A&D HV-G Series Building Set User Manual


 
HV-G Instruction Manual Page 48
16 RS-232C Serial Data Interface
RS-232C interface has the following two modes.
Stream mode Outputs data countinuously and can be used for printing data.
Command mode Controls the scale using commands from a computer.
It is necessary to set the parameters of the Baud rate ( f4 ),
Output mode ( f5 ), Format ( f15 ) in the function table in advance.
There are option cables as follows:
AX-KO557ARS-232C cable, D-sub 25 pin, 2m
AX-KO1786-200 RS-232C cable, D-sub 9 pin, 2m
Transmission system EIA RS-232C
Transmission Asynchronous, bi-directional, half-duplex
Data format Baud rate:2400, 4800, 9600 bps
Data: 7 bits
Parity: 1 bit, Even
Start bit 1 bit
Stop bit 1 bit
Code ASCII
Terminator CR LF (CR: 0D[H], LF: 0A[H])
Pin Connections
Pin No. Signal name Direction Description
1-
2 RXD Input Receive data
3 TXD Output Transmit data
4-
5 SG - Signal ground
6-
7 DSR Output Data set ready
Circuit