12.F5.A1D-YL00 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The 12.F5.A1D-YL00 is an axis drive from the F5 Combivert Axis Drives series by KEB, designed for elevator drive applications. It features a rated power of 4 kW with input voltage of 400 V and supports motors up to 5 HP. The drive includes two analog and eight digital inputs, 29 control terminals, and comes equipped with a braking transistor.
Internal Product Review
The 12.F5.A1D-YL00 is a KEB Combivert F5 axis drive for elevator applications, rated at 4 kW. A 1 ms I/O scan time and an integrated braking transistor support responsive control and dependable deceleration. The 400 V input makes this drive a strong fit for performance-focused lift systems.
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Product Description:
The 12.F5.A1D-YL00 drive is manufactured by KEB and belongs to the F5 Combivert Axis Drives series. Classified under inverter size code 12, the unit is configured as a dedicated elevator drive for hoisting systems that require smooth acceleration, controlled deceleration, and precise floor leveling. It accepts two encoder inputs for closed-loop speed verification and motion feedback. A standard control board processes command, status, and feedback signals for integration with the elevator control system. The closed-loop architecture allows the drive to monitor motor movement and correct speed deviations caused by changing car loads or counterweight conditions.
Two analog input channels are digitized at 12-bit resolution, while the two analog outputs are generated at 11-bit resolution for feedback to supervisory devices. The drive accepts discrete commands through 8 digital inputs, and each input is evaluated within the processor’s 1 ms cycle time to minimize control latency. The power section operates from a three-phase supply of 400 V. It can provide a continuous motor output of 4 kW, making it suitable for small to midsize elevator machines. The analog channels can carry reference and monitoring signals, while the digital channels handle operating commands and state changes required by the hoisting sequence.
Field wiring is organized across 29 control terminals, which accommodate feedback connections, relay outputs, analog channels, and open-collector drivers. The open-collector drivers can supply up to 50 mA for compatible control devices. Internal logic receives power from a regulated 24 V DC rail, and an external 24 V source can keep the control section active during a loss of main power. This backup connection allows control signals and status information to remain available while the three-phase power section is inactive. A factory-installed braking transistor diverts regenerative energy into an external resistor bank during rapid car deceleration, downward travel, or counterweight imbalance. This arrangement prevents excessive DC-bus voltage when mechanical energy returns to the drive from the elevator system.
