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EP2338-1002 Beckhoff

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The Beckhoff EP2338-1002 is an IP65/66/67-rated digital input module from the EP Digital Input Modules series. It features eight channels, operates with a rated load voltage of 24 V DC, and supports EtherCAT protocol. The module's dimensions are 30 x 126 x 26.5 mm and it offers an output current limit of 0.5 A per channel.

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Product Description:

The EP2338-1002 digital module is manufactured by Beckhoff as part of the EP Digital Input Modules series. The unit serves as a compact field-level component that forwards discrete machine signals to higher-level control platforms over the EtherCAT network. By combining power distribution and signal acquisition inside a sealed housing, it simplifies cable runs and supports decentralized automation architectures on processing lines, packaging stations, and material handling cells. Because the housing combines these functions, the module can be mounted close to sensors and actuators instead of relying on a centralized I/O location.

The module provides 8 channels that can be configured as digital inputs or outputs, and each channel is referenced to a common 24 V DC load rail. Its logic section draws 120 mA, while the field supply passes through two integrated power groups inside the housing. Communication and power entry are handled through two 4-pin, A-coded, shielded M8 sockets, and field devices connect on the front through M12 × 1, 5-pin, A-coded connectors. An input filter of 3 ms is applied to every line so contact bounce is ignored, and the input current is limited to 6 mA. When the channels are used as outputs, each one is protected to 0.5 A per channel to help prevent wiring faults from spreading into the supply.

The total switched load is limited to 4 A across the module, and attached sensors can draw no more than 0.5 A total from the auxiliary supply. The housing is molded from PA6 polyamide and measures 30 × 126 × 26.5 mm, which helps it fit in narrow cable trays or other tight mounting spaces. Its IP65/66/67 enclosure rating keeps out dust and water jets, and two 3.5 mm fixing holes support direct fastening to machine frames. The internal power bus routes energy to each channel without external jumpers. Communication uses EtherCAT for deterministic data exchange across daisy-chained modules.

Bus Interface
2 x M8 Socket, 4-Pin, A-Coded, Shielded
Channel Count
8
Current Consumption (us)
120 mA
Dimensions
30 x 126 x 26.5 mm
Fixing Hole Diameter
3.5 mm
Input Current
6 mA
Input Filter
3 ms
Input/output Connection
M12 x 1, 5-Pin, A-Coded
Material
PA6 (Polyamide)
Output Current Limit
0.5 A Per Channel
Output Sum Current
4 A
Protection Rating
IP65/66/67
Protocol
EtherCAT
Rated Load Voltage
24 V DC
Sensor Supply Limit
0.5 A Total

Frequently Asked Questions about EP2338-1002:

Q: Which communication protocol does the EP2338-1002 module use?

A: The EP2338-1002 supports the EtherCAT protocol for fast and reliable communication.

Q: How many channels are present on the EP2338-1002 input module?

A: This module has eight discrete channels available for digital input and output operations.

Q: What is the output current limit for each channel on the EP2338-1002?

A: It provides an output current limit of 0.5 A per channel to prevent overload.

Q: What protection ratings does the EP2338-1002 module feature?

A: The EP2338-1002 is rated with IP65, IP66, and IP67 protection for use in harsh environments.

Q: What is the required load voltage for the EP2338-1002?

A: This module requires a rated load voltage of 24 V DC for operation.


Internal Product Review

  • ‘‘The EP2338-1002 is a Beckhoff digital input module with 8 channels and EtherCAT protocol support. IP65/66/67 protection and 24 V DC rated load voltage make the unit a strong fit for distributed machine I/O in demanding environments. Fast 3 ms input filtering supports clean, dependable signal handling.’’

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