Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 192.1 >
edited by Dilisi S
on 2024/11/14 04:18
To version < 187.1 >
edited by Dilisi S
on 2024/11/11 05:23
>
Change comment: Nov 10 edits part 2

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... ... @@ -111,6 +111,23 @@
111 111  * Smart cities
112 112  * Smart factory
113 113  
114 +== 1.5 Hardware Variants ==
115 +
116 +
117 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
118 +|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
119 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
120 +(% style="text-align:center" %)
121 +[[image:image-20230424115112-1.png||height="106" width="58"]]
122 +)))|(% style="width:334px" %)(((
123 +* 2 x Digital Input (Bi-direction)
124 +* 2 x Digital Output
125 +* 2 x Relay Output (5A@250VAC / 30VDC)
126 +* 2 x 0~~20mA Analog Input (res:0.01mA)
127 +* 2 x 0~~30V Analog Input (res:0.01v)
128 +* 1 x Counting Port
129 +)))
130 +
114 114  = 2. Assembling the device =
115 115  
116 116  == 2.1 Connecting the antenna ==
... ... @@ -301,12 +301,8 @@
301 301  (((
302 302  This is the default mode.
303 303  
304 -The uplink payload is 11 bytes long.
321 +The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
305 305  
306 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
307 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
308 -It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
309 -
310 310  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
311 311  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
312 312  |Value|(((
... ... @@ -376,10 +376,6 @@
376 376  (((
377 377  The uplink payload is 11 bytes long.
378 378  
379 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
380 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
381 -It starts counting again when it reaches the maximum value.**
382 -
383 383  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
384 384  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
385 385  |Value|COUNT1|COUNT2 |DIDORO*|(((
... ... @@ -444,9 +444,6 @@
444 444  
445 445  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
446 446  
447 -(% style="color:red" %)**Note: The maximum count depends on the bytes it is.
448 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
449 -It starts counting again when it reaches the maximum value.**
450 450  
451 451  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
452 452  
... ... @@ -497,11 +497,7 @@
497 497  
498 498  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
499 499  
500 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
501 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
502 -It starts counting again when it reaches the maximum value.**
503 503  
504 -
505 505  (((
506 506  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
507 507  )))
... ... @@ -566,11 +566,7 @@
566 566  
567 567  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
568 568  
569 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
570 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
571 -It starts counting again when it reaches the maximum value.**
572 572  
573 -
574 574  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
575 575  
576 576  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -2061,18 +2061,18 @@
2061 2061  (((
2062 2062  
2063 2063  
2064 -== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
2062 +== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2065 2065  )))
2066 2066  
2067 2067  (((
2068 2068  (((
2069 -In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
2067 +In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2070 2070  )))
2071 2071  )))
2072 2072  
2073 2073  (((
2074 2074  (((
2075 -We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
2073 +Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2076 2076  
2077 2077  
2078 2078  )))
... ... @@ -2079,55 +2079,52 @@
2079 2079  )))
2080 2080  
2081 2081  (((
2082 -(% 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).
2080 +(% 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.
2083 2083  
2084 -[[image:lt-22222-l-abp.png||height="686" width="1000"]]
2082 +
2085 2085  )))
2086 2086  
2087 2087  (((
2086 +[[image:1653360231087-571.png||height="401" width="727"]]
2087 +
2088 2088  
2089 2089  )))
2090 2090  
2091 -{{warning}}
2092 -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.
2093 -{{/warning}}
2091 +(((
2092 +(% 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.**
2093 +)))
2094 2094  
2095 2095  
2096 +
2096 2096  (((
2097 -(% 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:
2098 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2098 2098  
2099 2099  
2100 2100  )))
2101 2101  
2102 2102  (((
2103 -(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
2104 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2104 2104  
2105 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
2106 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2106 2106  
2107 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode.
2108 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2108 2108  
2109 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Disable the Adaptive Data Rate (ADR).
2110 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2110 2110  
2111 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
2112 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2112 2112  
2113 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds.
2114 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2114 2114  
2115 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4 MHz.
2116 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2116 2116  
2117 -(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
2118 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2118 2118  
2119 -(% 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)
2120 -
2121 -(% 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)
2122 -
2123 -(% 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)
2124 -
2125 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
2120 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2126 2126  )))
2127 2127  
2128 2128  
2129 2129  (((
2130 -(% 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:
2125 +As shown in below:
2131 2131  )))
2132 2132  
2133 2133  [[image:1653360498588-932.png||height="485" width="726"]]
... ... @@ -2141,7 +2141,7 @@
2141 2141  == 6.5 Can I see the counting event in the serial output? ==
2142 2142  
2143 2143  (((
2144 -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.
2139 +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.
2145 2145  
2146 2146  
2147 2147  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
... ... @@ -2159,6 +2159,7 @@
2159 2159  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2160 2160  * After a restart, the status before the power failure will be read from flash.
2161 2161  
2157 +
2162 2162  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2163 2163  
2164 2164  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:
... ... @@ -2169,7 +2169,7 @@
2169 2169  
2170 2170  == 6.9 Can the LT-22222-L save the RO state? ==
2171 2171  
2172 -To enable this feature, the firmware version must be 1.6.0 or higher.
2168 +The firmware version must be at least 1.6.0.
2173 2173  
2174 2174  
2175 2175  == 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
... ... @@ -2215,7 +2215,7 @@
2215 2215  )))
2216 2216  
2217 2217  
2218 -== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
2214 +== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2219 2219  
2220 2220  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2221 2221  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
... ... @@ -2238,7 +2238,7 @@
2238 2238  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2239 2239  
2240 2240  
2241 -= 9. Package information =
2237 += 9. Packing information =
2242 2242  
2243 2243  **Package includes**:
2244 2244  
... ... @@ -2245,7 +2245,7 @@
2245 2245  * 1 x LT-22222-L I/O Controller
2246 2246  * 1 x LoRa antenna matched to the frequency of the LT-22222-L
2247 2247  * 1 x bracket for DIN rail mounting
2248 -* 1 x 3.5 mm programming cable
2244 +* 1 x 3.5mm programming cable
2249 2249  
2250 2250  **Dimension and weight**:
2251 2251  
lt-22222-l-abp.png
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