Keithley 2461 Reference Manual

Section
8: TSP command reference Model 2461 Interactive SourceMeter® Instrument
Reference Manual
8-266 2461-901-01 A/November 2015
trigger.model.load() — LogicTrigger
This function loads a predefined trigger model configuration that sets up a logic trigger through the digital I/O.
Type TSP-Link accessible
Affected by Where saved Default value
Function
Yes
Usage
trigger.model.load("LogicTrigger", digInLine, digOutLine, count, clear)
trigger.model.load("LogicTrigger", digInLine, digOutLine, count, clear, sDelay)
trigger.model.load("LogicTrigger", digInLine, digOutLine, count, clear, sDelay,
bufferName)
trigger.model.load("LogicTrigger", digInLine, digOutLine, count, clear, sDelay,
bufferName, readingBlock)
digInLine
The digital input line (1 to 6); also the event that the trigger model will wait
on in block 1
digOutLine
The digital output line (1 to 6)
count
The number of measurements the instrument will make
clear
To clear previously detected trigger events when entering the wait block:
trigger.CLEAR_ENTER
To immediately act on any previously detected triggers and not clear them
(default):
trigger.CLEAR_NEVER
sDelay
The delay time before each measurement (167 ns to 10 ks); default is 0 for
no delay
bufferName
The name of the reading buffer, which may be a default buffer
(defbuffer1 or defbuffer2) or a user-defined buffer; defaults to
defbuffer1
readingBlock
Define a measure or digitize block for the trigger model; options are:
• trigger.READING_ACTIVE: Add a measure or digitize block to the
trigger model based on the active function; if no option defined,
trigger.READING_ACTIVE is used
• trigger.READING_MEASURE: Adds a measure block to the trigger
model
• trigger.READING_DIGITIZE: Adds a digitize block to the trigger
model
Details
This trigger model waits for a digital input event to occur, makes a measurement, and issues a notify
event. The notify event asserts a digital output line.
After selecting a trigger model template, you can view the trigger model blocks in a graphical format
by pressing the front-panel MENU key and under Trigger, selecting Configure. You can also add or
delete blocks and change trigger model settings from this screen. You can use the
trigger.model.getblocklist() command to view the trigger model blocks in a list format.

Keithley 2461 Specifications

General

Maximum Current	7 A
Power	100 W
Resolution	6.5 digits
Source Measure Unit (SMU)	Yes
DC Voltage	100 V
Maximum Voltage	100 V
Display	5-inch capacitive touchscreen
Connectivity	USB, GPIB
Software	TSP
DC Current	7 A
Current Source Range	0 to 7 A
Voltage Measurement Range	100 mV to 100 V
Current Measurement Range	10 nA to 7 A
Voltage Measurement Resolution	100 nV