Agilent Technologies 4156C User Manual

Agilent 4155C/4156C VXIplug&play Driver User’s Guide, Edition 4 2-59
Driver Function Reference
hpe5250a_cmdReal64Arr_Q
Syntax ViStatus _VI_FUNC hpe5250a_cmdReal(ViSession vi, ViString cmd_str,
ViReal64 value);
Parameters vi Instrument handle returned from hpe5250a_init( ).
cmd_str Instrument command (cannot exceed 256 bytes in length).
value Parameter for command. -1E+300 to 1E+300.
hpe5250a_cmdReal64Arr_Q
This function passes the cmd_str string to the instrument. This command expects a
response that is a definite arbitrary block of 64 bit real. You specify the cmd_str and
size parameters, and get result[ ] and count.
Syntax ViStatus _VI_FUNC hpe5250a_cmdReal64Arr_Q(ViSession vi, ViString cmd_str,
ViInt32 size, ViReal64 _VI_FAR result[ ], ViPInt32 count);
Parameters vi Instrument handle returned from hpe5250a_init( ).
cmd_str Instrument command (cannot exceed 256 bytes in length).
size Size of result[ ] (number of items in the array).
1 to 2147483647.
result[ ] Response from instrument.
count Count of valid items in result[ ].
hpe5250a_cmdReal64_Q
This function passes the cmd_str string to the instrument. This command expects a
response that can be returned as a 64 bit real.
Syntax ViStatus _VI_FUNC hpe5250a_cmdReal64_Q(ViSession vi, ViString cmd_str,
ViPReal64 result);
Parameters vi Instrument handle returned from hpe5250a_init( ).
cmd_str Instrument command (cannot exceed 256 bytes in length).
result Response from instrument.

Agilent Technologies 4156C Specifications

General

Brand	Agilent Technologies
Model	4156C
Category	Measuring Instruments
Language	English

Summary

1 Installation

System Requirements

Specifies the necessary software and hardware environments for using the VXIplug&play driver.

Installing VXIplug&play Driver

Provides step-by-step instructions for installing the VXIplug&play driver for the instruments.

2 Driver Function Reference

4155/4156 Driver Functions

Details the functions available for controlling the Agilent 4155/4156 VXIplug&play driver.

E5250A Driver Functions

Details the functions available for controlling the Agilent E5250A VXIplug&play driver.

6 Programming Examples for VEE Users

Programming Basics

Registrating the Driver on Agilent VEE

Details the process of registering the VXIplug&play driver within the Agilent VEE environment.

Basic Objects to Control the Instrument