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Ver.3.09
1 Serial communication interface
1.1
Physical interface
Arrangement of connector signals
RS-232C
Terminal # Signal I /O
1 GND -
2 TxD O
3 RxD I
4 NC -
5 S.GROUND -
6 NC -
7 NC -
8 NC -
9 NC -
1.2
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 / None Parity
(default:Even number)
- Stop bit ( SP ) : 1 bit
- Transfer data : ASCII code
- Control characters : STX (02h)
ETX (03h)
ETB (17h)
NAK (15h)
ST SPb0 b1 b2 b3 b4 b5 b6 b7 P
11 / 9600 ( sec )