Pid Output Frequency Limit; Feedback Signal Detection Time; Treatment Of The Erroneous Feedback Signals (For Pid And Pg Feedback Error); Deviation Range Of Pid Feedback Signal Error - Delta VFD-B User Manual

Chapter 5 Parameters|VFD-B Series
+
Setpoint
-
Input Freq.
Gain
10-01
10 - 07

PID Output Frequency Limit

Settings
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.10-07 %.
This parameter will limit the Maximum Output Frequency. An overall limit for the output
frequency can be set in Pr.01-07.

Feedback Signal Detection Time

10 - 08
Settings
This parameter defines the time during which the PID feedback must be abnormal before a
warning (see Pr.10-09) is given. It also can be modified according to the system feedback
signal time.
If this parameter is set to 0.0, the system would not detect any abnormality signal.
10 - 09

Treatment of the Erroneous Feedback Signals (for PID and PG feedback error)

Settings
AC motor drive action when the feedback signals (analog PID feedback or PG (encoder)
feedback) are abnormal according to Pr.10-16.
10 - 16

Deviation Range of PID Feedback Signal Error

Settings
5-98
P I
10-02 10-03
D
10-04
00 to 110 %
0.0 to d 3600.0 sec
00 Warning and keep operating
01 Warning and RAMP to stop
02 Warning and COAST to stop
0.00~100.00%
+
Integral
Output
gain +
Freq.
limit
Limit
10-05
+ 10-07
PID
feedback
10-00
Revision July 2008, BE16, SW V4.08 & V5.00
Digital
Freq.
filter
Command
10-06
Unit: 1
Factory Setting: 100
Unit: 0.1
Factory Setting: 60.0
Factory Setting: 00
Unit: 0.01
Factory Setting: 100.00