Ver.3.09
Data : Mar.24.2008 5 page of 50
Copyright 2008
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
SP
b0
b1
b2
b3
b4
b5
b6
b7
P
11 / 9600 ( sec )
