Technical data

Basics of Creating Logic Blocks
9.4 Working with Libraries
Programming with STEP 7
242 Manual, 05/2010, A5E02789666-01
10.1.3 Default Settings for the LAD/STL/FBD Program Editor
Before you start programming, you should make yourself familiar with the settings in the editor in
order to make it easier and more comfortable for you when programming.
Using the menu command Options > Customize you open a tabbed dialog box. In the various
tabs you can make the following default settings for programming blocks, e.g. in the "General" tab:
• The fonts (type and size) for text and tables.
• Whether you want symbols and comments to be displayed with a new block.
You can change the settings for language, comments, and symbols during editing using the
commands in the View >… menu.
You can change the colors used for highlighting, for example, networks or statement lines in the
"LAD/FBD" tab.
10.1.4 Access Rights to Blocks and Source Files
When editing a project, a common database is often used, meaning that a number of personnel
may want to access the same block or data source at the same time.
The read/write access rights are assigned as follows:
• Offline editing:
When you attempt to open a block/source file, a check is made to see whether you have 'write'
access to the object. If the block/source file is already open, you can only work with a copy. If
you then attempt to save the copy, the system queries whether you want to overwrite the
original or save the copy under a new name.
• Online editing:
When you open an online block via a configured connection, the corresponding offline block is
disabled, preventing it from being edited simultaneously.