Datalogic DX8200A Instrukcja Instalacji Pobierz pdf (Strona 28)

DX8200A

RS485 Half-Duplex Interface

The RS485 half-duplex interface can be used for multidrop connections with a Datalogic

multiplexer or it can also be used for a master/slave layout. The overall maximum cable

length should not exceed 1200 m (3937 ft).

The following pins of the 26-pin connector are used for RS485 half-duplex interface

connection:

Pin Name Function

2 RTX485 + RS485 input/output (+)

4 RTX485 - RS485 input/output (-)

7 GND-ISO Main signal ground

DX8200A

GND_ISO

RTX485+

RTX485-

RS485REF

MULTIPLEXER

RTX485-

RTX485+

Earth

Ground

CHASSIS

Figure 6 – RS485 Half-Duplex Interface Connections

Auxiliary Interface

The auxiliary serial interface is equipped with RS232 full-duplex interface connections. The

interface type is exclusive and is selectable through the Genius™ configuration program. The

overall maximum cable length should not exceed 15 m (50 ft).

The following pins of the 26-pin connector are used for RS232 full-duplex interface

connection:

Pin Name Function

20 RXAUX Receive data

21 TXAUX Transmit data

23 SGND AUX Auxiliary signal ground

DX8200A

USER INTERFACE

GNDAU

GND

TXD

RXAUX

RXD

TXAU

Earth

Ground

CHASSIS

Figure 7 - RS232 Auxiliary Interface Connections

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 96 97

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