4 EB 8331-4 ENContents12 Operating level ...........................................................................................3112.1 Selecting operating mode .............................................................................3112.2 Adapting the display ....................................................................................3212.2.1 Reading direction.........................................................................................3212.2.2 Backlight .....................................................................................................3212.3 Initializing the actuator .................................................................................3312.4 Reading errors .............................................................................................3412.5 Applications ................................................................................................3512.5.1 Positioner ....................................................................................................3512.5.2 PID controller ...............................................................................................3512.5.3 Two-step mode ............................................................................................3613 Configuration level ......................................................................................3713.1 Activating and setting parameters .................................................................3713.2 Input signal .................................................................................................3813.3 Operating direction......................................................................................3913.4 End position guiding ....................................................................................4113.4.1 Operating direction increasing/increasing .....................................................4113.4.2 Operating direction increasing/decreasing ....................................................4113.5 Position feedback signal ...............................................................................4113.6 Binary input ................................................................................................4213.7 Binary output ...............................................................................................4313.8 Electronic limit contacts .................................................................................4413.9 Restart ........................................................................................................4513.10 Blockage .....................................................................................................4513.11 Travel ..........................................................................................................4613.12 Characteristic ..............................................................................................4714 Information level .........................................................................................5014.1 Activating parameters ..................................................................................5015 Diagnostic level ...........................................................................................5115.1 Activating and setting parameters .................................................................5215.2 Troubleshooting ...........................................................................................5315.3 Start zero calibration....................................................................................54