2.3 No optimized block access
Please note that the blocks do not support optimized block access for use
in S7-1500 CPUs from Siemens! When using instance and data blocks,
the optimized block access must be deactivated!
1. Open in the Siemens TIA Portal Project navigation the ‘Program blocks’ .
2. Select the block for which you want to change the block access and select
‘Context menu è Properties’.
ð
The "Properties" dialog of the block opens.
3. Select ‘Attributes’ .
4. Deactivate the parameter ‘Optimized block access’ .
5. Confirm with [OK].
More information can be found in the manual of the Siemens TIA Portal.
2.4 Declaration types
Please note that the spellings of the declaration types in Siemens STEP7 and TIA Portal
differ. This documentation uses the notation for Siemens STEP7. A comparison of the
spellings can be found in the following table.
Siemens TIA Portal Siemens STEP7
Input IN
Output OUT
InOut IN_OUT
Static STAT
Temp TEMP
Set block access
VIPA SPEED7
Important notes
Declaration types
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