Siemens Synco 200 Basic Documentation page 116

Application example
Possibilities
Application example
116 / 174
Siemens
Building Technologies
This example shows a plant with the heating, cooling and dehumidification
functions.
Assignments:
Control loop 1 (room temperature) with sequence 1 (heating) and sequence 4
–
(cooling)
Control loop 2 (room humidity) with sequence 4 (dehumidification)
–
Both controllers (sequences 4) command load output AO2, which transmits the
–
resultant signal to the air cooling valve via output Y2.
9.5.6 Pump outputs
Only one pump can be assigned to each sequence. However, each pump can be
controlled by up to 2 sequences.
This example shows an air heating coil with a valve and pump. Both are controlled
by sequence 2; the pump is controlled via pump output SEQ2 P:
DO
AO
Universal Controllers RLU2...
Controller (CTLOOP x)
x x x
CTLOOP 1
y2
x x x x
SHIFT
LIM
CTLOOP 2
y p
y2 x
p2
AO 1
PUMP 1
1
Q1
Y1
x x
y
x
SEQLIM
2
Q
CE1P3101en
29.08.2008