Garmin G3X - Page 469

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 26-10
Figure 26-3.2 Electrical and Discrete Input/Output Examples (w/GSU 73)
POS 3 / GP 3 / FUEL 3 HI
POS 3 / GP 3 / FUEL 3 LO
27
7
BUS 1 OR MAIN BUS AMPS
S
+5V TRANSDUCER POWER 75
XX
HALL EFFECT TRANSDUCER
XDCR PWR OUT LO (GND)
GROUND
OUTPUT
SUPPLY VOLTAGE
SHUNT 2 LO
SHUNT 2 HI 48
68
.0005 OHM
BUS 2 AMPS OR ESS BUS AMPS
S
1A
1A
BATTERY CONTACTOR
BATTERY POSITIVE
/ ALTERNATOR B LEAD
/ POWER DISTRIBUTION BUS
VOLTS 2 LO
VOLTS 2 HI
12
32
POS 4 / GP 4 / FUEL 4 HI
POS 4 / GP 4 / FUEL 4 LO
66
46
S
XXXDCR PWR OUT LO (GND)
GROUND
OUTPUT
SUPPLY VOLTAGE
VOLTS 1 LO
VOLTS 1 HI
51
71
GSU 73
J732
BUS 2 OR ESS BUS AMPS
HALL EFFECT TRANSDUCER
SHUNT 1 LO
SHUNT 1 HI 70
50
.0005 OHM
BUS 1 AMPS OR MAIN BUS AMPS
S
1A
1A
BATTERY CONTACTOR
BATTERY POSITIVE
/ ALTERNATOR B LEAD
/ POWER DISTRIBUTION BUS
DISCRETE IN* 1 9
ACTIVE
INACTIVE
DOOR/CANOPY OPEN
DISCRETE IN* 2 10
ACTIVE
INACTIVE
ALT AIR DOOR
DISCRETE IN* 3 11
ACTIVE
INACTIVE
BAGGAGE DOOR
DISCRETE IN* 4 12
ACTIVE
INACTIVE
SPEED BRAKE
SEE NOTE 13
J731
SEE NOTE 12
SEE NOTE 11
DISCRETE OUT* 1 13
MASTER WARNING
DISCRETE OUT* 2 14
MASTER CAUTION
TO POWER SUPPLY
TO POWER SUPPLY
SEE NOTE 17
S
1A
1A
MAIN BUS VOLTS 1 OR 2
VOLTS HI
VOLTS LO
S
1A
1A
ESS BUS VOLTS 1 OR 2
VOLTS HI
VOLTS LO
THESE CONNECTIONS ARE OPTIONAL. VOLTAGE CAN BE MONITORED FROM
THE GSU 73 POWER INPUTS. SEE CONFIGURATION SECTIONS FOR DETAILS.