Agilent Technologies B1500A User's Guide download pdf (Page 64)

2-48 Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3

Driver Functions

agb1500_setCmuAdjustMode

This function selects the phase compensation mode of the MFCMU. After this

function, the MFCMU is initialized.

Syntax ViStatus _VI_FUNC agb1500_setCmuAdjustMode(ViSession vi, ViInt32 channel,

ViInt32 mode);

Parameters vi Instrument handle returned from agb1500_init( ).

channel Slot number of the slot that installs the MFCMU to be used. See

Table 2-2. channel=-1 detects the slot automatically.

mode 0: Auto mode. The B1500 sets the compensation data

automatically.

1: Manual mode. Execute the agb1500_execCmuAdjust

function to perform the phase compensation and set the

compensation data.

agb1500_setCmuFreq

This function sets the frequency of the AC voltage forced by the MFCMU. The AC

voltage output will be triggered by the agb1500_forceCmuAcLevel.

Syntax ViStatus _VI_FUNC agb1500_setCmuFreq(ViSession vi, ViInt32 channel,

ViReal64 value);

Parameters vi Instrument handle returned from agb1500_init( ).

channel Slot number of the slot that installs the MFCMU to be used. See

Table 2-2. channel=-1 detects the slot automatically.

value Frequency (in Hz). Numeric expression.

1000 (1 kHz, initial setting) to 5000000 (5 MHz)

Setting resolution: 1 mHz (1 kHz to), 10 mHz (10 kHz to),

0.1 Hz (100 kHz to), or 1 Hz (1 MHz to 5 MHz).

agb1500_setCmuInteg

This function sets the number of averaging samples or the averaging time set to the

A/D converter of the MFCMU.

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Agilent Technologies B1500A User's Guide Page 64