1. System installation requirements
1-17
TI 30A30A10-01EN
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Intersecting cables
With unshielded power cables, place a grounded steel plate with a thickness of at least 1.6 mm
over the cables where they intersect with signal cables.
Signal cables
Steel plate (1.6 mm or thicker, grounded)
Unshielded power cables
Protective grounding system
F010503.ai
Figure Intersecting cables under pit/free-access floor
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Ambient temperature
The ambient temperature where signal and bus cables are laid must be within the range
–40 to 55 °C.
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Measures against EMI
As a rule, avoid laying the cables on the floor. However, lay them on the floor when there are no
ducts and no pits. In that case, it is required to take measures such as covering them with shield
plates or using the shielded cables to suit the EMC Directive.
Feb. 26, 2018-00