Designed to input the state of 48 discrete signals galvanically isolated from the unit controller and transmit them to the AVR-5M microprocessor automatic excitation controller via CAN-1 interface, also galvanically isolated. The test voltage of the input circuits is 2 kV.
The optrons of the input circuits are powered from an external voltage source.
The unit is structurally designed as a printed circuit board mounted on a DIN-rail.
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