the RPIU also displays port and starboard CRP
contains the CISE and S/CE No. 1 on a CG-47,
propeller pitch. Mounted in the pilothouse.
DD-963, or DDG-993 class ship.
SALIENT-POLE GENERATOR. A generator whose
PROPULSION CONTROL CONSOLE (PCC).
field poles are bolted to the rotor, as opposed to a
This is the main engine control console in CCS on
generator whose field poles are formed by
an FFG-class ship. It is used for starting, stopping,
imbedding field windings in the slots of a solid
and controlling the GTEs and propeller shaft.
rotor.
PROPULSION LOCAL CONTROL CONSOLE
SCAVENGE PUMP. A pump used to remove oil from
(PLCC). The PLCC is located in each engine room
a sump and return it to the oil supply tank.
and is part of the PLOE. It has controls and
indicators necessary for operator's control of one
SELECTED COMPONENT RECORD (SCR)
main propulsion plant and its supporting auxiliaries
CARD. A card that provides for the recording of
on a CG-47, DD-963, or DDG-993 class ship.
installation and removal data, technical directive
status, and repair/rework history on selected
PROPULSION LOCAL OPERATING EQUIP-
accessories and components.
MENT (PLOE). The PLOE is located in each
engine room and is part of the ECSS. It includes the
SENSOR. The part of an instrument that first takes
PLCC and PLCEE. The PLOE provides for local
energy from the measured medium to produce a
control and monitoring of the main propulsion GTE
condition representing the value of the measured
and the associated auxiliary equipment on a CG-47,
variable.
DD-963, or DDG-993 class ship.
SHAFT CONTROL UNIT (SCU). The SCU is
PROPULSOR. A waterjet pump that draw in seawater,
located in each engine room. It has controls and
accelerates the water, and expels it through a nozzle
indicators necessary for operator control of one
at the stern of a PHM. The PHM has one foilborne
main propulsion plant and its supporting auxiliaries
propulsor and two hullborne propulsory.
on a DDG-51 class ship.
PUMP. (1) A device that converts mechanical energy
SHIP CONTROL CONSOLE (SCC). This console is
into fluid energy. (2) A device that raises, transfers,
located on the bridge of CG-, DD-, and DDG-class
or compresses fluids or gases.
ships. It has equipment for operator control of ship's
speed and direction.
RECTIFIER. A device which, by virtue of its
asymmetrical conduction characteristic, converts
SHIP CONTROL EQUIPMENT (SCE). Provide a
an alternating current into a unidirectional current.
means of controlling and monitoring ship's speed,
heading, plant propulsion status, and shaft
RELAY. An electromechanical device in which
performance. Most of the SCE is located on the
contacts are opened and/or closed by variations in
bridge.
the conditions of one electric circuit and thereby
affect the operation of other devices in the same or
SHIP'S SERVICE DIESEL GENERATOR
other electric circuits.
(SSDG). The SSDG is the main source of electrical
power for a ship. It uses a diesel engine as the prime
REPAIR STATION CONSOLE (RSC). Provides
mover for the generator.
centralized control of the damage control equipment
on DDG-51 class ships. The RSC serves as the
SHIP'S SERVICE GAS TURBINE GENERATOR
primary control station when the DCC is not
(SSGTG). The SSGTG is the main source of
available.
electrical power for a ship. It uses a GTE as the
prime mover for the generator.
RESISTANCE TEMPERATURE DETECTOR
(RTD). A temperature sensor that works on the
SHIP'S SERVICE POWER UNIT (SSPU). The
principle that as temperature increases, the
SSPU is the main source of electrical power for a
conductive material exposed to this temperature
PHM. It consists of a gas turbine engine, a
increases electrical resistance.
mechanical gearbox, an ac generator, hydraulic
pumps, and a load compressor.
RESISTOR A device possessing the property of
electrical resistance.
SHORT CIRCUIT. Also called a short. An abnormal
connection of relatively low resistance between
RPM AND PITCH INDICATOR UNIT (RPIU). Part
two points of a circuit. The result is a flow of
of the SCE and is identical to the BWDU except that
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