B&K Precision 2552-2559 - Programming Manual - Manual (Page 26)

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DESCRIPTION The COUPLING command selects the
coupling mode of the specified input channel.
The COUPLING? query returns the coupling
mode of the specified channel.
COMMAND SYNTAX
<channel>: CouPLing <coupling>
<channel> : = {C1, C2, C3, C4}
<coupling> : = {A1M, A50, D1M, D50, GND}
The A of the <coupling> is alternating current.
The D of the <coupling> is direct current.1M
and 50 is the impedance of input. Some series
(CML) couldn’t have the set of input
impedance.
QUERY SYNTAX <channel>: CouPLing?
RESPONSE FORMAT
<channel>: CouPLing <coupling>
EXAMPLE
The following command sets the coupling of
Channel 2 to 50 ΩDC:
Command message:
C2: CPL D50
ACQUISITION COUPLING, CPL
Command /Query