Horner-apg XL6 OCS HEXT351C115 Manuel d'utilisateur télécharger pdf (Page 4)

MAN0887-05-EN Specifications / Installation

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3/2/2010 Page 4 of 8 #1037

4.2 External DIP Switch Settings

MJ2 Pinouts in Half and Full Duplex Modes

Table - Ports and Functions

Functions Port 1 (MJ1) Port 2 (MJ2)

RS-232 



 





Hardware Handshaking 





Programming 





Ladder function

controlled





 





Serial Downloable

Protocols





 





RS 485 Full duplex







RS485 Half duplex 



 





4.1 Serial Communications

MJ1: (RS-232 / RS-485) Use for Cscape programming

and Application-Defined Communications.

MJ2: (RS-232 / RS-485) Use for Application-Defined

Communications.

As seen when looking at the side of the XL6 unit :

The DIP Switches are used for

termination of the RS-

485 ports. The

XL6 is shipped un-terminated.

To terminate, select one of the DIP

Switches and configure it based upon

the option that is desired.

MJ1 Pins MJ2 Pins

Signal Direction Signal Direction

TXD OUT TXD OUT

RXD IN RXD IN

0 V Ground 0 V Ground

+5 60mA OUT +5 60mA OUT

RTS OUT TX- OUT

CTS IN TX+ OUT

RX- / TX- IN / OUT RX- IN

RX+ / TX+ IN / OUT RX+ IN

* +5V 60mA Max

MJ2 Half Duplex Mode

MJ2 Pins

Signal Direction

TXD OUT

RXD IN

0 V Ground

+5 60mA OUT

TX- OUT

TX+ OUT

TX-/RX- IN/OUT

TX+/RX+ IN/OUT

MJ2 Pins

Signal Direction

TXD OUT

RXD IN

0 V Ground

+5 60mA OUT

TX- OUT

TX+ OUT

RX- IN

RX+ IN

MJ2 Full Duplex Mode

* +5V 60mA Max

SW1 - ON enables MJ2 RS485 port termination (121 Ohms).

OFF disables MJ2 RS485 port termination.

SW2 & SW3 - ON places MJ2 RS485 port in half-duplex mode.

OFF places MJ2 RS485 port in full-duplex mode.

SW4 - ON enables MJ1 RS485 port termination (121 Ohms).

OFF disables MJ1 RS485 port termination.

MJ1

MJ2

Off

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Horner-apg XL6 OCS HEXT351C115 Manuel d'utilisateur Page 4

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