The capacity planning are planned and documented with the help of the table. The
work sheet is available as a Microsoft Excel document "Load_Systembus.xls" on the
VECTRON product CD or by request.
In the table, the set baud rate is entered from the parameter
kBaud. For each frequency inverter, the set time for the transmission interval (e. g.
TxPDO1 Time
column Load the bus load caused by the individual TxPDO appears, under Total
Load the entire bus load.
For the bus load (Total load) the following limits have been defined:
03/12
Load system bus
Baud rate [kBaud]:
50, 100, 125, 250, 500, 1000
Frequency
TxPDO
inverter
Number
1
1
2
3
2
1
2
3
3
1
2
3
4
1
2
3
5
1
2
3
6
1
2
3
7
1
2
3
8
1
2
3
9
1
2
3
10
1
2
3
Total workload [%]
931) in ms is entered for the TxPDO being used at the time. In the
≤
80 %
OKAY
80 ... 90
CRITICAL
%
> 90 %
NOT POSSIBLE
EM-ABS-01 for ACU
1000
Ta
Workload
[ms]
[%]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
1
14
1
14
1
14
1
14
0
0
0
0
0
0
0
0
70
903in
Baud Rate
83
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