Siemens Automation System S7-400 User Manual
Page 186
Assembling and Installing Systems
A-18
Automation System S7-400 Hardware and Installation
A5E00850741-01
Table A-2 Cabling Inside Buildings, continued
Run ...
and Cables for ...
Connect Cables for ...
DC voltage
(>60 V and≤400 V),
unshielded
AC voltage
(>25 V and≤400 V),
unshielded
LAN signals, shielded
(SINEC L1, PROFIBUS DP)
Data signals, shielded
(programming devices, operator
panels, printers, counter inputs,
etc.)
Analog signals, shielded
DC voltage
(≤ 60 V), unshielded
Process signals
(≤ 25 V), shielded
AC voltage
(≤ 25 V), unshielded
Monitors (coaxial cable)
in separate bundles or cable
ducts (no minimum clearance
necessary)
DC voltage
(> 60 V and ≤400 V), unshielded
AC voltage
(>25 V and ≤400 V), unshielded
in common bundles or cable
ducts
DC and AC voltages
(>400 V), unshielded
Inside cabinets:
in separate bundles or cable
ducts (no minimum clearance
necessary)
Outside cabinets:
on separate cable racks with a
clearance of at least 10 cm
(3.93 in.)
DC and AC voltages
(>400 V), unshielded
LAN signals, shielded
(SINEC L1, PROFIBUS DP)
Data signals, shielded
(programming devices, operator
panels, printers, counter inputs,
etc.)
Analog signals, shielded
DC voltage
(≤60 V), unshielded
Process signals
(≤25 V), shielded
AC voltage
(≤25 V), unshielded
Monitors (coaxial cable)
Inside cabinets:
in separate bundles or cable
ducts (no minimum clearance
necessary)
Outside cabinets:
on separate cable racks with a
clearance of at least 10 cm
(3.93 in.)
DC voltage
(>60 V and ≤400 V), unshielded
AC voltage
(>25 V and ≤400 V), unshielded
DC and AC voltages
(>400 V), unshielded
DC and AC voltages
(>400 V), unshielded
in common bundles or cable
ducts
ETHERNET
ETHERNET
in common bundles or cable
ducts
Others
in separate bundles or cable
ducts with a clearance of at least
50 cm (19.65 in.)