D-F10072 NP-K3053/K2053 Product Specifications Rev.1.00
17
3.2 Interface [SERIAL (RS-232C compliance)]
(1) Synchronization : Asynchronous
(2) Transmission Speed : 2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200bps
(user selection)
(3) 1 word consists of
Start bit : 1bit
Data bit : 7 or 8 bit (user selection)
Parity bit : odd, even or no parity (user selection)
Stop bit : more than 1 bit
(4) Signal Polarity
RS-232C
Mark = Logic “1” (–3V -- –12V)
Space = Logic “0” (+3V -- +12V)
(5) Receive Data (RXD signal)
Mark = 1
Space = 0
(6) Transmit Data (TXD signal)
Mark = 1
Space = 0
XON/XOFF when controlled
«DC1» [11]h code, XON : Possible to receive data
*NOTE1
«DC3» [13]h code, XOFF : Impossible to receive data
*NOTE2
(7) Receive-Control (RTS signal)
Mark : Impossible to receive data
*NOTE3
Space : Possible to receive data
*NOTE1
(8) Transmit-Permission (CTS signal)
Mark : Impossible to transfer data
Space : Possible to transfer data.
*NOTE1
: Occur after power ON or after self diagnostic print also after software reset or when
releasing receiving buffer full and firmware rewrite.
*NOTE2
: Occur when receiving buffer full or after receiving memory switch setting command also
after receiving software reset command and firmware rewrite.
*NOTE3
: Occur when power OFF or during self diagnostic print and software reset or when
receiving buffer full or after receiving memory switch setting command and firmware
rewrite.
