190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 23-38
23.4.18 Transducer Output Power
The GEA 24 supplies output power for engine/airframe sensors that may require supply voltage excitation.
The GEA 24 outputs voltage levels of +5 and +12 Vdc. Each output can supply a maximum of 50 mA. If
more than 50 mA is needed for a sensor, 3 outputs of the same voltage may be spliced together to allow an
output current of up to 100 mA. Transducers that require more current (such as Princeton capacitive fuel
quantity converters) must be supplied from aircraft power instead of GEA 24 transducer power output
pins.
The transducer output pins are listed in the following table. Additionally, the pins are also listed in the
tables for their respective default functionality.
Pin Name Connector Pin I/O
FUEL PRESS XDCR +12V J243 3 Out
FUEL PRESS XDCR +5V J243 4 Out
RPM XDCR +12V_1 J243 9 Out
RPM XDCR +12V_2 J243 10 Out
MANIFOLD PRESS XDCR +12V J243 14 Out
MANIFOLD PRESS XDCR +5V J243 15 Out
OIL PRESS XDCR +12V J243 18 Out
OIL PRESS XDCR +5V J243 19 Out
FUEL XDCR +12V_1 J243 24 Out
FUEL XDCR +12V_2 J243 25 Out
GP +5V_1 J243 26 Out
FUEL QTY +5V_1 J244 5 Out
FUEL QTY +5V_2 J244 8 Out
GP 3 / FUEL QYT 3 HI / +5V 3 J244 11 Out
GP 4 / FUEL QTY 4 HI / +5V 4 J244 14 Out
GP1 HI / +5V J244 18 Out
GP2 HI / +5V J244 21 Out
GP +5V_2 J244 24 Out
GP +5V_3 J244 27 Out
GP 5 HI / +5V J244 30 Out
FUEL XDCR +12V_3 J244 34 Out
FUEL XDCR +12V_4 J244 35 Out
GP +12V J244 50 Out
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