3 Components and functions
20 SA-112-0106V1.0-WEM-GB © F. Stephan GmbH
3.1.2 Controller board
Fig. 13: Controller board
1 PDU board 2 controller board
Various functional groups are accommodated on the controller board.
The figure shows the functional groups for the user interface, CPU and
interfaces.
The user interface consists of the keyboard, display (LCD) and LEDs as
input and output units for regular handling of the system. The controller
board also contains the alarm system for indicating alarm statuses.
The digital interfaces for triggering the actuators and reading the sensors
(via the sensor board) are integrated on the controller board.
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