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8.15 Reversing with Two Line Contactors
Notes:
•
A N.O. auxiliary contact in each of the two line contactors C1 & C2 controls the START/STOP command.
Closure of either contactor will supply main power and a start signal to the ASTAT-XT.
It is recommended to employ a mechanical interlock between the forward and reverse contactors.
•
•
It is required to delay the transfer between opening of one contactor and closing of second contactor.
•
Phase Sequence fault must be disabled to operate reversing contactors at the line input of the
ASTAT-XT. Refer section 4.7.7 page 38 for programming.
• Application diagrams
69
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