Tutto sui PLC: la CPU
A practical engineering guide to PLC CPU operation, from deterministic scan cycles and I/O image tables to memory, communications, diagnostics, redundancy, processor sizing, and reliable system...
The BECKHOFF ER2809-0022 EtherCAT Box is a modular industrial input/output device designed for machine-level applications without control cabinets. Equipped with 16 digital outputs, this compact module connects directly to the EtherCAT network to provide reliable switching of field devices. Housed in a durable, fully potted industrial enclosure, it is engineered to handle demanding factory environments while maintaining high-speed real-time communication performance.
This exact model features M12 connection technology for its output channels, supporting ohmic, inductive, and lamp loads with individual short-circuit protection. Power is supplied via standardized M8 connectors, allowing straightforward integration into decentralized machine topologies. The robust design eliminates the need for protective cabinets, reducing cabling effort and simplifying installation close to the actuators.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Exact Model | ER2809-0022 |
| Product Type | EtherCAT Box |
| Protocol | EtherCAT |
| Parameter | Specification |
|---|---|
| Number of Outputs | 16 |
| Nominal Output Voltage | 24 V DC (-15 percent / +20 percent) |
| Max. Output Current | 0.5 A per channel, individually short-circuit proof (sum current 4 A) |
| Load Type | Ohmic, inductive, lamp load |
| Switching Times | Typ. Ton: 60 us, typ. Toff: 300 us |
| Short-Circuit Current | Max. 1.5 A |
| Distributed Clocks | Not supported |
| Parameter | Specification |
|---|---|
| Current Consumption from Us | Typ. 130 mA |
| Auxiliary Power Current | Typ. 20 mA plus load |
| Electrical Isolation | 500 V |
| Parameter | Specification |
|---|---|
| Bus Interface | 2 x M8 socket, shielded, screw type |
| Output Connections | M12 x 1, 5-pin, A-coded |
| Power Supply Connection | Feed: 1 x M8 male socket, 4-pin; Downstream connection: 1 x M8 female socket, 4-pin |
| Parameter | Specification |
|---|---|
| Weight | Approx. 450 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

The BECKHOFF ER2809-0022 EtherCAT Box is a modular industrial input/output device designed for machine-level applications without control cabinets. Equipped with 16 digital outputs, this compact module connects directly to the EtherCAT network to provide reliable switching of field devices. Housed in a durable, fully potted industrial enclosure, it is engineered to handle demanding factory environments while maintaining high-speed real-time communication performance.
This exact model features M12 connection technology for its output channels, supporting ohmic, inductive, and lamp loads with individual short-circuit protection. Power is supplied via standardized M8 connectors, allowing straightforward integration into decentralized machine topologies. The robust design eliminates the need for protective cabinets, reducing cabling effort and simplifying installation close to the actuators.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Exact Model | ER2809-0022 |
| Product Type | EtherCAT Box |
| Protocol | EtherCAT |
| Parameter | Specification |
|---|---|
| Number of Outputs | 16 |
| Nominal Output Voltage | 24 V DC (-15 percent / +20 percent) |
| Max. Output Current | 0.5 A per channel, individually short-circuit proof (sum current 4 A) |
| Load Type | Ohmic, inductive, lamp load |
| Switching Times | Typ. Ton: 60 us, typ. Toff: 300 us |
| Short-Circuit Current | Max. 1.5 A |
| Distributed Clocks | Not supported |
| Parameter | Specification |
|---|---|
| Current Consumption from Us | Typ. 130 mA |
| Auxiliary Power Current | Typ. 20 mA plus load |
| Electrical Isolation | 500 V |
| Parameter | Specification |
|---|---|
| Bus Interface | 2 x M8 socket, shielded, screw type |
| Output Connections | M12 x 1, 5-pin, A-coded |
| Power Supply Connection | Feed: 1 x M8 male socket, 4-pin; Downstream connection: 1 x M8 female socket, 4-pin |
| Parameter | Specification |
|---|---|
| Weight | Approx. 450 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
|