Datalogic Compact 2D Reader Matrix-2000 Manuál s instrukcemi stáhnout pdf (Strana 57)

19-PIN CONNECTOR ELECTRICAL CONNECTIONS

5.5.2 RS485 Full-Duplex Interface

The RS485 full-duplex (5 wires + shield) interface is used for non-polled communication

protocols in point-to-point connections over longer distances (max 1200 m / 3940 ft) than

those acceptable for RS232 communications or in electrically noisy environments.

The following pins of the 25-pin connector are used for RS485 full-duplex communication:

Pin Name Function

2 TX+ RS485 Transmit Data (+)

4 TX- RS485 Transmit Data (-)

3 RX+ RS485 Receive Data (+)

5 RX- RS485 Receive Data (-)

7 GND_ISO Main opto-isolated reference ground

MATRI

GND_ISO

RX+

RX-

TX-

TX+

USER INTERFACE

TX485

RX485

SHIELD

Reference Ground

Earth Ground Earth Ground

Chassis

Figure 67 - RS485 Full-duplex Connections

NOTE

For applications that do not use RX485 signals, do not leave these lines

floating but connect them to GND_ISO as shown below.

MATRI

GND_ISO

RX+

RX-

TX-

TX+

USER INTERFACE

RX485

SHIELD

Reference Ground

Earth Ground Earth Ground

Chassis

Figure 68 - RS485 Full-duplex Connections using Only TX Signals

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 107 108

Žádné komentáře

Datalogic Compact 2D Reader Matrix-2000 Manuál s instrukcemi Strana 57