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Central Processing Unit
5–26
The maximum permissible cable length depends on the cable type used, the
transmission rate and installed repeaters:
Baud rate [Baud]
up to 93.75
187.5
500
1500
3000
6000
12000
D The above length information presupposes the use of cable type A (as
per EN50170-2) with appropriate bus terminating resistors.
D Up to a speed of 1.5 Mbaud, a spur line length of 6.6 m is permissible (to-
tal of all spur lines in a given segment).
D For speed between 3 Mbaud and 12 Mbaud, a spur line length of 1.6 m is
permissible (total of all spur lines in a given segment). Direct-axis induc-
tances as per EN50170-2 are required in all cabling.
Length in m
12000
1000
400
200
100
100
100
1070 072 145-102 (01.07) GB
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