7.SERIAL INTERFACE

7.1Specifications

(1)Synchronizing system Asynchronous

(2)Baud rate

2400, 4800, 9600, or 19200 bps (User selectable)

(3) Configuration of one word

Start bit:

1-bit

Data bits:

7 or 8-bits (User selectable)

Parity bit:

Odd, even, or none (User selectable)

Stop bit:

1-bit or more

(4) Signal polarity

RS-232C

Mark = Logic “1” (–3 V to –12 V)

Space = Logic “0” (+3 V to +12 V)

(5)Received data (RD signal)

RS-232C

Mark = 1

Space = 0

(6)Reception control (DTR signal)

RS-232C

Mark: Data transfer disabled

Space: Data transfer enabled

(7)Transmission control (TD signal)

DC1 code (11H)X-ON: Data reception enabled

DC3 code (13H)X-OFF: Data reception disabled

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Citizen Systems iDP3240 user manual Serial Interface, Specifications