Mounting and cabling
EL6752
21
Version: 2.1
4.5.4
Star Hub (Multiport Tap)
Shorter drop line lengths must be maintained when passive distributors ("multiport taps"), such as the
Beckhoff ZS5052-4500 Distributor Box. The following table indicates the maximum drop line lengths and the
maximum length of the trunk line (without the drop lines):
Guide values
The following values are recommended by BECKHOFF.
Baud rate
Drop line length with multiport topology
Trunk line length (without drop lines)
500 kbit/s
< 1.2 m
< 66 m
250 kbit/s
< 2.4 m
< 120 m
125 kbit/s
< 4.8 m
< 310 m
