71 • Control Keypad
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7.8.6
Fault Parameters – Page 5
FAULT PARAMETERS
- **** -
Displays in MAXIMIZED MODE only
(refer to section
6.4.1 page 40 for changing mode)
Display and Default
Values
Range Description
UV & PL AUTO RST
NO
NO/YES
Sets UNDERVOLTAGE and PHASE LOSS AUTO RESET.
If UV & PL AUTO RST is set to NO then HRVS-DN will not
automatically reset after an UNDER VOLTAGE or PHASE LOSS
faults occur.
If you set the UV & PL AUTO RST setting to YES then HRVS-DN
will automatically reset.
Notes
:
Reset is performed only after the start signal is removed. To
restart the motor recommence the start command.
Refer to section
7.8.2 on page 55 for details on setting of
UNDERVOLT. TRIP.
UNDER CUR. RESET
OFF
10–120
MIN./ OFF.
Sets UNDER CURRENT RESET time delay.
If the UNDER CUR. RESET setting is OFF then HRVS-DN will not
automatically reset after an UNDER CURRENT TRIP fault occurs.
If you set the UNDER CUR. RESET setting to a time value then
HRVS-DN will automatically reset with a delay (the time defined for
UNDER CUR. RESET).
If the start command is not removed, motor will restart
automatically after the delay time.
During the delay time a message U/C TRIP.RST IN: XX MIN. is
displayed.
Notes
:
If the start command is not removed, motor will restart
automatically after the delay time!!
Refer to section
7.8.2 on page 55 for details on setting of
UNDER CURRENT TRIP.
BYPASS OPEN TRIP
ENABLE
ENABLE/
DISABLE
Sets BYPASS OPEN TRIP protection.
Becomes operational when the Bypass Contactor does not close
after EOA contact command the pilot ( interposing) relay to close.
Set to ENABLE when motor current is running through the internal
CTs.
Set to DISABLE when motor current is
not
running through the
internal CTs.
TRIP AFTER BYPAS
ENABLE
ENABLE/
DISABLE
Sets TRIP AFTER BYPASS trip.
TRIP AFTER BYPASS can be set to DISABLE if motor is protected
by an additional relay usually upstream to the soft starter.
If during operation a fault occurs,
Fault
LED will flash and soft
starter will display the fault but will not trip the motor until the soft
starter is stopped.
BY-PASS AUTO RST
NO
YES/ NO
Sets BY-PASS AUTO RST reset.
When TRIP AFTER BYPASS is DISABLE and if during operation a
fault occurs,
Fault
LED will flash and soft starter will display the
fault but will not trip the motor until the soft starter is stopped. In this
case the soft starter will go to Trip position.
If BY-PASS AUTO RESET is set to YES, the soft starter will be
automatically reset the fault.
Note
: Reset is performed only after the start signal is removed. To
restart the motor recommence the start command.
