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Pr.57
-
Pr.59
0
Pr.57 (free-wheeling time)
' I f "0" is set for Pr.57, the following stand-
ard time is set for the free-wheeling time.
Generally, the operation is possibk in this
setting, the set time can be adjusted in the
Freewheeling time indicates the time
for
range of 0.1 to
5
seconds meeting the mo-
which the inverter waits
for the control for
ment of inertia of load
( G O ' )
and torque.
restart.
0.1K to 1.5K
.....
0.5
sec.
2.2 K to 3.7K
.....
t
.O
sec.
Pr.58 (start-up time)
Usually, the setting of
0.5
seconds (factory-setting) need not
be
changed for ordinary operation.
However, it is possible to
adjust the output voltage start-up time
m
the range of 0.1
to
5
seconds meeting the load specification (moment
of inertia and torque),
keep away from the motor and machine.
When the automatic restart affer instantaneous power failure function
has been selected,
Input t
o m ~
r~loutlon
0
Eight types of function can be allocated without restriction to the control slgnal input terminals
(the four terminals RUOH, RWAU, RH, and MRWRT).
Setting is accomplished by allocating a four-digit value to Pr.59.
Each digit represents the function for one of the terminals.
Set
Abbndation
value
Function
Function Name
Remarks
Related Pr.
9999
Factoty
setting
Pr'44'
Pr'17'
Same as function
M o r e
allocation
Pr.74
External thermal relay input
*
If 9999 is set for Pr.80, it is possible to switch between VIF control and general-purpose mag-
netic flux vector control by using the
RT
terminal.
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