7 communication, Communication, Electrical installation – Lenze ELCAFHIxxx4D34NNPM Highline Benutzerhandbuch
Seite 77
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Electrical installation
Communication
l
77
EDKLCFH3024−XPM DE/EN 6.0
4.7
Communication
(
Stop!
High compensation currents
High compensating currents can flow via the PROFIBUS cable shield.
Possible consequences:
Property damage or operational malfunction
Protective measures:
Avoid compensation currents via the PROFIBUS cable shield:
ƒ
Connect all PROFIBUS stations with a 16 mm
2
cable via the PE bolts.
ƒ
Lay this cable in parallel to the bus cable.
ƒ
Use copper braid cable to establish a conductive connection between the PE
bolts and the mounting surface.
lcu94FU_001g
PE
Earthing bolt for compliance with EMC conditions, prevents the flow of compensation
currents via the shield of the PROFIBUS cable
0
16 mm
2
equalizing conductor
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