15.F5.MDD-Y0P0 KEB
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The 15.F5.MDD-Y0P0 is a closed loop field-oriented control drive by KEB, part of the F5 Combivert Axis Drives series. It supports three-phase asynchronous motors with a general maximum motor power of 15 HP and is compatible with 400 V AC or AC/DC supply. This drive features a DC-voltage link inverter topology, a rated switching frequency of 2 kHz, and a 15-pole TTL incremental feedback interface with a maximum feedback frequency of 300 kHz.
Internal Product Review
The 15.F5.MDD-Y0P0 is a KEB F5 Combivert axis drive for three-phase asynchronous motors using closed loop field-oriented control. AC or AC/DC supply compatibility and a 400 V class design make integration straightforward in varied drive cabinets. Strong overload handling is a standout, with 125% short-time current and a 150% overcurrent trip.
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Product Description:
The 15.F5.MDD-Y0P0 belongs to the F5 Combivert Axis Drives series manufactured by KEB. It functions as a variable-speed inverter that regulates three-phase asynchronous motors in automated machinery through closed-loop, field-oriented control. By modulating stator frequency and torque in real time, the unit synchronizes axis motion with process demands while maintaining stable operation on the plant power system. This control method supports accurate speed and torque response during changing loads, acceleration, and deceleration.
The drive delivers up to 15 HP of mechanical output under its general-application and 230 V Unit B operating conditions. It is assigned inverter size code 15, which indicates its mechanical frame and power section. The input supports either an AC supply or a combined AC/DC connection, providing flexibility for different power system arrangements. The voltage class is supported by an internally fused DC link rated for 400 V. Protective logic disables the output if phase current rises to 150% of the nominal value, helping protect the inverter and connected motor from excessive current. A short-term overload capacity of 125% supports brief acceleration demands without continuous derating. The power transistors operate at 2 kHz, balancing audible noise against switching losses in the semiconductor stage. Field-oriented algorithms continually reference the motor model so the inverter can maintain vector alignment and precise torque during load changes.
The control board does not contain an additional encoder feedback card, but its built-in TTL incremental interface supports a bandwidth of 300 kHz. Two feedback channels receive rectangular signals through a 15-pole connector powered by a stabilized +5 V supply. A 150-ohm line termination maintains signal integrity, while the rectangular waveform supports reliable edge detection by the digital feedback circuitry. The high interface bandwidth allows the closed control loop to process motor position updates rapidly during dynamic axis movement. The inverter uses a DC-voltage link topology, allowing its intermediate circuit to share power with other compatible axes.
