GE Industrial Solutions ASTAT XT - Manual (Page 46)

46 • Control Keypad
4.8.9 Auto Reset
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
Active During
Timing And Occurrence
Start Run Stop
Soft
Stop
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.
√ √ √ √