The connecting cables for the
− sensor,
− analog outputs,
− the RESET contacts and the
− relay contacts
must be shielded.
6.2 Connecting Cable shields (*
1
)
♦ The connections for the cable shields must have as large an area as
possible.
♦ Use a grounding rail for connecting the shields (e.g. type 210-133 / Fa.
Wago) with suitable shield clamping saddles (e.g. type 790-108 / Fa.
Wago up to 8 mm cable diameter).
♦ Expose and shape the cable shield in the form of a ring at the height of
the grounding rail only to the width of the grounding rail, so that the
cable remains shielded right up to close to the VIBROCONTROL 920.
The cable shield must be exposed only over the grounding rail.
♦ Connect the grounding rail with short cable having a cross-sectional
area of min. 10 mm
2
to an interference-free ground.
6.3 Shield earth (*
2
)
♦ Prerequisite for a fault-free interference discharge is a low-resistance
and interference-free ground connection.
Important!
Observe our „General grounding recommendations„ before cabling the
system.
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