ABB S800 - Section 2 - Product Description

3BSE015969-600 A 21
Section 2 Product Description
Introduction
Figure 2 shows the basic construction of I/O stations without any redundancy. 
To increase the up-time, a number of component can be set up with redundancy:
•Power Supply
• I/O Module
• Fieldbus Communication Interface (FCI)
• Fieldbus
• ModuleBus