1-5
System Overview
SIMATIC 545/555/575 System Manual
Series 505 Remote
I/O Channel
(1 Mbaud)
PROFIBUS-DP
I/O Channel
(12 Mbaud)
Third Party
Products
Series 505 Base with
505 PROFIBUS-DP RBC
C
P
U
C
R
B
C
R
B
C
S7 I/O
ET200B
Block I/O
95U/PROFIBUS-DP
ET200U
ET200C
Series 505 Base with RBC
(PPX:505–6851–A/B RBC)
Series 500 Base with RBC
(PPX:500–5114–A RBC)
(PPX:505–6870 RBC)
R
B
C
Siemens AC/DC
Motors and Drives
545/555/575
Notes:
The Series 505 remote I/O channel supports up to 15 Series 505/Series 500 remote bases.
The PROFIBUS-DP I/O channel supports up to 112 SIMATIC and third-party DP I/O slaves.
A 575–2104 CPU can support either the 505 I/O channel or the PROFIBUS-DP channel, but not both simultaneously.
The 545–1103/–1105 CPUs support only the PROFIBUS-DP channel, up to 32 SIMATIC and third-party DP I/O slaves, with the
optional PROFIBUS-DP I/O annex card.
AS-Interface Master
Limit SW P/B Solenoid PE Cell
AS-Interface Bus
Allen-Bradley
Festo
Metlore-Toledo
Data Logic
ABB
AEG-Modicon
Bosch
Turk
etc.
Series 500 Base with 500
PROFIBUS-DP RBC
(PPX:500–6870 RBC)
R
B
C
Figure 1-1 Series 505 I/O Architecture