19
9 8 7 6
(V
a)
(V
s)
SG
TX
D
R
X
D
(C
TS
)
(R
TS
)
(D
S
R
)
5 4 3 2 1
AD-8923-CC
interior
Inch screw
(#4-40UNC)
To the weighing instrument
5. RS-232C CONNECTOR
5.1. RS-232C serial interface specifications
RS-232C
Transmission system : EIA RS-232C
Transmission form : Asynchronous, bi-directional, half duplex
Data format
: Baud rate : 600, 1200, 2400, 4800, 9600, 19200 bps
Data bits : 7 or 8 bits
Parity
: EVEN, ODD (Data bits 7 bits)
NONE
(Data bits 8 bits)
Stop bits : 1 bit or 2 bits
Code
: ASCII
Terminator : <CR> or <CR><LF>
Circuit
Connection to the weighing instrument
D-Sub 9-pin male
Pin
No.
Signal
name
Direction
Description
1
(Vs)
−
Used internally
2
RXD
Input
Receive data
3
TXD
Output
Transmit data
4
−
−
N.C.
5
SG
−
Signal ground
6
(DSR)
Input
Used internally
7
(RTS)
Output
Used internally
8
(CTS)
Input
Used internally
9
(Va)
−
Used internally
(The AD-8923-CC is a DTE device.
Connect to a DCE device such as the
weighing instruments using a straight
through cable.)
Note
When the user prepares a cable, do not connect to the pins that are used internally.
Summary of Contents for AD-8923-CC
Page 1: ...1WMPD4002124D...
Page 32: ...32 MEMO...
Page 33: ...33 MEMO...
Page 34: ...34 MEMO...
