Resolver Servo Drives
Last Updated: January 31, 2025
Description
Resolver Servo Drives are specialized devices that provide electrical outputs to servo motors within closed-loop motion control systems. These drives are responsible for optimizing the position, speed, and accuracy of the motors by using positional feedback and corrective signals. They control one or more axes and can provide either analog or digital control signals, often featuring integral motion controllers .
Working Principle
Resolver Servo Drives operate by utilizing advanced control algorithms and feedback mechanisms to ensure precise motor operation. They incorporate technologies such as field-oriented control (FOC) algorithms, which allow for precise control of the motor's magnetic field, and advanced position sensing technologies like encoder feedback and Hall-effect sensors. These features enable the drives to maintain the desired speed, torque, and position of the motor, making them highly useful in applications requiring precise motion control .
Applications
Unfortunately, specific applications for Resolver Servo Drives are not detailed in the provided documents. However, servo drives in general are used in various industrial applications where precise control of motor position, speed, and torque is required .
Advantages over other Servo Drives
Resolver Servo Drives offer several advantages over other types of servo drives. They provide improved energy efficiency, reduced noise and vibration, and increased reliability and durability of the motor and drive system. These benefits are achieved through the implementation of sophisticated control algorithms and feedback mechanisms, which ensure optimal motor performance .
Limitations
The specific limitations of Resolver Servo Drives are not detailed in the provided documents. However, it is generally understood that all servo drives may have limitations related to their electrical ratings, operating parameters, and configurations .
Considerations
When considering Resolver Servo Drives, it is important to evaluate factors such as initial costs, operating expenses, durability, accuracy, and replacement and maintenance costs. These drives may require a higher initial investment due to their advanced features and technologies. However, their improved efficiency and reliability can lead to lower operating expenses over time. Durability and accuracy are enhanced by the sophisticated control algorithms and feedback mechanisms, but maintenance and replacement costs should be considered as part of the overall lifecycle cost .
from ElectroCraft
The ElectroCraft PRO Series Programmable Servo Drives are based on a new design concept offering a cost effective, compact and modular solution for the control of rotary or linear brushless, stepper or PMDC brush motors of powers up to 1600W, with 80V nominal voltage. Designed to support both low... [See More]
- Servo Feedback: Hall Effect; Resolver; Incremental Encoder; Sine / Cosine
- Axes: 1.0
- Description: Speed Controller
- Commutation: Sinusoidal; Trapezoidal
from PERFORMANCE CONTROLS, INC.®
The ACD Series of four-quadrant AC motor servo drives utilizes a high performance Digital Signal Processor (DSP), high efficiency MOSFETS, and proprietary control techniques to perform smooth, reliable motor control functions with a high degree of flexibility. Parameters are available to optimize... [See More]
- Servo Feedback: Resolver; Absolute Encoder
- Drive Architecture: Digital
- Description: Speed Controller
- Motor / System: AC Servo
from Nidec Control Techniques
Unidrive M motor controls have superior open and closed loop control of AC induction, permanent magnet and servo motors, and deliver maximum machine throughput. Available onboard real-time Ethernet (IEEE 5188) models provide highly accurate drive-to-drive synchronization solutions. Scalable machine... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder
- Axes: 1.0
- Description: Speed Controller; Variable Speed; Regenerative
- Motor / System: Sensorless Vector; Vector Feedback; AC Servo
from Parker Hannifin / Automation / Electromechanical Division - Europe
Drive for Brushless Motors. TWIN: Two SPD drives in one case with the same dimensions. Resolver, incremental encoder and SinCos+EnDat absolute encoder (optional) feedback. Positioner with speed trapezoidal profile. Digital lack with variable ratio and phase correction. Electronic cam. Built-in PLC... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder (optional feature); Sine / Cosine (optional feature)
- Axes: 1.0
- Drive Architecture: Digital
- Commutation: Trapezoidal
from Aerotech, Inc.
Design Features. Output power of 10 A peak. 2-phase AC line input. CE approval. Linear power stages. Digital current, velocity, and position loops for improved motion stability. Optional integrated encoder multiplier for higher throughput and reduced wiring. Flexible design provides ability to drive... [See More]
- Servo Feedback: Hall Effect; Resolver; Absolute Encoder; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: PC-Based; Amplifier
- Motor / System: Voice Coil
from Kollmorgen Corporation
The S700 is a digital servo drive with extended functionality that is ideal for complex drive tasks. It incorporates onboard Ethernet connectivity for use with EtherCAT ® and SynqNet ™, and the optional MMC memory card enables parameter records and firmware to be easily backed up in the... [See More]
- Servo Feedback: Hall Effect; Resolver; Incremental Encoder; Other; Single Cable Feedback SFD3 and Hiperface DSL
- AC Input: 110 to 480
- Drive Architecture: Digital
- Phase : Single Phase; Three Phase
from Galil
The CDS-3310 is a single-axis controller and drive system for precisely controlling a brush or brushless servo motor. It combines a high-performance, programmable motion controller with a 500W PWM drive in a compact, cost-effective package. The CDS-3310 provides a 10/100 Base-T Ethernet port and up... [See More]
- Servo Feedback: Hall Effect; Resolver; Tachometer; Incremental Encoder; Absolute Encoder (optional feature); Analog Position; Other; Auxiliary Encoder
- Drive Architecture: Analog; Digital
- Description: PC-Based; Amplifier; Pulse Width Modulation Drive; MCU; Controller / Drive
- Axes: 1.0
from PERFORMANCE CONTROLS, INC.®
The ACD 4000 is a fully digital servo amplifier designed for long life in extended temperature environments for applications such as RADAR, Power Generation, and other remote applications without environmental controls. The amplifier can control up to a 4000 Watt (5HP) BLDC servo motor in torque or... [See More]
- Servo Feedback: Resolver
- Drive Architecture: Digital
- Description: Speed Controller
- Motor / System: DC Servo
from Nidec Control Techniques
Unidrive M motor controls have superior open and closed loop control of AC induction, permanent magnet and servo motors, and deliver maximum machine throughput. Available onboard real-time Ethernet (IEEE 5188) models provide highly accurate drive-to-drive synchronization solutions. Scalable machine... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder
- Axes: 1.0
- Description: Speed Controller; Variable Speed; Regenerative
- Motor / System: Sensorless Vector; Vector Feedback; AC Servo
from Parker Hannifin / Automation / Electromechanical Division - Europe
Compact Digital Servo Drive. From 1.25Arms to 15Arms continuous current. 230 VAC, 1 and 3 phase operation. Internal braking resistor. Resolver and incremental encoder feedback. +-10V velocity and torque control, Step & direction input for position control, Current, torque and speed control. [See More]
- Servo Feedback: Resolver; Incremental Encoder
- Axes: 1.0
- Drive Architecture: Digital
- Motor / System: AC Servo
from Aerotech, Inc.
Design Features. Output power range 10 A peak to 30 A peak at 320 VDC. Single-phase AC line input. CE approved and UL listed. PWM power stages. Digital current, velocity, and position loops for improved motion stability. Optional integrated encoder multiplier for higher throughput and reduced... [See More]
- Servo Feedback: Hall Effect; Resolver; Absolute Encoder; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: PC-Based; Amplifier
- Resolution: 16
from Kollmorgen Corporation
The decentralized drive system consists of a central power supply and robust IP67 rated servo drives, which are placed nearby the motor. The system offers everything that is needed for the next generation of machine design - and removes everything that hinders the simplicity. Power supply as well as... [See More]
- Servo Feedback: Hall Effect; Resolver; Other; BISS-C, Comcorder, Endat 2.1 and 2.2, Hiperface
- Drive Architecture: Digital
- Description: Multi-Axis; Amplifier
- AC Input: 400 to 480
from Nidec Control Techniques
Unidrive M motor controls have superior open and closed loop control of AC induction, permanent magnet and servo motors, and deliver maximum machine throughput. Available onboard real-time Ethernet (IEEE 5188) models provide highly accurate drive-to-drive synchronization solutions. Scalable machine... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder
- Axes: 1.0
- Description: Speed Controller; Variable Speed; Regenerative
- Motor / System: Sensorless Vector; Vector Feedback; AC Servo
from Parker Hannifin / Automation / Electromechanical Division - Europe
The Aries Controller combines the versatile and cost-effective Aries digital servo drive platform with the advanced control capabilities of the ACR servo controller into a single product, the Aries Controller single-axis drive-controller. Ethernet TCP communications. 3 power levels up to 6.3A... [See More]
- Servo Feedback: Resolver; Absolute Encoder
- Drive Architecture: Analog
- Description: Controller / Drive
- Axes: 1.0
from Aerotech, Inc.
Design Features. Output power range of 10 or 20 A peak. Single-phase AC line input. CE approval. Linear power stages. Digital current, velocity, and position loops for improved motion stability. Optional integrated encoder multiplier for higher throughput and reduced wiring. Flexible design provides... [See More]
- Servo Feedback: Hall Effect; Resolver; Absolute Encoder; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: PC-Based; Amplifier
- Motor / System: Voice Coil
from Kollmorgen Corporation
The Kollmorgen AKD ® Series includes a complete range of Ethernet-based servo drives that are fast, feature-rich, flexible and easy to integrate into any application. These next-generation drives offer plug-and-play commissioning for instant, seamless access to everything in your machine. Paired... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Sine / Cosine; Other; Smart Feedback Device, EnDat2.2, 01, BiSS, HIPERFACE
- Drive Architecture: Digital
- Description: Multi-Axis (optional feature)
- Resolution: 27
from Nidec Control Techniques
Unidrive M motor controls have superior open and closed loop control of AC induction, permanent magnet and servo motors, and deliver maximum machine throughput. Available onboard real-time Ethernet (IEEE 5188) models provide highly accurate drive-to-drive synchronization solutions. Scalable machine... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder
- Axes: 1.0
- Description: Speed Controller; Variable Speed; Regenerative
- Motor / System: Sensorless Vector; Vector Feedback; AC Servo
from Parker Hannifin / Automation / Electromechanical Division - Europe
Available in both 120/240 VAC and 480 VAC input versions. Current output from 2.5A RMS continuous to 155A RMS continuous. Available with ETHERNET Powerlink. Certified Category 3 Safety (EN954-1 Cat. 3). Programs in all five IEC61131-3 International programming standard. Scalable control technology:... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Sine / Cosine; Other; Stegmann Feedback
- Drive Architecture: Analog
- Description: Regenerative; Controller / Drive
- Axes: 1.0
from Aerotech, Inc.
Design Features. Wide output power range from 10 A peak to 150 A peak at 320 VDC. 3-phase AC line input. CE approved and UL listed. PWM power stages. Digital current, velocity, and position loops for improved motion stability. Optional integrated encoder multiplier for higher throughput and reduced... [See More]
- Servo Feedback: Hall Effect; Resolver; Absolute Encoder; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: PC-Based; Amplifier
- Resolution: 16
from Nidec Control Techniques
Unidrive SP drives can be configured to operate in the following modes: Open-loop V/Hz AC drive. Open-loop Vector AC drive. Open-loop Rotor Flux Control (RFC). Closed-loop Vector AC drive. Servo for synchronous permanent magnet motors / brushless servo motors. The drives are easy to install and... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder; Analog Position; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: Speed Controller; Variable Speed; Regenerative
- Axes: 1.0
from Parker Hannifin / Automation / Electromechanical Division - Europe
ETHERNET Powerlink expands the ACR9000 family by adding real-time motion control over standard Ethernet. The high-speed digital communications network enhances machine performance and configuration possibilities while reducing set-up time and installation complexity. Control of 16 ETHERNET Powerlink... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder
- Axes: 1.0
- Description: Controller / Drive
- Resolution: 12
from Aerotech, Inc.
Design Features. Output power of 10 A peak. DC input. CE approval. Linear power stages. Digital current, velocity, and position loops for improved motion stability. Optional integrated encoder multiplier for higher throughput and reduced wiring. Flexible design provides ability to drive brushless... [See More]
- Servo Feedback: Hall Effect; Resolver; Absolute Encoder; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: PC-Based; Amplifier
- Motor / System: Voice Coil
from Nidec Control Techniques
Unidrive SP drives can be configured to operate in the following modes: Open-loop V/Hz AC drive. Open-loop Vector AC drive. Open-loop Rotor Flux Control (RFC). Closed-loop Vector AC drive. Servo for synchronous permanent magnet motors / brushless servo motors. The drives are easy to install and... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder; Analog Position; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: Speed Controller; Variable Speed; Regenerative
- Axes: 1.0
from Parker Hannifin / Automation / Electromechanical Division - Europe
Feedback supported: Resolver, SinCos, SinCos + EnDat, SinCos + Hiperface, SinCos (1 per pole pitch), Quadrature, Quadrature + Hall, SinCos + Hall, EnDat 2.2. Auxiliary Encoder: 1 in input and 1 in output for each axis. I/O: 4 digital Input, 2 digital output, 1 analog input and 1 analog output for... [See More]
- Servo Feedback: Hall Effect; Resolver; Incremental Encoder; Sine / Cosine
- Drive Architecture: Digital
- Description: Multi-Axis
- Axes: 1.0 to 3.0
from Aerotech, Inc.
Design Features. Output power range up to 10 A peak. DC input. CE approved and UL listed. PWM power stages. Digital current, velocity, and position loops for improved motion stability. Optional integrated encoder multiplier for higher throughput and reduced wiring. Flexible design provides ability... [See More]
- Servo Feedback: Hall Effect; Resolver; Absolute Encoder; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: PC-Based; Amplifier
- Resolution: 16
from Nidec Control Techniques
Unidrive SP drives can be configured to operate in the following modes: Open-loop V/Hz AC drive. Open-loop Vector AC drive. Open-loop Rotor Flux Control (RFC). Closed-loop Vector AC drive. Servo for synchronous permanent magnet motors / brushless servo motors. The drives are easy to install and... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder; Analog Position; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: Speed Controller; Variable Speed; Regenerative
- Axes: 1.0
from Parker Hannifin / Automation / Electromechanical Division - Europe
Fully digital design. Field-oriented control for improved low-speed performance. Panel or DIN rail mounting. 2.5A & 5.0A RMS rating. Up to 80V DC bus. Built-in controller using Parker's proven EASI code. Powerful front-end software - EASI-V. Programmable resolution. Optional CANopen/RS485... [See More]
- Servo Feedback: Resolver; Incremental Encoder
- Drive Architecture: Digital
- Description: Pulse Width Modulation Drive
- Axes: 1.0
from Nidec Control Techniques
Unidrive SP drives can be configured to operate in the following modes: Open-loop V/Hz AC drive. Open-loop Vector AC drive. Open-loop Rotor Flux Control (RFC). Closed-loop Vector AC drive. Servo for synchronous permanent magnet motors / brushless servo motors. The drives are easy to install and... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder; Analog Position; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: Speed Controller; Variable Speed; Regenerative
- Axes: 1.0
from Nidec Control Techniques
Unidrive SP drives can be configured to operate in the following modes: Open-loop V/Hz AC drive. Open-loop Vector AC drive. Open-loop Rotor Flux Control (RFC). Closed-loop Vector AC drive. Servo for synchronous permanent magnet motors / brushless servo motors. The drives are easy to install and... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder; Analog Position; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: Speed Controller; Variable Speed; Regenerative
- Axes: 1.0
from Nidec Control Techniques
Unidrive SP drives can be configured to operate in the following modes: Open-loop V/Hz AC drive. Open-loop Vector AC drive. Open-loop Rotor Flux Control (RFC). Closed-loop Vector AC drive. Servo for synchronous permanent magnet motors / brushless servo motors. The drives are easy to install and... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder; Analog Position; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: Speed Controller; Variable Speed; Regenerative
- Axes: 1.0
from Nidec Control Techniques
Unidrive SP drives can be configured to operate in the following modes: Open-loop V/Hz AC drive. Open-loop Vector AC drive. Open-loop Rotor Flux Control (RFC). Closed-loop Vector AC drive. Servo for synchronous permanent magnet motors / brushless servo motors. The drives are easy to install and... [See More]
- Servo Feedback: Resolver; Incremental Encoder; Absolute Encoder; Analog Position; Sine / Cosine
- Drive Architecture: Analog; Digital
- Description: Speed Controller; Variable Speed; Regenerative
- Axes: 1.0