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Siemens
VAV compact controller KNX/PL-Link G..B181.1E/KN
CE1P3547en
Building Technologies
2017-03-23
VAV ratio control, 20 % constant excess supply air volume flow (positive
pressure in the room)
Supply air
Extract air
min
V
%
max
V
%
min
V
%
max
V
%
Supervisory controller
0 %
100 %
0 %
100 %
VAV compact controller
20 %
80 %
0 %
60 %
Reference signal: Y
supply_air
= Y
extract_air
= 25 %
Result:
V
supply_air
= 35 %, V
extract_air
= 15 %
min
V
%
max
V
%
V
%
min
V
%
max
V
%
V
%
supply_ air
V
%
r
extract_ ai
V
%
VAV ratio control, 20 % constant excess extract air volume flow (negative
pressure in the room)
Supply air
Extract air
min
V
%
max
V
%
min
V
%
max
V
%
Supervisory controller
0 %
100 %
0 %
100 %
VAV compact controller
20 %
80 %
40 %
100 %
Reference signal: Y
supply_air
= Y
extract_air
= 25 %
Result:
V
supply_air
= 35 %, V
supply_air
= 55 %
100
min
V
%
max
V
%
100
80
60
40
20
-20
0
40
60
80
0
100
60
40
120
Reference signal
Y
supply_air
V
%
100
min
V
%
max
V
%
100
80
60
40
20
-20
0
40
60
80
0
80
60
20
120
Reference signal
Y
extract_air
V
%
Supply air controller
Extract air controller
supply_ air
V
%
r
extract_ ai
V
%
Setting example B2
Setting example B3
