Keithley 2450 User Manual

Section
8: TSP command reference Model 2450 Interactive SourceMeter® Instrument
Reference Manual
8-126 2450-901-01 Rev. B/September 2013
smu.measure.userdelay[N]
This attribute sets a user-defined delay that can be used in the trigger model.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (RW) Yes
Restore configuration
Instrument reset
Power cycle
Measure configuration list
Function change
Configuration script
Measure configuration list
0
Usage
delayTime = smu.measure.userdelay[N]
smu.measure.userdelay[N] = delayTime
delayTime
The delay in seconds (0 to 10000)
N
The user delay to which this time applies (1 to 5)
Details
To use this commands in a trigger model, assign the delay to the dynamic delay block.
Example
smu.measure.userdelay[2] = .5
trigger.model.setblock(6, trigger.BLOCK_DELAY_DYNAMIC, trigger.USER_DELAY_M2)
Set user delay 2 to be 0.5 seconds. Sets trigger model block 6 to use the delay.
Also see
trigger.model.setblock() — trigger.BLOCK_DELAY_DYNAMIC (on page 8-206)
smu.reset()
This function turns off the output and resets the commands that begin with smu. to their default settings.
Type TSP-Link accessible
Affected by Where saved Default value
Function
Yes
Usage
smu.reset()
Details
This function turns off the output and resets the commands that begin with smu. to their default settings.
Example
smu.reset()
Turns off the output and resets the SMU
commands to their default settings.
Also see
reset() (on page 8-82)

Keithley 2450 Specifications

General

Model	2450
Category	SourceMeter
Voltage Source Range	±200 V
Current Source Range	±1 A
DC Voltage	200 V
DC Current	1 A
Power Output	20 W
Resolution	6.5 digits
Display	5-inch capacitive touchscreen
Operating Temperature	0°C to 50°C
Connectivity	USB, LAN, GPIB
Dimensions	213 mm × 88 mm × 370 mm