Description

The BECKHOFF EP3204-0002 EtherCAT Box is a four-channel input module designed for direct connection of resistance thermometers in industrial machine environments without control cabinets. As part of the EtherCAT Box product family, this unit features a rugged IP65, IP66, and IP67 protection rating, allowing it to be mounted directly on plant machinery close to the process sensors.

This module processes signals from various resistance sensors and potentiometers, supporting multiple sensor types including Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, and Ni1000, as well as direct resistance measurement. Sensor connection is accommodated via M12 screw-type connectors configured for two-, three-, or four-wire setups.

Communication with the control system is established via the high-speed EtherCAT protocol, linked through shielded M8 sockets. Power is distributed across the module using M8 connectors for the 24 V DC US supply, ensuring straightforward daisy-chaining and integration into decentralized automation architectures.

Features

Four analog input channels for resistance thermometers and resistance measurement.
• Support for multiple sensor types including Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, and resistive elements.
• Rugged IP65/IP66/IP67 enclosure for direct machine-level mounting in harsh environments.
• Configurable input filter variations and selectable conversion times from 2 ms to 800 ms.
• Integrated open-circuit recognition for enhanced diagnostic reliability.
• EtherCAT communication interface with dual shielded M8 sockets for line topology integration.

Applications

• Decentralized temperature acquisition in machine building and factory automation systems.
• Process temperature monitoring on conveyors, handling equipment, and packaging lines.
• Direct machine-mounted sensor integration in environments requiring high water and dust protection.
• Resistive position and potentiometer feedback in decentralized industrial assemblies.

Technical Specifications

General

Electrical and Input Data

Connections and Interfaces

Environmental and Approvals

Installation Guidelines

1. Verify that the exact model EP3204-0002 matches your system design requirements and part list.
2. Ensure all system power supplies are completely de-energized before mounting or wiring the module.
3. Inspect the module housing, M8 bus sockets, M12 sensor connectors, and seals for any physical damage.
4. Mount the EtherCAT Box securely onto a flat machine surface using appropriate mechanical fasteners.
5. Connect the 24 V DC power supply feed to the designated M8 male socket and downstream connections if applicable.
6. Wire the temperature sensors to the M12 connectors using the correct 2-, 3-, or 4-wire configuration matching your sensor type.
7. Attach shielded EtherCAT cables to the M8 bus sockets to maintain communication integrity.
8. Check all connections, verify potential distribution, and power on the system to perform commissioning through the control software.