Toshiba H6A-HLS, HV6CS-MLD operation manual Electrical Operation

4.2 Electrical Operation

Electrical operations are performed as shown in the flow diagram below.

Circuit breaker OPEN

Control power applied

Motor begins operating ・Springs begin tightening

Springs Charged・Motor stops

CLOSE signal given

CLOSE coil energized

・Spring status changes to yellow ・CLOSE operation standby

Circuit breaker CLOSED

Auxiliary relay closes

Anti-pumping circuit completed

OPEN signal given

OPEN/TRIP coil energized

Circuit breaker OPEN

Spring changes to white and switching status changes to ON

Motor begins operating

・Spring begins tightening

Spring taut・Motor stops

Spring status changes to yellow

Switching status changes to OFF

Next CLOSE operation is NOT possible until the CLOSE signal is canceled.

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