BECKHOFF EPP3204-0002 EtherCAT P Box 4-Channel RTD Input Module

Description

Designed for direct field installation without a control cabinet, the Beckhoff EPP3204-0002 serves as an industrial EtherCAT P Box engineered for high-precision temperature and resistance measurement. This robust module features four analog inputs that can be individually configured to interface with various Resistance Temperature Detectors (RTDs), including Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, and Ni1000 sensors. It also supports direct resistance measurements from 10 Ohm up to 4 kOhm, making it suitable for applications utilizing potentiometers and variable resistance transmitters.

Field communication is established using highly integrated M8 connection interfaces carrying EtherCAT P, which combines EtherCAT data and system power into a single cable. Configurable parameters like input filters and sensor connection methods (2-, 3-, or 4-wire) provide exceptional field-level adaptability. Built to withstand challenging environments, the module features a fully sealed housing suitable for direct machine mounting in automated processing and manufacturing lines.

Features

• Four independent, configurable analog channels for RTD temperature and resistance measurement.
• Supports flexible sensor connection methods including 2-, 3-, and 4-wire configurations via M12 screw-type connectors.
• Fast conversion times configurable from 2 ms to 800 ms (default setting of approximately 85 ms).
• Integrated open-circuit recognition diagnostics for simplified troubleshooting and fault isolation.
• P-coded M8 EtherCAT P connectors for combined data transmission and system/sensor power delivery.
• Robust IP65, IP66, and IP67 protection ratings, facilitating direct cabinet-free installation.

Applications

• Thermal processing and oven control systems.
• Heavy industrial machinery and manufacturing automation.
• Food and beverage processing temperature monitoring.
• HVAC and environmental control systems.
• OEM machine building requiring distributed fieldbus IO.

Technical Specifications

Connections and Interfaces

Installation Guidelines

• Ensure the mounting surface is flat to avoid mechanical stress on the module housing.
• To maintain IP65/66/67 compliance, torque all M8 and M12 connectors to the manufacturer-specified torque limits.
• Unused M8 and M12 ports must be sealed using appropriate protective industrial caps.
• Ensure correct grounding path configuration by utilizing the module's integrated mounting metal contact points.
• Route communication and sensor cabling away from high-voltage motor cables and switching elements to minimize electromagnetic interference.

Compliance and Certifications

• CE
• UL