Installing/mounting
4.6 External position detection
SIPART PS2 with and without HART
48 Operating Instructions, 10/2013, A5E00074631-11
External position detection
External position detection system
Versions with flameproof enclosures may not be operated with an external position
detection system.
The aforementioned measures are not adequate in some applications. For example,
continuous and strong vibrations, high or too low ambient temperatures and nuclear
radiation.
The position detection system and the control unit are mounted separately for these
applications. A universal component is available for this purpose. It is suitable for part-turn
and linear actuators. You will require the following:
● An external position detection system with the order number C73451-A430-D78
comprising a positioner enclosure with an integrated friction clutch, potentiometer as well
as different blanking plugs and seals.
● Or a contactless explosion-proof non contacting system (e.g.6DR4004-6N).
● A positioner
● A three-pole cable to connect components.
● An EMC filter module with the order number C73451-A430–D23 is provided in a set along
with cable clamps and M20 cable glands.
The EMC filter module is always used for the control unit whenever an external position
detection system is used instead of the internal position sensor. An external position
detection system is, for example, a potentiometer with a 10 kΩ resistance or a non
contacting system.
Installing option modules
4.7.1
General information on installing option modules
Unsuitable device for the hazardous area
Danger of explosion.
• Only use equipment that is approved for use in the intended hazardous area and
labelled accordingly.
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