Agilent Technologies 4156C User Manual

Agilent 4155C/4156C VXIplug&play Driver User’s Guide, Edition 4 3-25
Programming Examples for Visual Basic Users
Multi-Channel Sweep Measurements
ret = hp4156b_setInteg(vi, hp4156b_INTEG_TBL_SHORT, 0.0001, 2) ’48
check_err vi, ret
ret = hp4156b_force(vi, m(2), hp4156b_VF_MODE, 0, ve, iecomp, 0) ’51
ret = hp4156b_force(vi, m(1), hp4156b_VF_MODE, 0, vc, iccomp, 0)
ret = hp4156b_setIv(vi, m(0), hp4156b_SWP_VF_SGLLIN, 0, vb1, vb2, nop, hold, delay,
s_delay, ibcomp, pcomp)
check_err vi, ret
ret = hp4156b_sweepMiv(vi, mch(0), mode(0), range(0), rep, sc(0), md(0), st(0))
check_err vi, ret
ret = hp4156b_zeroOutput(vi, hp4156b_CH_ALL) ’59
Dim msg As String
If rep = nop Then ’62
save_data nop, md(), st(), sc(), vi, ret, m()
Else
msg = rep & " measurement steps were returned. It must be " & nop & " steps."
MsgBox msg, vbOKOnly, ""
End If ’67
End Sub ’69
Line Description
48 Sets the A/D converter integration time.
51 to 52 Applies voltage to device.
53 Sets the staircase sweep source.
56 Performs multi channel sweep measurement.
59 Sets the specified port to the zero output state.
49, 54, and 57 Calls the check_err subprogram (shown in Table 3-1) to check if an error status is
returned for the previous line.
62 to 67 Calls the save_data subprogram to save measurement data. Or, displays a message
box if the number of returned data is not equal to the nop value.
69 End of the sweep_meas subprogram.

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