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Siemens Automation System S7-400 User Manual

Page 186

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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.)