Diff input (four channels) -5, Diff input (four channels) – National Instruments PCI-1200 User Manual

Page 22

Chapter 2

Installation and Configuration

2-5

PCI-1200 User Manual

Considerations for using the NRSE configuration are discussed in
Chapter 3,

Signal Connections

. Notice that in this mode, the signal return

path is through the negative terminal of the amplifier at the connector
through the AISENSE/AIGND pin.

DIFF Input (Four Channels)

DIFF input means that each input signal has its own reference, and the
difference between each signal and its reference is measured. The signal
and its reference are each assigned an input channel. With this input
configuration, the PCI-1200 can monitor four differential analog input
signals.

Considerations for using the DIFF configuration are discussed in
Chapter 3,

Signal Connections

. Notice that the signal return path is through

the amplifier’s negative terminal and through channel 1, 3, 5, or 7,
depending on which channel pair you select.