National Instruments NI 783xR Benutzerhandbuch

© National Instruments Corporation

Figure 2-4.  Summary of Analog Input Connections

+
–

+

–

V

1

AI<

i>

AISENSE

AIGND<

i>

+
–

+

–

V

1

AI<

i>

AISENSE

AIGND<

i>

See text for information on bias resistors.

+
–

+

–

V

1

AI<

i>

AIGND<

i>

+
–

+

–

V

1

AI

+   V

g

   –

AIGND

Ground-loop losses, V

g

, are added to

measured signal.

NOT RECOMMENDED

+
–

+

–

V

1

AI<

i>(+)

AI<

i>(–)

AIGND<

i>

+
–

+

–

V

1

AI<

i>(+)

AI<

i>(–)

AIGND<

i>

See text for information on bias resistors.

Examples
• Ungrounded Thermocouples
• Signal Conditioning with

Isolated Outputs

• Battery Devices

Examples
• Plug-in Instruments with

Nonisolated Outputs

Differential

(DIFF)

Single-Ended —

Ground

Referenced

(RSE)

Single-Ended —

Nonreferenced

(NRSE)