VACON PC00328F CM180105 328H OPTAF BOARD SAFE DISABLE CARD FOR INVERTER TYPE NXP (NEW WITHOUT BOX)
The thermistor supervision circuit of the OPT-AF board is designed to provide a reliable way of disabling the drive modulation in case there is an overtemperature at the motor thermistor(s).
disabling the drive modulation the feeding of the energy to the motor is
prevented and a further heating up of the motor due to this is avoided. The
thermistor supervision circuit meets the requirements in the ATEX directive by
acting directly on the "STO" safety function of the NXP and is thus
providing a reliable, software and parameter independent way of preventing the
energy supply to the motor.
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