Thankyou for your reply, unfortunately it didn't help
I have a Grayhill 3J2115-200N keypad and when I push a button on this keypad nothing changes on the I/O mapping on codesys. Why? Some more information: I have version 3.5 SP10 codesys Plc settings: Always update variable: enabled 2 Can: 250.000 Baudrate CANopenmanager: Node-ID 120, enabled heartbeat producing 200ms 3JKeypads(The EDS file): Node-ID 10 enabled heartbeat producing 200ms every PDO selected every SDO created When I am in runmode(without errors) and go to I/O mapping everything is false...