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6. SERIAL INTERFACE
6.1 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
Data bit
Parity bit
Stop bit
(4) Signal polarity
RS-232C
• Mark
• Space
(5) Receiving data (RD signal)
RS-232C
• Mark
• Space
(6) Receiving control (DTR signal)
RS-232C
• Mark
• Space
(7) Transmission control (TD signal)
DC1 code (11H) X-ON :
DC3 code (13H) X-OFF :
:
1 bit
:
8 bits Fixed
:
Odd/Even or No parity (Selectable by user)
:
1 bit or more
=
logic " 1" (–3V ~ –12V)
=
logic " 0" (+3V ~ +12V)
=
1
=
0
:
Data transfer is not available
:
Data transfer is available
Data reception is available
Data reception is not available
9
BD2-2890DD SPECIFICATIONS
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