Siemens SIMATIC S7 F, Manual

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Contents
Fail-Safe Systems
xii
A5E00085588-03
4 Configuration 4-1
4.1 Overview ...........................................................................................................4-1
4.2 Hardware Configuration and Parameter Assignment .......................................4-1
4.3 CPU Parameter Assignment .............................................................................4-3
4.4 Parameter Assignment of F-I/Os.......................................................................4-4
4.5 Configuring Redundant F-I/Os ..........................................................................4-6
4.6 Configuring the Networks and Connections......................................................4-6
4.7 Programming Device Functions in STEP 7......................................................4-7
4.8 Setting up, Modifying and Cancelling Access Rights........................................4-8
4.8.1 Setting up Access Rights for the CPU ..............................................................4-8
4.8.2 Entering/Changing the Password for the Safety Program ................................4-9
4.8.3 Cancelling Access Rights for the Safety Program ..........................................4-10
4.9 Configuration in Run .......................................................................................4-11
5 Programming 5-1
5.1 Overview ...........................................................................................................5-1
5.1.1 Structure of the Safety Program .......................................................................5-1
5.1.2 Blocks of the Safety Program............................................................................5-2
5.2 Creating Safety Programs.................................................................................5-4
5.2.1 Creating a Safety Program - Basic Procedure.................................................5-4
5.2.2 Safety Notes for Programming..........................................................................5-5
5.2.3 Defining the Program Structure.........................................................................5-7
5.2.4 Inserting CFC Charts ........................................................................................5-8
5.2.5 Inserting Run-Time Groups...............................................................................5-9
5.3 Inserting and Interconnecting Fail-Safe Blocks...............................................5-10
5.3.1 Inserting Fail-Safe Blocks ...............................................................................5-10
5.3.2 Automatically Inserted F-Blocks......................................................................5-11
5.3.3 Interconnecting and Assigning Parameters to F-Blocks .................................5-12
5.3.4 Defining the Run Sequence ............................................................................5-14
5.3.5 Interconnecting F-Driver Blocks ......................................................................5-16
5.3.6 Passivation and Reintegration of the Input and Output Channels ..................5-24
5.3.7 Programming Startup Protection.....................................................................5-28
5.3.8 Example: Reintegration after Startup of the Safety Program..........................5-29
5.3.9 Assigning Parameters to the F Cycle Time Monitoring...................................5-30
5.3.10 Interconnecting F Communication Blocks.......................................................5-31
5.4 Processing of the Safety Program ..................................................................5-39
5.4.1 Managing Safety Programs.............................................................................5-39
5.4.2 Deactivating Safety Mode ...............................................................................5-40
5.4.3 Activating Safety Mode ...................................................................................5-42
5.4.4 Compiling a Safety Program ...........................................................................5-43
5.4.5 Creating Fail-Safe Block Types.......................................................................5-44
5.4.6 Downloading a Safety Program ......................................................................5-47
5.4.7 Downloading the Entire Safety Program .........................................................5-48
5.4.8 Changes to the Safety Program in RUN Mode ..............................................5-49
5.4.9 Downloading Changes ....................................................................................5-54
5.4.10 Testing the Safety Program ............................................................................5-56
5.4.11 Testing a Safety Program Offline with S7-PLCSim.........................................5-57
5.4.12 Changing Fail-Safe Constants in CFC Test Mode..........................................5-62
5.4.13 Displaying Information.....................................................................................5-65
5.4.14 Saving reference data .....................................................................................5-66
5.4.15 Comparing Safety Programs...........................................................................5-67
5.4.16 Logging the Safety Program ...........................................................................5-76
5.4.17 Printing the Safety Program ............................................................................5-77