Standard Input & Output Interface; Rs-232C And External Contact Input - A&D GF-30K Instruction Manual

16. Standard Input & Output Interface

16-1. RS-232C And External Contact Input

D-Sub 25 pin numbers
ISO metric screw thread
D-Sub 25 pin assignments
Pin No. Signal name
1 FG
2 RXD
3 TXD
4 RTS
5 CTS
6 DSR
7 SG
18 PRINT
19 RE-ZERO
Others -
RS-232C
The balance is a DCE device. Connect the balance to a personal computer (DTE) using a
straight through cable.
Transmission system
Transmission form
Transmission rate
Data format
M2.6
Interface type
RS-232C
RS-232C
RS-232C
RS-232C
RS-232C
RS-232C / external contact
input
External contact input
External contact input
-
: EIA RS-232C
: Asynchronous, bi-directional, half duplex
: 10 times/second or 5 times/second (same as data refresh rate)
: Baud rate : 600, 1200, 2400, 4800, 9600, 19200bps
Data bits : 7 or 8 bits
Parity
Stop bit
Code
Start bit
Direction
-
Input
Output
Input
Output
Output
-
Input
Input
-
: Even, Odd (Data bits 7 bits)
None (Data bits 8 bits)
: 1 bit
(When sending, 2 bits; receiving, 1 bit.
A personal computer will function with either setting.)
: ASCII
Data bits
79
Description
Frame ground
Receive data
Transmit data
Ready to send
Clear to send
Data set ready
Signal ground
Same as the PRINT key
Same as the RE-ZERO key
No connection
RS-232C
-5V to -15V
+5V to +15V
Stop bit
Parity bit