B&K Precision MDL Series - Manual - Manual (Page 31)

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There are two positive terminals and two negative terminals on the rear panel of every module.
Single terminal connection is adequate when the input current is less than 30 A.
WARNING : Each terminal can carry up to 30 A current. Double-terminal connection is
needed when the input current is more than 30 A. Refer to Figure 11 - Connection of
Load and Device Under Test (DUT) for double-terminal connection.
Remote Sense Connection
If the lead length is relatively long, there will be a voltage drop in the leads connected between
load and measured object. Remote sensing can compensate for this condition and provide better
accuracy in your measurement. Figure 12 illustrates a typical connection between module and
device for remote sense operation.
Figure 12 - Remote Sense Connection