8
Data corruption and loss
A minimum distance between the cabling and possible sources of interfe-
rence (e�g�, machines, welding equipment, power lines) is defined in the ap-
plicable regulations and standards� During system planning and installation,
these regulations and standards must be taken into account and observed�
Protect the bus cables from sources of electric/magnetic interference and
mechanical strain�
Observe the following guidelines regarding "electromagnetic compatibility"
(EMC) to keep mechanical risks and interference to a minimum�
6.1 Sources of interference
Signal cables and power supply lines should not be installed in parallel�
► If necessary, metal isolating segments should be placed between the power
supply lines and signal cables�
► During installation, all connector locking mechanisms (screws, coupling nuts)
must be firmly tightened in order to ensure the best possible contact between
shielding and ground� Before initial start-up, the ground or shielding connection
of cables must be checked for low-resistance continuity�
6.2 Cable routing in control cabinets.
► Install network/bus cables in separate cable ducts or separate cable bundles�
► Where possible, do not install network/bus cables parallel to power supply
lines�
► Install network/bus cables at least 10 cm away from power lines�
6.3 Installation instructions
Electrostatic discharge
The device contains components that can be damaged or destroyed by
electrostatic discharge�
► When handling the device, observe the necessary safety precautions against
electrostatic discharge (ESD) according to EN 61340-5-1 and IEC 61340-5-1�
► In order to eliminate electrostatic charges, the device many only be operated in
a grounded DIN rail�
7 Electrical connection
The national and international regulations for the installation of electrical
equipment must be adhered to� Avoid contact with dangerous contact voltages�
► Disconnect power
► Connect device, connection via COMBICON connectors (pre-mounted).