Passive Components for Electrical Networks
7-4
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
Table 7-1 Properties of Fiber-Optic Cables, continued
Meaning SIMATIC NET PROFIBUSMeaning
PCF Fiber Optic,
Standard Cable
Plastic Fiber Optic,
Standard Cable
Plastic Fiber Optic
Duplex Cord
Attenuation at
Wavelength
v 230 dB/km
660 nm
v 10 dB/km
660 nm
Strain relief – Kevlar fibers Kevlar fibers
Max. tensile strain
S brief
S permanent
v 50 N
not suitable for
permanent tensile
strain
v 100 N
not suitable for
permanent tensile
strain
v 500 N
v 100 N
(only on strain relief,
v50 N on connector or
cord)
Transverse compressive
strength per 10 cm length
(brief)
v 35 N/ 10 cm v 100 N/ 10 cm v 750 N/ 10 cm
Bending Radius
S single bend
(without tensile strain)
S multiple bending
(with tensile strain)
w 30 mm
w 50 mm
(only the flat surface)
w 100 mm
w 150 mm
w 75 mm
w 75 mm
Permitted ambient conditions
S Transport/
storage temperature
S Temperature for
installation
S Operating temperature
–30 _C to +70 _C
0 _C to +50 _C
–30 _C to +70 _C
–30 _C to +70 _C
0 _C to +50 _C
–30 _C to +70 _C
–30 _C to +70 _C
–5 _C to +50 _C
–20 _C to +70 _C
Resistant to
S Mineral oil ASTM no. 2,
greases or water
S UV radiation
conditionally
1
not UV resistant
conditionally
1
conditionally
1
conditionally
1
conditionally
1
Behavior in fire Flame-resistant acc. to flame test VW–1 to UL 1581
Outer dimensions 2.2 4.4 mm
" 0.01 mm
Diameter
7.8 " 0.3 mm
Diameter
4.7 " 0.3 mm
Weight 7.8 kg/km 65 kg/km 22 kg/km
1
For special applications, contact your Siemens representative.
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