A&D MC-10K, MC-30K manual Standard Input And Output Interface, RS-232C and External Contact Input

Models: MC-10K MC-30K

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12. Standard Input And Output Interface

12-1. RS-232C and External Contact Input

D-Sub 25 pin numbers

M2.6

ISO metric screw thread

D-Sub 25 pin assignments

Pin No.

Signal name

Interface type

Direction

Description

1

FG

 

-

Frame ground

2

RXD

RS-232C

Input

Receive data

3

TXD

RS-232C

Output

Transmit data

4

RTS

RS-232C

Input

Ready to send

5

CTS

RS-232C

Output

Clear to send

6

DSR

RS-232C

Output

Data set ready

7

SG

RS-232C / external contact

-

Signal ground

input

 

 

 

 

18

PRINT

External contact input

Input

Same as the PRINT key

19

RE-ZERO

External contact input

Input

Same as the RE-ZERO key

Others

-

-

-

No connection

RS-232C

The balance is a DCE device. Connect the balance to a personal computer (DTE) using a

straight through cable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transmission system

: EIA RS-232C

 

 

 

 

 

 

 

 

Transmission form

: Asynchronous, bi-directional, half duplex

Transmission rate

: 10 times/second or 5 times/second (same as data refresh rate)

Data format

: Baud rate

: 600, 1200, 2400, 4800, 9600, 19200bps

 

Data bits

: 7 or 8 bits

 

 

 

 

 

 

 

 

 

Parity

: Even, Odd

(Data bits 7 bits)

 

 

 

 

 

 

 

None

(Data bits 8 bits)

 

Stop bit

: 1 bit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(When sending, 2 bits; receiving, 1 bit.

 

 

 

 

 

 

 

A personal computer will function with either setting.)

 

Code

: ASCII

 

 

 

 

 

 

 

RS-232C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-5V to -15V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V to +15V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data bits

 

 

 

 

 

 

 

Stop bit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Start bit

 

 

 

 

 

Parity bit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42

 

 

 

 

 

 

 

 

 

 

 

 

Page 44
Image 44
A&D MC-10K, MC-30K manual Standard Input And Output Interface, RS-232C and External Contact Input, Sub 25 pin numbers