Siemens S7-400 installation manual A-18

Assembling and Installing Systems
A-18 AutomationSystem S7-400 Hardwareand Installation
A5E00850741-01
TableA-2 Cabling Inside Buildings, continued
Run ...and Cables for ...ConnectCables 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 atleast 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 atleast 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.)