Agilent Technologies 6890 Series Service Manual page 731

1240 Wiring Harnesses
Auxiliary Zone/Valve Box Harness (G1530-60660)
Auxiliary Zone/Valve Box Harness (G1530-60660)
The Auxiliary Zone/Valve Box harness runs from connector P22 on the main
board to the valve driver bracket screwed on to the right side of the GC above
the main board. It powers the valve actuator drivers and two auxiliary heater/
sensors.
Wire
color
Violet
Green
Yellow
Black
Red
Orange
Brown
Blue
Gray
White
4 of 8
Pin # Signal
on P21 name
1 Aux 1 Sense
2 Aux 2 Sense
3 Heater GND
4 Heater GND
5 +24 Volts
6 +24 Volts
7 +24 Volts
8 +24 Volts
9 Sensor GND
10 Sensor GND
11 Aux 1 Heater
12 Aux 2 Heater
13 Valve #1
14 Valve #2
15 Valve #3
16 Valve #4
Electrical
Agilent 6890 Gas Chromatograph Service Manual
Destination
(and Pin #)
A1 (2)
A2 (2)
A1 (4)
A2 (4)
V1 (1)
V2 (1)
V3 (1)
V4 (1)
A1 (3)
A2 (3)
A1 (1)
A2 (1)
V1 (2)
V2 (2)
V3 (2)
V4 (2)
Jun 2001