ABB VM1 Installation And Service Instructions Manual page 51

Caption
= Reference number of diagram figure
* = See note indicated by the letter
-QB = Circuit breaker accessories
-TR = Control and switching unit
DR = Signalling contact for unit ready (correct position
and capacitor level)
DN = Signalling contact for unit not ready
DC1-2 = Signalling contact for circuit breaker closed
DO1-2 = Signalling contact for circuit breaker open
DOR = Signalling contact for remote opening command
(100 ms close)
-BB1-2 = Circuit breaker auxiliary contacts
-BB9 = Position contact for signalling circuit-breaker
closed (limits witch with auxiliary supply)
-BB10 = Position contact signalling circuit-breaker open
(limit switch with auxiliary supply)
-BD = Position contact of the enclosure door
-BT1 = Contacts signalling circuit-breaker in the
connected position
-BT2 = Contacts signalling circuit-breaker in the
removed position
-BT3 = Circuit-breaker position contact. It is open
during the travel of the breaker.
-CC1-CC2 = Capacitors
CFD = Capacitor Fast Discharge (see note A)
-MC = Closing coil
-MO = Opening coil
-PI1 = Humane machine interface with open/close
push buttons and ready signalling
-PRDY = Green led lamp for local indication of control
and switching unit ready (correct position and
capacitor level)
-SC 1 = Pushbutton for the circuit-breaker local closing
-SO1 = Pushbutton for the circuit-breaker local opening
-RD1 = Diode
-RL2 = Truck locking m agnet
-SC2 = Pushbutton or contact for the circuit-breaker
remote closing
-SL1 = Contact locking the circuit-breaker closing
(closing command allowed with close contact)
-SO2 = Pushbutton or contact for the circuit-breaker
remote opening
-SO3 = Auxiliary and safety opening
-SO4 = Pushbutton or contact for the circuit-breaker
under voltage opening (contact closed when
voltage is present)
-SO5 = Contact for the circuit-breaker opening by PR
512 only
-WS = Serial bus interface for service operations only
(RS2 32 interface )
-XB = Plug connector for the circuit-breaker circuits
-XB8 = Rack- in / Rack-out contacts connector
-XB9 = Rack- in / Rack-out contacts connector
-XB10 = Circuit-breaker position contact connector
-XB15 = Internal check connector
-XB21 = Connectors for position sensors – BS3 and –
BS4
-XB22 = Connectors for actuator and capacitor(s)
-XB23 = Connectors for power supply
-XB24 = Connectors for output contacts
-XB25 = Connectors for binary in puts
-XB27 = Connectors for local control pane l
-XB29 = Connector for serial bus interface
-XB30 = Connector for CFD (Capacitor Fast Discharge)
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