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16. Standard Input & Output Interface
16-1. RS-232C And External Contact Input
D-Sub 25 pin numbers
D-Sub 25 pin assignments
Pin No. Signal name
Interface type
Direction
Description
1 FG
-
Frame ground
2 RXD
RS-232C
Input
Receive
data
3 TXD
RS-232C
Output
Transmit
data
4
RTS
RS-232C
Input
Ready to send
5
CTS
RS-232C
Output Clear to send
6
DSR
RS-232C
Output Data set ready
7 SG
RS-232C / external contact
input
- Signal
ground
18
External contact input
Input
Same as the PRINT key
19
RE-ZERO
External contact input
Input
Same as the RE-ZERO key
Others
-
-
- No
connection
RS-232C
The balance is a DCE device. Connect the balance to a personal computer (DTE) using a
straight through cable.
Transmission system : EIA RS-232C
Transmission form
: Asynchronous, bi-directional, half duplex
Transmission rate
: 10 times/second or 5 times/second (same as data refresh rate)
Data format
: Baud rate : 600, 1200, 2400, 4800, 9600, 19200bps
Data bits : 7 or 8 bits
Parity
: Even, Odd (Data bits 7 bits)
None
(Data bits 8 bits)
Stop bit
: 1 bit
(When sending, 2 bits; receiving, 1 bit.
A personal computer will function with either setting.)
Code
:
ASCII
M2.6
ISO metric screw thread
Start bit
Data bits
Parity bit
Stop bit
-5V to -15V
+5V to +15V
RS-232C
Summary of Contents for GF-30K
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