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SCPI Commands for the Digital to Analog Converter
3–196
VX4101A MultiPaq Instrument User Manual
be Opened before it can be accessed. In practice, a channel will be in one of the
four active states: (CLOSED, READ ONLY, WRITE ONLY, or both).
The <channel number> parameter is the logical FDC channel number for the
instrument.
VXI[:SERVant]:FDC:SEL?
The query returns the currently selected logical FDC channel. The return value is
a single integer, from 1 to the number of logical FDC channels the instrument
supports.
VXI[SERVant]:FDC:BUFFer?
Returns the length of the last FDC transaction between a servant and a host. The
buffer length is specified in number of samples. The return value is a single
integer ranging from 1 to the number of samples that you have specified.
Command Response/Description
VXI:FDC:SEL<1> Selects logical FDC channel 1 for access.
VXI:FDC:Open, RO Opens FDC channel 1 for read only operation
VXI:FDC? 2,4
Indicates physical FDC channel 2 is implemented on this
devices logical channel 1; physical channel 4 on logical
channel 2
VXI:FDC:CONF? 1 “READ ONLY”
Indicates channel 1 is Opened, Initialized, and Read only.
VXI:FDC:CLOSe Closes FDC channel 1
Examples