[SENSe:]COUNter:DATA?

Syntax | Description | Parameters | Remarks | Return Format | Examples

Syntax

[SENSe:]COUNter:DATA? (@<ch_list>)

Description

This command returns the data from the last configured counter measurement on the 34950A Digital I/O Module. The results returned are based on the counter measurement function previously selected (frequency, period, duty cycle, pulse width, or totalize).

Used With:

• 34950A Digital I/O Module

Parameters

Name	Type	Range of Values	Default Value
<ch_list>	Numeric	One or more counter channels in the form (@sccc). Select from s301 or s302.	This is a required parameter

Remarks

• If the specified counter channels are currently initiated (see [SENSe:]COUNter:INITiate command) and are using an internal gate source (see [SENSe:]COUNter:GATE:SOURce command), then the [SENSe:]COUNter:DATA? command will pend until the measurement is finished.

• When the counter takes an initiated measurement, it gathers enough information about the signal to derive all five measurement attributes (frequency, period, duty cycle, pulse width, and totalize).

• For non-initiated totalizer measurements, the [SENSe:]COUNter:DATA? command will return the current result.

Return Format

For initiated measurements, the command returns the results in hertz (frequency), seconds (period or pulse width), percent (duty cycle), or count (totalize). Multiple responses are separated by commas.

For totalizer measurements, the command returns an unsigned decimal value representing the count on each totalizer channel specified (a full 32-bit count is returned). Multiple responses are separated by commas.

Examples

The following command configures counter channels 301 and 302 on the module in slot 3 for frequency measurements and reads the results.  

CONF:COUN:FREQ 1E-3,(@3301,3302)
COUN:INIT (@3301,3302)
COUN:DATA? (@3301,3302)

Typical Response:  +3.45600000E+05,+1.23400000E+05

The following command configures counter channels 301 and 302 on the module in slot 3 for totalizer measurements and reads the results.  

CONF:COUN:TOT READ,(@3301,3302)
COUN:DATA? (@3301,3302)

Typical Response:  1.321300000E+03,3.874300000E+03

See Also

CONFigure:COUNter:DCYCle

CONFigure:COUNter:FREQuency

CONFigure:COUNter:PERiod

CONFigure:COUNter:PWIDth

CONFigure:COUNter:TOTalize

[SENSe:]COUNter:GATE:SOURce

[SENSe:]COUNter:DCYCle[:DATA]?

[SENSe:]COUNter:FREQuency[:DATA]?

[SENSe:]COUNter:PERiod[:DATA]?

[SENSe:]COUNter:PWIDth[:DATA]?

[SENSe:]COUNter:TOTalize[:DATA]?