Siemens SIMATIC NET PROFIBUS, Руководство пользователя

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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 PROFIBUS Meaning
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,
v
50 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.