Section 1 Overview Features
M&I – AC 900F Controller 13
Features
The AC 900F exhibits the following main features:
CPU module
– PowerPC (II Pro family)
– RISC architecture
Main memory
– Main memory for data and application
Battery
– Lithium battery for RAM buffering
Interfaces
– Four or three Ethernet interfaces depending on the CPU module. The first
interface is used for Control Net, the second as redundancy link and the
remaining interfaces three and four are available for other connections or
Control Net redundancy.
Coupler bus
– Two slots C1 and C2
– Supports fieldbus communication interfaces
I/O bus
– Ten slots L1 to L10 for up to ten I/O modules
– Supports different I/O module types
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