User Manual

Table Of Contents
ECU Energy Control Unit
4 Function Description
The ECU consists of five main blocks:
Central Processing Unit
•I/O-block
Power and cold start
Local bus
Optical interface
The relations between these five main blocks are shown in the figure below.
I/O Block
CPU
Control sig.
Alarms
Sensor sig.
Local bus A
Local bus B
Local Bus
Optical Interface
Opto loop
24 V AC
24 V DC
Power and Cold Start
P003042B
ECU
Internal
ECU
supply
F
igure 1 Block Diagram
4.1 Central Processing Unit
T
he CPU carries out energy and environmental management within the RBS.
5 (10)
EN/LZT 720 0245 Uen R1A