2. Hardware |
| |
1. | Baud rate: | 1200, 2400, 4800, 9600, 19200 |
2. | Length of signs: | 1 start bit |
|
| 7 or 8 data bits |
|
| 1 or 2 stop bits |
3. | Parity: | even/odd/none |
4. | Operating: | full duplex, no echo |
5. | Handshake: | Xon/Xoff |
6. | Plug: | 9 pin sub d, socket |
7. | Pin assignment: | RS 232 module |
GND
Relay 1 contact NC/NO
Rxd
Relay 2 contact NC/NO
TxD
Relay 3 contact NC/NO
NC
Relay common node
GND
RS 485 module
GND
Relay 1 contact NC/NO
RxD-
Relay 2 contact NC/NO
RxD+
Relay 3 contact NC/NO
TxD+
Relay common node
TxD-
1 - 2 | AK | 90003752(1) |