Specifications

1 Serial communication interface
.1 Physical interface
Arrangement of connector signals
RS-232C RS-422A
Terminal # Signal I/O Signal I/O
1 NC NC
2 TxD O TxD return
O
3 RxD I RxD I
4 NC NC
5 S.GROUND NC
6 NC S.GROUND
7 NC TxD O
8 NC RxD return I
9 NC NC
.2 Transfer format of serial data
- Interface As per RS-232C or RS-422A
- Communication system Half-duplex communication
- Data transfer mode Start stop synchronization
- Transfer rate 9,600bps
- Start bit ( ST ) 1 bit
- Data bit ( b0-b7 ) 8 bits
- Parity ( P ) Even number
- Stop bit ( SP ) 1 bit
- Transfer data ASCII code
- Control characters STX 02h
ETX 03h
ETB 17h
NAK 15h
ACK 06h
11 •^ 9600 •i sec •j
ST SPb0 b1 b2 b3 b4 b5 b6 b7 P