Siemens SIMATIC NET PROFIBUS - Manual (Page 102)

Passive Components for RS-485 Networks
4-4
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
UV resistance no no yes yes yes
UL listed yes no no yes no
1) Electrical characteristics at 20
°
C, tested in compliance with DIN 47250 Part 4 or DIN VDE 0472
2) Cables capable of trailing for the following requirements:
- min. 4 million bending cycles at the specified bending radius and max. acceleration of 4 m/s 2
3) Outer diameter > 8 mm; bus connectors can only be attached after removing the outer sheath
4) Not suitable for fitting in a bus connector with insulation displacement system (6ES7 972-0BA30-0XA0)
5) At 800 Hz
6) Unrestricted segment lengths
7) Transmission rate 31.25 Kbps
8) Cable suitable for applications involving torsion: min. 5 million torsion movements on 1 m
cable length (+/-180 o )