4 Installation
4.2 Electrical Connection
Manual
SIPART DR21
C73000-B7476-C143-08
145
4.2.4.2 RS 485 bus
Can be inserted in slot 4, set structure switches S84 to S91 for transmission procedure.
RS
23
2
E
ND/E
N
D
SI
PAR
T
-
BU
S
RS
48
5
R
S
485
+1
50
R
Figure 4-40 Jumper settings SES-module 6DR2803-8C in RS 485 bus
Controller 32
RS 485 bus
≤
1200 m
SES
Remote system
Controller 1
Controller 2
to
Rxd/Txd-B
Rxd/Txd-A
9-pin bus-plug for round cable: C73451-A347-D39
8 Rxd/Txd-A
8 Rxd/Txd-A
8 Rxd/Txd-A
3 Rxd/Txd-B
3 Rxd/Txd-B
3 Rxd/Txd-B
SES
SES
Jumper setting RS 485
Jumper setting RS 485 + 150R
Note line termination
:
The RS 485-bus must be terminated with
its characteristic impedance. To do this,
the terminating resistor in the ”last” bus
user is switched by plugging the coding
bridge appropriately.
.
Figure 4-41 RS 485-bus connection
Summary of Contents for SIPART DR21
Page 1: ...SIPART DR21 C73000 B7476 C143 08 1 SIPART DR21 6DR 210 Edition 08 2010 Manual ...
Page 2: ...SIPART DR21 C73000 B7476 C143 08 2 ...
Page 148: ...4 Installation 4 2 Electrical Connection Manual 148 SIPART DR21 C73000 B7476 C143 08 ...
Page 180: ...5 Operation 5 5 CPU self diagnostics Manual 180 SIPART DR21 C73000 B7476 C143 08 ...
Page 242: ...Manual 242 SIPART DR21 C73000 B7476 C143 07 ...