Siemens SIROTEC Planning Manual page 23

Equipotential bonding by means of equipotential bonding lines
Component 1
Component 2
Component 3
(Power component)
Component 4
(SIMODRIVE)
Equipotential bond. strip
Central earthing bar
Fig. 4-2
Arrangement:
The distance between the signal lines (forward and return conductor) or between
signal lines and the appropriate equipotential bonding lines must be as short as
possible (bundle the lines!). The interference surface between the lines must be
kept as small as possible.
Cross-section:
Cross-section of the equipotential bonding lines ≥ 10mm
© Siemens AG, 2004. All rights reserved
EMC Installation Guideline – Planning Guide (EMV) – 03.2004 Edition
P
P
1)
P
Cubicle
Central earthing connector
Equipotential bonding by means of equipotential bonding lines
Component 5
Component 6
P
Equipotential bond. strip
Operator panel
P
1)
To motor housing
P = Equipotential bonding conductor
PE = Protective earth
1) = PE in motor cable, also used as
equipotential bonding conductor
2
Cu.
Equipotential Bonding
P
4-23