Siemens Simatic S7-400

Assembling and Installing Systems
A-11
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Table A-1 Cabling Inside Buildings, continued
Connect Cables for ... and Cables for ... Run ...
DC voltage
(u60 V andv400 V),
unshielded
AC voltage
(u25 V andv400 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
(v60 V), unshielded
Process signals
(v25 V), shielded
AC voltage
(v25 V), unshielded
Monitors (coaxial cable)
in separate bundles or cable
ducts (no minimum clearance
necessary)
DC voltage
(u60 V andv400 V), unshielded
AC voltage
(u25 V andv400 V), unshielded
in common bundles or cable
ducts
DC and AC voltages
(u400 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
(u400 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
(v60 V), unshielded
Process signals
(v25 V), shielded
AC voltage
(v25 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
(u60 V andv400 V), unshielded
AC voltage
(u25 V andv400 V), unshielded
DC and AC voltages
(u400 V), unshielded
DC and AC voltages
(u400 V), unshielded
in common bundles or cable
ducts
www.PLCworld.cn
长沙工控帮教育科技有限公司整理
www.gkbpx.com