Main Settings - GE ASTAT XT QT 0008U Series User Manual

Main Settings

4.7.2
Function &
Default
Starter Current
58 Amp.
Motor Current
58 Amp.
LINE/DELTA Conf.
Line
Undercurrent FLT
0% of Im
Undercurrent DLY
10 SEC.
O/C JAM Fault
850% of Im
O/C JAM Delay
0.5 Sec.
Displays in MINIMIZED MODE and MAXIMIZED MODE.
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The lower limit can be set as low as 50% of Starter Current
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between 100 and 126% of Starter Current.
The Motor Current can be set as high as indicated in columns "Current Rating" for Light Duty applications in the tables in
section 2.1 page 8 and in section 2.2 page 9.
When the ASTAT-XT is installed in the Inside Delta configuration set:
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Motor Current = <rated motor current>/1.73.
When the ASTAT-XT is installed in DELTA Conf. set Motor Current = <rated motor current>/1.73.
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– Page 1
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Range Unit
8 – 1400 A
4-1750 A
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Based on % of
Starter
Current
Line, Inside
Delta
0%=OFF; % of
20-90 Motor
Current
1-40 sec.
100-850 % of
Motor
Current
0.0 – 5 sec.
• Control Keypad
Sets ASTAT-XT's Rated Current (Type Unit)
Check the name plate on the soft starter and make sure that
digits 4 to 7 of the model name are the same as the
Starter Current setting. For example the setting for
model QTx0008Uxxx must be 8 Amp. Refer to section 5.1 on
page 47.
Sets the motor's Full load Ampere
Should be programmed as shown on the motor's name
plate.
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Note:
When setting Motor Current to a higher level than
Starter Current, Overload Class parameter (see
below) is automatically set to NEMA Class 10.
Sets ASTAT-XT's connection type.
Factory preset - features and functions not active when
DELTA Conf. is configured:
Kickstart.
Soft Start Curve selection (Curve 0!! only)
Slow Speed
Phase Sequence Disabled mode
Refer to section 8.20 on page 74 for further information.
Sets Undercurrent protection.
Trips the ASTAT-XT when the motor current drops below the
level that was set for a time period longer than
Undercurrent Dly.
Sets the time delay for Undercurrent FLT protection.
Note:
Operational when the motor is running (the RUN LED is lit).
Sets O/C JAM Fault protection.
Operational when ASTAT-XT is energized and has three trip
functions:
At all time - If I > 850% of Starter Current it trips the
ASTAT-XT within 1 cycle (overrides the value of the O/C JAM
Fault setting).
At starting process - If I > 850% of Motor Current it trips
the ASTAT-XT after O/C JAM Delay
At run time - If I > O/C JAM Fault setting of Motor
Current it trips the ASTAT-XT after O/C JAM Delay.
Caution:
The O/C JAM Fault is not intended to replace the fast
acting fuses, required to protect the thyristors. Refer to
section 8.18 on page 72.
The upper limit is automatically set by the ASTAT-XT and is
.
Description
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