Siemens SIMATIC NET PROFIBUS Owner's Manual page 277

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