1. System Installation Requirements
1-26
TI 32P01J10-01EN
1.6
Cabling Requirements
The following requirements must be fulfilled to prevent an equipment malfunction when
laying power and signal cables (these are shielded cables unless specified).
Signal cables used for high-voltage, high-frequency signals (inductive load ON/OFF) must
be separated from other signal cables.
Separator
To prevent an equipment malfunction, provide a separator between power and signal cables as
illustrated below:
Signal
cables
Power
cables
Separator (steel plate)
Protective grounding system
separate from ProSafe-RS system grounding
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Figure Separator Used in Duct/Pit
Distance between Cables
If a separator cannot be used, keep a distance between signal cables and power cables.
The distances between cables due to operating voltages and currents are shown below.
Table Required Distance between Power & Shielded Signal Cables
Operating
voltage Operating
current Distance
240 V AC max
10 A max
150 mm min
10 A min
600 mm min
240 V AC min
10 A max
600 mm min
10 A min
Cannot be laid together
Power cables
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150 mm
or more
Signal cables
Signal cables
Power cables
150 mm
or more
Figure Distance between Cables under Pit/Free-access Floor
Nov. 27, 2015-00