With the distributed configuration, a distinction is made between
parallel and serial communication. The main features of these types of
communication are as follows:
••
Parallel
fast data transmission
line length of up to 600 m
••
Serial
slower data transmission
line length of up to 3000 m
2.2.1
Installing a PLC with
Centralized Configuration
The following table shows which interface modules and connecting
cables can be used for connecting the various expansion units to the
CC in a centralized configuration.
Interface Module in
the CC
Expansion Unit
Interface Module in
the EU
Connecting Cable
Max. Distance
IM 300-3
6ES5 300-3AB11
IM 301-3
1)
6ES5 301-3AB13
EU 183U
EU 185U
(I/O mod. only)
EU 183U
EU 185U
(I/O mod. only)
IM 312-3
2)
6ES5 312-3AB11
IM 312-3
2)
6ES5 312-3AB31
fixed to the IM 312 module
0.5 m, 0.95 m
fixed to the IM 312 module
0.5 m, 0.95 m
IM 300-5
6ES5 300-5CA11
IM 301-5
1)
6ES5 301-5CA12
EU 184U
EU 187U
EU 184U
EU 187U
IM 312-5
6ES5 312-5CA11
IM 312-5
6ES5 312-5CA21
fixed to the IM 312 module
0.5 m, 1.5 m
fixed to the IM 312 module
0.5 m, 1.5 m
IM 300-5
6ES5 300-5LB11
ER 701-1
IM 306
6ES5 306-7LA11
6ES5 705-0xxxx
0.5 m to 2.5 m
1)
This IM has a second interface for distributed communication.
2)
The last IM 312-3 always requires a 6ES5 760-0AB11 terminator.
Centralized and Distributed Configuration
System Manual
2 - 6
C79000-B8576-C199-03