The Caller parameter must be assigned to all function blocks that call or are called.
- Open the FB_Sequence function block.
- Select the Parameters editor.
- Drag the Caller parameter from the Parameter unit into the editor.
- Enter the text OB_Cycle for the Caller parameter in the Value column:
- Repeat steps 1 and 7 for the FB_Insert, FB_Move and FB_Inspect function blocks. Enter the FB_Sequence text in the Value column.