1020 Cable Electronics
External event
8 of 18
Jun 2001
Cabling Configuration and Electronics
Agilent 6890 Gas Chromatograph Service Manual
External event
Two passive relay contact closures and two 24-volt control outputs are
available for controlling external devices. Devices connected to the passive
contact closures must be connected to their own power source.
Connector Signal name Maximum rating Wire
terminations
Corresponds
to valve #
24 volt control output
1 24 volt output 1 75 mA Yel lo w 5
2 24 volt output 2 75 mA Black 6
3 Ground Red
4 Ground White
Relay contact closures (Normally open)
5 Contact closure 1 48V ac/dc, 250 mA Orange 7
6 Contact closure 1 Green 7
7 Contact closure 2 48 V ac/dc, 250 mA Brown or Violet 8
8 Contact closure 2 Blue 8
4
5
6
3
1
2
7
8
G1530-60590
Part no. G1530-60590
Connector
Wire terminations