National-instruments Isolated Analog Input Modules SCC-AI14 Manuale Utente Scaricare il pdf (Pagina 7)

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.

Lowpass

Filter

–

Lowpass

Filter

E Series DAQ Device

Signal

Source

ACH(

)

SCC-AI

AISENSE

AIGND

ACH(

+8)

High

CMV

–

1 2 3 4 5 6 7 8 9 10 11 12 ... 17 18

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National-instruments Isolated Analog Input Modules SCC-AI14 Manuale Utente Pagina 7