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2
Installation as function module F24
2.5
Connecting the fieldbus
2.5.1
Fieldbus cable
Note
Faulty installation and high transmission rates may cause data transmission errors as a
result of signal reflections and attenuations.
Transmission errors can be caused by:
– Missing or incorrect terminating resistor
– Incorrect screened connection
– Branches
– Transmission over long distances
– Inappropriate cables.
Observe the cable specifications! Refer to the manual for your control system for in
formation on the type of cable to be used.
Note
If the valve terminal is mounted into a moving part of a machine, the fieldbus cable on
the moving part must be provided with strain relief. Note the relevant regulations in
IEC/EN 60204-1.
Exact details on the bus length is found in section 2.5.2 and in the manuals for your con
trol system.
Festo – P.BE-CPX-FB23-24-EN – 1411b – English
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