Maximum Cable Length - Beckhoff BK5200 Technical Documentation Manual

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BK5200

Maximum cable length

The maximum length of cable which can be used depends on the selected
Baud rate. The following lengths should be understood as the total length
of the main line plus any branch lines.
125kBaud 500m
250kBaud 250m
500kBaud 100m
100
Length of
80
Thin Cable
Used
60
(meters)
40
20
500k
baud
0
0 50 100 150 200 250 300 350 400 450 500
L + 5 x L
thick
L + 2.5 x L
thick
L + L
thick
where L
is the length of thin cable.
Jacket
Braid Shi eld
Data Insul ation
Color: White
A L/M Y
Shi eld
Data Insul ation
Color: B lue
The cable consists of two shielded wire pairs. One pair carries out the
transmission. The second pair distributes the supply power.
V+
CAN_H
SHIELD
CAN_L
V-
Connector wiring information
BK52x0 DeviceNet
125k baud
250k baud
Length of Thick Cable Used (meters)
= 500
thin
= 250
thin
= 100
thin
is the length of thick cable and Lthin
thick
DC Pow er I nsulati on
Color: Black
A L /M Y
Shi eld
Drain Wi re
DC Pow er I nsulati on
Color: Red
Red P.M.S. #207C
White EIA 395A within wire/cable limits
Blue P.M.S. #297C
Black P.M.S. #426C
20
at 125Kbaud
at 250Kbaud
at 500Kbaud
BK5200