2470 High Voltage SourceMeter Instrument Reference Manual
Section 8: Triggering
2470-901-01 Rev. A /
May
2019
8-27
-- Read and then print the value applied to the entire port.
port = digio.readport()
print(port)
The value returned is 63, which is the decimal equivalent of the binary bit pattern.
Trigger model
The trigger model controls the sequence in which source and measure actions occur. The 2470
trigger model is flexible, allowing you to control as much or as little as needed for your measurement
application.
When you are setting up a trigger model, you can choose the following options:
•
Wait for an event to occur before making another measurement
•
Notify other equipment and timers that an event has occurred
•
Wait for another piece of equipment to signal completion
•
Use measure configuration lists to apply different measure settings dynamically during trigger
model operation
•
Specify delays between events and measurements
•
Use source configuration lists to sweep source settings and values
•
Turn the source on and off with programmable delays to create pulses
•
Store measurements into a given buffer until an event occurs, then switch to another buffer
•
Conditionally take actions based on whether the measurement falls within set limits
Additional options are detailed in the following sections.
The 2470 includes predefined trigger models to allow you to quickly implement a trigger model. You
can also set up your own trigger models.
