JB/T 8219-2016 Norma pro běžné a inteligentní elektrické pohony používané v systémech řízení průmyslových procesů
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
Normy napěťových signálů pro elektrické aktuátory – 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 Klasifikace ovládání elektrických pohonů (povinnost)
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).
Stupně ochrany krytu (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
Stupeň krytí IP pro ochranu proti prachu a vodě
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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