Keithley 2450 User Manual

Model 2450
Interactive SourceMeter® Instrument Reference Manual Section 3:
Functions and features
2450-901-01 Rev. B/September 2013 3-101
Once excluded
The branch-once-excluded building block is ignored by the trigger model the first time it is
encountered. If the trigger model encounters the block again, it goes to a specified building block.
The branch-once-excluded block is reset when the trigger model starts.
Trigger block summary
Front-panel icon SCPI command
TSP command
Block description
Not applicable
:TRIGger:BLOCk:LIST? (on page 6-142)
trigger.model.getblocklist() (on page 8-186
)
This returns the
settings for all trigger
model building
blocks
:TRIGger:BLOCk:BRANch:ALWays (on page 6-128)
trigger.model.setblock() — trigger.BLOCK_BRANCH_ALWAYS
(on page
8-192)
This defines a
trigger model block
that always goes to
a specific block
Not applicable
:TRIGger:BLOCk:BRANch:COUNter (on page 6-128) (query)
trigger.model.getbranchcount() (on page 8-187
)
This returns the
count value of the
trigger model
counter block
:TRIGger:BLOCk:BRANch:COUNter (on page 6-128)
trigger.model.setblock() — trigger.BLOCK_BRANCH_COUNTER
(on
page 8-193)
This branches to a
specified block a
specified number of
times
:TRIGger:BLOCk:BRANch:DELTa (on page 6-130)
trigger.model.setblock() — trigger.BLOCK_BRANCH_DELTA
(on page
8-194)
This defines a
trigger model block
that goes to a
specified block if the
difference of two
measurements
meets preset criteria

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