Westermo TD-32 B Manuel d'utilisateur télécharger pdf (Page 5)

6 6178-2010

Termination

2-wire

TD-32 B/485 (RS-422/485 interface)

As an option the TD-32 B can be supplied with an RS-422/485 inter-

face. This product is referred to as the TD-32 B/485.

On the TD-32 B/485 the RS-232/V.24 connection on the screw termi-

nal on upper front side of the unit has been replaced with an RS-

422/485 interface. All other features remain identical

between the standard TD-32 B and TD-32 B/485.

The TD-32 B/485 can still be connected to an RS-232/V.24 port using

the 25-pole D-sub. Please note that there is no galvanic isolation

between the RS-232 and the RS-422/485 ports so they should not be

connected simultaneously.

The RS-422/485 connections are made as shown below.

Please note that the selection of 2 or 4 wire and termination or no termi-

nation is done by linking between some of the screw terminals.

The default switch settings on a TD-32 B/485 is: SW3:1 and SW3:6

set to ON, the rest is OFF.

R+

RS 422/485

R-T+T-GND

PWR

RTS

DCD

LINE

ANS

REL

T4T2

V24/RS232-C

WIRE

2/4S1

1234567

TD-32 B/485

R+

RS 422/485

R-T+T-GND

PWR

RTS

DCD

LINE

ANS

T4T2

V24/RS232-C

WIRE

2/4S1

1234567

R+

RS 422/485

R-T+T-GND

PWR

RTS

DCD

LINE

ANS

T4T2

V24/RS232-C

WIRE

2/4S1

1234567

Termination

4-wire

R+

RS 422/485

R-T+T-GND

PWR

RTS

DCD

LINE

ANS

T4T2

V24/RS232-C

WIRE

2/4S1

1234567

Connection

RS-485

R+

RS 422/485

R-T+T-GND

PWR

RTS

DCD

LINE

ANS

T4T2

V24/RS232-C

WIRE

2/4S1

1234567

Connection

RS-422

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Westermo TD-32 B Manuel d'utilisateur Page 5

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