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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.
Connection
RS-422
4-wire
9
8
7
6
5
4
3
2
1
S1
2/4
T2
T4
GND
T-
T+
R-
R+
WIRE
RS 422/485
V24/RS232-C
PWR
B
TD
RD
RTS
DCD
LINE
ANS
Connection
RS-485
9
8
7
6
5
4
3
2
1
S1
2/4
T2
T4
GND
T-
T+
R-
R+
WIRE
RS 422/485
V24/RS232-C
PWR
B
TD
RD
RTS
DCD
LINE
ANS
6
Termination
4-wire
9
8
7
6
5
S1
2/4
T2
T4
GND
WIRE
PWR
B
TD
RD
RTS
DCD
LINE
ANS
Termination
2-wire
8
7
6
5
9
S1
2/4
T2
T4
GND
WIRE
PWR
B
TD
RD
RTS
DCD
LINE
ANS
AUDIN
REV.A
8, avenue de la malle - 51370 Saint Brice Courcelles
Tel : 03.26.04.20.21 - Fax : 03.26.04.28.20
Web : http: www.audin.fr - Email : info@audin.fr
9
S1
2/4
WIRE
4
3
2
1
T-
T+
R-
R+
RS 422/485
V24/RS232-C
4
3
2
1
T-
T+
R-
R+
RS 422/485
V24/RS232-C
TD-32 B/485
8
7
6
5
4
3
2
1
T2
T4
GND
T-
T+
R-
R+
RS 422/485
V24/RS232-C
PWR
B
TD
RD
RTS
DCD
LINE
ANS
REL
6178-2010
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