1020 Cable Electronics
BCD Inputs
6 of 18
Jun 2001
Cabling Configuration and Electronics
Agilent 6890 Gas Chromatograph Service Manual
BCD Inputs
6890A and 6890 Plus
The BCD cable is used to read the position of a stream selection valve,
headspace sampler, or other device. It consists of eight passive inputs that
sense open/closed contacts.
If you are using a multiposition (stream selection) valve, you must also have
an external event cable.
Connector 1
15 pin (male)
Signal name Logic Color
1 LS digit 0 Low (true) Black
2 LS digit 1 Low (true) Brown
3 LS digit 2 Low (true) Red
4 LS digit 3 Low (true) Orange
5, 6, 7 Unused
8 Ground Gray
9, 10, 11 Unused
12 MS digit 0 Low (true) Yellow
13 MS digit 1 Low (true) Green
14 MS digit 2 Low (true) Blue
15 MS digit 3 Low (true) Violet
9
15
1
8
G1530-60630
Part no. G1530-60630
BCD Unterminated
1
8
2
1
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