Siemens Synco 200 Basic Documentation page 108

Example of solar plant
(differential variable)
108 / 174
Siemens
Building Technologies
The solar plant switches on as soon as the temperature in the panel (main
controlled variable) is 5 K above the storage tank temperature (differential
controlled variable):
AI
T
DO
Universal Controllers RLU2...
Controller (CTLOOP x)
X2
X1
LABEL LABEL
TEMP TEMP
Y Y
x x
SHIFT
LIM
CTLOOP 1
T
y p y p y
p2
PUMP 1
Y Y
x
SEQLIM
1
y p Q
CE1P3101en
29.08.2008