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.