Keithley 2461 Reference Manual

Model 2461
Interactive SourceMeter® Instrument Reference Manual Section 8:
TSP command reference
2461-901-01 A/November 2015 8-291
Example
reset()
smu.digitize.func = smu.FUNC_DIGITIZE_VOLTAGE
smu.digitize.samplerate = 50000
trigger.model.setblock(1, trigger.BLOCK_BUFFER_CLEAR, defbuffer1)
trigger.model.setblock(2, trigger.BLOCK_DELAY_CONSTANT, 0)
trigger.model.setblock(3, trigger.BLOCK_DIGITIZE, defbuffer1,
trigger.COUNT_INFINITE)
trigger.model.setblock(4, trigger.BLOCK_WAIT, trigger.EVENT_DISPLAY)
trigger.model.setblock(5, trigger.BLOCK_DIGITIZE, defbuffer1,
trigger.COUNT_STOP)
trigger.model.setblock(6, trigger.BLOCK_NOTIFY, trigger.EVENT_NOTIFY1)
trigger.model.initiate()
waitcomplete()
print(defbuffer1.n)
Reset the instrument.
Set the function to digitize voltage.
Set block 1 to clear defbuffer1.
Set block 2 to set a delay of 0.
Set block 3 to make digitize measurements infinitely.
Set block 4 to wait until the front-panel TRIGGER key is pressed.
Set block 5 to stop making digitize measurements.
Set block 6 to send a notification.
Start the trigger model.
Output the number of readings.
Also see
buffer.make() (on page 8-14)
Digitize block (on page 3-110)
trigger.model.setblock() — trigger.BLOCK_LOG_EVENT
This function allows you to log an event in the event log when the trigger model is running.
Type TSP-Link accessible Affected by Where saved Default value
Function
Yes
Restore configuration
Instrument reset
Power cycle
Configuration script
Not applicable
Usage
trigger.model.setblock(blockNumber, trigger.BLOCK_LOG_EVENT, eventNumber, message)
blockNumber
The sequence of the block in the trigger model
eventNumber
The event number:
• trigger.LOG_INFON
• trigger.LOG_WARNN
• trigger.LOG_ERRORN
Where N is 1 to 4; you can define up to four of each type
You can also set trigger.LOG_WARN_ABORT, which aborts the trigger model
immediately and posts a warning event log message
message
A string up to 31 characters

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