■ b5-16: PID Sleep Delay Time
Sets the delay time to activate or deactivate the PID Sleep function.
■
b5-17: PID Accel/Decel Time
The PID acceleration/deceleration time is applied on the PID setpoint value.
As the normal acceleration times C1- are applied after the PID output, they reduce the responsiveness of the system
and can cause hunting or overshoot and undershoot when the setpoint changes quickly. Using the PID acceleration/
deceleration time instead helps to avoid such problems.
The PID acceleration/deceleration time can be canceled using a digital input programmed for “PID SFS cancel” (H1-
= 34).
■
b5-18: PID Setpoint Selection
Enables or disables parameter b5-19 for PID setpoint.
Setting 0: Disabled
Parameter b5-19 is not used as the PID setpoint.
Setting 1: Enabled
Parameter b5-19 is used as PID setpoint.
■
b5-19: PID Setpoint Value
Used as the PID setpoint if parameter b5-18 = 1.
■
b5-20: PID Setpoint Scaling
Determines the units that the PID setpoint (b5-19) is set in and displayed. Also determines the units for monitors U5-01
and U5-04.
Setting 0: Hz
The setpoint and PID monitors are displayed in Hz with a resolution of 0.01 Hz.
Setting 1: %
The setpoint and PID monitors are displayed as a percentage with a resolution of 0.01%.
Setting 2: r/min
The setpoint and PID monitors are displayed in r/min with a resolution of 1 r/min.
Setting 3: User Defined
Parameters b5-38 and b5-39 determine the units and resolution used to display the values the setpoint in b5-19, and PID
monitors U1-01 and U1-04.
No. Name Setting Range Default
b5-16 PID Sleep Delay Time 0.0 to 25.5 s 0.0 s
No. Name Setting Range Default
b5-17 PID Accel/Decel Time 0.0 to 6000.0 s 0.0 s
No. Parameter Name Setting Range Default
b5-18 PID Setpoint Selection 0 or 1 0
No. Name Setting Range Default
b5-19 PID Setpoint Value 0.00 to 100.00% 0.00%
No. Parameter Name Setting Range Default
b5-20 PID Setpoint Scaling 0 to 3 1
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