12. Standard Input And Output Interface
12-1. RS-232C and External Contact Input
D-Sub 25 pin numbers
M2.6
ISO metric screw thread
D-Sub 25 pin assignments
Pin No. | Signal name | Interface type | Direction | Description | |
1 | FG |
| - | Frame ground | |
2 | RXD | Input | Receive data | ||
3 | TXD | Output | Transmit data | ||
4 | RTS | Input | Ready to send | ||
5 | CTS | Output | Clear to send | ||
6 | DSR | Output | Data set ready | ||
7 | SG | - | Signal ground | ||
input | |||||
|
|
|
| ||
18 | External contact input | Input | Same as the PRINT key | ||
19 | External contact input | Input | Same as the | ||
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 |
|
|
|
|
|
|
|
| |||||||||||
Transmission form | : Asynchronous, | |||||||||||||||||||
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 |
|
|
|
|
|
|
| |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| +5V to +15V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
| Data bits |
|
|
|
|
|
|
| Stop bit | ||||||
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||
|
|
| Start bit |
|
|
|
|
| Parity bit | |||||||||||
|
|
|
|
|
|
|
| |||||||||||||
|
|
|
|
|
| 42 |
|
|
|
|
|
|
|
|
|
|
|
|