Connections Using Custom Cables; Ae Specifications - Gamry Instruments Reference 3000 Operator's Manual

Auxiliary Electrometer Option – Connections Using Custom Cables
5 Analog Input
6 Ground
7 Digital input
8 Digital In
9 Ground
Note that pins 8 and 9 must be grounded on any cable that is used to take voltage readings.
The analog inputs are both labeled (with labels on the wires) and color coded. The wires are black for odd-
numbered channels (Channel 1, 3, 5, and 7) and red for the even-numbered channels (Channels 2, 4, 6, and
8).
The working side plug (the positive input) is purple, and the reference side (the negative input) is yellow.

Connections Using Custom Cables

You can build custom cables for AE connections. Follow the pin designations in the table above. Pins 7 and 8
must be grounded.

AE Specifications

See Appendix E: Auxiliary Electrometer Specifications
Even Ch + Red
Floating Ground --
!Cable
!Power On
Floating Ground
67
High side of even channel
Purple
working side
--
Ground if cable present
Ground if AE powered