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3
TABLE 3-3 SCPI COMMANDS AND QUERIES
(CONTINUED)
Keyword
Default
Description
Value
:BYTe?
-
Reads byte selected by the byte parameter.
Bit logic levels set by the last
SOURCe:DATA:PORTn:POL command.
Byte value is 1 to n bytes. Response is 0 to
255.
[:DIGital]
-
Optional digital data identifier
:DATA
-
Digital data identifier
[:VALue]?
-
Reads input ports selected by Configure
branch. Format set by FORMat:TALK set-
ting.
:PORT?
-
Returns value of bytes specified in the at-
tached number or channel list. Format set
by FORMat:TALK setting. Value is 1 to 6
:PORTn?
-
Queries the value of byte n. Format set by
FORMat:TALK setting. Value of n is 1 to
6
:POLarity
255
Sets input byte logic true polarity for the
SENSe branch. Bits may be set indepen-
dently. Value is 0 to 255. May be queried
to read current polarity.
:RESet:EDR
Resets 4863 EDR or 4803 EDR #1 flip-flop
without reading the input data.
[SOURce]
Starts direct digital byte output branch
Optional branch identifier
[:DIGital]
-
Optional digital data identifier
:DATA
-
Digital data identifier
[:VALue][?]
-
Writes data string to output bytes set by the
Configure branch. Format set by
FORM:LISTen setting. Can be queried to
read back last output value.