5502A
Operators Manual
6-14
EARTH
Overlapped
Coupled
IEEE-488
RS-232
Sequential
x
x
x
x
x
(Earth Ground command) Selects if the Calibrator front panel NORMAL LO terminal is
tied to chassis (earth) ground. When set, the Calibrator keeps the earth setting until power
off or reset.
Parameters:
OPEN
(disconnect front panel LO terminal from chassis ground)
TIED
(connect front panel LO terminal to chassis ground)
Example:
EARTH TIED
Load
TIED
to tie the Calibrator front panel NORMAL LO terminal to earth (the front
panel
key annunciator is on).
EARTH?
Overlapped
Coupled
IEEE-488
RS-232
Sequential
x
x
x
x
x
(Earth Ground query) Shows if the Calibrator front panel NORMAL LO terminal is tied
to chassis (earth) ground.
Responses: (character)
OPEN
(front panel LO terminal disconnected from chassis
ground)
(character)
TIED
(front panel LO terminal connected to chassis ground)
Example:
EARTH?
shows
OPEN
Shows
OPEN
when EARTH is not tied to the NORMAL LO terminal (the front panel
key annunciator is off).
EDIT
Overlapped
Coupled
IEEE-488
RS-232
Sequential
x
x
x
x
x
(Edit command) Sets the edit field to the primary, secondary or frequency field.
Parameters:
PRI
(edit the value in single output functions and the primary output
value in dual output functions)
SEC
(edit the secondary value in dual output functions)
FREQ
(edit the frequency value in single ac output functions)
OFF
(edit is off, which is the same as with the NEWREF command)
Example:
EDIT FREQ
Load
FREQ
into the edit field to edit frequency.
EDIT?
Overlapped
Coupled
IEEE-488
RS-232
Sequential
x
x
x
x
x
(Edit query) Shows the edit field setting.
Responses: (character)
PRI
(value in single output functions, and the primary output
value in dual output functions is in edit)
(character)
SEC
(secondary value in dual output functions is in edit)
(character)
FREQ
(frequency value in single ac output functions is in edit)
(character)
OFF
(no value is in edit.)
Example:
EDIT?
shows
OFF
Shows
OFF
when no value is in edit.
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Страница 261: ...8 1 Chapter 8 Accessories Title Page Introduction 8 3 Rack Mount Kit 8 4 IEEE 488 Interface Cable 8 4 5500A LEADS 8 4 ...
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