Technical data
Startup and Operation
5.4 Objects and Object Hierarchy
Programming with STEP 7
130 Manual, 05/2010, A5E02789666-01
Symbol Objects in
the Block
Folder
Selection of Important Functions
System
Function
(SFC)
• Requirements for Downloading
• Attributes for Blocks and Parameters
• Help on Blocks
SFB (System
Function
Blocks)
• Requirements for Downloading
• Attributes for Blocks and Parameters
• How to Assign and Edit Block-Related Messages (Project-Oriented)
• How to Create Block-Related Messages (CPU-Oriented)
• How to Configure PCS7 Messages (Project-Oriented)
• How to Configure PCS7 Messages (CPU-Oriented)
• Translating and Editing Operator Related Texts
• Help on Blocks
Block with
KNOW HOW
protection
• Rules for Defining Block Properties in STL Sources
• Block Properties
Diagnostic-ca
pable block
Additional information is available in the documentation for the S7-PDIAG optional
package.
Block was
created with
the
F-FBD/-LAD/-
STL/-DB
programming
language
Additional information is available in the documentation for the S7 Distributed Safety
optional package.
Variable
Table (VAT)
• Basic Procedure when Monitoring and Modifying with the Variable Table
• Introduction to Testing with the Variable Table
• Introduction to Monitoring Variables
• Introduction to Modifying Variables
• Introduction to Forcing Variables
System Data
Block
(SDB)
System data blocks (SDBs) are only edited indirectly via functions:
• Introduction to Configuring Hardware
• Properties of Subnets and Communication Nodes
• Overview: Global Data Communication
• Assigning and Editing Symbol-Related Messages
• Requirements for Downloading