Networking
5-27
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
5.8.1 Fiber-optic cables
Features of the fiber-optic cables
Use Siemens plastic and PCF fiber-optic cables with the following features:
Table 5-4 Features of the fiber-optic cables
Description
SIMATIC NET PROFIBUS
Plastic fiber-optic
duplex conductor
Plastic fiber-optic
standard cable
PCF fiber-optic
standard cable
Standard designation I–VY2P 980/1000
150A
I–VY4Y2P 980/1000
60A
I–VY2K 200/230
10A17+8B20
Area of application Indoors with a low
mechanical load,
such as laboratory
test assemblies or in
cabinets:
Cable lengths up to
50 m
Indoors:
Cable lengths up to
50 m
Indoors:
Cable lengths up to
300 m
Fiber type Step-index fiber
Core diameter 980 µm 200 µm
Core material Polymethyl methacrylate (PMMA) Quartz glass
Cladding outer diameter 1000 µm 230 µm
Cladding material Fluorinated special polymer
Inner sheath
Material
Color
Diameter
PVC
Gray
2.2 " 0.01 mm
PA
Black and orange
2.2 " 0.01 mm
–
(Without inner sheath)
Outer sheath
Material
Color
– PVC
Purple
PVC
Purple
Number of fibers 2
Attenuation at
wavelength
v 230 dB/km
660 nm
v 10 dB/km
660 nm
Cable grip – Kevlar fibers Kevlar fibers
Maximum permissible tensile
force
Short-term
Continuous
v 50 N
Not suitable for con-
tinuous tensile load
v 100 N
Not suitable for contin-
uous tensile load
v 500 N
v 100 N
(At cable grip only,
v 50 N at connector or
single conductor)
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