EPP2349-0021 Beckhoff
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The Beckhoff EPP2349-0021 is part of the EPP EtherCAT P Box Modules series and features 16 digital channels with an input current of 6 mA at 24 VDC. It supports total output currents up to 3.0 A, has a protection class of IP65/IP66/IP67, and offers 2 M8 EtherCAT P ports.
Internal Product Review
The EPP2349-0021 is a Beckhoff EtherCAT P Box module with 16 digital channels and IP65/IP66/IP67 protection. Fast 60 µs turn-on time and 300 µs typical turn-off time support crisp signal handling in distributed I/O applications. A 0.5 A max/channel output current paired with 3.0 A total output current makes this module a strong choice for compact, high-density field installation.
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Product Description:
The EPP2349-0021 is a 16-channel digital I/O box manufactured by Beckhoff within the EPP EtherCAT P Box Modules series. As an EtherCAT P node, the unit combines data exchange and power transmission on one cable, allowing field devices to operate without separate power lines. It forwards sensor and actuator signals directly to an EtherCAT controller. This arrangement reduces cabling in machine layouts where installation space is limited.
Each of the module’s 16 input or output bits is latched internally and transmitted over the EtherCAT network. Communication and power reach the housing through two M8, 4-pin, P-coded ports. When configured as inputs, the channels draw 6 mA at 24 VDC. A hardware filter of 10 µs suppresses contact bounce and signal noise before data are sent to the bus. In output mode, the device can source up to 0.5 A per channel, allowing direct control of solenoids or indicator lamps. The sensor supply provides current for connected transducers, while an M8 socket block connects the individual field cables to the module’s electronics.
The molded enclosure meets IP65/IP66/IP67 protection requirements, preventing dust ingress and resisting water jets or temporary immersion under the applicable conditions. The total channel load for each group must remain below 3.0 A maximum. Electronic fusing protects the EtherCAT P voltage domain and trips at 1.5 A maximum per channel during a short circuit. Typical energization latency is 60 µs, while de-energization takes 300 µs, supporting fast control sequences. Separate UP and US rails distribute peripheral and system power through the module. The permitted US current limit helps prevent excessive cable heating across distributed I/O segments. These operating limits should be considered when selecting the connected loads and arranging power distribution for the field devices.
