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The BECKHOFF ER2338-1002 is a digital EtherCAT Box designed for decentralized industrial automation applications. Functioning as a compact input and output module, it features 8 digital channels that can be freely configured as either inputs or outputs to match specific machine and process requirements. Housed in a robust module enclosure with IP65, IP66, and IP67 protection ratings, this device is engineered for direct machine-level mounting without requiring a control cabinet.
Communication is handled via the high-speed EtherCAT protocol, connecting through dual shielded M8 sockets with screw-type locking. Power supplies are routed independently for system electronics and field loads, utilizing M8 connectors for feed and downstream connections. With support for standard 24 V DC sensor and actuator supplies, the ER2338-1002 integrates seamlessly into distributed control topologies requiring reliable signal acquisition and switching in harsh industrial environments.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Exact Model | ER2338-1002 |
| Product Type | EtherCAT Box |
| Protocol | EtherCAT |
| Specification | EN 61131-2, type 1/3 |
| Special Features | Freely configurable inputs or outputs |
| Parameter | Specification |
|---|---|
| Number of Channels | 8 digital inputs or outputs |
| Input/Output Connections | M12 x 1, 5-pin, A-coded |
| Input Filter | 3.0 ms |
| "0" Signal Voltage | -3 to +5 V |
| "1" Signal Voltage | 11 to 30 V, 6 mA input current |
| Sensor Supply | From load supply voltage, max. 0.5 A, short-circuit proof in total |
| Load Type | Ohmic, inductive, lamp load |
| Rated Load Voltage | 24 V DC (-15% / +20%) |
| Max. Output Current | 0.5 A |
| Switching Times | Typ. TON: 50 us, typ. TOFF: 100 us |
| Short-Circuit Current | Typ. 1.5 A |
| Parameter | Specification |
|---|---|
| Current Consumption from US | 120 mA |
| Auxiliary Power Current | Typ. 20 mA + load |
| Electrical Isolation | 500 V |
| Parameter | Specification |
|---|---|
| Bus Interface | 2 x M8 socket, shielded, screw type |
| Power Supply Connection | Feed: 1 x M8 male socket, 4-pin; downstream connection: 1 x M8 female socket, 4-pin |
| Parameter | Specification |
|---|---|
| Weight | Approx. 265 g |
| Operating Temperature Range | -25 to +60 degC |
| Storage Temperature Range | -40 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) |
| Installation Position | Variable |
| Parameter | Specification |
|---|---|
| Approvals/Markings | CE, UL |
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Returns & Warranty

The BECKHOFF ER2338-1002 is a digital EtherCAT Box designed for decentralized industrial automation applications. Functioning as a compact input and output module, it features 8 digital channels that can be freely configured as either inputs or outputs to match specific machine and process requirements. Housed in a robust module enclosure with IP65, IP66, and IP67 protection ratings, this device is engineered for direct machine-level mounting without requiring a control cabinet.
Communication is handled via the high-speed EtherCAT protocol, connecting through dual shielded M8 sockets with screw-type locking. Power supplies are routed independently for system electronics and field loads, utilizing M8 connectors for feed and downstream connections. With support for standard 24 V DC sensor and actuator supplies, the ER2338-1002 integrates seamlessly into distributed control topologies requiring reliable signal acquisition and switching in harsh industrial environments.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Exact Model | ER2338-1002 |
| Product Type | EtherCAT Box |
| Protocol | EtherCAT |
| Specification | EN 61131-2, type 1/3 |
| Special Features | Freely configurable inputs or outputs |
| Parameter | Specification |
|---|---|
| Number of Channels | 8 digital inputs or outputs |
| Input/Output Connections | M12 x 1, 5-pin, A-coded |
| Input Filter | 3.0 ms |
| "0" Signal Voltage | -3 to +5 V |
| "1" Signal Voltage | 11 to 30 V, 6 mA input current |
| Sensor Supply | From load supply voltage, max. 0.5 A, short-circuit proof in total |
| Load Type | Ohmic, inductive, lamp load |
| Rated Load Voltage | 24 V DC (-15% / +20%) |
| Max. Output Current | 0.5 A |
| Switching Times | Typ. TON: 50 us, typ. TOFF: 100 us |
| Short-Circuit Current | Typ. 1.5 A |
| Parameter | Specification |
|---|---|
| Current Consumption from US | 120 mA |
| Auxiliary Power Current | Typ. 20 mA + load |
| Electrical Isolation | 500 V |
| Parameter | Specification |
|---|---|
| Bus Interface | 2 x M8 socket, shielded, screw type |
| Power Supply Connection | Feed: 1 x M8 male socket, 4-pin; downstream connection: 1 x M8 female socket, 4-pin |
| Parameter | Specification |
|---|---|
| Weight | Approx. 265 g |
| Operating Temperature Range | -25 to +60 degC |
| Storage Temperature Range | -40 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) |
| Installation Position | Variable |
| Parameter | Specification |
|---|---|
| Approvals/Markings | CE, UL |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|