Agilent Technologies B1500A

2-38 Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3
Driver Functions
agb1500_opc_Q
agb1500_opc_Q
This function does the *OPC? common command.
Syntax ViStatus _VI_FUNC agb1500_opc_Q(ViSession vi, ViPBoolean result);
Parameters vi Instrument handle returned from agb1500_init( ).
result *OPC? command execution result. Returned data. VI_TRUE
(Operation complete), or VI_FALSE (Operation is pending).
Example
ViSession vi;
ViStatus ret;
ViPBoolean result;
ret = agb1500_opc_Q(vi,&result);
agb1500_readData
This function reads and returns the source setup data or the data measured by the
agb1500_startMeasure function.
Syntax ViStatus _VI_FUNC agb1500_readData(ViSession vi, ViPInt32 eod,
ViPInt32 data_type, ViPReal64 value, ViPInt32 status, ViPInt32 channel);
Parameters vi Instrument handle returned from agb1500_init( ).
eod End of data flag. 0 (not end of data) or 1 (end of data). Returned
data.
data_type Data type of the value. Returned data.
1: Current measurement data
2: Voltage measurement data
3: Current output data
4: Voltage output data
5: Time stamp data
6: Impedance (R-X) measurement data
7: Admittance (G-B) measurement data
8: Capacitance measurement data
9: Dissipation factor measurement data
10: Quality factor measurement data
11: Inductance measurement data
12: Phase measurement data (radian)
13: Phase measurement data (degree)
14: Frequency data