Siemens SIMATIC NET PROFIBUS Instrukcje Operacyjne Strona 277

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Installing LAN Cables
C-15
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
Table C-1 Cabling Within Buildings
Cables for ... and cables for ... lay ...
Bus signals, shielded
(PROFIBUS, Industrial Ethernet)
Bus signals, unshielded
(AS-Interface)
Bus signals, shielded
(PROFIBUS, Industrial Ethernet)
Bus signals, unshielded
(AS-Interface)
Data signal, shielded
(PG, OP, printer, counter inputs
etc.)
Analog signals, shielded
DC voltage
(v 60 V), unshielded
Process signals
(v 25 V), shielded
AC voltage
(v 25 V), unshielded
Monitors (coaxial cable)
In common bundles or cable
channels
DC voltage
(u 60 V and v 400 V),
unshielded
AC voltage
(u 25 V and v 400 V),
unshielded
In separate bundles or cable
channels (no minimum clearance
required)
DC and AC voltage
(u 400 V), unshielded
Within closets:
In separate bundles or cable
channels (no minimum clearance
required)
Outside closets:
On separate cable paths with at
least 10 cm clearance
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