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Power Controller: Phase Control

FAQ No. FAQ02022

Primary Contents

Question

What is phase control?

Answer


Phase control is control method in which the output amount is changed each half cycle. It enables high-precision temperature control.

Analog control of the output power is possible by receiving a 4 to 20-mA current output signal from the Temperature Controller.

The high-precision control makes the Temperature Controller resistant to external interference and the small heat shock means the heater life can be extended.

Note: Noise is generated, however, because it is not a zero-cross circuit.