beautypg.com

Siemens SIMATIC NET PROFIBUS User Manual

Page 200

background image

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.