what is the difference between RS 232,RS 485,RS 422, how
they different from each other




Answer Posted / shahul

RS232
It is limited Distance and the speed is Maximum up to
19.2KBPS for 50 Feet.
only single ended.Only 1 transmitter/1 receiver
Supports only Full Duplex.
Signal level is unbalanced.
Higher output current 500mA
RS485
Multi drop topology and supports both half duplex and full
duplex.Maximum 32 Transmitters and 32 receivers.
Max.Distance up to 4000 feet with 100KPBS
Signal Level is Balanced.
Less output current.

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