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8. INTERFACE FOR MODEL DP8340-D
( D-SUB 25 PIN CONNECTOR )
8-1. Interface Specifications
(1) Synchronization system Asynchronous
(2) Baud rate 150, 300, 600, 1200, 2400, 4800, 9600
BPS (Selectable)
(3) World length
Start bit: 1 bit
Data bit: 7 or 8 bits (Selectable)
Parity bit: Odd, Even, or None (Selectable)
Stop bit: 1 or 2 bit length (Selectable)
(4) Signal polarity
RS-232C MARK : Logic “1” (–3V to –25V)
SPACE : Logic “0” (+3V to +25V)
Current Loop MARK : Logic “1” (Current ON)
SPACE : Logic “0” (Current OFF)
(5) Handshaking
1 DTR Mode (1 block)
2 X-ON/Y-OFF Mode
3 STX-ETX Mode
Note: STX-ETX Mode may use DTR or X-ON/Y-OFF, selected by DIP SW 1-
5. See Chapter 9. for details.
1 Start bit
2 Data bits
3 Parity bit
4 Stop bit
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