Click here to purchase IEC 61158-3-25:2019 defines the services provided to the Type 25 fieldbus application layer at the boundary between the application and data-link layers of the fieldbus reference model and systems management at the boundary between the data-link layer and systems management of the fieldbus reference model. It provides common elements for basic time-critical messaging communications between devices in an automation environment.
Connectors for electrical and electronic equipment – Part 7: Detail specification for up to 7 ways including PE or FE (data/power) and shield pin, free and fixed circular connectors for balanced single-pair data transmission with current-carrying capacity – Mechanical mating information, pin assignment and additional requirements for type 7 standard by International Electrotechnical Commission, 05/01/2023
Electric welding equipment – Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz) – Part 3: Resistance welding equipment standard by International Electrotechnical Commission,