VACON PC00328 F CM180105 328H OPTAF BOARD
VACON PC00328 F CM180105 328H OPTAF BOARD (NEW WITHOUT BOX)
VACON
PC00328F
CM180105
OPTAF PC BOARD
328H 1303 0192 PS
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 OVER TEMPERATURE AT THE MOTOR THERMISTOR(S).
BY 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.
REF: FKM272
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