Fluke 522A/6, Руководство оператора

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Remote Commands
Commands
6
6-33
Example:
RANGELCK?
returns
OFF
Returns
OFF
when the range for dc volts or dc current is not locked (autoranging
enabled).
REFCLOCK
Overlapped Coupled IEEE-488 RS-232 Sequential
x x x x x
(Reference Clock command) Sets the reference clock source (internal or through the 10
MHz IN BNC connector).
Parameter
INT
(Sets internal reference clock)
EXT
(Sets external reference clock)
Example:
REFCLOCK INT
Once set, the Calibrator retains the external guard setting until power off or reset.
REFCLOCK?
Sequential Overlapped Coupled IEEE-488 RS-232
x x x x x
(Reference Clock query) Returns the reference clock source (internal or through the 10
MHz IN BNC connector).
Response: (character)
INT
(Reference clock is internal)
(character)
EXT
(Reference clock is external)
Example:
REFCLOCK?
returns
INT
REFCLOCK_D
Sequential Overlapped Coupled IEEE-488 RS-232
x x x x x
(Reference Clock Default command) Sets the power-up and reset default for the
reference clock source (internal or through the 10 MHz IN BNC connector).
Parameters
INT
(Sets internal reference clock)
EXT
(Sets external reference clock)
The reference clock is set to the default at power on, reset, and when going into an ac
function.
Example:
REFCLOCK_D INT
REFCLOCK_D?
Sequential Overlapped Coupled IEEE-488 RS-232
x x x x x
(Reference Clock Default query) Returns the power-up and reset default for the
reference clock source (internal or through the 10 MHz IN BNC connector).
Responses: (character)
INT
(Reference clock is internal)
(character)
EXT
(Reference clock is external)
Example:
REFCLOCK_D?
returns
INT
REFOUT?
Sequential Overlapped Coupled IEEE-488 RS-232
x x x x
x
(Reference Output query) Returns the present value of the reference when editing the
output (error mode). If not editing the output using the
INCR
command, the return is 0
(
0E+00
). The reference value is set with the
OUT
,
NEWREF
or
MULT
commands. To
determine which quantity is being edited, use the
EDIT?
and
OUT?
commands.
Response: <reference value>
Example:
REFOUT?
returns
0E+00