M&I – AC 900F Controller 23
Section 3 Modules
This section provides information on the features and interfaces of the various AC
900F modules.
The parameter data have a direct effect on the module functionality. For more
information on module configuration and parameter setting refer to Engineering
Manual, Process Stations, and Engineering Manual, System Configuration,
Hardware Structure.
PM CPU modules
The PM CPU module is the basic component of the AC 900F controller. It comes
with a high-performance processor for multitasking and for processing tasks with
short cycle times.
The module is equipped with three or four on-board Ethernet network connections
of 100 Mbit/s and two serial interfaces. A third serial interface is provided for
diagnostic purposes and for the connection of a radio clock.
Additional modules can be added on the left and right sides of the CPU module
using the coupler bus slots and an I/O bus interface.
The TD display unit shows the system status and diagnostic data directly at the
module. The operating mode can be changed using the switches provided on the
front panel of the CPU module.
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