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HIMax System
9 Lifecycle
HI 801 001 E Rev. 4.01
Page 99 of 122
Figure 21 shows the concept of earthing and shielding the 19'' control cabinet.
Cabinet Frame
Cage Nuts Used to Secure the Base
Plate
25 mm² Earthing Straps Used to Con-
nect the Pivoting Frame to the Cabinet
Frame
PE = Protective Earth
EB = Equipotential Bonding
Default Connection with HIMA Control
Cabinets
M 2500 Busbar
24 VDC Supply
Digital Signals, Terminals on Field Ter-
minal Assembly (FTA)
Analog Signals, Terminals on Field Ter-
minal Assemby (FTA)
Terminals
Pivoting or Fixed Frame
Base Plate
Figure 21:
Earthing and Shielding the 19" Control Cabinet
Mounting the HIMax on a Pivoting Frame
The components of the cabinet frame
are welded together and function as electrical
conductive construction element. Short earthing straps with cross-sections of 16 mm² or
25 mm² are used to conductively connect the pivoting frames, door, mounting rails and,
optionally, mounting plates to the cabinet frame.
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