Table Of Contents - Siemens Simatic CFU Commissioning Manual

Table of contents

1 Security information......................................................................................................................................7
2 What is a Compact Field Unit?.....................................................................................................................9
3 Product overview........................................................................................................................................13
3.1 Inclusion in the automation environment................................................................................13
3.2 Overview of the components..................................................................................................14
3.3 Front view of the CFU............................................................................................................16
3.4 2D matrix code (QR code / EAN code)..................................................................................17
4 Functions....................................................................................................................................................19
4.1 Overview of the interfaces of the SIMATIC CFU PA..............................................................19
4.2 Functions of the fieldbus connections (FB)............................................................................20
5 Operation planning.....................................................................................................................................21
5.1 Rules for the operation...........................................................................................................21
5.2 System change during operation...........................................................................................22
5.3 PA profiles for field devices on PROFIBUS PA......................................................................23
5.4 Use in hazardous areas.........................................................................................................24
5.5 Voltage relationships (galvanic isolation)...............................................................................27
6 Installation..................................................................................................................................................29
6.1 Installation rules.....................................................................................................................29
6.2 Installing the mounting rail.....................................................................................................30
6.3 Installing the CFU...................................................................................................................32
6.4 Removing the CFU.................................................................................................................35
7 Connecting.................................................................................................................................................37
7.1 Hardware-settings..................................................................................................................37
7.2 Wiring rules............................................................................................................................37
7.3 Connecting the power supply to the CFU..............................................................................38
7.4 Connecting the device to the CFU PA (PROFIBUS PA field device, sensor, actuator).........41
7.4.1 Connecting a PROFIBUS PA field device..............................................................................41
7.4.2 Connecting a sensor / final controlling element to the CFU...................................................42
7.5 Connect cables for sensors, actuators and power supply to the connector...........................44
7.5.1 Selecting connection system..................................................................................................44
7.5.2 Cable cross-sections and wire end ferrules...........................................................................45
7.5.3 Connecting the cable using push-in terminals.......................................................................46
7.5.4 Connecting cables using screw terminals..............................................................................47
SIMATIC CFU
Commissioning Manual, 07/2018, A5E39252870-AC
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