Ad Weighing Indicator AD-4329 Manual de usuario Pagina 47

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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.
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AD-4329 Weighing Indicator
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