Racal Instruments 2461 User Manual page 75

Programming The Type C Function Card 4-32
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MEASure[1 | 2][:SCALar]:PERiod? [<expected value>,
<resolution>]
MEASure[1 | 2]:ARRay:PERiod <array size>?
value>, <resolution>]
DESCRIPTION:
These commands set the 2461 TYPE C to measure the
period of the signal on the input channel selected.
The ARRay command programs the counter for multiple
period measurements as specified by the <array size>
parameter.
The optional <expected value> and <resolution> parameters
are used to derive the required number of digits of resolution.
Their units are seconds.
INITIALIZATION:
*RST Resolution = 8
EXAMPLE:
"MEASure1:Period? "
Instructs the 2461 TYPE C to measure the period of the
signal applied to channel 1.
*******************************************************
MEASure[1][:SCALar]:PWIDth? [<expected value>, <resolution>]
MEASure[1]:ARRay:PWIDth?<array size> [,<expected value>,
<resolution>]
MEASure[1][:SCALar]:NWIDth? [<expected value>, <resolution>]
MEASure[1]:ARRay:NWIDth? <array size> [,<expected value>,
<resolution>]
DESCRIPTION:
These commands set the 2461 TYPE C to measure the
positive or negative pulse width time of the signal on the
input channel 1.
The ARRay command programs the counter for multiple
pulse width measurements as specified by the <array size>
parameter.
The execution of these commands forces the following
settings: channel 1 and 2 are commoned, the slope selection
of channel 1 is set to positive (for positive pulse width
measurement) or negative (for negative pulse width
measurement), the slope selection of channel 2 is set to
negative (for positive pulse width measurement) or positive
2461Type C User Manual
[,<expected
Array size = 1
Racal Instruments  1998