Mts Series 793 Application Bedienungsanleitung PDF herunterladen (Seite 251)

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Model 793.71/72 Time History Output Process

MTS MultiPurpose TestWare® Command Processes

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You may make limited changes to the contents of an RPC time history file

between the time its name is entered here and when it is actually used during

the execution of a procedure. MPT will compare the file header at execution

time to its contents during the definition phase. If it detects any differences in

any of the following parameters, an error status will be returned and the test

will be terminated:

• RPC File Type

• Number of channels

• Points per group

• Sampling rate

• Channel full scales

• Channel descriptors

• Channel units

• Channel mapping

Passes

Specifies the number of passes the drive file will play out each time the process

runs, as specified on the General tab.

This function differs from the Execute Process value on the General tab. The

difference is that the Time History Output process will come to a complete

halt and then re-initialize and restart for each Execute Process count specified

in the General tab. This creates a delay between the end of one count and the

beginning of another.

Passes entered here do not result in a delay because the application simply

reads data from the beginning of the already opened file and queues it in real

time, which eliminates any delay.

Relative Time Signal

If selected, the process reads the current command value on each channel when

the process runs. These commands are added to each point in the time history

as it is read from its file, and the modified command is played out. With this

feature, you can preload a channel and then play out the time history relative to

that preloaded value. If not checked, the time history is played out as it is

stored in the disk file.

Command Tab (part 2 of 3)

TEM DESCRIPTION

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