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Electronic voltage controller type PXDM6A

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Code: #23123

Supplier: Ziehl Abegg AG

Voltage regulators have been established for many years. These are available as electronic voltage controllers, so-called phase angle control devices, or as transformer-based control devices. Typically, these products are used to control voltage-controllable external rotor motors (asynchronous motors). The advantage of this technology is extremely low investment costs. Electronic voltage regulators are available for rated currents up to 80 A. There are versions for all applications in ventilation technology. Built-in 5-step switches are standard and the products control the motors and fans without generating electronic motor noise.


  • Most ZIEHL-ABEGG external rotor motors are voltage controllable. For simple and cost-effective speed control of these motors or fans, electronic voltage controllers can be supplied.
    For the various applications in refrigeration, air-conditioning and general ventilation technology we supply universal devices from the Ucontrol product family.
    These universal control devices also provide an option to control based on temperature, pressure (for example refrigerant pressure in cooling equipment), differential pressure in ventilation systems, or other physical factors.
    The Ucontrol universal devices are ideal for following applications: refrigeration, air conditioning, agriculture, general air supply and ventilation jobs, clean room technology. By selecting pre-programmed operating modes, fast commissioning for typical applications in the stated sectors is possible.

  • LC multi-function display with plain text display:
    Different menu languages can be selected
    Simple start-up by operating modes:
    Typical operating modes, e.g. for air conditioning, refrigerant or ventilation technology can be selected.
    Simple programmability:
    Typical settings can be made easily: e.g. minimum speed setting, limitation of the maximum speed, inversions and limits. Setting, e.g. for 2-step mode
    2 analog inputs for sensors or setting signals:
    analog input E1 and E2: Setting by operating modes or manually programmable, e.g. 0-10 V, 0-20 mA, 4-20 mA
    analog input E2: programmable, e.g. comparison with sensor 1, difference to sensor 1, average value formation, setpoint setting, setpoint adaptation (e.g. outdoor temperature-dependent)
    2 digital inputs D1 und D2:
    Programmable, e.g. enable, switchover setpoint 1 or 2, switchover control or manual mode, switchover E1 or E2, invert control function, output limitation, display of external fault, reset
    1 analog output A1:
    Setting by operating modes or manually programmable, e.g. output signal proportional to modulation, output signal proportional to input signal, invertible, 10 V constant voltage, group control
    2 digital outputs (relays) K1 and K2:
    Setting by operating modes or manually programmable, e.g. operating indication, fault indication, limits, external fault at digital input, activation of external devices, e.g. heating, shutters, group control, fans, etc.
    Integrated motor protection function:
    Connection possibility for PTC thermistors or alternatively thermostats (TB or TP).
    Interface RS485 MODBUS RTU:
    Integration into bus system
    Interface USB:
    For e.g. software update, communication with PC
    Set protection:
    Activation set protection against unauthorised access, restoration of made settings
    Event memory:
    Querying of occurred events, operating times, etc.
    Standard conformity
    Interference emission according to EN 61000-6-3 (domestic)
    Interference immunity according to EN 61000-6-2 (industrial)