Norma JB/T 8219-2016 per attuatori elettrici ordinari e intelligenti utilizzati nei sistemi di controllo dei processi industriali.
Table of Contents Preface 1 Scope 2 Normative References 3 Terms and Definitions 4 Product Classification and Basic Parameters 4.1 Product Classification 4.2 Basic Parameters 5 Basic Functions of Intelligent
GB/T 3369.1—2008/IEC 60381-1:1982
The standard for the 4-20mA current signal used in electric actuators is as follows: Standard: GB/T 3369.1—2008/IEC 60381-1:1982 Title: Analogue signals for process control systems — Part 1: Direct current
Voltage Signal Standards for Electric Actuators – GB/T 3369.2—2008/IEC 60381-2:1978
Applicable Standards for Electric Actuator Voltage Signals (1-5V, 2-10V, 0-5V, 0-10V): Analogue Signals for Process Control Systems – Part 2: Direct Voltage Signals (GB/T 3369.2—2008/IEC 60381-2:1978)IEC 60381-2-1978, IDT Preface GB/T
EN15714-2 Classificazione del controllo degli attuatori elettrici (servizio)
Control Duty Classifications: Class A: ON-OFF Type (On/Off) Function: The actuator is required to drive the valve through its entire stroke from fully open to fully closed (and vice versa).
Classificazioni di protezione degli involucri (UL, CSA, NEMA)
The protection ratings for enclosures defined by UL, CSA, and NEMA are categorized as follows. While the classifications are generally similar, there are minor differences in the details, so it
Grado di protezione IP dell'attuatore contro polvere e acqua
IP Protection Rating DefinitionThe IP (Ingress Protection) rating defines the protection level of a product’s enclosure against the intrusion of solid objects (such as tools, fingers, dust, etc.) and the
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