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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 104.1
edited by Xiaoling
on 2022/11/12 17:48
Change comment: Uploaded new attachment "image-20221112174847-1.png", version {1}
To version 107.1
edited by Bei Jinggeng
on 2022/11/18 10:08
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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64 64  )))
65 65  
66 66  * (((
67 -STM32L072CZT6 MCU
67 +STM32L072xxxx MCU
68 68  )))
69 69  * (((
70 70  SX1276/78 Wireless Chip 
... ... @@ -307,7 +307,6 @@
307 307  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
308 308  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
309 309  
310 -
311 311  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
312 312  
313 313  
... ... @@ -364,7 +364,6 @@
364 364  ** DO1 is high in case there is load between DO1 and V+.
365 365  ** DO1 LED is off in both case
366 366  
367 -
368 368  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
369 369  
370 370  
... ... @@ -1247,14 +1247,14 @@
1247 1247  
1248 1248  
1249 1249  
1250 -==== 3.4.2.20 Reset save DR DO state ====
1248 +==== 3.4.2.20 Reset save RO DO state ====
1251 1251  
1252 1252  
1253 1253  * (% style="color:#037691" %)**AT Command:**
1254 1254  
1255 -(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1253 +(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1256 1256  
1257 -(% style="color:blue" %)**AT+RODORET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1255 +(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1258 1258  
1259 1259  
1260 1260  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
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1540 1540  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1541 1541  
1542 1542  
1543 -NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1541 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1544 1544  
1543 +Note: DO pins go to float when device is power off.
1544 +
1545 1545  [[image:1653357531600-905.png]]
1546 1546  
1547 1547  
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1582 1582  
1583 1583  
1584 1584  (((
1585 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1585 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1586 +
1587 +**Note**: RO pins go to Open(NO) when device is power off.
1586 1586  )))
1587 1587  
1588 1588  [[image:image-20220524100215-9.png]]
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2125 2125  [[image:image-20221006170630-1.png||height="610" width="945"]]
2126 2126  
2127 2127  
2128 -== 5.8 Can LT22222 save RO state? ==
2130 +== 5.8 Can LT22222-L save RO state? ==
2129 2129  
2132 +
2130 2130  Firmware version needs to be no less than 1.6.0.
2131 2131  
2132 2132  
2136 +
2133 2133  = 6. Trouble Shooting =
2134 2134  
2135 2135  
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2209 2209  * Package Size / pcs : 14.5 x 8 x 5 cm
2210 2210  * Weight / pcs : 170g
2211 2211  
2212 -
2213 -
2214 2214  = 9. Support =
2215 2215  
2216 2216  
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2221 2221  Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2222 2222  
2223 2223  
2224 -
2225 2225  
2226 2226  )))
2227 2227