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4.2 Electrical Operation
Electrical operations are performed as shown in the flow diagram below.
Motor begins operating
・Springs begin tightening
Circuit breaker OPEN
Control power applied
Motor begins operating
・Spring begins tightening
Springs Charged・Motor stops
Spring taut・Motor stops
CLOSE signal given
CLOSE coil energized
Circuit breaker CLOSED
Auxiliary relay closes
Anti-pumping circuit completed
OPEN signal given
OPEN/TRIP coil energized
・Spring status changes to yellow
・CLOSE o
p
eration standb
y
Spring changes to white and switching
status changes to ON
Switching status changes to OFF
Next CLOSE operation is NOT possible
until the CLOSE signal is canceled.
Circuit breaker OPEN
Spring status changes to yellow