WEG SSW-06.0205 User Manual page 114

Parameter
P614 (1)
Current Imbalance
between Phases
P615 (1)
Current Imbalance
between
Phases Times
(1)
P616
Undercurrent before
Internal By-pass
Closing
P617 (1)
Motor Overcurrent
Before Internal
By-pass Closing
(1)
P620
RST Phase
Sequence
P630
Interval of Time
after Stop
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Range
[Factory Setting]
Unit Description / Notes
 The current unbalance values are set as percentage of the motor rated
0 to 30
[ 15 ] current (P401).
 P614 sets the maximum current difference between the three motor
1 %In of the motor
phases at which the motor can operate without problems, during the
time set at P615. If these values are exceeded, the Soft-Starter is
0 to 99 switched Off and the Current Unbalance error is displayed.
 These settings also activate the phase fault protection during the
[ 0=Inactive ]
1s starting process and during the operation at full voltage.
 This function, when enabled, ensures protection against undercurrent
0 or 1
before By-pass closing, i. and., preventing By-pass closing in case of
[ 1=Active ]
any supply line fault of any thyristor fault.
-
 When this function is disabled, the motor can be started with rated
current lower than 10% of the rated Soft-Starter current.
 When this function is enabled it ensures protection against locked
0 or 1
[ 1=Active ]
rotor at the end of the start, i. and., it preventing that the By-pass
-
closes when an overcurrent two times the rated motor current is
detected.
 The function of this parameter is to protect loads that can be run only
0 or 1
in one direction of rotational. When this function is enabled, only the
[ 0=Inactive ]
phase sequence R/1L1, S/3L2, T/5L3 is permitted..
 When this function is enabled, the phase sequence is detected every
time the motor is powered-up.
 The function is very useful for driving of driving hydraulic pumps which
can be operated only in one direction of rotation.
 This function limits the minimum time interval between a new start
2 to 999
after the motor has been switched Off.
[ 2 ]
2s
CHAPTER 6 - DETAILED PARAMETER DESCRIPTION
NOTE!
This function is actuated only after motor start and after full voltage
operation has been reached.
NOTE!
This function can be disabled only when motors with low currents
are tested.
NOTE!
Disable this function only when the motor can withstand loads
with higher currents.
115