Citizen Systems iDP-3210 Manual De Usuario
iDP-3210 User’s Manual
CITIZEN
37
6.2 Serial Interface
6.2.1 Specifications
(1) Data transfer system: Asynchronous
(2) Baud rates
150, 300, 600, 1200, 2400, 4800, 9600, 19200 bps (Selectable by user)
150, 300, 600, 1200, 2400, 4800, 9600, 19200 bps (Selectable by user)
(3) Configuration of one word
Start bit
Start bit
: 1 bit
Data bit
: 7 bits or 8 bits (Selectable by user))
Parity bit
: Add/even or no parity (Selectable by user)
Stop bit
: 1 bit or more
(4) Signal polarity
RS-232C
RS-232C
l Mark
= Logic " 1" (-3V - -12V)
l Space
= Logic " 0" (+3V - +12V)
(5) Receive data (RD signal)
RS-232C
RS-232C
l Mark
= 1
l Space
= 0
(6) Data receiving control (DTR signal)
RS-232C
RS-232C
l Mark
: Data transfer not available
l Space
: Data transfer available
(7) Data transmission control (TD signal)
DC1 code (11H) X-ON
DC1 code (11H) X-ON
: Data reception available
DC3 code (13H) X-OFF
: Data reception not available