Agilent Technologies 6890 Series Service Manual page 729

1240 Wiring Harnesses
Inlet/Detector harness (G1530-60640)
Inlet/Detector harness (G1530-60640)
The Inlet/Detector harness runs from connector P21 on the main board to
the front and back inlets and detectors on top of the instrument. It powers
the inlet/detector heater and sensors and the +24 V valve on a manual split/
splitless inlet
.
Wire
color
Black
Green
Yellow
Violet
Gray w/
Violet stripe
Gray
Red
Red w/Orange
stripe
Orange
Blue
White
2 of 8
Pin # Signal
on P21 name
1 Sensor GND
2 Sensor GND
3 Sensor GND
4 Sensor GND
5 Heater GND
6 Heater GND
7 Heater GND
8 Heater GND
9 +24 Volts
10 +24 Volts
11 Frnt Inj Sense
12 Back Inj Sense
13 Frnt Det Sense
14 Back Det Sense
15 Frnt Inj Htr
16 Back Inj Htr
17 Frnt Det Htr
18 Back Det Htr
19 Frnt Inj +24 Vlv
20 Back Inj +24 Vlv
Electrical
Agilent 6890 Gas Chromatograph Service Manual
Destination
(and Pin #)
FI (3)
BI (3)
FDI (3)
BDI (3)
FI (4)
BI (4)
FD (4)
BD (4)
FV (1)
BV (1)
FI (2)
BI (2)
FD (2)
BD (2)
FI (1)
BI (1)
FD (1)
BD (1)
FV (2)
BV (2)
Jun 2001