What Is SCADA? Supervisory Control Without Replacing the PLC
SCADA sits above PLCs and RTUs: it acquires field data, alarms operators, and issues supervisory commands across plants and remote assets—without replacing local deterministic control.

Designed for decentralized industrial automation, the BECKHOFF EP2008-0022 EtherCAT Box enables the direct processing of binary control signals. This highly robust, machine-mountable I/O module features 8 digital outputs, each operating at 24 V DC and capable of switching load currents up to 0.5 A. Engineered for harsh industrial environments, it features a rugged, fully sealed IP67 enclosure that allows for installation directly on machinery, completely eliminating the need for protective control cabinets.
The EP2008-0022 interfaces with actuators through standard M12 connectors, providing 1 output per M12 socket. The high-speed EtherCAT protocol connection is established via shielded M8 screw-type connectors, ensuring rapid, reliable data transmission and optimal electromagnetic immunity in noise-heavy manufacturing zones.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Part Number / Model | EP2008-0022 |
| Protocol | EtherCAT |
| Bus Interface | 2 x M8 socket, shielded, screw type |
| Number of Outputs | 8 digital outputs |
| Output Connections | M12 x 1, 5-pin, A-coded (1 output per M12 plug) |
| Load Type | Ohmic, inductive, lamp load |
| Nominal Output Voltage | 24 V DC (-15% / +20%) |
| Max. Output Current | 0.5 A per channel (individually short-circuit proof), max. 4 A total sum |
| Switching Times | typ. TON: 60 us, typ. TOFF: 300 us |
| Short-Circuit Current | max. 1.5 A |
| Current Consumption (Us) | typ. 130 mA from EtherCAT system voltage |
| Auxiliary Power Current (Up) | typ. 20 mA + load current |
| Power Supply Connection | Feed: 1 x M8 male socket (4-pin); Downstream: 1 x M8 female socket (4-pin) |
| Electrical Isolation | 500 V |
| Protection Rating | IP65, IP66, IP67 (conforms to EN 60529) |
| 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 |
| Weight | approx. 250 g |
| Pin | Function |
|---|---|
| 1 | +24 V DC feed (Control voltage Us) |
| 2 | +24 V DC feed (Auxiliary voltage Up for outputs) |
| 3 | GNDs (Control voltage ground) |
| 4 | GNDp (Auxiliary voltage ground) |
| Pin | Function |
|---|---|
| 1 | Not connected |
| 2 | Not connected |
| 3 | GND (Reference potential) |
| 4 | Output Signal (24 V DC) |
| 5 | Functional Earth (FE) |
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| Country of origin |
Germany
|