Fieldbus Interface for EtherCAT Controllers | Industrial Automation Component

Product Specifications

Technical details and manufacturing context for Fieldbus Interface

Definition

The Fieldbus Interface is a critical component within an EtherCAT Controller that provides connectivity to different industrial fieldbus protocols. It serves as a gateway between the high-speed EtherCAT network and other field-level networks, allowing for integration of diverse devices and systems in automated manufacturing environments. This interface handles protocol conversion, data mapping, and real-time communication synchronization. It supports multiple fieldbus protocols including PROFIBUS, DeviceNet, CANopen, and Modbus RTU, with a configurable number of channels ranging from 2 to 8. The baud rate varies from 9.6 kbps to 12000 kbps depending on the protocol used. The EtherCAT cycle time can be set between 0.1 ms and 10 ms, meeting IEC 61158 requirements for real-time control. The module operates on a 24 V DC power supply with a tolerance of ±10% and features reverse polarity protection. Current consumption is typically between 0.2 A and 0.5 A at 24 V DC with no load. It is designed for cabinet installation with an IP20 protection rating per IEC 60529. The operating temperature range is -20°C to 60°C, and storage temperature ranges from -40°C to 85°C, both non-condensing, per IEC 60068-2-1/2. Humidity tolerance is 5% to 95% RH non-condensing per IEC 60068-2-78. Isolation voltage between fieldbus and EtherCAT is 500 V AC per IEC 61010-1. The module measures 45 mm x 100 mm x 115 mm (W x H x D) and weighs between 0.2 kg and 0.4 kg depending on configuration. It is mounted on a DIN rail. The Fieldbus Interface is constructed with a printed circuit board, integrated circuits, and connectors. For specific model details, always verify with the legal manufacturer or supplier.

Working Principle

The Fieldbus Interface operates by receiving EtherCAT frames from the controller, extracting relevant process data, converting it to the target fieldbus protocol format (such as PROFIBUS, DeviceNet, or Modbus), and transmitting it to connected field devices. It also receives data from field devices, converts it back to EtherCAT format, and passes it to the controller for processing. This bidirectional communication enables seamless integration of legacy fieldbus systems with modern EtherCAT networks.

Common Materials

Printed Circuit Board (PCB), Integrated Circuits, Connectors

Technical Parameters

Parameter	Typical range	Notes & selection driver
Number of Channels	2–8	Number of fieldbus channels supported
Baud Rate	9.6–12000 kbps	Depends on fieldbus protocol
Protocol Support	PROFIBUS, DeviceNet, CANopen, Modbus RTU	Selectable via configuration
EtherCAT Cycle Time	0.1–10 ms	Minimum cycle time for real-time controlIEC 61158
Power Supply Voltage	24 ±10% V DC	Reverse polarity protection
Current Consumption	0.2–0.5 A	At 24 V DC, no load
Operating Temperature	-20–60 °C	Extended range on requestIEC 60068-2-1/2
Storage Temperature	-40–85 °C	Non-condensingIEC 60068-2-1/2
Humidity	5–95 % RH	Non-condensingIEC 60068-2-78
Protection Rating	IP20	For cabinet installationIEC 60529
Isolation Voltage	500 V AC	Between fieldbus and EtherCATIEC 61010-1
Dimensions (W x H x D)	45 x 100 x 115 mm	DIN rail mounting
Weight	0.2–0.4 kg	Depends on configuration

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

Protocol Processor
Handles protocol conversion between EtherCAT and target fieldbus protocols

Material: Integrated Circuit
Communication Ports Part
Physical connectors for fieldbus network connections

Material: Metal Alloy
Signal Conditioning Circuitry
Ensures proper signal levels and noise immunity for reliable communication

Material: Electronic Components

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Fieldbus Interface.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

EtherCAT Controller

View system integration details

Manufacturers of Fieldbus Interface

Manufacturer profiles associated with Fieldbus Interface.

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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 fieldbus protocols are supported by the Fieldbus Interface?

The Fieldbus Interface supports PROFIBUS, DeviceNet, CANopen, and Modbus RTU. The specific protocol is selectable via configuration. Always verify protocol support for your specific model with the manufacturer.

What is the operating temperature range of the Fieldbus Interface?

The operating temperature range is -20°C to 60°C, and the storage temperature range is -40°C to 85°C, both non-condensing. These values are per IEC 60068-2-1/2. Confirm actual limits for your application.

How is the Fieldbus Interface powered?

It requires a 24 V DC power supply with a tolerance of ±10% and has reverse polarity protection. Current consumption is typically 0.2 to 0.5 A at 24 V DC with no load. Check the manufacturer's datasheet for exact requirements.

What is the isolation voltage between fieldbus and EtherCAT?

The isolation voltage is 500 V AC per IEC 61010-1. This is a reference value; always verify with the manufacturer for your specific model and installation.

Data Basis

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

Preliminary Technical Classification

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pressure:	Not applicable (electronic module)
other spec:	IP20 protection rating, 24V DC power supply
temperature:	-25°C to +70°C

Fieldbus Interface

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards