Rockwell Automation System Design for the Control of Electrical Noise - Manual (Page 28)

Publication GMC-RM001A-EN-P — July 2001
2-10 High Frequency (HF) Bonding
Mezzanine Floor
A mezzanine floor makes a very effective ground plane if the floor
panels are aluminum or galvanized steel and bonded at their edges
every 1 m (39 in.) minimum. Machine structure, floor, and both panels
form one large ground plane.
Figure 2.8
Panel ground plane extended to a mezzanine floor
Mezzanine floor ground plane
Cabinet ground plane
(panel) bonded
to Mezzanine
floor ground plane
Machine structure used as ground plane
Machine structure
bonded to floor
Machine structure
bonded to floor