EPP2338-1001 Beckhoff
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The EPP2338-1001 from Beckhoff is part of the EPP EtherCAT P Box Modules series and features 8 digital channels with I/O connections via 8 M8 sockets. It supports both sensor and output supply at 24 VDC, offers an output current of 0.5 A per channel, and is housed in polyamide (PA6) material. The module measures 30 mm wide, 126 mm high, and 26.5 mm deep.
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Product Description:
Beckhoff’s EPP2338-1001 is a decentralized I/O device in the EPP EtherCAT P Box Modules series. As an EtherCAT P node, the unit combines data exchange and 24 V power on a single cable, so a controller can place it directly on a machine frame. It serves as a digital input/output hub that collects sensor signals and switches actuators without a control cabinet, reducing wiring in industrial automation cells while maintaining machine-mounted protection.
The module offers 8 digital channels that can be configured individually as inputs or outputs, and each channel follows the Type 3 characteristic of EN 61131-2 to accommodate common 24 V sensors. Input circuits draw only 6 mA at 24 VDC, supporting proximity switches with limited current sourcing capability. An internal filter of 3.0 ms suppresses contact bounce so the controller receives clean edge transitions. When used as an output, the channel supplies up to 0.5 A per channel to ohmic, inductive, or lamp loads, and the combined load across the module must stay within 3.0 A. Power for the field devices is routed through the separate UP supply rail, while the US logic domain remains at 24 VDC for signal processing.
The polyamide enclosure measures 30 mm x 126 mm x 26.5 mm, allowing installation on tight machine surfaces and maintaining IP67 integrity when all M8 plugs are fastened. Communication and power pass through a single EtherCAT P trunk that terminates in two M8 sockets with 4-pin P-coded connections, enabling daisy-chain topology without additional junction boxes. Field devices attach to the dedicated I/O sockets and may be located up to 30 m away along shielded sensor cables. For fault tolerance, each output tolerates a short-circuit current of 1.5 A per channel, allowing the PLC to detect and report wiring errors before the module’s electronic protection disconnects the load.
Frequently Asked Questions about EPP2338-1001:
Q: How many digital channels are available on the EPP2338-1001 module?
A: The EPP2338-1001 provides eight digital channels for I/O connections.
Q: What is the maximum output current per channel for the EPP2338-1001?
A: Each output channel can supply up to 0.5 A of current.
Q: Which connectors are used for EtherCAT P on the EPP2338-1001?
A: The EPP2338-1001 features 2 x M8, 4-pin, P-coded EtherCAT P sockets for communication.
Q: What material is used for the housing of the EPP2338-1001?
A: This module is housed in a PA6 polyamide enclosure for its physical protection.
Q: What is the sensor supply voltage on the EPP2338-1001 module?
A: The standard operating sensor supply voltage for the EPP2338-1001 is 24 VDC from UP.
