RIEVTECH STUDIO SOFTWARE MANUAL selection is “ ON ” . Click the tool button " "or double-click the "Address" blank box, you can edit and select a "bit register". For example, set theaddress of “ Bit Register" LB0, andset the Condition "ON". It is shown as below. The red exclamation mark will disappear after you select an address for the condition. Click the button “ OK ” and the condition will be added to the Logic Control list. It is shown as below. It means the current component will be valid when the bit register LB0 is ON. 528