<ch_list> must be channels on an E1538A SCP.

SENS:PER:MODE

*RST Condition: SENS:FUNC:COND and INP:POL NORM for all digital SCP channels

Send with VXIplug&play Function: hpe14XX_cmd(...)

Usage See “About Period and Frequency Measurements” on page 16.

SENS:FUNC:PER (@144)

[SENSe:]FUNCtion:PWIDth

[SENSe:]FUNCtion:PWIDth <avg_count>,(@<ch_list>) configures channels to measure the input signal pulse width. See “Measure Pulse Width”

on page 20.

Parameters

 

 

 

 

 

 

 

Parameter

Parameter

Range of

Default

 

 

Name

Type

Values

Units

 

 

 

 

 

 

 

 

avg_count

numeric (uint32)

1 to 255 MINimum MAXimum

seconds

 

 

 

 

 

 

 

 

ch_list

string

100 - 163

none

 

 

 

 

 

 

 

 

 

 

 

 

 

Comments

<avg_count> sets the number of pulses to average when forming the pulse duration value. More counts give more accurate readings, but slower response to changing pulse widths.

*RST Condition: SENS:FUNC:COND and INP:POL NORM for all digital SCP channels.

Send with VXIplug&play Function: hpe14XX_cmd(...)

Usage See “Measure Pulse Width” on page 20.

SENS:FUNC:PWID 10,(@146,147)

channels 46&47 meas pulse width

[SENSe:]FUNCtion:QUADrature

[SENSe:]FUNCtion:QUADrature [<preset_count>,](@<ch_list>)

configures a pair of E1538 channels to measure quadrature count. See

“Sense Quadrature Position” on page 21.

52 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP

Page 56
Image 56
VXI VT1538A user manual SENSeFUNCtionPWIDth, SENSeFUNCtionQUADrature