Siemens SIMATIC S7-GRAPH - Page 9

Contents
S7-GRAPH for S7-300/400 Programming Sequential Control Systems
C79000-G7076-C526-01 ix
9 Assigning Parameters to and Calling the S7-Graph FB......................................9-1
9.1 Calling the S7-Graph FB in the S7 Program ............................................................9-1
9.2 Calling the S7-Graph FB .........................................................................................9-1
9.3 Selecting an FB Parameter Set...............................................................................9-2
9.4 Parameter Sets of the FB........................................................................................9-3
9.5 Input Parameters of the S7-Graph FB .....................................................................9-5
9.6 Output Parameters of the S7-Graph FB...................................................................9-8
9.7 The Modes of the Sequential Control System........................................................9-10
9.7.1 Automatic Mode (SW_AUTO) ...............................................................................9-11
9.7.2 Manual mode (SW_MAN) .....................................................................................9-12
9.7.3 Inching mode (SW_TAP).......................................................................................9-13
9.7.4 Automatic or Switch to next Mode (SW_TOP) .......................................................9-14
10 Downloading the S7-Graph FB and Instance DB...............................................10-1
10.1 Downloading blocks from the Programming Device to the CPU.............................10-1
10.2 Uploading Blocks from the CPU to the Programming Device .................................10-2
11 Monitoring and Testing the Sequential Control System ...................................11-1
11.1 Monitoring and Test Functions in S7-Graph...........................................................11-2
11.1.1 Monitoring the Status Information..........................................................................11-2
11.1.2 Control Sequencer ................................................................................................11-3
11.1.3 Synchronization ....................................................................................................11-4
11.2 Test Functions of STEP 7 .....................................................................................11-5
12 Printing the Sequencer.......................................................................................12-1
13 Overview of All Actions ......................................................................................13-1
13.1 Standard Actions with and without Interlock...........................................................13-1
13.2 Event-Dependent Actions - with and without Interlock............................................13-3
13.3 Counters in Actions............................................................................................. 13-13
13.4 Timers in Actions ................................................................................................13-18
13.5 Arithmetic in Actions............................................................................................13-23
14 Notes on Configuration ......................................................................................14-1
14.1 General Level Structure and Program Structure ....................................................14-1
14.2 Points to Note about Programming Sequencers ....................................................14-8
14.3 Linking to Operator Control and Monitoring Systems........................................... 14-12