Auxiliary Measurement Connections
This information only applies when Models N6781A and N6785A are installed in the
mainframe.
The auxiliary voltage measurement inputs are located on the rear panel of the Keysight N6705C.
These are primarily used for battery voltage rundown measurements, but are also suitable for general
purpose DC measurements.
The auxiliary voltage measurement inputs are isolated from other commons. They have a bandwidth
of about 2 kHz. There is one input range: −20 to +20 VDC.
Two 8-pin connectors and quick-disconnect plugs are provided for accessing up to four potential
auxiliary voltage measurement inputs. The connectors accept wires sizes from AWG 14 to AWG 30.
Note that wire sizes smaller than AWG 24 are not recommended. Disconnect the connector plug to
make your wire connections.
As shown in the following figure, auxiliary voltage measurements cannot be made on test points that
are at a greater potential than ±60 VDC from ground. Refer to Auxiliary Voltage Measurements for
more information.
When using the auxiliary voltage measurement input, no front panel output terminal
or rear panel input terminal may be more than ± 60 VDC from any other terminal and
chassis ground.
2 Installation
70 Keysight N6705C Operating and Service Guide
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