
5-2
Installing Remote Base Controllers—RBCs SIMATIC 545/555/575 System Manual
5.1 Overview
Through the Series 505 remote I/O channel, your CPU can communicate to
Series 505/Series 500 remote I/O modules by means of an RBC. The
PROFIBUS-DP I/O channel allows you to communicate not only to
SIMATIC and third-party DP I/O, but to Series 505 remote I/O modules in a
Series 505 base by means of a DP RBC, the PPX:505–6870. Figure 5-1
shows the RBC models available for each I/O channel and base type.
Series 505 Remote
I/O Channel
PROFIBUS-DP
I/O Channel
Series 505 Base with
505 PROFIBUS-DP RBC
(PPX:505–6870 RBC)
Note: 505 Special Function
modules cannot be used in
a DP base.
C
P
U
C
R
B
C
R
B
C
Series 505 Base
with RBC
Series 500 Base
with RBC
(PPX:505–6851–A/B)*
(PPX:500–5114–A)*
*Earlier, non-A/B versions of these RBCs can be used.
Third Party
Products
SIMATIC DP
Remote I/O
Series 500 Base with
500 PROFIBUS-DP RBC
(PPX:500–6870 RBC)
R
B
C
R
B
C
Figure 5-1 RBC Models, Bases, and I/O Channels
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