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N700E INSTRUCTION MANUAL
3-28
A77
PID Error Limit
Range: 0.0 ~ 100.0 % in 0.1 %
Program error limit level, ratio to the maximum error
Related Parameters:
A78
PID Output High Limit
Range: -100.0 ~ 100.0 % in 0.1 %
Program the maximum PID output as a percentage of the maximum output frequency
Related Parameters: A04
A79
PID Output Low Limit
0.00: Disabled the Low Limit
Range: -100.0 ~ 100.0 % in 0.1 %
Program the minimum PID output as a percentage of the maximum output frequency
Related Parameters: A04
A80
PID Output Invert
0: PID Output Invert Disabled
1: PID Output Invert Enabled
Program to enable the PID Output Invert
Related Parameters:
A81
PID Scale Factor
Range: 0.1~ 1000 % in 0.1 %
Program the minimum PID output as a percentage of the maximum output frequency(A04)
Related Parameters: A04
A82
Pre PID Frequency Setpoint
0.00: Disabled Pre PID Function
Range: 0.00 ~ Max Frequency(A04) in 0.01 Hz
Program the frequency setpoint when PID function is activated. Once the VFD frequency
out reaches this value in A82, PID control function is enabled and the VFD is operated in
closed loop control.
Related Parameters: A04
RUN Command
[FW,RV]
Output frequency
[d01]
PID feed-back
[d05]
PID operation
ON
ON
Pre PID frequency
[A82]
PID reference
[A71]
Pre-PID