Agilent Technologies L4400 manual L4452A Example Program Segments, Digital Input/Output, Totalizer

L4452A Multifunction Module with DIO, D/A, and Totalizer 10

L4452A Example Program Segments

The following sections contain example program segments of commonly used instrument functions.

The slot and channel addressing scheme used in these examples follow the form 1ccc where ccc is the channel number. For information on specific configurations, refer to the simplified schematic on page 243.

For detailed example programs involving multiple drivers and development environments, refer to the the L4400 Product Reference CD- ROM (p/n 34989- 13601).

Digital Input/Output

Example: Configuring a DIO channel The following program segment configures channel 1 on the DAC as an output and then reads the output value (the channel is not reconfigured as an input). Then, the channel is reconfigured as an input and the value is read again.

The second command below returns 64 as it is physically reading the output data.

SOURce:DIGital:DATA:BYTE 64,(@1001)

SENSe:DIGital:DATA:BIT? 0,(@1001)

The second command below returns whatever is being input externally.

CONFigure:DIGital:STATe INPut,(@1001)

SENSe:DIGital:DATA:BIT? 0,(@1001)

Totalizer

Example: Reading totalizer channel count The following command reads the count on totalizer channel 5.

SENSe:TOTalize:DATA? (@1005)

Example: Configuring the totalizer reset mode To configure the totalizer reset mode, send either of the following commands.

The following command configures totalizer channel 5 to be read without resetting its count.

SENSe:TOTalize:TYPE READ,(@1005)

The following command configures totalizer channel 5 to be reset to "0" after it is read (RRESet means “read and reset”).

CONFigure:TOTalize RRES,(@1005)

L4400 User’s Guide 241