Name: Siemens SIMATIC S7-GRAPH
Brand: Siemens
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Notes on Configuration

S7-GRAPH for S7-300/400 Programming Sequential Control Systems

C79000-G7076-C526-01

14-11

SW_MAN

SW_AUTO

SW_TAP

Autom.

Inch

Man

FB sequencer

AUTO_ON

TAP_ON

MAN_ON

With this logic, the sequencer returns to the state set by the signals

automatic/inching/manual after one cycle.

Table of Contents7
Product Overview11
Installation and Authorization15
Authorization15
Installing the Authorization16
Upgrading the Authorization17
Uninstalling the Authorization18
Rules for Handling Authorizations18
Installing S7-Graph20
Uninstalling S7-Graph23
Designing a Sequential Control System Based on the Example of a Drill25
Technological Task and Functional Diagram27
Selecting the Structure of the Sequencer28
Defining the System Signals30
Creating the Drill Project in the SIMATIC Manager31
Creating a Symbol Table32
Creating an S7-Graph FB and Programming a Sequencer33
Programming Step Actions36
Programming Transitions36
Programming Monitoring Functions38
Specifying the Standard Function Block39
Saving and Closing the Sequencer39
Including the Sequencer in the STEP 7 Program40
Downloading the Program to the CPU and Testing the Sequencer42
Test Function: Control Sequencer43
Changing the Sequencer44
Working with S7-Graph47
Starting S7-Graph47
The S7-Graph User Interface48
Settings for the Work Area51
Customizing Display Level, Colors and Fonts54
Tools for Editing the Sequencer58
Display and Position of the Toolbars58
Editing the Sequencer with the Toolbars59
Navigating in the Sequencer59
Creating a Project61
Creating the Project in the SIMATIC Manager61
S7-Graph FB or S7-Graph Source File62
S7-Graph FB62
S7-Graph Source File63
Opening an S7-Graph FB or an S7-Graph Source File64
Programming the Structure of the Sequencer65
Sequencer - Principle66
Structures of a Sequencer67
Rules for the Structure of a Sequencer68
Elements of a Sequencer68
Step-Transition Pair and Initial Step69
Jump70
Alternative Branch71
Simultaneous Branch72
Branch Stop73
New Sequencer73
Permanent Instructions74
Block Comment75
Programming Actions and Conditions77
Actions78
Standard Actions79
Event-Dependent Actions80
Counters, Timers and Arithmetic in Actions83
Conditions90
Ladder Logic Elements for Programming Conditions93
Logic Operations with Ladder Logic Elements96
FBD Elements for Programming Conditions97
S7-Graph Addresses in Conditions100
Supervision Errors and Acknowledgment101
Comment, Extended Name, Number, Name103
Programming with Symbolic Addresses104
Editing Variables105
Saving and Compiling107
Rules for Saving an S7-Graph FB108
Rules for Saving an S7-Graph Source File108
Settings for Saving and Compiling109
Settings in the "General" Tab Page109
Settings in the "Compile/Save" Tab Page111
Settings in the "Messages" Tab Page113
Saving115
Compiling116
Assigning Parameters to and Calling the S7-Graph FB117
Calling the S7-Graph FB in the S7 Program117
Calling the S7-Graph FB117
Selecting an FB Parameter Set118
Parameter Sets of the FB119
Input Parameters of the S7-Graph FB121
Output Parameters of the S7-Graph FB124
The Modes of the Sequential Control System126
Automatic Mode (SW_AUTO)126
Manual Mode (SW_MAN)126
Inching Mode (SW_TAP)129
Automatic or Switch to Next Mode (SW_TOP)130
Downloading the S7-Graph FB and Instance DB131
Downloading Blocks from the Programming Device to the CPU131
Uploading Blocks from the CPU to the Programming Device132
Monitoring and Testing the Sequential Control System133
Monitoring and Test Functions in S7-Graph134
Monitoring the Status Information134
Control Sequencer135
Synchronization136
Test Functions of STEP 7137
Printing the Sequencer141
Overview of All Actions143
Standard Actions with and Without Interlock143
Event-Dependent Actions - with and Without Interlock145
Counters in Actions155
Timers in Actions160
Arithmetic in Actions165
Notes on Configuration167
General Level Structure and Program Structure167
Points to Note about Programming Sequencers174
Linking to Operator Control and Monitoring Systems178
Instance DB181
Settings for the Instance DB181
Assignment of Instance DB and S7-Graph FB182
Automatic Creation of the Instance DB on Saving182
Creating the Instance DB Later183
Displaying and Printing the Content of the Instance DB183
Accessing the Instance DB183
Structure of an Instance DB184
Outline of the Structure of the Instance DB184
FB Parameters184
The Transition Structure189
The Step Structure191
Sequencer Status193
Internal Data Area199
Glossary203
Index207

Brand	Siemens
Model	SIMATIC S7-GRAPH
Category	Industrial Equipment
Language	English

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