Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -154,10 +154,6 @@ 154 154 ))) 155 155 156 156 ((( 157 - 158 -))) 159 - 160 -((( 161 161 **Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 162 162 ))) 163 163 ... ... @@ -299,47 +299,30 @@ 299 299 300 300 === 1.3.4 How to configure and output commands for RS485 to USB === 301 301 302 -((( 303 303 This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN. 304 -))) 305 305 306 -((( 307 307 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 308 -))) 309 309 310 -((( 311 311 Open the serial port debugging, set the send and receive to HEX. 312 -))) 313 313 314 -((( 315 315 Baud rate: 9600 316 -))) 317 317 318 -((( 319 319 check digit: Even 320 -))) 321 321 322 322 [[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]] 323 323 324 324 USB 325 325 326 - 327 327 [[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 328 328 329 329 USB 330 330 331 - 332 -((( 333 333 The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command. 334 -))) 335 335 336 -((( 337 -**Example:** input:01 03 00 31 00 02 95 c4 338 -))) 318 +Example:input:01 03 00 31 00 02 95 c4 339 339 340 -((( 341 - output:01 03 04 00 00 00 42 7A 02 342 -))) 320 +{{{ output:01 03 04 00 00 00 42 7A 02 321 +}}} 343 343 344 344 [[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]] 345 345