MTS Series 793 Controller - Manual (Page 68)

MTS Series 793 Controller Overview
Designing Tests with MultiPurpose TestWare
Operation Concepts 68
For example, suppose you create a test procedure that includes several command
processes that all use the same frequency. Rather than entering a frequency value
for each process separately, you could associate all the frequency parameters
with a “Frequency” variable. Then, between tests (with the test stopped and the
test procedure unlocked) you could use the Variable Editor to change the
frequency value of all the processes at the same time without opening any of their
individual dialogs.
Using MPT Variables
with the Operator
Information process
By adding an Operator Information process to a test procedure, you can change
variable values while the test is running.
When the test procedure is running and the Operator Information process is
triggered, it displays a run-time window. This window requires the operator to
type the information specified by the test designer.
As the test designer, you can choose the type of information displayed in the run-
time window, including predefined variables. You can choose which variables the
operator can change in the window.
You can control when the operator has the ability to change variables by
strategically placing Operator Information processes in the test procedure, or by
nesting them in a repeating Group process.
Using MPT Variables
with the MPT Calculation
process
You can add mathematical operators to variables to create calculated variables.
You can do this in two ways, depending on test design considerations:
• By using the Variables Editor to add calculations to individual parameters in
process windows
• By adding the MPT Variables process to the test procedure in the MPT
Procedure Editor