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11. Dual Interface

11-1. RS-232 Interface

11-1-1. Interface Specifications
1Data transmission method: Asynchronous serial interface
2Baud rate: Selectable from 4800, 9600, 19200, 38400 bps
(Refer to “9. DIP Switch Setting”.)
3Word length Start bit: 1 bit
Data bit: 7 or 8 bits (selectable. Refer to “9. DIP Switch
Setting”.)
Parity bit: Odd, even or none (selectable. Refer to “9. DIP
Switch Setting”.)
Stop bit: 1 bit length
4Signal polarity RS-232
MARK: Logic “1” (–3V to –15V)
SPACE: Logic “0” (+3V to +15V)
MARK “1”
SPACE “0”
A: Start bit
B: Data bit
C: Parity bit
D: Stop bit