Auto Reset; Timing Occurrence Table - GE ASTAT XT QT 0008U Series User Manual

Auto Reset

4.8.9
Undervoltage and Phase Loss faults can auto-reset (refer to section 4.7.7 on page 38). The ASTAT-XT will reset
itself 60 seconds after voltage was fully restored, provided that the START signal is removed.
Undercurrent fault can be set to auto-reset (refer to section 4.7.7 on page 38).
The ASTAT-XT will reset itself when a programmed time delay has elapsed, even if the START signal is not removed.
4.9

Timing Occurrence Table

Timing And Occurrence
Too many starts with Start Lockout period
Electronic overload with curve selection
O/C JAM Fault
ASTAT-XT protection – trip immediately at I≥850% Starter
Current
Motor protection – trip function
During start – factory set at 850% Motor Current after O/C
JAM Delay.
During run – adjustable 200 – 850% Motor Current after O/C
JAM Delay.
Undercurrent adjustable time delay
Phase Loss
Phase Sequence
Undervoltage with adjustable time delay. Time delay is
override in case of Phase Loss.
Overvoltage with adjustable time delay
Long start time (stall protection)
Shorted SCR
Wrong Connection (load loss)
External fault – input from a N.O. contact
SCR protection by Metal Oxide Varistors (MOV)
ASTAT-XT over-temperature
ASTAT-XT internal test, when the On LED is lit.
Motor thermistor – programmable PTC/NTC, with adjustable
trip level.
• Control Keypad
46
Active During
Start
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Soft
Run Stop
Stop
√
√ √
√
√
√
√ √
√ √
√ √
√
√ √ √
√ √ √
√ √ √
√ √ √
√ √ √