Overview Of The Components - Siemens Simatic CFU Commissioning Manual

Product overview

3.2 Overview of the components

The use of distributed I/Os is suitable for such systems:
● The automation system is located at a central position.
● The I/O devices (inputs and outputs) operate decentrally on site.
● The CFU PA with its integrated BusLink between PROFINET IO and PROFIBUS PA
enables decentralized connection of PA field devices to the CPU of the automation system.
3.2 Overview of the components
Basic components of CFU types
The following basic components are available for the CFU types:
Table 3-1 Mounting rail
The mounting rail is the component on which the CFU is fastened.
Mounting rail TH 35 in accordance with EN 60715
Table 3-2 SIMATIC CFU PA (article number: 6ES7655-5PX11-0XX0)
CFU PA:
● Integrate the CFU PA as an IO device on PROFINET IO in the automation system.
● The CFU PA has the following interfaces:
– Eight fieldbus connections for each field device on PROFIBUS PA (FIELDBUS).
– Eight freely configurable channels (DIQ).
● You can find displays for the device status on the interface dome.
Supplementary information:
● Section "Overview of the interfaces of the SIMATIC CFU PA (Page 19)"
● Section "Diagnostics via LED displays (Page 91)"
● Section "Overview of the interfaces of the SIMATIC CFU PA (Page 19)"
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Function
Function
Figure
Figure
Commissioning Manual, 07/2018, A5E39252870-AC
SIMATIC CFU