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1
Overview
Features and
Functions
RBC Specifications
2
The SIMATIC 505 PROFIBUS-DP Remote Base Controller (RBC),
PPX:505–6870, allows a Series 505t I/O base to function as a slave node on
a DP I/O channel that complies with the PROFIBUS standard (DIN 19245,
Part 3). The SIMATIC 500 PROFIBUS-DP Remote Base Controller (RBC),
PPX:500–6870, allows a Series 500t I/O base to function as a slave node on
a DP I/O channel that complies with the PROFIBUS standard.
The 505 and 500 PROFIBUS-DP RBCs offer the following features:
The RBC is compatible with Siemens S5t and S7t, as well as Series
505, masters.
The 505 RBC can be used in all currently-available Series 505 bases
(4-, 8-, 11-, and 16-slot models).
The 500 RBC can be used in all Series 500 bases (6-, 12-, and 14-slot
models, or original 8- and 16-slot models with PPX:500–5840 adapter).
The RBC supports communication speeds from 9.6 Kbaud (maximum
cable distance per segment: 1200 m) up to 12 Mbaud (maximum cable
distance per segment: 100 m).
The LED display shows error codes or current station address.
A serial port is available for remote programming of the CPU when the
RBC is used on a Series 505/500 system.
The RBC has a field-upgradeable operating system that is stored in
flash memory.
The base where the RBC resides can contain only modules that look
like discrete or analog I/O; Special Function modules like Peerlink or
NIMs are not supported.
CPU commands received from the serial port are restricted to those
that cannot alter the PROFIBUS-DP I/O configuration.
A "GSD" file is provided with the RBC to allow configuration by the
COM PROFIBUS configuration utility.
Figure 1 illustrates how the 505 and 500 PROFIBUS-DP RBCs fit into the
I/O architecture of a Series 505 system.
The physical and environmental specifications for the 505 PROFIBUS-DP
RBC are listed in the SIMATIC 545/555/575 System Manual.
SIMATIC 505/500 PROFIBUS-DP RBC User Manual
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