Mitsubishi Electric HF-KP23B MELSERVO-J3 Series AC Servo Motor

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Fabricante: Mitsubishi Electric
Nº do Produto: HF-KP23B
País de origem:Estados Unidos
Tipo de Produto: AC Servo Motors
Pagamento: T/T, Western Union
Peso: 3000g
Dimensões: 240 mm x 180 mm x 160 mm
Porto de embarque: Xiamen
Garantia: 12 meses

Description

Engineered specifically for high-performance motion control, the Mitsubishi Electric HF-KP23B is a low-inertia AC rotary servo motor designed to interface seamlessly within the MELSERVO-J3 series platform. Operating on a 200V AC class power supply, this compact unit delivers a continuous rated output of 0.2 kW and integrates an internal electromagnetic holding brake to secure vertical or mechanical loads during power outages or system disablements. The high-resolution 18-bit encoder ensures ultra-precise feedback for demanding positioning architectures.

Key Features

Electromagnetic Holding Brake: Factory-installed brake for secure position retention in vertical axis applications.
High-Resolution Feedback: Employs an 18-bit absolute/incremental shared encoder providing 262,144 pulses per revolution for refined path accuracy.
Low-Inertia Design: Highly responsive rotor construction allows for rapid acceleration and deceleration cycles.
Environmental Protection: IP65 totally enclosed self-cooling housing prevents ingress of non-corrosive liquids and particulate matter.
Flexible Connectivity: Out-of-the-box support for multiple command interfaces including SSCNET III, CC-Link, and general-purpose pulse/analog control depending on the paired amplifier.

Applications

Vertical motion axes and gravity-loaded Z-axis gantries requiring active mechanical locks.
Pick-and-place electronic assembly systems with rapid positioning requirements.
Packaging, labeling, and continuous-feed material handling equipment.
High-density laboratory automation and semiconductor sorting machinery.

Technical Specifications

Parameter	Specification
Manufacturer	Mitsubishi Electric
Model Number	HF-KP23B
Series	MELSERVO-J3 series
Voltage Class	200V AC
Rated Output	0.2 kW (200 Watts)
Rated Torque	0.64 N-m
Maximum Torque	1.9 N-m (2.23 N-m peak during torque-up)
Rated Rotational Speed	3000 r/min
Maximum Rotational Speed	6000 r/min (Instantaneous allowable: 6900 r/min)
Rated Current	1.4 A
Maximum Current	4.2 A (4.9 A peak during torque-up)
Rotor Moment of Inertia J	0.31 x 10^-4 kg-m2
Encoder Resolution	18-bit (262,144 p/rev) absolute / incremental shared
Brake Type	Electromagnetic holding brake (24V DC excitation)
Protection Structure	IP65 totally enclosed, self-cooling (excluding shaft-through)
Ambient Operating Temp	0 to 40 degC (no freezing)
Compatible Amplifiers	MR-J3-20A, MR-J3-20B, MR-J3-20T, MR-J3W-22B
Country of Origin	Japan
Net Mass	1.6 kg
Shipping Weight (Calculated)	3.0 kg
Package Dimensions (Calculated)	240 mm x 180 mm x 160 mm

Empirical Engineering Insights

Alternative Models & Compatibility

The HF-KP23B features an integrated holding brake, which is mechanically and electrically distinct from the standard, non-brake HF-KP23 model. When migrating or interchanging hardware, verify that the existing cabinet wiring has the brake control circuit routed. This model connects directly to standard MR-J3-20A or MR-J3-20B servo drives.

Application Pitfalls & Engineering Notes

The integrated electromagnetic brake is strictly designed as a holding brake to prevent vertical axes from dropping when power is removed. Under no circumstances should it be used as a dynamic stopping brake to decelerate rotating machinery, as this causes rapid mechanical wear on the brake lining, rendering the unit inoperable. Ensure your configuration commands deceleration through the MR-J3 amplifier prior to de-energizing the brake coils.

Commissioning & Wiring Tips

To prevent electromagnetic interference (EMI) from disrupting the sensitive 18-bit encoder signals, run the motor power/brake leads and the encoder cables in separate shielded conduits. Ensure that the 24V DC brake excitation power supply is isolated and regulated, as voltage fluctuations below 21.6V DC can cause partial brake drag, leading to rapid motor thermal overload and subsequent overcurrent faults on the amplifier.

Installation Guidelines

CRITICAL WARNING: Ensure all primary and auxiliary electrical power sources (200V AC and 24V DC brake supply) are completely de-energized and locked out before attempting physical installation or wiring modifications. Verify charge indicators on the paired MR-J3 amplifier are fully extinguished to prevent electrical shock or sudden axis engagement.

Mount the motor securely to a rigid metal frame. Heat is dissipated primarily through the mounting face, so ensure clean contact with the metal structure to prevent thermal performance degradation.

Align the output shaft precisely with the load coupling. Misalignments exceeding limits can stress the shaft bearings and reduce encoder longevity.

Connect the encoder cable, ensuring the quick-lock connectors are fully seated and sealed. Avoid applying structural load or sharp bends to the cabling adjacent to the strain relief boots.

Establish the 24V DC brake supply circuit, incorporating an external surge absorber (diode) across the brake terminals to clamp inductive voltage spikes when the brake relay is cycled.

Key Features:

#AC Servo Motors #MELSERVO-J3 Series

What is the primary function of the 'B' suffix in the HF-KP23B model number?

The 'B' suffix designates an integrated electromagnetic holding brake, which mechanically locks the motor shaft when control power is lost, preventing axes from drifting under gravitational or external loads.

Can I use the electromagnetic brake to slow down or stop my system in an emergency?

No. The integrated brake is designed strictly for position-holding. Using it dynamically to decelerate an active load will rapidly wear out the friction plates and cause physical failure.

What resolution does the absolute encoder on this motor offer?

This motor is equipped with an 18-bit feedback encoder, delivering a resolution of 262,144 pulses per revolution to ensure high-accuracy positioning.

Which Mitsubishi servo amplifiers are compatible with the HF-KP23B?

The HF-KP23B is natively compatible with the MELSERVO-J3 series 200V amplifier family, specifically models MR-J3-20A, MR-J3-20B, and MR-J3-20T.

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Devoluções e Garantia

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TECHNICAL SPECIFICATIONS

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Mitsubishi Electric HF-KP23B MELSERVO-J3 Series AC Servo Motor