PLC 配置
1.5.9 Analog input
M8058 ON analog input monitoring starts. OFF input monitoring stops.
P.73 sets the analog input range of terminals 2-5 (the minimum unit is 0.1%, the range is -100~100%, the
range corresponding to the percentage is set by P.73).
P.531 sets the analog input signal type and monitoring range of terminals 3-5 (the minimum unit is 0.1%, the
range is 0~100%, the range corresponding to the percentage is set by P.531). SW1 dials up 3-5 terminals to
monitor the input voltage, SW1 dials down 3-5 terminals to monitor the input current.
P.17 sets the analog input signal type and monitoring range of terminals 4-5 (the minimum unit is 0.1%, the
range is 0~100%, the range corresponding to the percentage is set by P.17). SW2 dial up 4-5 terminals to monitor
the input current, SW2 dial down 4-5 terminals to monitor the input voltage.
Note: The percentage is negative when a negative voltage is input to the 1.2-5 terminal. But the D register is
16-bit unsigned, so when the percentage is negative, the value of D8056 is 65536-the absolute value of the
negative percentage. For example, when the percentage is -100.0%, the value of D8056 is 65536 – 1000 =
64536.
2. SE3 has no 3 terminals.