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1. Go to the Apollo Internal Variable object settings panel.
   Image Modified

2. Set the Term handling type. Execute when modified switch to one of the positions described in the table below (1).

   Switch position	Description
   any term, result

   –

   —logical OR of all terms

   Actions specified in the internal variable will be executed when any term is changed, provided that the logical OR of all terms is TRUE

   .

   logical OR of all terms, result

   –

   —logical OR of all terms

   Actions specified in the internal variable are performed if at least one term is TRUE

   .

   logical AND of all terms, result

   –

   —logical AND of all terms

   Actions specified in the internal variable are performed if all terms are TRUE

   .

   any term, result

   –

   —modified term value

   The actions

   Actions specified in the internal variable will be performed when any term is changed

   .

   
   

3. Click the Apply button (2).
4. To save the changes to the controller, write configuration to hardware.

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