Beckhoff EP2038-0001 EtherCAT Box 8-channel Digital Output Module

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Manufacturer: BECKHOFF
Product No.: EP2038-0001
Country of origin:Germany
Product Type: EtherCAT Box Modules
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description

Optimized for decentralized, cabinet-free industrial architectures, the Beckhoff EP2038-0001 EtherCAT Box integrates eight digital outputs capable of switching load currents of up to 2 A per channel. This robust module is engineered to control actuators such as solenoid valves, contactors, and small motors directly in high-demand field environments. By establishing point-to-point connections directly at the physical process point, it drastically reduces wiring overhead and system installation complexity.

Key Features

High-Current Capacity: Delivers up to 2 A switching current per channel to drive demanding industrial loads.
Individual Short-Circuit Protection: Each channel operates with dedicated protection, isolating faults to ensure maximum uptime.
Field-Ready Construction: Rated IP65, IP66, and IP67 to withstand moisture, dust, and washdown processes without external enclosures.
Direct EtherCAT Bus Integration: Uses dual shielded M8 screw connectors for reliable network daisy-chaining.
Versatile Load Management: Efficiently handles resistive, inductive, and lamp loads.

Heavy Industrial Applications

Direct control of high-current solenoid and pneumatic manifold systems.
Distributed packaging and material handling conveyor systems.
Automated assembly systems requiring on-machine localized I/O.
High-vibration mobile and process machinery control.

Technical Specifications

Parameter	Specification Value
Manufacturer	Beckhoff
Model Number	EP2038-0001
Protocol	EtherCAT
Bus Interface	2 x M8 socket, shielded, screw type
Number of Outputs	8
Output Connections	M8 x 1, 3-pin, A-coded
Nominal Output Voltage	24 V DC (-15% / +20%)
Max. Output Current	2 A per channel (individually short-circuit proof), Sum max 4 A
Short-Circuit Current	Typically 15 A
Switching Times	Typical TON: 200 microseconds, TOFF: 200 microseconds
Current Consumption (US)	120 mA from system power
Auxiliary Power Current (UP)	Typically 20 mA + load
Power Supply Interface	Feed: 1 x M8 male, 4-pin; Downstream: 1 x M8 female, 4-pin
Electrical Isolation	500 V
Operating Temperature	-25 degC to +60 degC
Storage Temperature	-40 degC to +85 degC
Vibration/Shock Resistance	Conforms to EN 60068-2-6 / EN 60068-2-27
EMC Immunity/Emission	Conforms to EN 61000-6-2 / EN 61000-6-4
Protection Rating	IP65 / IP66 / IP67 (conforms to EN 60529)
Approvals	CE, UL
Module Weight	165 g
Shipping Weight (Calculated)	2 kg

Connections and Interfaces

Connector / Pin	Signal Assignment
Output M8 (3-pin, A-coded)	Pin 1: +24 V DC Aux Output (UP) \| Pin 3: GND (UP) \| Pin 4: Control Output
Power Feed (M8 Male, 4-pin)	Pin 1: +24 V DC Control Power (US) \| Pin 2: +24 V DC Auxiliary Power (UP) \| Pin 3: GND (US) \| Pin 4: GND (UP)
Power Downstream (M8 Female, 4-pin)	Loop-through connection to transfer US and UP power lines to subsequent modules

Empirical Engineering Insights

Alternative Models & Compatibility

The EP2038-0001 is functionally similar to standard 8-channel output boxes, but it is specifically optimized for applications demanding higher currents (up to 2 A) than those supported by standard 0.5 A output units (e.g., EP2008-0002). If upgrading an existing design to the EP2038-0001, ensure your TwinCAT system manager physical configuration is updated with the correct ESI XML device description to map the higher current parameters correctly.

Application Pitfalls & Engineering Notes

The total sum current (∑) limit across all eight channels is capped at 4 A. Exceeding this thermal threshold will trigger protective shut-down operations. If operating inductive loads (such as solenoid valves or heavy relay coils), ensure back-EMF suppression diode systems are accounted for, as excessive flyback noise can cause logic reset states over the internal UP line.

Commissioning & Wiring Tips

Maintain physical shielding performance by using industrial-grade, shielded M8 network patch cords. Ground the shield at the primary EtherCAT coupler entry point. Always plug unused M8 sockets with standard IP67 sealing caps to prevent ingress of industrial lubricants and fluids.

Installation Guidelines

CRITICAL SAFETY WARNING

Isolate and lock out all field power supplies (both US control power and UP actuator power lines) before inserting or removing the M8 physical connectors. Hot-plugging high-current output lines may result in contact arcing, causing premature pin degradation or permanent module logic damage.

Mount the EP2038-0001 directly to the machine structure using M3/M4 screws through the integrated side mounting holes. Torque to the specified mechanical limits.

Connect the EtherCAT input/output network cables to the shielded M8 ports, securing the threaded lock collars to ensure reliable ground path connections.

Affix the field-side M8 3-pin actuator connections to the corresponding output channels.

Connect the master power feed line, verify that the LED status indicator displays steady green operational modes, and program output parameters via the TwinCAT PLC environment.

Key Features:

What is the maximum current limit per channel on the EP2038-0001?

Each of the 8 digital outputs can switch up to 2 A individually. However, the total cumulative load current (sum total of all channels) must not exceed 4 A due to physical thermal limitations.

What happens if a single output channel experiences a short circuit?

The module is designed with individual short-circuit protection on each channel. A short-circuit event on one port will trip internal protective systems on that specific line, allowing the remaining operational channels to continue running.

How are control logic and field actuator power handled inside the unit?

The module splits power into two paths via the M8 power connector: US power (typically 120 mA draw) powers the internal EtherCAT system controller electronics, while UP power supplies the switched output contacts and field-level actuators.

Does this module require a protective enclosure to maintain its IP rating?

No. The EP2038-0001 carries an IP65/66/67 physical protection rating, allowing direct machine mounting in environments exposed to dust, moisture, and washdowns, provided all unused ports are sealed with proper IP67 caps.

Global Express Shipping

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Returns & Warranty

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12-Month Warranty: Every industrial component is backed by our professional technical warranty.

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TECHNICAL SPECIFICATIONS

Country of origin

Beckhoff EP2038-0001 EtherCAT Box 8-channel Digital Output Module