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FMU Technical Manual
3.2 FP-PROFIBUS DP Communication Specifications
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3.2 FP-PROFIBUS DP Communication Specifications
The following table lists limits for communication when using the FP-PROFIBUS DP FMU.
Item
Limit
No. DP slaves
127 ( address range 0-126)
Address 127 = broadcast address
Address 126 = slave with changeable default address
Address 0 = Master class 2 default address
No. of process data per slave
244 input and 244 output bytes
Max. number of process data
3584 bytes input, 3584 bytes output
Max. number of diagnostic bytes per slave
100
Max. number of configuration data bytes per
slave
244
Max. number of parameter data bytes per slave
244
Max. number of modules per modular slave
244
Baud rates supported
9.6kBaud, 19.2kBaud, 31.25kBaud, 45.45kBaud,
93.75kBaud, 187.5kBaud, 500kBaud, 1.5MBaud,
3MBaud, 6MBaud, 12MBaud
Min. DP scan cycle time
350
μ
s
Содержание FMU
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