Control system (BMS 2007)
VITOBLOC 200
CHP switching cabinet
13
5780078
GB
2.3
Control, measuring and regulating unit
The control, measuring and regulating unit consists of
a 19
” rack with the following components.
Components
Number
power supply unit (24
V
)
1
CPU engine control
1
digital inputs (24
V
)
32
digital outputs (24
V
)
16
analog measuring inputs (0
–20 mA)
6
analog target value outputs (0
–10 V)
2
CPU line protection
1
voltage inputs (0
–300 V~
6
current conversion inputs (0
–50 mA ~)
3
Tab. 13 The components of the control, measuring and regulating unit
The control unit carries out the following functions:
Functions
mains monitoring
output regulation and monitoring
alternator voltage monitoring
lambda regulation and gas monitoring
alternator current monitoring
enabling in stand-by operation and 50 Hz regulation
speed regulation and monitoring
temperature controller
synchronising
automatic select and deselect after internal or
external heating water return temperature
oil pressure and oil level monitoring
start-stop process
cooling water, exhaust gas and
alternator temperature monitoring
Tab. 14 Functions