Model: EN‑208Brand: Emerson Control TechniquesSeries: Epsilon E‑SeriesCore Function: High‑performance digital servo drive for position, velocity and torque motion controlProduct Type: Servo Drive AmplifierKey Specifications: 230V AC 1‑/3‑Phase, Continuous 9.0A RMS, Peak 18.0A RMS, 2.75 kW, IP20, DIN‑rail mountObsolete Status: ObsoleteManualsLib
Product Overview
The Emerson EN‑208 is a compact digital servo drive from the Epsilon E‑Series motion control family. It delivers closed‑loop position, speed and torque control for AC brushless servo motors. Equipped with powerful DSP motion processing, it supports pulse‑direction command, analog reference and fieldbus communication interfaces for integration with PLC and automation controllers. Widely used for retrofitting existing production machinery and precision automation equipment in discrete manufacturing environmentsManualsLib.
Series
Epsilon E‑Series digital servo drives including EN‑204, EN‑208, EN‑214 for a range of power‑level motion control applications.
Product Features
- Multiple control modes: position (pulse command), velocity, torque mode
- Quadrature encoder feedback interface up to 2 MHz differential input
- Opto‑isolated digital inputs and outputs for machine interlock logic
- Analog ±10 V input for speed / torque reference; analog monitor outputs
- Supported fieldbus options: CANopen, DeviceNet
- Configurable via Emerson PowerTools PC software
- Built‑in brake control, shunt regulator support and motor thermal protection
- Diagnostic LED indicators for power, communication and fault status
- DIN‑rail mounting for standard industrial control cabinet installation
- IP20 protection rating, designed for indoor cabinet‑only deployment
- CE compliant for industrial machinery integration
Product Parameters
| Item | Value |
|---|---|
| Model | EN‑208 |
| Input Power | 230 VAC, 1‑phase / 3‑phase, 50‑60 Hz |
| Rated Power | 2.75 kWManualsLib |
| Continuous Output Current | 9.0 A RMSManualsLib |
| Peak Output Current | 18.0 A RMSManualsLib |
| Feedback | Differential RS‑422 / TTL encoder, max 2 MHz |
| Digital I/O | 5 opto‑isolated inputs, 3 opto‑isolated outputs |
| Analog I/O | ±10 V analog input, 2‑channel ±10 V analog monitor output |
| Mounting | DIN‑rail mount |
| Protection Class | IP20 |
| Operating Temperature | 0 °C ~ +50 °C |
| Weight | 2.7 kg |
Product Specifications
- Unit operates with external 230V AC mains supply; separate logic power optional
- No hot‑swap capability; power must be disconnected before wiring modification
- Supports dynamic braking resistor connection for regenerative energy dissipation
- Software parameterization via PowerTools configuration utility
- Compatible with Emerson XV‑series brushless servo motors
- Over‑current, over‑voltage, under‑voltage, over‑temperature and motor thermal fault detection
Function
Receives motion commands from host controller (pulse‑train or analog signal). Executes high‑speed closed‑loop control of servo motor position, rotational speed and output torque. Encoder feedback provides real‑time motor position data to the drive for closed‑loop correction. Digital I/O handles machine interlocks, homing sequences and fault signaling.
Purpose
Provide reliable multi‑mode servo amplification for precision automated machinery, replacing older analog drive systems and enabling accurate synchronized motion sequences.
Application Fields
Packaging machinery, material handling equipment, CNC auxiliary axes, printing machinery, textile production lines, semiconductor handling equipment, automated assembly stations, industrial machine retrofitting projects.Image search keyword: Emerson EN‑208 Epsilon digital servo drive Control Techniques


