Data Sheet for Product

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Siemens Electrothermal actuators STA..3.., STP..3.. CE1N4884en
Smart Infrastructure 2020-04-16
[min]
1
2
3
4
[min]
Some controllers drive the valve actuators with PDM/TPI signals. This increases the
response time. For optimal control, the ambient temperature of the actuator must be
< 40°C.
Pulse-duration modulation/Time Proportional Integral
Accessories
The actuators STA../00 and STP../00 are supplied without a connecting cable.
They can be assembled as per the table "Accessories/connecting cables" on
page 4. The product also includes halogen-free cable (Lengths 2 / 5 / 10 m).
Standard connecting cable for all STA.. and STP.. Actuators for open/close
positioning signal AC 24 V or AC 230 V with PVC coating. Lengths 0.8 / 2 / 3 / 5 /
10 / 15 m.
Positioning times,
Opening
/cl
osing
S Positioning signal
H Stroke in %
1 Actuator ST..2.. (AC 230 V)
2 Actuator ST..7.. (AC 24 V)
3/4 Warm start
– Values at 25° C (ambient temperature)
– The positioning time depends on the voltage and the ambient temperature
Warning
Separate connecting
cable
ASY23L..
G/+
G0/-
AC/DC 24 V
4
8
8
4
Z
0
3
L
N
AC 230 V
L1
L2
Ø
4
8
8
4
Z
0
2
G/+ L brown
G0/- N blue
L1 ca. 50 mm
L2 ca. 6 mm
Cross section ≤ 2 m 0,5 mm
2
, > 2 m 0,75 mm
2