same as AT+DTRI=aa,bb
++1 = enable DI2 trigger
++0 = disable DI2 trigger
++)))
++|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
++AT+DTRI=1,0
++Enable DI1 trigger, disable DI2 trigger
++)))
++(% class="wikigeneratedid" %)
++(% style="color:#037691" %)**Downlink Payload**
++
++(% style="width:500px" %)
++|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><DI1_trigger><DI2_trigger>
++|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
++**prefix :** AA 02
++
++**DI1_trigger:**
++
++1 = enable DI1 trigger, represented by 1 byte in hexadecimal.
++
++0 = disable DI1 trigger, represented by 1 byte in hexadecimal.
++
++**DI2 _trigger**
++
++1 = enable DI2 trigger, represented by 1 byte in hexadecimal.
++
++0 = disable DI2 trigger, represented by 1 byte in hexadecimal.
++)))
++|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
++AA 02 **01 00**
++
++Enable DI1 trigger, disable DI2 trigger
++)))
++
  ==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
  Sets DI1 or DI3 (for LT-33222-L) as a trigger.
@@ -970,6 +970,41 @@
  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%)    ~/~/ same as AT+TRIG1=aa,0x(bb cc)
++(% style="color:#037691" %)**AT Command**
++
++(% style="width:500px" %)
++|(% style="width:101px" %)**Command**|(% style="width:397px" %)AT+TRIG1=<interrupt_mode>,<minimum_signal_duration>
++|(% style="width:101px" %)**Response**|(% style="width:397px" %)
++|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
++**interrupt_mode** :  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
++
++**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
++)))
++|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
++AT+TRIG1=1,100
++
++Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
++)))
++
++(% class="wikigeneratedid" %)
++(% style="color:#037691" %)**Downlink Payload**
++
++(% border="2" style="width:500px" %)
++|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><interrupt_mode><minimum_signal_duration>
++|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
++**prefix** : 09 01
++
++**interrupt_mode** : 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
++
++**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal.
++)))
++|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
++09 01 **01 00 64**
++
++Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
++)))
++
++
  ==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
  Sets DI2 as a trigger.
@@ -980,7 +980,7 @@
  (% style="color:red" %)**b :** (%%)delay timing.
--**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
++**Example:** AT+TRIG2=0,100 (Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms)
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
@@ -988,6 +988,35 @@
  (% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
++(% style="color:#037691" %)**AT Command**
++
++(% border="2" style="width:500px" %)
++|(% style="width:94px" %)**Command**|(% style="width:404px" %)AT+TRIG2=<interrupt_mode>,<minimum_signal_duration>
++|(% style="width:94px" %)**Response**|(% style="width:404px" %)
++|(% style="width:94px" %)**Parameters**|(% style="width:404px" %)(((
++**interrupt_mode **:  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
++
++**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
++)))
++|(% style="width:94px" %)**Example**|(% style="width:404px" %)(((
++AT+TRIG2=0,100
++
++Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms.
++)))
++
++(% style="color:#037691" %)**Downlink Payload**
++
++(% border="2" style="width:500px" %)
++|(% style="width:96px" %)**Payload**|(% style="width:402px" %)<prefix><interrupt_mode><minimum_signal_duration>
++|(% style="width:96px" %)**Parameters**|(% style="width:402px" %)(((
++**prefix** : 09 02
++
++**interrupt_mode **: 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
++
++**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal
++)))
++|(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
++
  ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
  Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
@@ -999,7 +999,37 @@
  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%)  ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++(% border="2" style="width:500px" %)
++|(% style="width:104px" %)**Command**|(% style="width:394px" %)(((
++AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
++)))
++|(% style="width:104px" %)**Response**|(% style="width:394px" %)
++|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)-
++|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
++AT+ACLIM=10000,15000,0,0
++Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA
++)))
++
++(% border="2" style="width:500px" %)
++|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
++|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
++**prefix **: AA 01 - two bytes in hexadecimal
++
++**AC1_LIMIT_LOW** : lower limit of the current to be checked / threshold, two bytes in hexadecimal
++
++**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold, two bytes in hexadecimal
++
++**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold, two bytes in hexadecimal
++
++**AC2_LIMIT_HIGH** : higher limit of the current to be checked / threshold, two bytes in hexadecimal
++)))
++|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
++AA 01 27 10 3A 98 00 00 00 00
++
++Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA
++)))
++
  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
  Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
@@ -1491,7 +1491,7 @@
  [[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
--**Viewing integration details**:
++==== 3.5.2.1 Viewing integration details ====
  Click on your integration from the list. The **Integration details** window will appear with the **Details **tab selected. The **Details **tab shows all the settings you have provided for this integration.
@@ -1504,7 +1504,7 @@
  See also ThingsEye documentation.
  {{/info}}
--**Viewing events:**
++==== **3.5.2.2 Viewing events** ====
  The **Events **tab displays all the uplink messages from the LT-22222-L.
@@ -1519,22 +1519,22 @@
  [[image:thingseye-json.png||width="1000"]]
--**Deleting the integration**:
++==== **3.5.2.3 Deleting an integration** ====
--If you want to delete this integration, click the **Delete integratio**n button.
++If you want to delete an integration, click the **Delete integratio**n button on the Integrations page.
  == 3.6 Interface Details ==
--=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
++=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active ) ===
--Support NPN-type sensor
++Supports NPN-type sensors.
  [[image:1653356991268-289.png]]
--=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
++=== 3.6.2 Digital Input Ports: DI1/DI2 ===
  (((
@@ -1664,7 +1664,7 @@
  [[image:image-20240219115718-1.png]]
--=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
++=== 3.6.3 Digital Output Ports: DO1/DO2 ===
  (% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
@@ -1775,9 +1775,10 @@
  (((
  You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
++
++[[image:usb-ttl-programming.png]]
  )))
--[[image:1653358238933-385.png]]
  (((
@@ -1796,19 +1796,19 @@
  (((
  The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between working modes.
--* AT+<CMD>? : Help on <CMD>
--* AT+<CMD> : Run <CMD>
--* AT+<CMD>=<value> : Set the value
--* AT+<CMD>=? : Get the value
--* ATZ: Trigger a reset of the MCU
++* **##AT##+<CMD>?** : Help on <CMD>
++* **##AT##+<CMD>** : Run <CMD>
++* **##AT##+<CMD>=<value>** : Set the value
++* **##AT##+<CMD>=?** : Get the value
++* ##**ATZ**##: Trigger a reset of the MCU
  * ##**AT+FDR**##: Reset Parameters to factory default, reserve keys
  * **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
  * **##AT+DADDR##**: Get or set the Device Address (DevAddr)
  * **##AT+APPKEY##**: Get or set the Application Key (AppKey)
--* AT+NWKSKEY: Get or set the Network Session Key (NwkSKey)
--* AT+APPSKEY: Get or set the Application Session Key (AppSKey)
--* AT+APPEUI: Get or set the Application EUI (AppEUI)
--* AT+ADR: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
++* ##**AT+NWKSKEY**##: Get or set the Network Session Key (NwkSKey)
++* **##AT+APPSKEY##**: Get or set the Application Session Key (AppSKey)
++* **##AT+APPEUI##**: Get or set the Application EUI (AppEUI)
++* **##AT+ADR##**: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
  * AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
  * AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)
  * AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
@@ -1975,7 +1975,7 @@
  (((
--(% style="color:blue" %)**If sensor JOINED:**
++(% style="color:blue" %)**If the sensor has JOINED:**
  (% style="background-color:#dcdcdc" %)**AT+CLASS=A**
@@ -1985,7 +1985,7 @@
  = 5. Case Study =
--== 5.1 Counting how many objects pass through the flow Line ==
++== 5.1 Counting how many objects pass through the flow line ==
  See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
@@ -2157,7 +2157,6 @@
  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
  * After a restart, the status before the power failure will be read from flash.
--
  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
  The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below:
@@ -2236,7 +2236,6 @@
  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
--
  = 9. Package information =
  **Package includes**:
@@ -2253,7 +2253,6 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170 g
--
  = 10. Support =
  * (((

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