Rs-232c interface, Specification – A&D Weighing Indicator AD-4329 User Manual
Page 47
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
12. RS-232C Interface
12.1.1. Specification
Transmission
Asynchronous, bi-directional, half-i
Baud rate
600, 1200, 2400, 4800, 9600 bps
Data bits
/bits
Parity bits
1 bit, Even
Start bit
1 bit
Stop bit
1 bit
Code
ASCII
Terminator
CR LF (CR:0Dh, LF: OAh)
Connector
D-sub 25 pin connector
Circuit and Pin Connection
Pin No.
Signal name
Direction
Description
1
Case
Shield
2
RXD
Input
Received data
3
TXD
Output
Transmit data
4
RST
-
Pin 4 is connected to pin 5
5
CTS
6
DSR
Output
Data set ready
7
SG
-
Signal ground
Other
Not used
Case
Shield
RS-232C
Bit Format
LSB
0
1 2 3 4
5
MSB
6
\________________ /
Start bit
L
T.. r - 1 -5V--15V
■ ... 0 +5V--+15V
Stop bit
Parity bit
12. RS-232C interface.
Page 44
AD-4329 Weighing Indicator