what is the difference between RS 232,RS 485,RS 422, how
they different from each other
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Answer Posted / amit
RS232
1. single ended unbalanced line transmission
2. prone to noise
3. difference in ground level between T and R leads noise
4. Distance 50 Feet
5. Speed : 20 KBPS
6. Full duplex
RS422
1. differential ended balanced line transmission
2. no noise problem
3. Distance 100-4000 Feet
4. Speed : 100 KBPS to 10 MBPS depend upon distance
5. Full duplex/half duplex depend upon design
6. Point to point/ multidrop
7. Single transmitter and Receiver up to 10
RS422
1. differential ended balanced line transmission
2. no noise problem
3. Distance 100-4000 Feet
4. Speed : 100 KBPS to 10 MBPS depend upon distance
5. Full duplex/half duplex depend upon design
6. 32(max) transmitter and Receiver up to 1032
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