Citizen Systems CBM-291 Manual do Utilizador descarregar pdf (Página 28)

CITIZEN 28

7 Serial Interface

7.1 Specifications

(1) Data transfer system: Asynchronous

(2) Baud rates

1200, 2400, 4800, 9600, 19200 bps (Selectable by user)

(3) Configuration of one word

Start bit : 1 bit

Data bit : 8 bits

Parity bit : Add/even or no parity (Selectable by user)

Stop bit : 1 bit or more

(4) Signal polarity

RS-232C

l Mark = logic " 1" (-3V - -12V)

l Space = logic " 0" (+3V - +12V)

(5) Receiving data (RD signal)

RS-232C

l Mark = 1

l Space = 0

(5) Receiving control (DTR signal)

RS-232C

l Mark : Data transfer not available

l Space : Data transfer available

(6) Transmission control (TD signal)

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

DC3 code (13H) X-OFF : Data reception not available

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 48 49

Sem comentários

Citizen Systems CBM-291 Manual do Utilizador Página 28