User Manual for BFS-i06
www.levitronix.com
PL-3502-00, Rev04, DCO# 24-054
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Figure 13: Multi-fan system array on RS485 fieldbus
120
W
Branch bus lines: sum of all branch lengths < 33 m
510
W
120
W
3.3..5 V
510
W
Termination:
Recommended for main bus line > 5 m
Initialization network:
Always recommended, to be implemented at master
Master
Main bus line: < 100 m. Shielded twisted wires recommended
System 1
System 2, 3
System 4, 5, 6
System n
RS485+
RS485-
Ground
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