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Siemens
Actuators SAS.., SAT.. for valves
CE1P4041en
Smart Infrastructure
Functions
and control
2019-04-09
4.4.5
Indicators
A
Indication of travel
B
Scale
Position indication
C
Indicator
D
LED Status indication
In Automatic mode, the manual adjuster serves for the indication of travel.
See "Automatic" (page 42).
When turning the manual adjuster, the indicator also moves.
The scale indicates the stroke. When reaching the stops, the valve is either fully
open or fully closed.
Housing cover fitted
Housing cover removed
When the housing cover is fitted, the LED can be
viewed through a light conductor.
When the housing cover is removed, the
LED can be viewed through a hole.
The status indication informs about the operational state of the actuator.
LED
Indication
Operating state
Remarks, troubleshooting
Green
On
Automatic mode
Normal operation
Blinking
Calibration
Wait until calibration is finished
(then green or red light)
In manual mode
Manual adjuster in MAN position
Red
On
Calibration error
Start calibration again
Undervoltage (AC 13 V)
Check operating voltage
Blinking
Clogged valve, detection of
foreign bodies
Check valve / actuator
Dark
Dark
No power or electronics faulty
Check operating voltage
Operational status
indication
Position indication
Status indication (LED),
only with modulating
control (only SA..61..)