Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -53,17 +53,29 @@ 53 53 54 54 Connection1 55 55 56 +((( 56 56 How to connect with Energy Meter： 58 +))) 57 57 60 +((( 58 58 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 +))) 59 59 64 +((( 60 60 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 66 +))) 61 61 68 +((( 62 62 Power Source VIN to RS485-LN VIN+ 70 +))) 63 63 72 +((( 64 64 Power Source GND to RS485-LN VIN- 74 +))) 65 65 76 +((( 66 66 Once there is power, the RS485-LN will be on. 78 +))) 67 67 68 68 [[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]] 69 69 ... ... @@ -126,7 +126,7 @@ 126 126 127 127 (% class="box infomessage" %) 128 128 ((( 129 -AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 141 + AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 130 130 ))) 131 131 132 132 a: length for the return of AT+COMMAND
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