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13-3. RS-232C and RS-422/485 interface
13-3-1. Specification of RS-232C interface (P/N. CSD904-P74)
Specification Contents
Communication method Half duplex
Synchronous method Start-stop synchronous method
Baud rate Selectable from 1 200, 2 400, 4 800 and9 600 bps.
Data bit length Selectable from 7 bit or 8 bit.
Parity bit Selectable from No-parity, Even parity or Odd parity.
Stop bit Selectable from 1 bit or 2 bit.
Terminator Selectable from CR＋LF or CR.
Transmission data ASCII code
Cable length within 15 m.
Input/Output monitor with LED(TXD and RXD).
13-3-2. Specification of RS-422/485 interface (P/N. CSD904-P76)
Specification Contents
Communication method Half duplex
Synchronous method Start-stop synchronous method
Baud rate Selectable from 1 200, 2 400, 4 800 and9 600 bps.
Data bit length Selectable from 7 bit or 8 bit.
Parity bit Selectable from No-parity, Even parity or Odd parity.
Stop bit Selectable from 1 bit or 2 bit.
Terminator Selectable from CR＋LF or CR.
Transmission data ASCII code
Cable length Approx. 1 km
Address Select one from 0 to 31.
No. of connectable unit 32 units at maximum(RS-422 : 10 units)
Termination resistance
Built-in (Yes/No can be selectable by the connection
of terminal boards.)
Input/Output monitor with LED(TXD and RXD).
13-3-3. Operating mode of RS-232C and RS-422/485
The operation mode of RS-232C is selected by the setting of function F-40.
The operation mode of RS-232C can be selectable from “Command mode”, “Stream mode” or “Synchronized
with print”. Default has selected “Command mode”.
When RS-422/485 is used, the operation is fixed to “Command mode” regardless of setting of function F-40.
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