Signal Description, Rs 232 And Rs 485 - ABB IRB 6400R Product On-Line Manual

3.2 Signal description, RS 232 and RS 422
RS 232
Signal
TXD
RXD
DSR
DTR
CTS
RTS
Start bit ("0")
10 V
0 V
Figure 2 Signal description for RS 232.
The transmission pattern can be single or bursts of 10 bit words, with one start bit "0",
eight data bits (MSB first) and lastly one stop bit "1".
Product Manual
Explanation
Transmit Data
Receive Data
Data Set Ready
Data Terminal Ready
Clear To Send
Request To Send
Stop bit ("1")
Byte 1 Byte 2
Troubleshooting Tools
f=9600/19200 baud
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