22.
Timer (option)
The timer board is used to increase the operating time for the entire or any
portion of the valve travel.
Example:
In order to avoid water hammer in long pipelines, stepping mode can be
chosen for any part of the travel.
.
The timer is installed in the actuator controls AUMA MATIC instead of the
interface board.
.
Electronic timer is not possible in combination with positioner.
22.1 Functions of the diagnosis LEDs (timer)
V14 is illuminated:
Phase failure and/or motor protection tripped,
For version with PTC thermistors:
Reset by selector switch position
III
at local controls.
V15 is illuminated:
Torque fault: Tripping torque was exceeded before
reaching the end position.
V21 is illuminated:
Stepping mode in direction CLOSE is switched on.
V22 is illuminated:
Stepping mode in direction OPEN is switched on.
45
Multi-turn actuators SA 07.1 – SA 30.1/SAR 07.1 – SAR 30.1
Operation instructions
with actuator controls AUMA MATIC AM 01.1/AM 02.1
Figure 54: Cover plate for timer A1.6
