Siemens SITOP Series Function Manual page 107

Step number Instruction
2 In the "Add new block" dialog box,
Select "Data block".
•
From the "Type" drop-down list, select "UDT_PSU8600_Data".
•
Enter the name of the block in the "Name" field.
•
Click "OK".
•
Note
The DB attribute "Optimized block access" must be unchecked. To do this, right click on the
global DB of your project in the "Project tree" window and select "Properties". Navigate to
"General > Attributes", clear the "Optimized block access" checkbox.
SITOP PSU8600 Firmware V1.4: Faceplates and Communication Blocks V2.4 for SIMATIC STEP 7 V14 SP1, V15 and V15.1 (TIA)
Function Manual, 11.2018, A5E37763954-09-76
Working with the library
7.2 SIMATIC STEP 7
107