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Siemens
Actuators SAS.., SAT.. for valves
CE1P4041en
Smart Infrastructure
Connection
diagrams and dimensions
2019-04-09
AC 230 V, 3-position
System neutral (SN)
Positioning signal (actuator’s stem extends)
Positioning signal (actuator’s stem retracts)
System potential (SP)
6.2.2
Electrical accessories
Adjustable switching points, AC 24…230 V
System potential (SP)
Closing (actuator’s stem extends)
Opening (actuator’s stem extends)
6.2.3
Cable labeling
The wires are color coded and labeled.
Connection
Cable
Description
Code
No.
Color
Abbreviation
Actuators AC 230V
N
4
blue
BU
System neutral
Y1
6
black
BK
Positioning signal
Y2
7
white
WH
Positioning signal
L
-
System potential
21
-
Fail safe function
Actuators AC 24 V
resp. AC/DC 24 V
G
1
red
RD
System potential
G0
2
black
BK
System neutral
Y1
6
violet
VT
Positioning signal
Y2
7
orange
OG
Positioning signal
Y
8
grey
GY
Positioning signal
M
-
-
Measuring neutral
U
9
pink
PK
Position feedback
Z
-
-
Positioning signal forced control
AC/DC 24 V,
Modbus RTU
connection cable
G
1
red
RD
System potential
G0
2
black
BK
System neutral
REF
6
violet
VT
Reference (Modbus RTU)
+
8
grey
GY
Bus + (Modbus RTU)
-
9
pink
PK
Bus - (Modbus RTU)
SAT31.008
Auxiliary switch
ASC10.51