Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -10,7 +10,6 @@ 10 10 11 11 Connection 12 12 13 - 14 14 [[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %) 15 15 16 16 Connection ... ... @@ -29,7 +29,6 @@ 29 29 30 30 Connection 31 31 32 - 33 33 [[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 34 34 35 35 Connection ... ... @@ -53,29 +53,17 @@ 53 53 54 54 Connection1 55 55 56 -((( 57 57 How to connect with Energy Meter： 58 -))) 59 59 60 -((( 61 61 Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively. 62 -))) 63 63 64 -((( 65 65 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 66 -))) 67 67 68 -((( 69 69 Power Source VIN to RS485-LN VIN+ 70 -))) 71 71 72 -((( 73 73 Power Source GND to RS485-LN VIN- 74 -))) 75 75 76 -((( 77 77 Once there is power, the RS485-LN will be on. 78 -))) 79 79 80 80 [[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]] 81 81 ... ... @@ -138,7 +138,7 @@ 138 138 139 139 (% class="box infomessage" %) 140 140 ((( 141 - 127 +AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 142 142 ))) 143 143 144 144 a: length for the return of AT+COMMAND ... ... @@ -372,29 +372,23 @@ 372 372 373 373 [[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]] 374 374 375 - **Example**:These two meters are examples of setting parameters and device addresses.361 +Example:These two meters are examples of setting parameters and device addresses. 376 376 377 -[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height=" 737" width="553"]]363 +[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]] 378 378 379 379 [[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]] 380 380 381 381 ((( 382 -((( 383 383 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. 384 384 ))) 385 -))) 386 386 387 387 ((( 388 -((( 389 389 We can use AT+CFGDEV to set the device address. 390 390 ))) 391 -))) 392 392 393 393 ((( 394 -((( 395 395 We modify the device address 01 of the first energy meter to 02. 396 396 ))) 397 -))) 398 398 399 399 [[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]] 400 400
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