Configuring the scc system, Ni-daqmx – National Instruments Isolated Analog Input Modules SCC-AI14 User Manual

Page 7

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SCC-AI Series Isolated Analog Input Modules

If a high common-mode voltage is present, connect the negative input pins,
1 and 3, to the signal reference. Figure 1-5 shows a ground-referenced
signal connection on one channel of the SCC-AIXX.

Figure 1-5. Ground-Referenced Signal Connection for the SCC-AIXX

with High Common-Mode Voltage (One Channel)

Configuring the SCC System

Measurement & Automation Explorer (MAX) Configuration

Run MAX to configure the SCC system. Complete one of the following
sets of steps depending on the version of NI-DAQ used in your application.

NI-DAQmx

Complete the following steps to configure the SCC-AI module using
NI-DAQmx.

1.

Open Measurement & Automation Explorer.

2.

Right-click Devices and Interfaces and select Create New.

3.

Under NI-DAQmx SCC Connector Block select SC-2345. Click
Finish.

+

4

Lowpass

Filter

+

+

Lowpass

Filter

3

2

1

E Series DAQ Device

Signal

Source

ACH(

X )

SCC-AI

XX

AISENSE

AIGND

ACH(

X+8)

High

CMV

+

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