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Low-voltage switchgear and controlgear. Controller-device interfaces (CDIs) -- Actuator sensor interface (AS-i)
This part of IEC 62026 specifies a method for communication between a single control device and switching elements, and establishes a system for the interoperability of components with the specified communication interfaces. The complete system is called “Actuator Sensor interface (AS-i)”.
This standard describes a method for connecting switching elements, such as low-voltage switchgear and controlgear, standardized within IEC 60947, and controlling devices. The method may also be applied for connecting other devices and elements.
Where inputs and outputs (I/O) are described in this standard, their meaning is regarding the master; the meaning regarding the application is the opposite.
The object of this standard is to specify the following requirements for control circuit devices and switching elements:
Requirements for a transmission system and for interfaces between a slave, a master and electromechanical structures;
Requirements for a complete interoperability of different devices within any network, when meeting this standard;
Requirements for an interchangeability of devices within a network, when fulfilling the profiles of this standard;
Normal service conditions for the slaves, electromechanical devices and master;
Constructional and performance requirements;
Tests to verify conformance to requirements.
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