Basic Documentation

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Siemens Actuators SAX.., SAY.., SAV.., SAL.. for valves CE1P4040en
Smart Infrastructure Functions and control 2020-01-30
Legend diagram
Positioning signal
range
Position LO Position UP
Position
feedback U
A DC 2…10 V 2 6 DC 0…10 V
B DC 0…5 V 0 3 DC 0…10 V
C DC 12…17 V C 3 DC 0…10 V
H Stroke or rotary angle
Acting direction: Direct (A, B, C)
Acting direction: Reverse (A', B', C')
4.3.2 Changeover of acting direction
Acting direction
OFF
1)
Direct acting
positioning signal Y or Z
ON
1)
Reverse acting
positioning signal Y or Z
1)
Factory setting: All switches set to OFF
· With valves whose stem is extended in the fully closed position, "direct acting"
means that the actuator’s stem is retracted when positioning signal Y = 0 V resp.
Z = 0 Ω. This applies to all Siemens valves according to "Equipment
combinations" (page 14).
· With valves whose stem is retracted in the fully closed position, "direct acting"
means that the actuator’s stem is extended when positioning signal Y = 0 V
resp. Z = 0 Ω.
Direct acting Reverse acting
Positioning signal Y: DC 0…10 V
4…20 mA
Positioning signal Z: 0...1000 W
Y, Z Positioning signal
V Volumetric flow
Acting direction: Direct
Acting direction: Reverse
Direct acting Reverse acting
Positioning signal Y: DC 0…10 V
4…20 mA
Positioning signal Z: 0...1000 W
Examples
DIL switches
Selecting the acting
direction
SAX61.03
SAV61.00
SAY61P03
SAX61P03
SAV61P00