Datalogic Matrix 400 Manuel d'instructions télécharger pdf (Page 76)

MATRIX 400™ REFERENCE MANUAL

5.4.1 RS232 Interface

The RS232 interface can be used for Point-to-Point, Pass Through or Master/Slave

connections. When it is connected to the host computer it allows both transmission of code

data and reader configuration by VisiSet™.

The following pins of the M16 19-pin connector are used for RS232 interface connection:

Pin Name Function

M TX Transmit Data

U RX Receive Data

N RTS Request To Send

T CTS Clear To Send

L GND Ground

It is always advisable to use shielded cables. The overall maximum cable length must be

less than 15 m (49.2 ft).

MATRI

GND

RTS

CTS

USER INTERFACE

Reference Ground

Handshaking

Signals

TXD

RXD

SHIELD

Earth Ground Earth Ground

Chassis

Figure 76 - RS232 Main Interface Connections

The RTS and CTS signals control data transmission and synchronize the connected devices.

Figure 77 - RS232 Control Signals

If the RTS/CTS handshaking protocol is enabled, Matrix 400™ activates the RTS output to

indicate a message is to be transmitted. The receiving unit activates the CTS input to enable

the transmission.

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Datalogic Matrix 400 Manuel d'instructions Page 76