Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -64,7 +64,7 @@ 64 64 ))) 65 65 66 66 * ((( 67 -STM32L072 CZT6MCU67 +STM32L072xxxx MCU 68 68 ))) 69 69 * ((( 70 70 SX1276/78 Wireless Chip ... ... @@ -186,9 +186,6 @@ 186 186 * Firmware upgradable via program port 187 187 * Counting 188 188 189 - 190 - 191 - 192 192 == 1.4 Applications == 193 193 194 194 ... ... @@ -199,9 +199,6 @@ 199 199 * Smart Cities 200 200 * Smart Factory 201 201 202 - 203 - 204 - 205 205 == 1.5 Hardware Variants == 206 206 207 207 ... ... @@ -216,8 +216,6 @@ 216 216 * 1 x Counting Port 217 217 ))) 218 218 219 - 220 - 221 221 = 2. Power ON Device = 222 222 223 223 ... ... @@ -776,9 +776,6 @@ 776 776 777 777 * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 778 778 779 - 780 - 781 - 782 782 === 3.4.1 Common Commands === 783 783 784 784 ... ... @@ -1256,14 +1256,14 @@ 1256 1256 1257 1257 1258 1258 1259 -==== 3.4.2.20 Reset save DR DO state ====1248 +==== 3.4.2.20 Reset save RO DO state ==== 1260 1260 1261 1261 1262 1262 * (% style="color:#037691" %)**AT Command:** 1263 1263 1264 -(% 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) 1265 1265 1266 -(% 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. 1267 1267 1268 1268 1269 1269 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):** ... ... @@ -1549,8 +1549,10 @@ 1549 1549 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1550 1550 1551 1551 1552 -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. 1553 1553 1543 +Note: DO pins go to float when device is power off. 1544 + 1554 1554 [[image:1653357531600-905.png]] 1555 1555 1556 1556 ... ... @@ -1591,7 +1591,9 @@ 1591 1591 1592 1592 1593 1593 ((( 1594 -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. 1595 1595 ))) 1596 1596 1597 1597 [[image:image-20220524100215-9.png]] ... ... @@ -2134,7 +2134,13 @@ 2134 2134 [[image:image-20221006170630-1.png||height="610" width="945"]] 2135 2135 2136 2136 2130 +== 5.8 Can LT22222-L save RO state? == 2137 2137 2132 + 2133 +Firmware version needs to be no less than 1.6.0. 2134 + 2135 + 2136 + 2138 2138 = 6. Trouble Shooting = 2139 2139 2140 2140 ... ... @@ -2197,9 +2197,6 @@ 2197 2197 * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865 2198 2198 * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779 2199 2199 2200 - 2201 - 2202 - 2203 2203 = 8. Packing Info = 2204 2204 2205 2205 ... ... @@ -2217,9 +2217,6 @@ 2217 2217 * Package Size / pcs : 14.5 x 8 x 5 cm 2218 2218 * Weight / pcs : 170g 2219 2219 2220 - 2221 - 2222 - 2223 2223 = 9. Support = 2224 2224 2225 2225 ... ... @@ -2230,7 +2230,6 @@ 2230 2230 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]] 2231 2231 2232 2232 2233 - 2234 2234 2235 2235 ))) 2236 2236
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