Bypass Contactor - GE ASTAT XT QT 0008U Series User Manual

8.14 Bypass Contactor

Notes:
• End of Ramp relay is energized after a programmed time delay EOR Relay Delay Refer to section 4.7.3 page
29 for programming.
• The End of Ramp relay is de-energized when:
o SOFT STOP or STOP signals are initiated
o Energy Save signal is initiated
o Slow Speed/ Slow Speed Reverse signal is initiated
o Fault condition occurs
• ASTAT-XT current protection is operative after the bypass contactor closes only when the bypass contactor is
wired to terminals A, B and C as shown in the drawing above.
When a SOFT STOP signal is provided, the End of Ramp relay returns to its original position opening the bypass
•
contactor. Thereafter, the voltage will gradually ramp down to zero, soft stopping the motor.
• Application diagrams
68