Servo Drives

DDP High Performance DC Digital Servo Drive

High performance DC powered digital servo drive with CANopen and DeviceNet networking for position velocity and torque control of brushless and brush motors supporting RSF FHA SHA and RH actuators

ModelDDP
SeriesDDP Series
Global Stock Network Custom Gear Ratios Application Engineering STO Safety Compliant
DDP product image 1
DDP
Model

DDP · 1 product image· Contact LVH for CAD files

Product Overview

The DDP is a high-performance DC powered drive for position velocity and torque control of brushless and brush motors. Available in DDP-090-09 DDP-090-18 and DDP-090-36 models. DC24V supply for RSF FHA-mini actuators and DC48-90V for SHA series. CANopen/DeviceNet networking. Digital I/O 12 inputs 3 outputs. Dimensions 168 x 99 x 31 mm.

The DDP is a dedicated servo drive for precision motion control, providing communication, control-loop processing, and power delivery for compatible actuators and motors.

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Outer Diameter
⚖️
Weight
🔩
Hollow Shaft
💪
Max Torque
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Max Speed
⚙️
Gear Ratios
🎯
Output Type
Servo drive

Servo Drive Capabilities

Harmonic Drive servo drives are optimised for use with FHA, SHA, RSF, and RKF series actuators. Both AC-line powered and DC-powered variants support position, velocity, and torque control with fieldbus networking and comprehensive digital I/O.

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Fieldbus Networking

EtherCAT, CANopen, DeviceNet, MECHATROLINK-II, and CC-Link options across the series.

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Full Control Modes

Position, velocity, and torque control with CSP, CSV, and CST cyclic sync modes.

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Dedicated Actuator Support

Optimised gain tables and encoder interfaces for Harmonic Drive actuator families.

Autotuning

Automatic servo gain adjustment reduces commissioning time on compatible models.

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Digital I/O

Multiple digital inputs and outputs for PLC integration, safety relays, and position switches.

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Cabinet Mounting

Standard panel mount form factor for industrial control cabinet installation.

Compatible Actuator Families

The DDP is compatible with Harmonic Drive FHA-C, FHA-Mini, SHA, RSF, and RKF series actuators. Contact LVH Systems to confirm the correct drive model and firmware for your specific actuator and application requirements.

Key Specifications

Critical performance parameters at a glance

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DDP-090-09, DDP-090-18, DDP-090-36
Available Models
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DC24V standard or DC48-90V for SHA low voltage
Supply Voltage
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CANopen DeviceNet RS-232
Communication
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Indexer PVT Camming Gearing Position Velocity Torque
Control Modes
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Brushless and brush motors velocity via encoder Halls or BEMF
Motor Types
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12 inputs 3 outputs
Digital I/O
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168 x 99 x 31 mm
Dimensions
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RSF-3B RSF-5A RSF-8B at DC24V
RSF Supermini 14-wire

Technical Specifications

Overview

Available Models
DDP-090-09, DDP-090-18, DDP-090-36
Supply Voltage
DC24V standard or DC48-90V for SHA low voltage
Communication
CANopen DeviceNet RS-232
Control Modes
Indexer PVT Camming Gearing Position Velocity Torque
Motor Types
Brushless and brush motors velocity via encoder Halls or BEMF
Digital I/O
12 inputs 3 outputs
Dimensions
168 x 99 x 31 mm

Compatible Actuators DDP-090-09

RSF Supermini 14-wire
RSF-3B RSF-5A RSF-8B at DC24V
FHA-8C 14-wire
FHA-8C at DC24V
RH-Mini line driver
RH-5A at DC20V RH-8D RH-11D RH-14D at DC24V

Compatible Actuators DDP-090-18

FHA-11C 14-wire
FHA-11C at DC24V
SHA-20A low voltage
SHA-20A ratios above 100:1 at DC48-90V

Compatible Actuators DDP-090-36

RSF-B mini 14-wire
RSF-11B RSF-14B at DC24V
FHA-C 14-wire high power
FHA-14C FHA-17C at DC24V
SHA low voltage
SHA-20A ratios below 100:1 SHA-25A SHA-32A at DC48-90V

Product Attributes

Product Type
DC Digital Servo Drive
Communication
CANopen DeviceNet RS-232
Supply
DC24V or DC48-90V
vs RTL/REL
DC powered vs AC powered CANopen/DeviceNet vs CANopen/EtherCAT
Compatible
RSF FHA SHA RH series
Manufacturer
Harmonic Drive LLC

Industrial Applications

These servo drives are applied in industrial control systems where precise motor control, communication support, and reliable axis management are required.

Servo Motion Control

Controls rotary and linear servo axes in automation systems that need accurate speed, torque, and position regulation.

Motion controlServo axesIndustrial
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Factory Automation

Used in machine tools, packaging lines, assembly equipment, and other automated production systems with networked motor control.

PLCAutomationProduction
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Networked Control Systems

Supports coordinated multi-axis systems where industrial communications and deterministic control matter.

EtherCATFieldbusMulti-axis
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Machine Builder Platforms

Integrated into OEM control cabinets and machine architectures that require compact, dependable servo amplifier solutions.

OEMControl cabinetsMachine builders
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Retrofits & Upgrades

Useful in modernization projects where older motion platforms are upgraded to newer digital servo control hardware.

RetrofitUpgradeControl
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Precision Process Equipment

Applied in systems requiring stable servo behaviour for repetitive, high-accuracy industrial processes.

PrecisionRepeatableIndustrial process
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 DDP is a DC-powered drive for position, velocity, and torque control. Available as DDP-090-09, DDP-090-18, and DDP-090-36. Uses DC24V for RSF and FHA-Mini, DC48-90V for SHA actuators.

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