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• Continuous communication between sensors/actuators and the CPU
– Access to all process data, diagnostic data and device information
– Access to device-specific data, such as energy data
– Remote diagnostics can be performed
• Continuous diagnostic information down to sensor/actuator level
– Reduction in troubleshooting effort
– Minimizing risk of failure
– Preventive maintenance and optimization of service and maintenance planning
• Dynamic change of sensor/actuators parameters by the controller or the operator at the
HMI
– Reduction in downtimes during product change
– Increased variability of the machine
• Automatic reassignment of parameters when devices are replaced during operation
– Minimization of downtimes
– Device replacement by untrained personnel without additional aids
– Avoidance of incorrect settings
• Integrated device identification
– Identification of the installed devices
– Ensure quality of result in production and manufacturing when replacing the device
2.2
Overview of IO-Link system
Components
An IO-Link system consists of the following components:
• IO-Link master
• IO-Link device, for example:
– Sensors/actuators
– RFID readers
– I/O modules
– Valves
• Unshielded 3-wire or 5-wire standard cables
• Engineering tool for configuring and assigning parameters of IO-Link
IO-Link system
Function Manual, 07/2022, A5E31637677-AC
System overview
2.2 Overview of IO-Link system
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