Integrated Actuators

FHA-Mini Integrated Drive CANopen Servo Actuator

Award-winning FHA-C Mini with integrated CANopen servo drive featuring dual absolute encoders and no battery required - winner of SVR Good Robot Innovation Award

ModelFHA-Mini IDT
SeriesFHA-C Mini IDT Series
Global Stock Network Custom Gear Ratios Application Engineering STO Safety Compliant
FHA-Mini IDT product image 1
FHA-Mini IDT
Model

1 / 6 · Click thumbnail to view

FHA-Mini IDT · 6 product images· Contact LVH for CAD files

Product Overview

The FHA-Mini Integrated Drive eliminates external servo drive using CANopen communication with only 4 conductors. Dual absolute encoders: 15bit motor input and 14bit gear output. No battery required for absolute position. Available in FHA-8C FHA-11C FHA-14C with ratios 30 50 100. Mass 0.41 to 1.2 kg. Panel mount connectors with 4 exit options. EN60034-1 safety certified. Won SVR Good Robot Innovation Award.

The FHA-Mini IDT is a fully integrated rotary actuator combining servo motor, harmonic gear reducer, encoders, servo electronics, and compact mechanical packaging in a single assembly.

📐
Outer Diameter
⚖️
Weight
🔩
Hollow Shaft
18 mm
💪
Max Torque
🔄
Max Speed
⚙️
Gear Ratios
🎯
Output Type
Integrated robot joint module

8 Integrated Core Components

Unlike conventional joint assemblies that require separate servo drives, external encoders, and third-party gear units, the FHA-Mini IDT consolidates critical subsystems into a single bolt-on module — reducing wiring complexity and shortening integration time.

Brushless Servo Motor

Optimised for high-cycle duty in collaborative robot applications

⚙️

Harmonic Gear Reducer

Strain-wave gearing in — ratios

📡

Dual Absolute Encoders

High-resolution position feedback for precise closed-loop motion control

🖥️

Integrated Servo Drive

Compact embedded control electronics for simplified system integration

🛑

Friction Brake

Integrated holding brake for gravity-loaded and safety-critical joints

🌡️

Temperature Sensor

Built-in thermal monitoring for continuous-duty protection

📊

Torque Estimation

Supports controlled motion and load monitoring without external sensors

🔩

Through-Bore Design

Enables internal cable routing and cleaner multi-axis packaging

Built-in Servo Drive & Communication Protocols

The onboard servo electronics reduce external cabinet requirements and simplify wiring. Motion control parameters can be tuned through the supported communication interfaces.

Fieldbus Protocols

  • EtherCAT
  • CANopen
  • Modbus
  • RS485 serial interface

I/O & Control Interfaces

  • Analogue command input
  • Pulse & direction control
  • Digital I/O
  • Safe Torque Off (STO)
  • External feedback support on selected versions

Dual Absolute Encoder — Dual-Loop Position Control

Integrated actuator families use feedback architecture intended for accurate closed-loop motion, improved repeatability, and simplified restart after controlled power cycles.

High-res
Encoder Class
Closed-loop
Control Style
Absolute
Position Type
Battery-free
Retention

Exact encoder architecture varies by family and model. Refer to product-specific technical data and RFQ review for confirmation.

Integrated Friction Brake

Gravity-loaded joints may require a holding brake. The FHA-Mini IDT integrates brake functionality within the actuator package for simplified mechanical design.

🎯

Holding Function

Supports static load holding in gravity-loaded axes

Fast Engagement

Integrated design reduces external brake hardware requirements

Position Retention

Supports safer restart behavior after controlled stops

🚨

Safety Integration

Can be paired with STO and controller safety architecture

🤝

Robot Ready

Suitable for compact robotic and automation joint packaging

🔧

Simplified Assembly

Reduces separate brake selection and mounting work

Typical Deployment Environments

The FHA-Mini IDT is suited for collaborative robot arms, humanoid joints, exoskeleton actuation systems, and precision multi-axis automation where compact integrated packaging is important.

Key Specifications

Critical performance parameters at a glance

📊
FHA-8C, FHA-11C, FHA-14C
Available Sizes
📊
30, 50, 100
Gear Ratios
📊
CANopen 4 conductors only
Communication
📊
Dual absolute BiSS-C 15bit motor input and 14bit gear output
Encoders
📊
No battery required for absolute position
Battery Required
📊
24VDC nominal 7VDC to 28VDC range
Power Supply
📊
Panel mount PM1 rear PM2 right PM3 left PM4 top
Connectors
📊
SVR Good Robot Innovation Award winner
Award

Technical Specifications

Overview

Available Sizes
FHA-8C, FHA-11C, FHA-14C
Gear Ratios
30, 50, 100
Communication
CANopen 4 conductors only
Encoders
Dual absolute BiSS-C 15bit motor input and 14bit gear output
Battery Required
No battery required for absolute position
Power Supply
24VDC nominal 7VDC to 28VDC range
Connectors
Panel mount PM1 rear PM2 right PM3 left PM4 top
Award
SVR Good Robot Innovation Award winner

FHA-8C Performance

FHA-8C Ratio 30 Maximum Torque
1.8 Nm
FHA-8C Ratio 100 Maximum Torque
4.8 Nm
FHA-8C Mass
0.41 kg
FHA-8C Allowable Moment Load
15 Nm

FHA-11C Performance

FHA-11C Ratio 30 Maximum Torque
4.5 Nm
FHA-11C Ratio 100 Maximum Torque
11 Nm
FHA-11C Mass
0.63 kg

FHA-14C Performance

FHA-14C Ratio 30 Maximum Torque
9 Nm
FHA-14C Ratio 100 Maximum Torque
28 Nm
FHA-14C Mass
1.2 kg
FHA-14C Allowable Moment Load
75 Nm

Resolution

Gear Output Resolution All Sizes
16384 counts/rev
Motor Resolution Ratio 30
983040 counts/rev
Motor Resolution Ratio 100
3276800 counts/rev

Product Attributes

Product Type
Hollow Shaft Integrated Drive Servo Actuator
Communication
CANopen 4-wire
Encoders
Dual absolute 15bit motor 14bit output
Battery
No battery required
Award
SVR Good Robot Innovation Award
Safety
EN60034-1:2010 EN60034-5
Manufacturer
Harmonic Drive LLC

Industrial Applications

These products support advanced robotics, automation, and industrial motion systems where precision, durability, and integration quality are important.

🏭

Industrial Automation

Used in automation systems where dependable motion performance and integration quality are required.

AutomationIndustrialMotion control
🤖

Robotics

Supports robotic subsystems that require reliable motion, control, or feedback components.

RoboticsPrecisionOEM
⚙️

Machine Building

Integrated into custom equipment and OEM platforms where motion-system performance matters.

Machine buildersOEMIntegration
🔬

Precision Equipment

Applied in specialist systems requiring stable performance, compact packaging, and dependable operation.

PrecisionCompactReliable
📦

Material Handling

Used in handling, transfer, and positioning systems across industrial applications.

HandlingPositioningIndustrial
🛠️

Custom Engineering

Selected for engineered systems where application-specific performance and packaging are critical.

CustomEngineeringSystems
Customization Available

Factory Modification & Custom Sourcing

This product supports custom configurations and equivalent sourcing

Available Modifications

  • Torque and speed ratio customization
  • Mounting interface modifications
  • Connector and wiring specifications
  • Housing and enclosure options

Sourcing Options

  • Standard product sourcing
  • Equivalent product identification
  • Replacement part sourcing
  • Volume pricing (MOQ may apply)

Request Pricing & Availability

Submit an RFQ for standard products, custom configurations, or equivalent alternatives

Expert Answers

Frequently Asked Questions

Technical answers sourced from engineering specifications and integration guides.

The FHA-Mini IDT eliminates the external servo drive using CANopen with only 4 conductors. Features dual absolute encoders with 15-bit motor and 14-bit gear output, no battery needed.

Have a technical question not answered above?

Our application engineers review every RFQ and respond with specification-matched recommendations.

Ask an Engineer