Rockwell Automation AADvance Controller Configuration Guide - Manual (Page 60)

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4-20 Document: 553633
ICSTT-RM405f-EN-P
Issue 07
Configuration Guide (AADvance Controller)
Note: Selecting Standard or Mixed will configure 48 empty IOB IO slots for I/O
modules (IOB IO Bus 1 and IO Bus 2); selecting Eurocard will configure 18 empty
slots on IOB IO Bus 1.
Configure the Top-level Process Safety Time (PST)
The PST setting defines the maximum time that the processor will allow the outputs
to remain in the ON state in the event of certain internal diagnostic faults or
systematic application faults. If PST expires the system will go to its safe state.
You have to specify the PST for the whole controller. This is a top level setting, which
you make once for all the T9110 processor modules.
Note: Groups of I/O modules can inherit this setting, or use an I/O module specific
PST setting instead, however this setting cannot exceed the top level setting. For a
large installation with a high number of I/O modules it is recommended that you set
the PST or the Processor a minimum of 1.5s. This is because for a larger installation
the education process for a second or third processor module can take quite a long
time.
To set the top-level process safety time do the following:
1) Select the 9110 Processor in the Equipment tree view.
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The 9110 Module Editor opens.
2) Select the 9110 tab.
3) Enter the time value into the Process Safety Time field. Choose from the
following range of values:
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Minimum: 1500ms
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Maximum: 60,000ms (60 seconds)
Note: If you specify a process safety time below the application execution time,
the application will not run. The default is 2,500ms.
4) Click Apply.