Delta VFD-VE - Derivative Control (D); Upper Limit for Integral Control; PID Output Frequency Limit; PID Offset, PID Delay Time

Chapter 4 Parameters
4-136
08-03  Derivative Control (D) Unit: 0.01
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 0.00
Settings 0.00 to 1.00 sec
 This parameter determines the damping effect for the PID feedback loop. If the
differential time is long, any oscillation will quickly subside. If the differential time is
short, the oscillation will subside slowly.
08-04  Upper limit for Integral Control Unit: 0.1
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 100.0
Settings 0.0 to 100.0%
 This parameter defines an upper bound or limit for the integral gain (I) and therefore
limits the Master Frequency.
The formula is: Integral upper bound = Maximum Output Frequency (Pr.01-00) x (Pr.08-
04).
08-05  PID Output Frequency Limit Unit: 0.1
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 100.0
Settings 0.0 to 110.0%
 This parameter defines the percentage of output frequency limit during the PID control.
The formula is Output Frequency Limit = Maximum Output Frequency (Pr.01-00) X Pr.08-
05 %. This parameter will limit the Maximum Output Frequency.
08-06  PID Offset Unit: 0.1
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 0.0
Settings -100.0 to 100.0%
08-07  PID Delay Time Unit: 0.1
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 0.0
Settings 0.0 to 2.5 sec