Advantech MIC-1810, User Manual

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19 MIC-1810 User Manual
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Single-ended Channel Connections
Single-ended connections use only one signal wire per channel. The voltage on the
line references to the common ground on the card. A signal source without a local
ground is called a “floating” source. It is fairly simple to connect a single ended chan -
nel to a floating signal source. A standard wiring diagram looks like this:
Figure 3.6 Single-ended input channel connections
When to use single-ended channel connections?
Single-ended connections are only used for the following conditions:

All input signals that can share a common reference point, AGND.

The wires connecting the signal to the device are less than 3 m.