
AFO485 and RFO485 USER MANUAL ref 9011509-01
Page 29
Step 2 : Moreover,
independent of the quality of the fibre optic,
the
range must not exceed the values in the tables below in relation to:
•
the data rate of the CAN network
•
the timing of “CAN” bit sampling by the PLC.
The 3
rd
column of the table, titled CIA 87%, corresponds to the
recommended “CAN IN AUTOMATION” normally applied by CAN
interfaces belonging to PLC’s.
The values indicated in this column are the ranges which are
obtained by a PLC using the CIA standard.
1 /2 Tb
2/3 Tb
CIA (87%)
10 kb/s
5,9 Km
6,5 km
8,6 km
20 kb/s
2,4 km
3,2 km
4,3 km
50 kb/s
0,9 km
1,2 km
1,6 km
100 kb/s
0,4 km
0,55 km
0,8 km
125 kb/s
0,3 km
0,42 km
0,6 km
250 kb/s
0,1 km
0,16 km
0,23 km
500 kb/s
0
60 m
150 m
Содержание AFO485
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