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execution error is reported. This command also
automatically clears any voltage or current trips.
IOUT?
The IOUT? query returns the actual output current.
This is the same value as shown on the front panel
meter. Note: As with the front panel meters, this
value takes about a second to stabilize after a
change in current.
VOUT?
The VOUT? query returns the actual output
voltage. This is the same voltage as shown on the
front panel meter. The value returned is a floating
point value and includes the sign of the output
voltage. Note: As with the front panel meters, this
value takes about a second to stabilize after a
change in voltage.
Setting Control Commands
*RCL i
The *RCL command recalls stored setting i.
Setting 0 recalls the default settings. If the stored
setting is corrupted, an error is returned.
*SAV i
The *SAV command stores the present setup as
setting i. i may range from 1 to 9.
ILIM(?) x
The ILIM command sets the value of the current
limit to x. The value x is a floating point value with
the units of Amps (e.g. 1 mA = 1E-3). The ILIM?
query returns the current limit setting.
ITRP(?) x
The ITRP command sets the value of the current
trip to x. The value x is a floating point value with
the units of Amps (e.g. 1 mA = 1E-3). The ITRP?
query returns the current trip setting.
SMOD?
The SMOD? query returns the VSET setting mode.
The value 0 means that the voltage value is
controlled by the front panel setting, while the
value 1 indicates that the output is controlled by the
rear panel voltage control input. Note that the
setting mode may only be changed by setting the
rear panel switch.
TCLR
The TCLR command clears any voltage or current
trips.
TMOD(?) i
The TMOD command sets the trip reset mode. The
value i = 0 sets manual trip reset, while the value i
= 1 sets the trip reset mode to auto.
VLIM(?) x
The VLIM command sets the value of the voltage
limit to x where x is the value in Volts. The sign of
value x MUST match the PS300's polarity setting.
The VLIM? query returns the present VLIM
setting. As with front panel control, the VLIM
value must be greater than or equal to the VSET
value or an execution error will be returned.
VSET(?) x
The VSET command sets the value of the voltage
set to x if front panel control is enabled. If rear
panel control is enabled, an error is returned. The
value x is a number in the units of Volts and the
sign of the number MUST match the PS300's
polarity setting. The VSET? query returns the
current VSET value. As with front panel control,
the VSET value must be less than or equal to to
VLIM value or an execution error will be returned.
Interface Control Command
*RST
The *RST common command resets the PS300 to
its default configurations. It is the same as holding
down "CLR " at power on.
*IDN?
The *IDN common query returns the PS300's
device configuration. This string is in the format:
StanfordResearchSystems,PS3XX,serial number,
version number, where XX is the particular model
number, "serial number" is the serial number of the
particular unit, and "version number" is the 3 digit
firmware version number.
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