Ver.3.09

 

Data : Mar.24.2008

5 page of 50

1Serial communication interface

1.1Physical 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

-

1.2Transfer 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

b0

b1

b2

b3

 

b4

b5

b6

b7

P

SP

11 / 9600 ( sec )

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