Power conditioner PU

Specialty

The PU21 single-phase power controller and PU23 three-phase power controller accept input from a 4-20 mA DC signal, manual setting of the device (PU20VR10) and other methods. The control method can be switched between phase control and zero-crossing control through external contacts, communication, etc. In addition to the basic type (no feedback), the types of phase control include constant voltage, constant current and constant power, each of which can be selected according to the characteristics of the applicable heater.

Rich product lineup

Power control methods include basic, constant voltage, constant current and constant power. Support frequency division control. The appropriate model can be selected according to the characteristics of the applicable heater. The PU21/23 series power controllers cover a wide range of rated currents from 10 to 500 A, and a wide range of rated voltages from 100 to 440 V AC (200-440 V AC in the case of the PU23).

Rich function expansion options

Options include heater burnout alarm and current limit. If the model with setting and display unit is selected, the communication function (RS-485/Modbus) is available.

6-arm control (PU23 only)

The PU23 three-phase power supply controller adopts 6-arm control as a standard function, and can achieve stable control performance even if the primary side control of the transformer is used. It is also effective in reducing even harmonics.

Visualize heater control with programless communication

By combining the PU21/23 power supply controller with the CMC15G communication controller (sold separately), it is possible to seamlessly communicate with host devices such as PLCs. Heater control can be easily "displayed" by transmitting data such as output voltage, output current, output power and heater resistance.