Editorial Technical Reference

EtherCAT Controller

This page explains how EtherCAT Controller is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A specialized industrial controller that implements the EtherCAT (Ethernet for Control Automation Technology) protocol for real-time communication in automation systems.

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Product Specifications

Technical details and manufacturing context for EtherCAT Controller

Definition
An EtherCAT Controller is a hardware device that serves as the master station in an EtherCAT network, implementing the real-time industrial Ethernet protocol for deterministic communication between industrial automation components. It manages data exchange between PLCs, motion controllers, and field devices with microsecond-level synchronization precision, enabling high-speed control applications in manufacturing and process automation. The controller is designed for cabinet mounting and operates within a temperature range of -40 to 85 °C, with a power supply of 24 VDC ±10%. It supports communication speeds up to 100 Mbps and can connect up to 65,535 slave devices. The minimum cycle time is 100 μs, with jitter less than 1 ns, ensuring precise timing for control loops. The controller provides two RJ45 EtherCAT IN/OUT interfaces and supports up to 64 interpolated axes. Position accuracy with linear encoders is ±0.01 mm. The protection class is IP20, and the device weighs approximately 0.5 kg with dimensions of 45×100×75 mm (W×H×D). The controller is built with a printed circuit board, integrated circuits, copper connectors, and a plastic housing. It complies with relevant standards such as IEC 61158 for communication, IEC 60068-2-1/2 for temperature, IEC 61131-2 for power supply, ISO 230-2 for position accuracy, IEC 60603-7 for connectors, and IEC 60529 for protection. These standards serve as procurement references; actual compliance must be verified with the manufacturer. The EtherCAT Controller is suitable for high-speed, deterministic control applications in machinery and equipment manufacturing, including motion control, robotics, and process automation. It is essential to confirm model-specific values and standards with the legal manufacturer or supplier before selection.
Working Principle
The EtherCAT Controller operates as the master in a logical ring topology, sending Ethernet frames that pass through each slave device in sequence. Each slave reads and writes data addressed to it as the frame passes through, with processing occurring on-the-fly without storing the frame. The controller uses distributed clocks for precise synchronization and processes the returning frame to extract all slave data, achieving deterministic communication with minimal latency. This on-the-fly processing enables microsecond-level cycle times and low jitter, making it suitable for demanding control applications.
Common Materials
Printed Circuit Board, Integrated Circuits, Copper Connectors, Plastic Housing
Technical Parameters
ParameterTypical rangeNotes & selection driver
Communication SpeedRequired100 MbpsMaximum data transmission rate supported by the controllerIEC 61158
Number of SlavesRequired65535 unitsMaximum number of EtherCAT slave devices that can be connected
Cycle TimeRequired100 μsMinimum achievable communication cycle time for deterministic control
JitterRequired<1 nsMaximum timing variation in communication cycles
Operating TemperatureRequired-40–85 °CTemperature range within which the controller operates reliablyIEC 60068-2-1/2
Power Supply VoltageRequired24 ±10% VDCRequired input voltage for controller operationIEC 61131-2
Number of Axes64Max interpolated axes
Position Accuracy±0.01 mmWith linear encodersISO 230-2
Communication Interface2×RJ45EtherCAT IN/OUTIEC 60603-7
Protection ClassIP20For cabinet mountingIEC 60529
Weight0.5 kgTypical controller
Dimensions (W×H×D)45×100×75 mmDIN rail mount

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • EtherCAT Master Chip
    Implements the EtherCAT protocol stack and manages real-time communication with slave devices
    Material: Silicon semiconductor with integrated circuitry
  • Ethernet PHY Part
    Physical layer transceiver for Ethernet signal transmission and reception
    Material: Integrated circuit with copper interface
  • Processor Unit
    Executes control algorithms and manages data processing for automation tasks
    Material: Microprocessor or microcontroller chip
  • Memory Module
    Stores program code, configuration data, and process variables
    Material: Flash memory and RAM integrated circuits
  • Fieldbus Interface
    Provides connectivity to other industrial networks and field devices
    Material: Integrated circuit with appropriate connectors
  • Diagnostic LEDs Part
    Visual indicators for network status, power, and error conditions
    Material: LED components with plastic lenses
  • Distributed Clocks
    Give the master and slaves a common time base for microsecond synchronisation.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for EtherCAT Controller.

EtherCAT Master Controller EtherCAT Master Real-time Ethernet Controller Industrial Ethernet Controller

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Not applicable (electronic device)
other spec: Humidity: 10% to 90% non-condensing, Vibration: 5-500 Hz at 1G, Shock: 15G for 11ms
temperature: 0°C to 55°C (operating), -40°C to 85°C (storage)
Media Compatibility
✓ Industrial automation networks ✓ Motion control systems ✓ Distributed I/O applications
Unsuitable: High electromagnetic interference environments without proper shielding
Sizing Data Required
  • Number of EtherCAT slaves required
  • Required cycle time/update rate
  • Network topology complexity

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Communication Interruption
Cause: Electromagnetic interference (EMI) from nearby high-power equipment or improper cable shielding, leading to data packet loss or corruption in the EtherCAT network.
Overheating and Component Degradation
Cause: Inadequate ventilation, dust accumulation on heatsinks, or prolonged operation at high load, causing thermal stress on integrated circuits and capacitors.
Maintenance Indicators
  • Intermittent or frequent network error indicators (e.g., flashing red status LEDs on the controller or connected devices)
  • Audible high-pitched whining or buzzing from the controller, indicating capacitor or power supply issues
Engineering Tips
  • Implement strict EMI mitigation: use shielded EtherCAT cables, maintain proper grounding, and ensure physical separation from high-voltage sources and motors.
  • Establish a preventive maintenance schedule: regularly clean air vents and heatsinks, monitor operating temperature with sensors, and perform firmware updates to address known thermal management bugs.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
IEC 61158 Type 12 and IEC 61784-2 CPF 12 (Industrial communication networks - fieldbus specifications and communication profiles for EtherCAT) IEC 61131-2:2017 (Programmable controllers) EN 61000-6-2:2019 (EMC immunity for industrial environments)

Quoted from the published standard.

Manufacturing Precision
  • Signal timing jitter: < 10 ns
  • Connector pin alignment: +/- 0.1 mm
Quality Inspection
  • EMC/EMI compliance testing (EN 55032, EN 55035)
  • Protocol conformance testing (ETG.1000 EtherCAT specification)

Manufacturers of EtherCAT Controller

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

BLIIOT
Shenzhen, Guangdong, CN
Also makes: Industrial Network Switch, Industrial IoT Gateway, HMI Touchscreen and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “IGH EtherCAT Master”
View source page ↗ bliiot.com · checked 2026-09-02
View profile Send enquiry
ICP DAS
Taiwan, CN
Also makes: Signal Conditioning Module, Current Transformer, Remote I/O Module and 7 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “EtherCAT Master”
View source page ↗ icpdas.com · checked 2026-09-02
View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 16 September 2026

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Frequently Asked Questions

What is the maximum number of slaves that can be connected to an EtherCAT Controller?

According to the directory data, the EtherCAT Controller supports up to 65,535 slave devices. However, the actual number may depend on the specific model and network configuration. Always verify with the manufacturer.

What is the minimum cycle time and jitter of the EtherCAT Controller?

The directory lists a minimum cycle time of 100 μs and jitter of less than 1 ns. These values are typical for the controller type and should be confirmed for the specific model.

What are the power supply and operating temperature requirements?

The controller requires a 24 VDC ±10% power supply and operates within a temperature range of -40 to 85 °C. These are standard specifications; verify with the manufacturer for your application.

What communication interfaces does the EtherCAT Controller provide?

It provides two RJ45 EtherCAT IN/OUT interfaces, conforming to IEC 60603-7. This allows for daisy-chaining of devices in the network.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
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