Figure 2-54.--FSEE on the FFG-class ship.
Figure 2-53.--FSEE on the CG-, DD-class ships.
FSEE also generates some signals (uplink) for
One common card, the M card, is used by both
display on the GTE control consoles.
GTs on these classes but is not used on FFG
FSEEs. The FSEE on the FFG-class ship (fig.
SIGNAL CONDITIONING
2-54) has two card racks (one per engine) and two
ELECTRONICS
power supplies.
The FSEE circuitry is divided into two
The signal conditioning electronics are
identical sections--one for each turbine. The
contained on one PWB--the E card. Five
electronic circuitry is in the form of pull-out
transducer signals and one internal signal are
cards and a power supply rack; the cards may be
processed in these circuits. These are Pt 2, Pt 5 . 4 ,
referred to as either printed-circuit boards (PCBs)
T2 , and two Npt speed signals (one from each PT
or printed-wiring boards (PWBs). Functionally,
speed pickup). Four of these signals are provided
as inputs to the torque computer. In addition, five
the electronics for either turbine can be divided
signals are buffered and transmitted uplink to the
into five subsystems: signal conditioning circuitry,
torque computer, overspeed switch control, power
GTE control console. Two pressure signals, Pt 2
supply, and the PLA actuator electronics. The
and Pt5.4 are received in the form of 4 to 20
2-49
