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Siemens
Actuators SAS.., SAT.. for valves
CE1P4041en
Building Technologies
Functions and control
2015-05-19
4.2.1
Positioning signal and flow characteristic selection
1)
Factory setting: All DIL switches set to OFF
Flow characteristic
Actuator
Valve VVG44.. / VXG44..
Valve & actuator combined
Valve & actuator & heat
exchanger combined
lin
Actuator
Valve VVG55.. / VVG549..
Valve & actuator combined
Valve & actuator & heat
exchanger combined
log
Y, Z
Positioning signal
H
Stroke
V˙
Volumetric flow
Q˙
Heat transfer capacity
Positioning signal
"Y"
Position
feedback "U"
Flow characteristic
OFF
1)
DC 0…10 V
DC 0…10 V
log =
equal-
percentage
ON
DC 4…20 mA DC 0…10 V
lin =
linear
DIL switches