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 ... ... @@ -188,7 +188,6 @@ 188 188 189 189 190 190 191 - 192 192 == 1.4 Applications == 193 193 194 194 ... ... @@ -201,7 +201,6 @@ 201 201 202 202 203 203 204 - 205 205 == 1.5 Hardware Variants == 206 206 207 207 ... ... @@ -315,6 +315,8 @@ 315 315 * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 316 316 * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5 317 317 316 + 317 + 318 318 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 319 319 320 320 ... ... @@ -371,6 +371,8 @@ 371 371 ** DO1 is high in case there is load between DO1 and V+. 372 372 ** DO1 LED is off in both case 373 373 374 + 375 + 374 374 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 375 375 376 376 ... ... @@ -778,7 +778,6 @@ 778 778 779 779 780 780 781 - 782 782 === 3.4.1 Common Commands === 783 783 784 784 ... ... @@ -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. 1553 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v. 1553 1553 1555 +Note: DO pins go to float when device is power off. 1556 + 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: 1597 +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: 1598 + 1599 +**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 2142 +== 5.8 Can LT22222-L save RO state? == 2137 2137 2144 + 2145 +Firmware version needs to be no less than 1.6.0. 2146 + 2147 + 2148 + 2138 2138 = 6. Trouble Shooting = 2139 2139 2140 2140 ... ... @@ -2199,7 +2199,6 @@ 2199 2199 2200 2200 2201 2201 2202 - 2203 2203 = 8. Packing Info = 2204 2204 2205 2205 ... ... @@ -2219,7 +2219,6 @@ 2219 2219 2220 2220 2221 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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