Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -187,33 +187,65 @@ 187 187 188 188 [[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]] 189 189 190 +((( 190 190 DOWNLINK 192 +))) 191 191 194 +((( 195 + 196 +))) 197 + 198 +((( 192 192 Type Code 0xAF 200 +))) 193 193 202 +((( 194 194 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 204 +))) 195 195 206 +((( 196 196 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 208 +))) 197 197 210 +((( 198 198 Format: AF MM NN LL XX XX XX XX YY 212 +))) 199 199 214 +((( 200 200 Where: 216 +))) 201 201 218 +((( 202 202 MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 220 +))) 203 203 222 +((( 204 204 NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 224 +))) 205 205 226 +((( 206 206 LL: The length of AT+COMMAND or AT+DATACUT command 228 +))) 207 207 230 +((( 208 208 XX XX XX XX: AT+COMMAND or AT+DATACUT command 232 +))) 209 209 234 +((( 210 210 YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN 236 +))) 211 211 238 +((( 212 212 will execute an uplink after got this command. 240 +))) 213 213 242 +((( 214 214 Example: 244 +))) 215 215 246 +((( 216 216 AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 248 +))) 217 217 218 218 [[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]] 219 219