Keithley 4200-SCS Reference Manual page 663

Semiconductor characterization system
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Model 4200-SCS Reference Manual
Table 8-16 (continued)
Modifiers
Support
instr_id
SMUn
(continued)
SMUn
(continued)
SMUn
(continued)
1. These modifiers perform no operations in the 4200-SCS. They are included only for compatibility, so that existing S600 programs using the
setmode function can be ported to the 4200-SCS without problems.
4200-901-01 Rev. S / May 2017
Parameters
modifier
value
KI_DELAY_FACTOR <value>
KI_IMTR
KI_S400
KI_DMM
KI_ELECTROMETER
Any
KI_LIM_INDCTR
KI_LIM_MODE
KI_INDICATOR
KI_VALUE
KI_VMTR
KI_S400
KI_DMM
KI_ELECTROMETER
Return to
Section Topics
Section 8: Keithley User Library Tool (KULT)
Comment
This factor scales the internal delay times used
by the SMU. A value larger than one increases
the delays; a value less than one decreases the
delays. A minimum delay will be enforced by the
SMU.
NOTE: This command should not be used when
setting the SMU speed to FAST, NORMAL, or
QUIET modes; the delay factor is set internally by
these modes so changing the value while using
one of the predefined modes corrupts the speed
settings or the delay factor.
Sets up the SMU as a current meter. The ranges
used are representative of the type of instrument
being simulated. NOTE: This setmode will turn
the source on.
Sets the SMU to use ranges equivalent to the
Model S400.
Sets the SMU to use ranges equivalent to a DMM
(lowest range = 100 µa). Provides a lower
resolution, fast measurement. Used for high
current applications.
Sets the SMU to use ranges equivalent to an
electrometer. Provides best measurement
resolution, but has a slower measurement time.
Used for low current measurements.
Controls what measure value is returned if the
SMU is at its programmed limit. The devint
default is
SOURCE_LIMIT (7.0 e22)
NOTE: The SMU always returns
INST_OVERRANGE (1.0 e22)
fixed range that is too low for the signal being
measured.
Controls whether SMU will return an indicator
value when in limit or overrange, or the actual
value measured. The default mode after a devint
is to return an indicator value.
Sets up the SMU as a volt meter. The ranges
used are representative of the type of instrument
being simulated. Note: This setmode will turn the
source on.
Sets the SMU to use ranges equivalent to the
Model S400.
Sets the SMU to use ranges equivalent to a
DMM. Provides a low impedance, fast
measurement. Used for low voltage applications.
Sets the SMU to use ranges equivalent to an
electrometer. Provides a high input impedance,
but has a slower measurement time. Used for
high resistance measurements.
.
if it is on a
8-147

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