A&D HW-G Series, Instruction Manual

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HW-G Instruction Manual Page 48
HW-G OZIM v1a
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-KO557A RS-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