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16.F5.CDE-340A KEB

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The KEB 16.F5.CDE-340A is part of the F5 Combivert Axis Drives series and supports input voltages of 400 V AC/DC with a 3-phase configuration. The drive offers up to 20 horsepower motor power, a maximum output frequency of 800 Hz, and supports eight digital inputs and two analog inputs. It has a rated current of 33 Amps and a maximum current of 59 Amps.

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Product Description:

The 16.F5.CDE-340A is an AC drive controller produced by KEB as part of the F5 Combivert Axis Drives series. It converts fixed-frequency AC power into adjustable output for closed-loop control of induction or permanent-magnet motors on automated machinery. Designed for cabinet integration, the unit follows housing form factor code E and inverter size code 16, giving it a consistent footprint across the product family. By coordinating speed and torque, the drive supports coordinated motion, energy savings, and reduced mechanical stress in conveyors, extruders, and positioning stages.

The power stage accepts a nominal bus of 400 V AC/DC from a three-phase supply and can deliver up to 59 A of output current. Maximum fundamental frequency reaches 800 Hz, while carrier modulation is selectable up to 16 kHz; these wide ranges let the drive support different motor acoustics and dynamic response. The nominal carrier default is 2 kHz, balancing switching loss with torque ripple. Two analog inputs and two analog outputs handle setpoints or feedback such as speed demand and process signals. Eight digital inputs accommodate start, enable, or limit commands, and two relay outputs provide fault or ready status to higher-level controllers. An incremental encoder interface with initiator feedback allows precise velocity and position monitoring, and standard cooling draws air through the heat sink without auxiliary blowers.

The drive supports motors to 20 HP at 400 V and repeats that rating for 230 V units labeled B. Continuous operation uses a rated armature current of 33 A, while short-term overload capability is specified at 150% In, enabling fast acceleration or disturbance recovery. A control scan time of 2 ms aligns the internal regulation loops with high-resolution encoder data, improving stiffness under load changes.

Analog Inputs
2
Analog Outputs
2
Control Scan Time
2 ms
Cooling Type
Standard
Digital Inputs
8
Encoder Interface
Inc. Input And Initiator
General Max Motor Power (HP)
20
Housing Form Factor Code
E
Input Phase
3-Phase
Input Voltage
400 V AC/DC
Inverter Size Code
16
Max Current
59 A
Max Motor Power (HP) - 230V - Unit B
20
Max Output Freq
800 Hz
Max Switch Freq
16 kHz
Nominal Switch Freq
2 kHz
Product Series
Combivert F5
Rated Current
33 A
Relay Outputs
2
Short-time Current
150% In

Frequently Asked Questions about 16.F5.CDE-340A:

Q: What is the maximum supported motor power for the 16.F5.CDE-340A at 230V?

A: The 16.F5.CDE-340A axis drive supports up to 20 HP of motor power at 230V, making it suitable for medium to high-power applications.

Q: What is the maximum output current available on the 16.F5.CDE-340A?

A: This drive can deliver a maximum output current of 59 A, allowing it to handle significant load requirements.

Q: How many digital inputs are included with the 16.F5.CDE-340A drive?

A: There are 8 digital inputs provided for flexible I/O integration with external controls and sensors.

Q: What is the maximum output frequency capability of the 16.F5.CDE-340A?

A: The maximum output frequency is 800 Hz, which enables the drive to operate motors at higher speeds when needed.

Q: What is the control scan time specification for the 16.F5.CDE-340A?

A: The control scan time for this axis drive is 2 ms, supporting responsive and precise control operations.

Error Code (Display) Meaning / Likely Cause Quick Fix / First Checks
E.OC – Over-Current Output current has exceeded the peak limit (short ramp, heavy load, short-circuit). Lengthen accel/decel ramps, reduce load, inspect motor & cable for shorts.
E.OP – Over-Voltage DC-link voltage too high (input line high, braking energy returned too fast). Verify input voltage, add / test brake resistor, extend decel ramp.
E.UP – Under-Voltage DC-link voltage below limit (weak or unstable supply). Check mains for correct voltage & phase balance, inspect supply wiring/transformer.
E.UPh – Phase Failure One input phase missing or severely unbalanced. Measure line voltage on all phases, locate loose fuse, contactor, or cable.
E.OH – Power-Module Overheat Heatsink temperature above safe level (blocked airflow, high ambient). Clean fans/heatsink, ensure ≥ 150 mm clearance, lower duty cycle until cool.
E.OH2 – Motor Protection Motor-thermal relay tripped (motor overheating). Verify motor load, cooling fan, encoder alignment; allow motor to cool.
E.OHI – Internal Overheat Control section temperature high. Improve cabinet ventilation, check ambient temp, clear dust, wait for cooldown.
E.OL – Overload (I×t) Sustained over-current beyond thermal model limit. Check mech
Drive Part No. Rated Power (kW) Rated Output Current (A) Housing Size
16.F5.CDE-340A 15 kW 43 A E
16.F5.C1E-340A 15 kW 33 A E
15.F5.C1E-350A 11 kW 24 A E
14.F5.C1D-380A 7.5 kW 16.5 A D
12.F5.C1B-350A 4 kW 9.5 A B
10.F5.C1B-3A0A 2.2 kW 5.8 A B
Error Code Fault Name
E.OC Over-Current
E.OP Over-Voltage
E.UP Under-Voltage
E.UPh Phase Failure
E.OH Power-Module Overheat
E.OH2 Motor Overheat
E.OHI Control Overheat
E.OL Overload (I×t)
E.OS Over-Speed
E.Pu Power-Unit Fault

Internal Product Review

  • ‘‘The 16.F5.CDE-340A is a KEB F5 Combivert axis drive built for 3-phase 400 V AC/DC systems. Rated at 33 A with output frequency up to 800 Hz, the drive gives strong speed range and dependable response in motion control service. A 2 ms control scan time supports crisp command handling, making this axis drive a very capable choice for demanding applications.’’

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