Product Description:

The 12.F5.A1D-Y001 is an AC axis drive produced by KEB for the F5 Combivert Axis Drives series. It is designed to modulate three-phase motor speed and torque through pulse-width modulation so that conveyor lines, pumps, or positioning tables can run at application-specific profiles. Acting as the power stage between a controller and a motor circuit, the unit supports dynamic acceleration, controlled deceleration, and energy dissipation during braking. Its inverter section regulates motor current in response to control commands, helping the axis remain stable as load demand changes. This makes it suitable for installations where the drive must adapt quickly to process changes without abrupt torque response.

The drive uses frame size 12, which gives it fixed mounting dimensions and heat-sink capacity for machines in the 200 mm width class. Its DC link is optimized for a mains supply of 400 V, and the power section can deliver a continuous output of 9.5 A RMS to the connected motor windings. Carrier signals are modulated at 2 kHz, a switching frequency that balances acoustic noise against semiconductor losses. When paired with a standard induction motor, the inverter supports up to 5 HP of mechanical output. That power range suits compact machinery such as small extruders, mixers, and indexing axes. The current rating also helps prevent oversizing in cabinets where thermal headroom is limited.

A standard control board ships preinstalled; it contains the analog and digital I/O needed for start, stop, and speed-reference commands without additional option cards. For energy management during rapid stops, a factory-mounted braking transistor routes excess DC link voltage to an external resistor, which helps keep the DC bus within its operating range during deceleration. Feedback wiring is simplified because the unit has no encoder interface for an incremental or absolute encoder, so speed is inferred from the motor model and current vectors. This arrangement is suitable for applications that do not require direct motor-position feedback. The drive belongs to the Combivert F5 product line, and its parameter structure, keypad layout, and fieldbus expansion match the rest of the series.