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4-12
Cabling and Wiring
Connecting a Signal to a Single-Ended Analog Input
Figure 4-10 shows the connections between a signal source and a channel
of a DAS-1800HC Series board configured for single-ended input mode.
Figure 4-10. Connections for Wiring a Signal Source to a DAS-1800HC Series Board
Configured for Single-Ended Inputs
Note:
When you wire signals to the analog input channels, you are
advised to wire all unused channels to AGND. This action prevents the
input amplifiers from saturating, and it ensures the accuracy of your data.
Connecting a Signal to a Differential Analog Input
This section describes common connection schemes for differential
inputs. The section also discusses the principles for avoiding ground
loops.
Common Connection Schemes for Differential Inputs
Figure 4-11 on page 4-13 shows three connection schemes for wiring a
signal source to a channel of a DAS-1800HC Series board configured for
differential input mode.
DAS-1800HC Series Board
Channel
n High
Signal
Source
+
-
AGND
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