46
3.24
FAULT RECORD
Display-only function which cannot be pro-
grammed by the user. When this constant
number is selected and the
DATA/ENTER
key is
pressed, the fault code for the most recent fault is displayed.
Only the following types of faults can be stored in the fault
record:
oC
(overcurrent),
ou
(overvoltage),
oH
(cooling fin over-
heat),
oL1
(motor overload),
oL2
(drive overload),
oL3
(over-
torque detection),
EF4
,
EF5
(external fault), or
CPF05
(A/D con-
verter fault).
To clear the fault record, enter setting
6
into constant
no. 00
.
NOTE: The fault record is also cleared automatically when an
initialization setting is entered into constant
no. 00
.
3.25
PROM NO.
Display-only function which cannot be pro-
grammed by the user. When this constant
number is selected and the
DATA/ENTER
key is
pressed, the code number (5 digits) of the PROM that is
installed on the Control PC board is displayed.
3.26
CRITICAL FREQUENCY REJECTION
Prohibited
Frequency
Allows programming of one prohibited frequency point, in
increments of 0.1 Hz, for eliminating problems with resonant
vibration of the motor/machine. This feature does not actually
eliminate the selected frequency values, but will accelerate and
decelerate the motor through the prohibited bandwidth.
Prohibited Frequency
Deadband
Determines the width of the deadband, in increments of 0.1 Hz,
around the prohibited frequency point. The factory setting of
1.0
establishes a deadband of ±1.0 Hz.
Constant
no-48
Constant
no-49
Constants
no-50
Range : 0.0 to 400.0 (Hz)
Factory Setting : 0.0
Constant
no-51
Range : 0.0 to 25.5 (Hz)
Factory Setting : 1.0
efesotomasyon.com - Yaskawa ac drive,servo motor
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