Siemens S7-400 installation manual Ethernet

Assembling and Installing Systems

Table A-2 Cabling Inside Buildings, continued

Connect Cables for ...	and Cables for ...	Run ...
DC voltage	LAN signals, shielded	in separate bundles or cable
(>60 V and≤400 V),	(SINEC L1, PROFIBUS DP)	ducts (no minimum clearance
unshielded	Data signals, shielded	necessary)
AC voltage	(programming devices, operator
(>25 V and≤400 V),	panels, printers, counter inputs,
unshielded	etc.)
	Analog signals, shielded
	DC voltage
	(≤ 60 V), unshielded
	Process signals
	(≤ 25 V), shielded
	AC voltage
	(≤ 25 V), unshielded
	Monitors (coaxial cable)
	DC voltage	in common bundles or cable
	(> 60 V and ≤400 V), unshielded	ducts
	AC voltage
	(>25 V and ≤400 V), unshielded
	DC and AC voltages	Inside cabinets:
	(>400 V), unshielded	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	LAN signals, shielded	Inside cabinets:
(>400 V), unshielded	(SINEC L1, PROFIBUS DP)	in separate bundles or cable
	Data signals, shielded	ducts (no minimum clearance
	(programming devices, operator	necessary)
	panels, printers, counter inputs,	Outside cabinets:
	etc.)	on separate cable racks with a
	Analog signals, shielded
		clearance of at least 10 cm
	DC voltage	(3.93 in.)
	(≤60 V), unshielded
	Process signals
	(≤25 V), shielded
	AC voltage
	(≤25 V), unshielded
	Monitors (coaxial cable)
	DC voltage
	(>60 V and ≤400 V), unshielded
	AC voltage
	(>25 V and ≤400 V), unshielded
DC and AC voltages	DC and AC voltages	in common bundles or cable
(>400 V), unshielded	(>400 V), unshielded	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.)

A-18	Automation System S7-400	Hardware and Installation
		A5E00850741-01