The Beckhoff KL2212 is a digital input terminal module for Beckhoff PLC systems. It provides 2 channels of 24 V DC digital inputs. The inputs are isolated from the power supply and can be used to monitor the status of various devices and sensors in an automation system. The KL2 module is designed to be used with the Beckhoff EtherCAT bus system and can be easily integrated into an overall automation solution.