Siemens Simatic S7-400, Руководство по установке

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Networking
5-25
Automation System S7-400 Hardware and Installation
A5E00850741-01
Table 5-4 Features of the Fiber-Optic Cables, continued
Description SIMATIC NET PROFIBUS
Plastic Fiber-Optic
Duplex Conductor
Plastic Fiber-Optic
Standard Cable
PCF Fiber-Optic
Standard Cable
Cable grip - Kevlar fibers Kevlar fibers
Maximum permissible tensile
force
• Short-term
•
Continuous
≤
50 N
Not suitable for
continuous tensile
load
≤
100 N
Not suitable for
continuous tensile
load
≤
500 N
≤
100 N
(At cable grip only,
≤
50 N at connector or
single conductor)
Resistance to lateral pressure
per 10 cm cable length
(short-term)
≤
35 N/ 10 cm
≤
100 N/ 10 cm
≤
750 N/ 10 cm
Bend radius
•
Single bend
(without tensile force)
•
Multiple bends
(with tensile force)
≥
30 mm
≥
50 mm
(flat side only)
≥
100 mm
≥
150 mm
≥
75 mm
≥
75 mm
Permissible environmental
conditions
•
Transport/storage
temperature
• Laying temperature
•
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
Resistance against
•
Mineral oil ASTM no. 2,
grease or water
• UV radiation
Conditional
1
)
Not UV-resistant
Conditional
1
)
Conditional
1)
Conditional
1
)
Conditional
1
)
Flame retardance Flame retardant in accordance with the VW-1 flame test 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)
Please ask your Siemens contact about specific applications.