ARCA 824 series, Руководство по эксплуатации

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11 Electrical connection ARCA Regler GmbH
32 / 46 Series 824 09.2018 / 1.0
11 Electrical connection
The electrical work is to be carried out under careful observation of the
safety instructions in the chapter
[2] Safety .
Refer to the chapter [16] Technical Data for the individual electrical op-
tions!
▪ Undo the screws (52) and remove the cover (51).
▪ Feed the cable through the cable gland.
▪ Connect in accordance with the terminal diagram or the details inside
the cover (51).
– NOTICE! Make sure the polarity is correct.
▪ Activate the strain relief by tightening the cable glands (47).
▪ The max. permissible connection data for the individual electrical
components are shown on the nameplate and must be observed!
11.1 I/P transducer
Illustration 17: IP transducer
11.2 Limit value transmitter
The limit value transmitter is equipped with two inductive proximity
switches (slot-type proximity switches), which are actuated by the infin-
itely adjustable vanes. The proximity switches can be supplied in three
different basic versions.
11.2.1 Normal version (2-wire, N)
The proximity switches according to EN 60947-5-6 (NAMUR) are 2-wire
inductive sensors whose signals only need to be amplified by down-
stream switching amplifiers (provided by the customer). Normally closed
(N) types are generally used.
Illustration 18: Limit value transmitter 2-wire N+SN
11.2.2 Safe design (2-wire, SN)
These proximity switches correspond to the normal version, but with an
additional function: