DeviceNet
9 Technical data
9-3
L BA2175 EN 2.0
9.5.1 Communication times
Note!
The CAN bus communication times depend on the following:
• Processing time in the controller
• Baud rate
• Data priority
• Bus load
More information about bus access control can be obtained from corresponding literature
specialised on Controller Area Networks.
9.5.1.1 Processing times in the controller
Processing times for 820X controllers
Theprocessingtimes for8200 controllersdiffer from thetimesfor the821X/822X/8200 vectorseries.
In opposite to the 821X/822X/824X series, which have parallel process data processing, the 8200
series process process and parameter data sequentially. Therefore the time needed to respond
process data depends on previous actions.
The processing time needed for telegrams also depends on the actual value conditioning (process
data from controller). If these data (status word, actual frequency) are not required, they can be
deactivated with the control word ”Bit 15” (PE inhibit).
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