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 < 77.98 >

edited by Xiaoling
on 2022/06/10 09:32

To version < 82.19 >

edited by Xiaoling
on 2022/06/20 11:53

Change comment: There is no comment for this version

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@@ -19,6 +19,8 @@
  == 1.1 What is LT Series I/O Controller ==
  (((
++
++
  The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
  )))
@@ -48,6 +48,7 @@
  )))
++
  == 1.2  Specifications ==
  (((
@@ -76,6 +76,8 @@
  )))
  (((
++
++
  **Interface for Model: LT22222-L:**
  )))
@@ -99,6 +99,8 @@
  )))
  (((
++
++
  **LoRa Spec:**
  )))
@@ -159,6 +159,8 @@
  * (((
  Packet engine up to 256 bytes with CRC.
++
++
  )))
@@ -172,6 +172,8 @@
  * Firmware upgradable via program port
  * Counting
++
++
  == 1.4  Applications ==
  * Smart Buildings & Home Automation
@@ -181,6 +181,8 @@
  * Smart Cities
  * Smart Factory
++
++
  == 1.5 Hardware Variants ==
  (% border="1" style="background-color:#f7faff; width:500px" %)
@@ -194,6 +194,7 @@
  * 1 x Counting Port
  )))
++
  = 2. Power ON Device =
  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
@@ -216,12 +216,9 @@
  (((
  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.
--
--
  )))
--
  == 3.2 Example to join LoRaWAN network ==
  (((
@@ -230,12 +230,13 @@
  [[image:image-20220523172350-1.png||height="266" width="864"]]
++
  (((
  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:
  )))
  (((
--**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.
  )))
  (((
@@ -244,6 +244,7 @@
  [[image:1653297924498-393.png]]
++
  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
  Add APP EUI in the application.
@@ -257,7 +257,7 @@
  (((
--**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.
  )))
  [[image:1653298044601-602.png||height="405" width="709"]]
@@ -276,6 +276,7 @@
  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
++
  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
@@ -314,8 +314,6 @@
  * [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;
@@ -369,12 +369,7 @@
  (((
  (((
  **AT+MOD=2**
--)))
--)))
--(% class="box infomessage" %)
--(((
--(((
  **ATZ**
  )))
  )))
@@ -393,40 +393,15 @@
  (((
  (((
  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
--)))
--)))
--(% class="box infomessage" %)
--(((
--(((
  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
--)))
--)))
--(% class="box infomessage" %)
--(((
--(((
  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
--)))
--)))
--(% class="box infomessage" %)
--(((
--(((
  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
--)))
--)))
--(% class="box infomessage" %)
--(((
--(((
  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
--)))
--)))
--(% class="box infomessage" %)
--(((
--(((
  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
  )))
  )))
@@ -461,12 +461,7 @@
  (((
  (((
  **AT+MOD=3**
--)))
--)))
--(% class="box infomessage" %)
--(((
--(((
  **ATZ**
  )))
  )))
@@ -473,11 +473,10 @@
  (((
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
--
--
  )))
++
  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
@@ -512,20 +512,13 @@
  (((
  (((
  **AT+MOD=4**
--)))
--)))
--(% class="box infomessage" %)
--(((
--(((
  **ATZ**
  )))
  )))
--(((
--
--)))
++
  (((
  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
  )))
@@ -539,33 +539,17 @@
  (% class="box infomessage" %)
  (((
  (((
--**AT+SETCNT=3,60   (set AVI Count to 60)**
--)))
--)))
++(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
--(% class="box infomessage" %)
--(((
--(((
--**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
--)))
--)))
++(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
--(% class="box infomessage" %)
--(((
--(((
--**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
--)))
--)))
++(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
--(% class="box infomessage" %)
--(((
--(((
--**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
++(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
  )))
  )))
--
  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
@@ -599,12 +599,7 @@
  (((
  (((
  **AT+MOD=5**
--)))
--)))
--(% class="box infomessage" %)
--(((
--(((
  **ATZ**
  )))
  )))
@@ -625,16 +625,13 @@
  * **AT+MOD=1 **  **~-~->** The normal working mode
  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
--
  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.**
++(% style="color:#037691" %)**AT Command to set Trigger Condition**:
--
--**AT Command to set Trigger Condition**:
--
  (% style="color:#4f81bd" %)**Trigger base on voltage**:
  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
@@ -669,7 +669,7 @@
  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
--**Downlink Command to set Trigger Condition:**
++(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
@@ -712,8 +712,6 @@
  * Each bits shows if the corresponding trigger has been configured.
--
--
  **Example:**
  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
@@ -725,8 +725,6 @@
  * Each bits shows which status has been trigger on this uplink.
--
--
  **Example:**
  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
@@ -738,8 +738,6 @@
  * Each bits shows which status has been trigger on this uplink.
--
--
  **Example:**
  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
@@ -768,7 +768,6 @@
  )))
--
  == 3.4 Configure LT via AT or Downlink ==
  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
@@ -795,7 +795,7 @@
  Set device uplink interval.
--* AT Command:
++* (% style="color:#037691" %)**AT Command:**
  (% class="box infomessage" %)
  (((
@@ -805,7 +805,7 @@
  **Example: **AT+TDC=30000. Means set interval to 30 seconds
--* Downlink Payload (prefix 0x01):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
  (% class="box infomessage" %)
  (((
@@ -818,7 +818,7 @@
  Set work mode.
--* AT Command:
++* (% style="color:#037691" %)**AT Command:**
  (% class="box infomessage" %)
  (((
@@ -828,7 +828,7 @@
  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
--* Downlink Payload (prefix 0x0A):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
  (% class="box infomessage" %)
  (((
@@ -839,12 +839,12 @@
  ==== 3.4.2.3 Poll an uplink ====
--* AT Command:
++* (% style="color:#037691" %)AT Command:
  There is no AT Command to poll uplink
--* Downlink Payload (prefix 0x08):
++* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
  (% class="box infomessage" %)
  (((
@@ -859,7 +859,7 @@
  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--* AT Command:
++* (% style="color:#037691" %)AT Command:
  (% class="box infomessage" %)
  (((
@@ -871,7 +871,7 @@
 : Disable Trigger Mode
--* Downlink Payload (prefix 0x0A 06):
++* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
  (% class="box infomessage" %)
  (((
@@ -884,12 +884,12 @@
  Poll trigger settings,
--* AT Command:
++* (% style="color:#037691" %)AT Command:
  There is no AT Command for this feature.
--* Downlink Payload (prefix 0x AB 06):
++* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
  (% class="box infomessage" %)
  (((
@@ -902,7 +902,7 @@
  Enable Disable DI1/DI2/DI2 as trigger,
--* AT Command:
++* (% style="color:#037691" %)AT Command:
  (% class="box infomessage" %)
  (((
@@ -914,7 +914,7 @@
  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
--* Downlink Payload (prefix 0xAA 02):
++* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
  (% class="box infomessage" %)
  (((
@@ -927,12 +927,9 @@
  Set DI1 or DI3(for LT-33222-L) trigger.
--* AT Command:
++* (% style="color:#037691" %)AT Command:
--(% class="box infomessage" %)
--(((
  **AT+TRIG1=a,b**
--)))
  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
@@ -944,12 +944,9 @@
  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
--* Downlink Payload (prefix 0x09 01 ):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
++* **0x09 01 aa bb cc    **     ~/~/ same as AT+TRIG1=aa,0x(bb cc)
--(% class="box infomessage" %)
--(((
--**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
--)))
@@ -957,13 +957,11 @@
  Set DI2 trigger.
--* AT Command:
++* (% style="color:#037691" %)**AT Command:**
--(% class="box infomessage" %)
--(((
  **AT+TRIG2=a,b**
--)))
++
  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
  b : delay timing.
@@ -974,91 +974,71 @@
  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
--* Downlink Payload (prefix 0x09 02 ):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
--(% class="box infomessage" %)
--(((
--**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
--)))
++**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
++
  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--* AT Command:
++* (% style="color:#037691" %)**AT Command**
--(% class="box infomessage" %)
--(((
--**AT+ACLIM. **
--)))
++**AT+ACLIM**
--* Downlink Payload (prefix 0xAA 01 ):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
--(% class="box infomessage" %)
--(((
--**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
--)))
++**0x AA 01 aa bb cc dd ee ff gg hh        **   ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++
  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
--* AT Command:
++* (% style="color:#037691" %)**AT Command**
--(% class="box infomessage" %)
--(((
--**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
--)))
++**AT+AVLIM            See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
--* Downlink Payload (prefix 0xAA 00 ):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
--(% class="box infomessage" %)
--(((
--**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
--)))
++**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++
  ==== 3.4.2.11 Trigger – Set minimum interval ====
  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
--* AT Command:
++* (% style="color:#037691" %)**AT Command**
--(% class="box infomessage" %)
--(((
  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
--)))
--* Downlink Payload (prefix 0xAC ):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
--(% class="box infomessage" %)
--(((
--**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
--)))
++**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
++
  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
--* AT Command:
++* (% style="color:#037691" %)**AT Command**
  There is no AT Command to control Digital Output
--* Downlink Payload (prefix 0x02):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
++* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
--(% class="box infomessage" %)
--(((
--**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
--)))
  (((
  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
@@ -1080,22 +1080,19 @@
++
  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
--* AT Command:
++* (% style="color:#037691" %)**AT Command**
  There is no AT Command to control Digital Output
--* Downlink Payload (prefix 0xA9):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
--(% class="box infomessage" %)
--(((
--(((
--**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
--)))
--)))
++**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
++
  This is to control the digital output time of DO pin. Include four bytes:
  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
@@ -1149,20 +1149,19 @@
++
  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
--* AT Command:
++* (% style="color:#037691" %)**AT Command:**
  There is no AT Command to control Relay Output
--* Downlink Payload (prefix 0x03):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
--(% class="box infomessage" %)
--(((
--**0x03 aa bb     ~/~/ Set RO1/RO2 output**
--)))
++**0x03 aa bb     **~/~/ Set RO1/RO2 output
++
  (((
  If payload = 0x030100, it means set RO1 to close and RO2 to open.
  )))
@@ -1179,20 +1179,19 @@
++
  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
--* AT Command:
++* (% style="color:#037691" %)**AT Command:**
  There is no AT Command to control Relay Output
--* Downlink Payload (prefix 0x05):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
--(% class="box infomessage" %)
--(((
--**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
--)))
++**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
++
  This is to control the relay output time of relay. Include four bytes:
  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
@@ -1234,35 +1234,28 @@
++
  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
--* AT Command:
++* (% style="color:#037691" %)**AT Command:**
--(% class="box infomessage" %)
--(((
--**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
--)))
++(% style="color:#037691" %)****(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
--* Downlink Payload (prefix 0xA5):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
--(% class="box infomessage" %)
--(((
--**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
--)))
++**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
++
  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
--* AT Command:
++* (% style="color:#037691" %)**AT Command:**
--(% class="box infomessage" %)
--(((
--**AT+SETCNT=aa,(bb cc dd ee) **
--)))
++(% style="color:#037691" %)****(%%)**AT+SETCNT=aa,(bb cc dd ee) **
  aa: 1: Set count1,
@@ -1273,51 +1273,40 @@
  Bb cc dd ee: number to be set
--* Downlink Payload (prefix 0xA8):
++* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
--(% class="box infomessage" %)
--(((
--**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
--)))
++**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
++
  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
  Clear counting for counting mode
--* AT Command:
++* (% style="color:#037691" %)**AT Command:**
--(% class="box infomessage" %)
--(((
--**AT+CLRCOUNT  ~/~/ clear all counting**
--)))
++(% style="color:#037691" %)(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
--* Downlink Payload (prefix 0xA6):
--(% class="box infomessage" %)
--(((
--**0x A6 01     ~/~/ clear all counting,**
--)))
++* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
++**0x A6 01    ** ~/~/ clear all counting
++
++
  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
--* AT Command:
++* (% style="color:#037691" %)**AT Command:**
--(% class="box infomessage" %)
--(((
--**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
--)))
++**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
--* Downlink Payload (prefix 0xA7):
--(% class="box infomessage" %)
--(((
--**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
--)))
++* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
++**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
++
  (((
  range: aa bb cc:0 to 16777215,  (unit:second)
@@ -1325,6 +1325,7 @@
  )))
++
  == 3.5 Integrate with Mydevice ==
  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
@@ -2014,8 +2014,16 @@
  )))
  (((
--
++== 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.
++
++It will default that this is a power-off state.
++
++In modes 2 to 5, DO RO status and pulse count are saved in flash.
++
++After restart, the status before power failure will be read from flash.
++
  = 6. Trouble Shooting =
  )))

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

Summary

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