212
YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
•
b5-08 [PID Primary Delay Time Constant]
Purpose
Procedure
Results
Prevent overshoot.
•
Set
b5-05 [Derivative Time (D)]
to a smaller value.
•
Set
b5-03 [Integral Time (I)]
to a larger value.
Quickly stabilize control.
•
Set
b5-05 [Derivative Time (D)]
to a larger value.
•
Set
b5-03 [Integral Time (I)]
to a smaller value.
Prevent long-cycle oscillations.
Set
b5-03 [Integral Time (I)]
to a larger value.
Prevent short-cycle oscillations.
•
Set
b5-05 [Derivative Time (D)]
to a smaller value.
•
If you set
b5-05 = 0.00 [Derivative Time (D) =
disabling D control]
and it does not stop
oscillation, then set
b5-02 [Proportional Gain (P)]
to a smaller value or set
b5-08 [PID Primary
Delay Time Constant]
to a larger value.
■
System Units
The drive uses
b5-38 [PID User Unit Display Scaling]
,
b5-39 [PID Setpoint Display Digits]
, and
b5-46 [PID Unit
Display Selection]
together to apply the user-set PID setpoint and display units at any time.
Parameter
b5-38
sets the scaling and
b5-46
sets the units-text to the parameters and monitors shown in
and
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Страница 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
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Страница 780: ...11 3 European Standards 780 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...