2.
Short description
Multi-turn actuator
Definition in compliance with EN 15714-2/EN ISO 5210:
A multi-turn actuator is an actuator which transmits torque to a valve for at least one
full revolution.
AUMA multi-turn actuat-
or
Figure 1: AUMA SAV 10.2 multi-turn actuator
[1]
Multi-turn actuator with motor and handwheel
[2]
Actuator controls
[3]
Local controls with display, (a) selector switch and (b) push button
[4]
Valve connection, e.g. output drive type A
AUMA multi-turn actuators SAV 07.2 – SAV 16.2/SARV 07.2 – SARV 16.2 are driven
by an electric motor. A handwheel is available for setting and emergency operation.
Switching off in end positions may be either by limit or torque seating.
Actuator controls are required to operate or process the actuator signals.
For non-intrusive version (control unit: electromechanical version), limit and torque
setting is made via switches within the actuator.
For non-intrusive version (control unit: electronic version), limit and torque setting is
made via the actuator controls, neither actuator nor the actuator controls housing
have o be opened. For this purpose, the actuator is equipped with an MWG (magnetic
limit and torque transmitter), also capable of supplying analogue torque feedback
signals/torque indication and analogue position feedback signals/position indication
at the actuator controls output.
In combination with output drive type A, the actuator is capable of withstanding thrust.
For variable speed multi-turn actuators SAV 07.2 – SAV 16.2/SARV 07.2 – SARV
16.2, the actuator speed is modified by means of a frequency converter in the actuator
controls.
Actuator controls
The actuator controls ACV 01.2 may be mounted directly to the actuator or separately
on a wall bracket.
The actuator can be operated via the push buttons on the local controls of the actuator
controls or settings can be made in the actuator controls menu. The display shows
information on the actuator as well as the menu settings.
The functions of the actuator controls include standard valve control in OPEN-CLOSE
duty, positioning, process control, logging of operating data, diagnostic functions
right through control via various interfaces (e.g. fieldbus, Ethernet and HART).
App and software
Using the AUMA CDT software for Windows-based computers (notebooks or tablets)
and the AUMA Assistant App, actuator data can be uploaded and read, settings
can be modified and stored. The connection between computer and AUMA actuator
is established wireless via Bluetooth interface. With the AUMA Cloud, we provide
8
SAV 07.2 – SAV 16.2 / SARV 07.2 – SARV 16.2 Control unit: electronic (MWG)
Short description
ACV 01.2 HART