D+
Rt
MASTER
SLAVE-1
SLAVE-2
SLAVE-N
Rt
D-
RS-232
Ş
RS-485
Convertor
PC(Personal Computer)
RS-232
Connection
Cable
32 terminal can be connected in RS-485 line
Rt resistor = 120
W
For communication connection Twisted Pair
cable must be used
Cable lenght can be maximum 1000 meters
in 9600 baud rate.
When baud rate increases, cable lenght must
be decreased.
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D -
D +
D-
D+
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D +
D -
D-
D+
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D +
D -
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D+
5. Connection for RS-485 Serial Communication
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