Dynacord DPA 8150, User Manual

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REMOTE CAN BUS
This section contains information about the connection of the DPA output stages to the
REMOTE CAN BUS and the correct setting of the CAN address.
Connection
The DPA output stage has two RJ-45 jacks for the REMOTE CAN BUS. The jacks are switched
in parallel, and act as an input and for looping the remote network. The CAN bus allows
different data rates to be used, where the data rate is indirectly proportional to the bus
length. If the network is only small, data rates of up to 500 kbit/s are possible. In larger
networks, the data rate must be decreased (down to the minimum data rate of 10 kbit/s).
Notice!
The data rate is preset to 10 kbit/s in the factory.
The following table explains the relationship between data rates and bus lengths/network
size. Bus lengths of over 1,000 m must be implemented only with CAN repeaters.
Data rate (in kbit/s) Bus length (in meters)
500 100
250 250
125 500
62.5 1000
20 2500
10 5000
Table 6.2: Data rate and bus length of the REMOTE CAN BUS
The following diagrams show the assignment of the CAN jack/CAN connector.
Figure 6.9: Assignment of the CAN jack
6.4
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19-Aug-13 | 03 | F01U217494 User manual