Technical data

Creating Blocks and Libraries
9.3 Creating Blocks
Programming with STEP 7
Manual, 05/2010, A5E02789666-01 229
Assignment: Block Property to Block Type
The following table shows which block properties can be declared for which block types:
Property OB FB FC DB UDT
KNOW_HOW_PROTECT
• • • •
−
AUTHOR
• • • •
−
FAMILY
• • • •
−
NAME
• • • •
−
VERSION
• • • •
−
UNLINKED − − −
•
−
READ_ONLY − − −
•
−
Non-Retain − − −
•
−
Read-only block
• • • • •
The KNOW_HOW_PROTECT property can be set in a source file when you program the block. It
is displayed in the "Block Properties" dialog box but cannot be changed.