Parr-instrument DP8340R Series Instrukcja Użytkownika Pobierz pdf (Strona 28)

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7. INTERFACE FOR MODEL DP8340RM

(MODULAR JACK CONNECTOR)

7-1. Interface Specifications

(1) Synchronization system Asynchronous

(2) Baud rate 150, 300, 600, 1200, 2400, 4800, 9600,

BPS (Selectable)

(3) Word 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)

(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/X-OFF, selected by DIP SW 1-

5. See Chapter 9. for details.

7-2. Interface Circuit

Input (RXD, CTS)

Output (DTR, FAULT, TXD, RTS)

Figure 7-1. RS-232C Interface

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Parr-instrument DP8340R Series Instrukcja Użytkownika Strona 28