Rs-232c serial interface / external input – Rice Lake GF Series, A&D Weighing User Manual

Page 59

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57

16.

RS-232C SERIAL INTERFACE / EXTERNAL INPUT

Transmission system

: EIA RS-232C

Transmission form

: Asynchronous, bi-directional, half duplex

Data format

: Baud rate

: 600, 1200, 2400, 4800, 9600 bps

Data bits

: 7 or 8 bits

Parity

: Even, Odd (Data bits 7 bits)

None

(Data bits 8 bits)

Stop bit

: 1 bit

Code

:

ASCII

Pin connections

Pin No.

Signal name Direction Description

1 FG

-

Frame

ground

2 RXD

Input

Receive

data

3 TXD

Output

Transmit

data

4

RTS

Input

Ready to send

5

CTS

Output

Clear to send

6

DSR

Output

Data set ready

7 SG

-

Signal

ground

18

PRINT

Input

Same as the PRINT key

19

RE-ZERO

Input

Same as the RE-ZERO key

8 – 25 (Excluding 18 and

19)

- -

Not

connected

Circuits

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