5-1-2 Display Unit Production Information 25 1. Press the Safety CPU Demo Screen. 2. I/O Table Screen for connected controllers appears. If six or more units are installed, press the button [◀] or [▶] to move to the right or left pages. 3. Press the [Production Information] button of the unit you want to check. 4. The information on the selected unit is displayed. You can see details as the following: ・Slot No. ・Model ・Unit version ・Lot No. ・Serial No. ・Hardware version