Delta Electronics AC Motor Drive VFD-VE Series - Manual (Page 171)

Chapter 4 Parameters|
4-122 Revision August 2008, 03VE, SW V2.04
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 0.0
Settings 0.0 to 3600.0 sec
This parameter defines the time during which the PID feedback must be abnormal before a
warning 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.
08-09 Feedback Fault Treatment
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 0
Settings 0 Warn and keep operating
1 Warn and RAMP to stop
2 Warn and COAST to stop
3 Warn and keep at last frequency
AC motor drive acts when the feedback signals (analog PID feedback or PG (encoder)
feedback) are abnormal.
08-10 Sleep Frequency Unit: 0.01
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 0.00
Settings 0.00 to 600.00Hz
08-11 Wake-up Frequency Unit: 0.01
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 0.00
Settings 0.00 to 600.00Hz
08-12 Sleep Time Unit: 0.1
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 0.0
Settings 0.0 to 6000.0sec
These parameters determine sleep functions of the AC drive. If the command frequency falls
below the sleep frequency, for the specified time in Pr. 08-12, then the drive will shut off the
output and wait until the command frequency rises above Pr. 08-11. Please see the below
diagram.