YASKAWA OYMC V1000, Programming Manual

Page: 64 / 408

1.2 b: Application
64 YASKAWA ELECTRIC SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
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b5-01: PID Function Setting
Enables or disables the PID operation and selects the PID operation mode.
Setting 0: PID disabled
Setting 1: Output Frequency = PID Output 1
The PID controller is enabled and the PID output builds the frequency reference. The PID
input is D controlled.
Setting 2: Output Frequency = PID Output 2
The PID controller is enabled and the PID output builds the frequency reference. The PID
feedback is D controlled.
Setting 3: Output Frequency = Frequency Ref PID Output 1
The PID controller is enabled and the PID output is added to the frequency reference. The
PID input is D controlled.
Setting 4: Output Frequency = Frequency Ref PID Output 2
The PID controller is enabled and the PID output is added to the frequency reference. The
PID feedback is D controlled.
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b5-02: Proportional Gain Setting (P)
Sets the P gain that is applied to the PID input. A large value will tend to reduce the error but
may cause instability (oscillations) if too high. A small value may allow too much offset
between the setpoint and feedback.
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b5-03: Integral Time Setting (I)
Sets the time constant that is used to calculate the integral of the PID input. The smaller the
integral time set to b5-03, the faster the offset will be eliminated. If set too short, it can cause
overshoot or oscillations. To turn off the integral time, set b5-03 = 0.00.
No. Parameter Name Setting Range Default
b5-01 PID Function Setting 0 to 4 0
No. Name Setting Range Default
b5-02 Proportional Gain Setting (P) 0.00 to 25.00 1.00
No. Name Setting Range Default
b5-03 Integral Time Setting (I) 0.0 to 360.0 s 1.0 s