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TABLE 3-3 SCPI COMMANDS AND QUERIES
Keyword
Default
Description
Value
SYSTem
-
Starts System command branch.
:COMMunicate
-
Identifies communication subsystem com-
mands
:GPIB
-
Controls GPIB (IEEE 488) port settings
ADDRess(1)
04
Sets GPIB primary address. Values = 0 - 30
for Single mode, 0-29 for Dual mode and 1
to 30 for Secondary addressing. Provide 70
ms delay after an address change before
next command Note - The GPIB address
and the serial address are the same param-
eter. Changing either one, changes both
settings.
:ADDRess?
Returns 0 - 30 for 4863 primary address.
:EXTernal
OFF
Enables an external address switch to be
used to input a switch setting for the GPIB
address instead of the value saved in Flash.
Values = 0|1 or OFF|ON.
:MODE
SINGle
Selects GPIB address mode. Single mode
uses one primary address to transfer data
with commands. Dual enables two con-
secutive primary addresses. Secondary uses
one primary address and secondary address
00 and 01. The higher address is used for
transparent data transfer. Values = SINGle
| DUAL | SECondary. Provide 70 ms delay
after a mode change to next command.
:OFFset
1
In the Dual Primary Address Mode, the
OFFset parameter is added to the unit's
primary GPIB address to determine the up-
per or higher GPIB address. The user must
select the OFFset and the unit's Primary
Address so that the upper GPIB address
is an unused GPIB address within the 1 to
30 address range. The variable OFFset
parameter is not used in the Dual Secondary
Address Mode. Value is 1 to 10.
and dual
primary
address
mode
