0A.F4.080-0019 KEB
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The KEB 0A.F4.080-0019 is part of the F4 Combivert Frequency Inverters series and provides one analog output, two relay outputs, and one transistor output with a max current of 20 mA. This inverter features four fixed and four programmable digital inputs with a digital input resistance of 2 kΩ, and operates with a digital I/O supply of +15 VDC at 100 mA max.
Internal Product Review
The 0A.F4.080-0019 is a KEB F4 Combivert frequency inverter with 4 fixed digital inputs and 4 programmable digital inputs, giving control architecture useful flexibility. Two relay outputs rated 30 VDC / 1 A support dependable interfacing with external devices, making the unit a strong choice for streamlined inverter control.
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Product Description:
The 0A.F4.080-0019 is a frequency inverter from KEB in the F4 Combivert Frequency Inverters series. Installed in control cabinets, it converts mains power into variable-frequency output for induction motors used in conveyors, pumps, or mixers. By varying output frequency and voltage, the drive lets the connected motor run at a speed that matches process demand instead of operating only at line frequency. Its integrated I/O block links the internal processor with plant sensors and actuators, allowing basic status collection and command issuance through discrete and analog channels.
The control board sources field devices with +15 VDC / 100 mA maximum, removing the need for an external logic supply. Each input presents a 2 kΩ impedance, and the unit provides four fixed digital inputs so limit switches or proximity sensors can be connected without exceeding standard sink-current ratings. In addition to those inputs, there is one differential voltage input for speed reference and one analog output for process feedback. Relay contacts switch loads up to 30 VDC / 1 A, and the open-collector transistor channel can drive indicators or opto-isolated boards at up to 20 mA maximum. These interface points allow the inverter to exchange basic run, fault, and reference signals with surrounding control hardware without requiring a separate interface module.
An internal setpoint source delivers +10 VDC / 4 mA maximum for potentiometer scaling. The same digital inputs can be assigned functions such as jog, enable, or fault reset without rewiring, which helps the unit adapt to different control schemes. For output signaling, the unit provides two relay outputs for status contacts and one transistor output for high-speed logic, and it also includes one multifunction analog input that accepts current or voltage signals. That analog input can be used where the controller or a local reference device sends a process-related command signal. Mechanical braking commands are not provided, so the drive relies on motor regeneration or an external brake when rapid stopping is required.
