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 < 126.17 >

edited by Xiaoling
on 2023/06/19 16:16

To version < 128.2 >

edited by Xiaoling
on 2023/11/17 08:41

Change comment: There is no comment for this version

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@@ -204,7 +204,6 @@
  * Smart Factory
--
  == 1.5 Hardware Variants ==
@@ -293,7 +293,6 @@
  [[image:1653298023685-319.png]]
--
  (((
  (% 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.
@@ -349,7 +349,7 @@
  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
  )))
--* RO is for relay. ROx=1 : close，ROx=0 always open.
++* RO is for relay. ROx=1 : close, ROx=0 always open.
  * 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.
@@ -360,7 +360,7 @@
  **The value for the interface is:  **
--AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
++AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
  AVI2 channel voltage is 0x04AC/1000=1.196V
@@ -388,7 +388,6 @@
  ** 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) ===
@@ -413,7 +413,7 @@
  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
--RO is for relay. ROx=1 : close，ROx=0 always open.
++RO is for relay. ROx=1 : close , ROx=0 always open.
  )))
  * FIRST: Indicate this is the first packet after join network.
@@ -421,6 +421,8 @@
  (((
  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
++
++
  )))
  (((
@@ -427,7 +427,6 @@
  **To use counting mode, please run:**
  )))
--
  (((
  (% class="box infomessage" %)
  (((
@@ -481,7 +481,7 @@
  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
  )))
--* RO is for relay. ROx=1 : close，ROx=0 always open.
++* RO is for relay. ROx=1 : close, ROx=0 always open.
  * FIRST: Indicate this is the first packet after join network.
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
@@ -533,7 +533,7 @@
  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
  )))
--* RO is for relay. ROx=1 : close，ROx=0 always open.
++* RO is for relay. ROx=1 : close, ROx=0 always open.
  * FIRST: Indicate this is the first packet after join network.
  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
@@ -598,7 +598,7 @@
  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
  )))
--* RO is for relay. ROx=1 : close，ROx=0 always open.
++* RO is for relay. ROx=1 : close, ROx=0 always open.
  * FIRST: Indicate this is the first packet after join network.
  * (((
  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
@@ -641,7 +641,6 @@
 . 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**:
@@ -1140,7 +1140,7 @@
--==== 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:**
@@ -1432,7 +1432,6 @@
  [[image:1653356838789-523.png||height="337" width="740"]]
--
  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
  [[image:image-20220524094909-1.png||height="335" width="729"]]
@@ -1586,7 +1586,6 @@
  [[image:image-20230616235145-1.png]]
--
  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
@@ -2027,7 +2027,6 @@
  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.**
--
  )))
  (((
@@ -2040,13 +2040,11 @@
  (((
  (% style="color:blue" %)**If sensor JOINED:**
--(((
--(% class="box infomessage" %)
--**AT+CLASS=A**
--**ATZ**
++(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
++
++(% style="background-color:#dcdcdc" %)**ATZ**
  )))
--)))
  = 5. Case Study =
@@ -2098,7 +2098,6 @@
  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
--
  [[image:1653360054704-518.png||height="186" width="745"]]
@@ -2162,13 +2162,21 @@
  (((
  (% style="background-color:#dcdcdc" %)**123456** (%%)   :   Enter Password to have AT access.
++
  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)   :   Reset Parameters to Factory Default, Keys Reserve
++
  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :   Set to ABP mode
++
  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)  :  Set the Adaptive Data Rate Off
++
  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)    :   Set Data Rate (Set AT+DR=3 for 915 band)
++
  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%)   :      Set transmit interval to 60 seconds
++
  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
++
  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
++
  (% style="background-color:#dcdcdc" %)**ATZ**        (%%)                              :  Reset MCU
  )))
@@ -2180,7 +2180,7 @@
  [[image:1653360498588-932.png||height="485" width="726"]]
--== 6.4 How to change the uplink interval？ ==
++== 6.4 How to change the uplink interval? ==
  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
@@ -2229,6 +2229,12 @@
  Firmware version needs to be no less than 1.6.0.
++== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
++
++
++It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
++
++
  = 7. Trouble Shooting =
  )))
@@ -2269,6 +2269,13 @@
  )))
++== 7.4  Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
++
++The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
++Use this command to bring their counts back together:
++
++[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.4.2.23Resetsthedownlinkpacketcount>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.4.2.23Resetsthedownlinkpacketcount]]
++
  = 8. Order Info =

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