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 < 191.1 >

edited by Dilisi S
on 2024/11/14 03:08

Change comment: Uploaded new attachment "lt-22222-l-abp.png", version {1}

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@@ -111,6 +111,7 @@
  * Smart cities
  * Smart factory
++
  = 2. Assembling the device =
  == 2.1 Connecting the antenna ==
@@ -1794,7 +1794,7 @@
  )))
  (((
--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.
++The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between work modes.
  * AT+<CMD>? : Help on <CMD>
  * AT+<CMD> : Run <CMD>
@@ -1853,28 +1853,28 @@
  (((
--(% style="color:blue" %)**If the device has not yet joined the network:**
++(% style="color:blue" %)**If the device has not joined the network yet:**
  )))
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
++(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/Reset parameters to factory default, Reserve keys**##
++(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
++(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/Set to ABP mode**##
++(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**ATZ ~/~/Reset MCU**##
++(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**##
  )))
@@ -1897,20 +1897,20 @@
  (((
--(% style="background-color:#dcdcdc" %)**123456**(%%)        ~/~/ Enter password to enable AT commands access
++(% style="background-color:#dcdcdc" %)**123456**(%%)        ~/~/ Enter Password to have AT access.
  )))
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)     ~/~/ Reset parameters to Factory Default, Reserve keys
++(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)     ~/~/ Reset Parameters to Factory Default, Keys Reserve
  )))
  (((
--(% style="background-color:#dcdcdc" %)** 123456**(%%)       ~/~/ Enter password to enable AT commands access
++(% style="background-color:#dcdcdc" %)** 123456**(%%)       ~/~/ Enter Password to have AT access.
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)   ~/~/ Set to CLASS C mode
++(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)   ~/~/ Set to work in CLASS C
  )))
  (((
@@ -1930,19 +1930,19 @@
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)     ~/~/ Set transmit frequency to 868.4 MHz
++(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)     ~/~/ Set transmit frequency to 868.4Mhz
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)    ~/~/ Set RX2 frequency to 868.4 MHz (according to the result from the server)
++(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)    ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** **                   ~/~/ Set RX2 DR to match the downlink DR from the server. See below.
++(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** **                   ~/~/ Set RX2DR to match the downlink DR from server. see below
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%)     ~/~/ Set Device Address. The Device Address can be found in the application on the LoRaWAN NS.
++(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%)     ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
  )))
  (((
@@ -1956,14 +1956,14 @@
  )))
  (((
--**~1. Ensure that the device is set to ABP mode in the LoRaWAN Network Server.**
++**~1. Make sure the device is set to ABP mode in the IoT Server.**
--**2. Verify that the LG01/02 gateway RX frequency matches the AT+CHS setting exactly.**
++**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
--**3. Make sure the SF/bandwidth settings in the LG01/LG02 match the settings of AT+DR. Refer to [[this link>>url:http://www.dragino.com/downloads/index.php?
++**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 commands AT+RX2FQ and AT+RX2DR enable downlink functionality. To set the correct parameters, you can check the actual downlink parameters to be used as shown below. Here, RX2FQ should be set to 868400000 and RX2DR should be set to 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.**
  )))
  (((
@@ -1997,8 +1997,10 @@
  == 6.1 How to update the firmware? ==
--Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to:
++Dragino frequently releases firmware updates for the LT-22222-L.
++Updating your LT-22222-L with the latest firmware version helps to:
++
  * Support new features
  * Fix bugs
  * Change LoRaWAN frequency bands
@@ -2016,8 +2016,8 @@
  Below is the hardware setup for uploading a firmware image to the LT-22222-L:
--[[image:usb-ttl-programming.png]]
++[[image:1653359603330-121.png]]
  Start the STM32 Flash Loader and choose the correct COM port to update.
@@ -2041,7 +2041,7 @@
  [[image:image-20220524104033-15.png]]
--(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5 mm cable. The pin mapping is as follows:
++(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
  [[image:1653360054704-518.png||height="186" width="745"]]
@@ -2059,18 +2059,18 @@
  (((
--== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
++== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
  )))
  (((
  (((
--In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
++In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
  )))
  )))
  (((
  (((
--We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
++Assume you have an LG02 working on the frequency 868400000. Below are the steps.
  )))
@@ -2077,55 +2077,52 @@
  )))
  (((
--(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack Sandbox account and create an ABP device in the application. To do this, use the manual registration option as explained in section 3.2.2.2, //Adding a Device Manually//. Select //Activation by Personalization (ABP)// under Activation Mode. Enter the DevEUI exactly as shown on the registration information sticker, then generate the Device Address, Application Session Key (AppSKey), and Network Session Key (NwkSKey).
++(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
--[[image:lt-22222-l-abp.png||height="686" width="1000"]]
++
  )))
  (((
++[[image:1653360231087-571.png||height="401" width="727"]]
++
  )))
--{{warning}}
--Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-L and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-L to make them align. In The Things Stack, you can configure the NwkSKey and AppSKey on the settings page, but note that the Device Address is generated by The Things Stack.
--{{/warning}}
++(((
++(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
++)))
++
  (((
--(% style="color:blue" %)**Step 2**(%%)**:  **(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)Run AT commands to configure the LT-22222-L to operate in single-frequency and ABP mode. The AT commands are as follows:
++(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
  )))
  (((
--(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
++(% style="background-color:#dcdcdc" %)**123456** (%%)   :   Enter Password to have AT access.
--(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
++(% 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+NJM=0** (%%) :   Set to ABP mode
--(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Disable the Adaptive Data Rate (ADR).
++(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)  :  Set the Adaptive Data Rate Off
--(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
++(% 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+TDC=60000 **(%%)   :      Set transmit interval to 60 seconds
--(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4 MHz.
++(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
--(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
++(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
--(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:700; text-decoration:none; white-space:pre-wrap" %)**AT+APPKEY=xxxx**(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %): Get or set the Application Key (AppKey)
--
--(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+NWKSKEY=xxxx**: Get or set the Network Session Key (NwkSKey)
--
--(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+APPSKEY=xxxx**: Get or set the Application Session Key (AppSKey)
--
--(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
++(% style="background-color:#dcdcdc" %)**ATZ**        (%%)                              :  Reset MCU
  )))
  (((
--(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The following figure shows the screenshot of the command set above, issued using a serial tool:
++As shown in below:
  )))
  [[image:1653360498588-932.png||height="485" width="726"]]
@@ -2139,7 +2139,7 @@
  == 6.5 Can I see the counting event in the serial output? ==
  (((
--You can run the AT command **AT+DEBUG** to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
++You can run the AT command AT+DEBUG to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
@@ -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:
@@ -2168,7 +2168,7 @@
  == 6.9 Can the LT-22222-L save the RO state? ==
--To enable this feature, the firmware version must be 1.6.0 or higher.
++The firmware version must be at least 1.6.0.
  == 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
@@ -2214,7 +2214,7 @@
  )))
--== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
++== 7.4 Why can the LT-22222-L 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.
  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
@@ -2236,15 +2236,14 @@
  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
++= 9. Packing information =
--= 9. Package information =
--
  **Package includes**:
  * 1 x LT-22222-L I/O Controller
  * 1 x LoRa antenna matched to the frequency of the LT-22222-L
  * 1 x bracket for DIN rail mounting
--* 1 x 3.5 mm programming cable
++* 1 x 3.5mm programming cable
  **Dimension and weight**:
@@ -2253,7 +2253,6 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170 g
--
  = 10. Support =
  * (((

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