Manual

Installation
16
EIO0000000046 04/2013
Cable Routing
Make sure that the following basic wiring rules are followed:
 Keep the data wire and the power cables apart from one another, in so far as is
possible.
 Make sure there is a space of at least 10 cm (3.94 in) between the data wires and
the power cables.
 The data wires and power cables must only cross at a right angle to one another.
 It is advisable to route the data wires and power cables through separate shielded
ducts.
 When laying the cables, the noise voltage from other devices or wires must be
considered. This particularly applies to frequency converters, motors and other
devices or cables generating high frequency disturbances. High frequency
sources and the cables described in this manual must be as far apart from each
other as possible.
 The power supply must come from a Protected Extra Low voltage (PELV) power
unit.
 The 0V of the PELV power unit must be connected to the earth.
WARNING
UNINTENDED EQUIPMENT OPERATION
 The cabling routing rules listed above must be followed.
 Cable routing is important for proper Electromagnetic Compatibility (EMC).
Failure to follow these instructions can result in death, serious injury, or
equipment damage.