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Section 7 I/O Displays
I/O Displays Overview
I/O displays contain information that allow you to identify detectable fault
conditions, monitor general status and performance, change process outputs directly
for testing, and control the status of redundancy. The I/O displays include:
• S800.
• S100.
• PROFIBUS.
• TRIO.
• Direct I/O.
Entries identifying an operator action on the I/O displays are relayed to the
appropriate logging device. Color coding of data shown on the displays is like the
diagnostic displays. Hardware factors to consider are:
• No more than 30 TRIO blocks can be attached to a Field Bus Controller.
• A SC Controller I/O Module has either all TRIO or all Direct I/O.
• A SC Controller can have two Field Buses at most. Each can be either non-
redundant or redundant.
• All SC Controllers backed up by one specific backup controller must have the
same type of I/O: either TRIO or Direct I/O.
• An Advant Controller 460 can have a mixture of TRIO and local S100 I/O,
with a maximum of four non-redundant or two redundant Field Buses.
• An Advant Controller 410 can have a mixture of TRIO and local S100 I/O,
with a maximum of two non-redundant or one redundant Field Bus(es).