Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -349,7 +349,9 @@ 349 349 350 350 If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01. 351 351 352 +((( 352 352 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 354 +))) 353 353 354 354 [[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]] 355 355 ... ... @@ -357,13 +357,19 @@ 357 357 358 358 [[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]] 359 359 360 -[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height=" 800" width="600"]]362 +[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]] 361 361 364 +((( 362 362 First of all, since the default device address of the energy meter is 01, the configuration of two energy meters will conflict, so we first connect an energy meter and configure the device address. 366 +))) 363 363 368 +((( 364 364 We can use AT+CFGDEV to set the device address. 370 +))) 365 365 372 +((( 366 366 We modify the device address 01 of the first energy meter to 02. 374 +))) 367 367 368 368 [[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]] 369 369