Chapter 4 Remote Interface Reference
Output Setting and Operation Commands
76
VOLTage:STEP {<numeric value>|DEFault}
This command sets the step size for voltage programming with the
VOLT UP
and
VOLT DOWN
commands . See the above example in the previous page.
To set the step size to the minimum resolution, set the step size to ‘‘
DEFault
’’.
The mini mum resol utio n of the step size is approxi m ately 0.36 mV (E3633A)
and 0.95 mV (E3634A ) respectively. The
VOLT:STEP? DEF
returns the
minimum resolution of your instrument. The immediate voltage level increases
or decreases by the value of the step size. For example, the output voltage will
increa se o r d e crea se 10 m V i f the s t e p s iz e i s 0 . 0 1 .
This com mand is useful when you program the power suppl y to the all owed
mini mu m resol uti on. At
*RST
, the step size is the value of the m i nim um
resolution.
VOLTage:STEP? {DEFault}
This query returns the value of the step size currently specified. The returned
parameter is a numeric value. ‘‘
DEFault
’’ gives the minimum resolution step
size in uni t of volts.
VOLTage:TRIGgered {<voltage>| MINimum | MAXimum}
This com mand program s the pending triggered voltage level. The pendin g
triggered voltage level is a stored value that i s transferred to the output
terminals when a trigger occurs. A pending triggered level is not affected by
subsequent
VOLTage
commands.
VOLTage:TRIGgered? [MINimum | MAXimum]
This query returns the triggered voltage level presently programm ed. If no
triggered level is programmed, the
VOLT
level is returned.
VOLT:TRIG? MAX
and
VOLT:TRIG? MIN
return the highest and lowest programmable triggered
voltage levels.
VOLTage:PROTection {<voltage>|MINimum|MAXimum}
This command sets the voltage level at which the overvoltage protection (OVP)
circuit will trip. If the peak output voltage exceeds the OVP level, then the
power supply output is shorted by an internal SCR. The Questionable Status
register ‘‘OV’’ bit is set (see
page 91). An overvoltage condition can be cleared
with the
VOLT:PROT:CLE
command after the condition that caused the OVP
trip is rem oved.
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