07/04 AWB2700-1428GB
Design
19
The modules are integrated in turn into the PLC configuration:
Assign the memory range beginning with start address CE000 to
the first module (CANopen or PROFIBUS-DP) to be configured. The
input/output devices assigned to this module are connected to the
module bus system via address CE000. Assign the range starting
with address CC000 to the second module and D4000 to the third.
Bus termination resistors
120
O
bus termination resistors must be provided at the ends of
the networks. Normal commercial connectors are available that
make it possible to switch the bus termination resistor in or out of
circuit with a slide switch on the connector itself, e.g. the
SUBCON-PLUS-CAN connector from Phoenix Contact, Article-No.
2744694.
Only use CANopen-approved cable, with the following features:
• Characteristic impedance 108 to 132
O
• Capacitance < 50 pF/m
Figure 27 : Example of configuration with three modules and the
assigned addresses
Figure 28 : CANopen cable
Baud rate
F Length
Core cross-section
Loop
resistance
[kbit/s]
[m]
[mm
2
]
[O/km]
20
1000
0.75 to 0.80
16
125
500
0.50 to 0.60
40
250
250
0.50 to 0.60
40
500
100
0.34 to 0.60
60
1000
40
0.25 to 0.34
70
CAN_H
CAN_GND
CAN_L
CAN_H
CAN_GND
CAN_L
120
O
120
O
Summary of Contents for XControl XC600
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