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AMNYTT NR . 3 2021
Eksempel på instrumentering som levers med IO-Link løsning device from the master ( such as messages sent to a tower ligh indicating which color segments should be illuminated ). Process data is transmitted cyclically in a defined data frame . In addition , value status data — indications of whether or not process data is valid — is transmitted along with process data .
• Service Data — also called Device Data — refers to information about the sensor itself such as parameter values , model and serial numbers , device descriptions , etc . Service data can be both written to the device or read from the device acyclically .
• Event Data refers to notifications such as error messages or maintenance warnings ( e . g . device overheating , dirty lens ) that are transmitted acyclically from the IO-Link device to the master whenever an event occurs .