190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 23-33
23.4.12 GP (General Purpose) Inputs
These inputs are configured by the GDU (refer to Appendix H.4.19
for GDU 37X systems and to
Section 30.4.32
for GDU 4XX systems) and are capable of reading any voltage up to 40 Vdc. The GEA 24
has 7 general purpose inputs, labeled GP 1 through 7, each of these are paired together.
When using the GP6 and GP7 inputs for general-purpose voltage sensing, including position sensors and
user-defined analog parameters, the corresponding GP6 LO or GP7 LO pin must be connected to ground.
The GP1-GP7 inputs may also be used as additional discrete inputs. When configured as an Active Low
discrete input, the GP1-GP7 inputs require an additional pull-up resistor, as shown in Figure 26-2.2
.
Potentiometer based sensors can be used by connecting the potentiometer across a +5 V supply and ground
and reading back the center tap voltage on GP1-G7/POS1-7. Some General Purpose inputs have multiple
functions.
Pin Name Connector Pin I/O
GP1 HI / +5V J244 18 Out
GP 1 J244 19 In
GP1 LO / GND J244 20 --
GP2 HI / +5V J244 21 Out
GP 2 J244 22 In
GP2 LO / GND J244 23 --
GP +5V_2 J244 24 Out
GP GND_2 J244 26 --
GP +5V_3 J244 27 Out
GP GND_3 J244 29 --
GP 3 /FUEL QTY 3 HI / +5V 3 J244 11 Out
GP 3 / FUEL QTY 3 J244 12 In
GP 3 / FUEL QTY 3 LO / GND J244 13 --
GP 4 / FUEL QTY 4 HI / +5V 4 J244 14 Out
GP 4 / FUEL QTY 4 J244 15 In
GP 4 / FUEL QTY 4 LO / GND J244 16 --
GP 5 HI / +5V J244 30 Out
GP 5 J244 31 In
GP 5 LO / GND J244 32 --
GP +12V J244 50 Out
GP 6 / TEMP 1 HI J243 31 In
GP 6 / TEMP 1 LO J243 30 In
GP 7 / TEMP 2 HI J243 29 In
GP 7 / TEMP 2 LO J243 28 In
GP +5V J243 26 Out
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