Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
High-density control routing in demanding industrial field environments is streamlined using the EP2817-0008 EtherCAT Box. This decentralized digital output module integrates 24 digital channels within a compact, hardened form factor, bypassing the need for protective control cabinets. It interfaces directly with field actuators via a robust 25-pin D-sub connection and utilizes the high-speed EtherCAT protocol for real-time automation architectures.
The module is engineered for maximum operational reliability, featuring individual short-circuit protection across all 24 channels. It is capable of switching various load profiles, including ohmic, inductive, and lamp loads, making it highly adaptable for complex industrial machinery and decentralized I/O structures. Integrated diagnostic features, such as undervoltage detection for control and peripheral voltages, ensure system downtime is minimized through rapid error localization.
| Parameter | Specification |
|---|---|
| Manufacturer | Beckhoff Automation |
| Part Number / Model | EP2817-0008 |
| Protocol | EtherCAT |
| Bus Interface | 2 x M8 socket, shielded, screw-lock type |
| Number of Outputs | 24 |
| Output Connection | D-sub socket, 25-pin, UNC4-40 |
| 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), sum max. 4.0 A |
| Switching Times | Typical T_ON: 10 us, Typical T_OFF: 50 us |
| Short-Circuit Current | Max. 1.0 A |
| Distributed Clocks | Yes |
| Current Consumption (US) | 120 mA |
| Auxiliary Power Current | Typical 20 mA + load |
| Power Supply Connection | Feed: 1 x M8 male socket, 4-pin; Downstream: 1 x M8 female socket, 4-pin |
| Electrical Isolation | 500 V |
| Special Diagnostics | Undervoltage detection for US and UP below 18 V |
| Weight | Approx. 165 g |
| Operating Temperature | -25 to +60 degC |
| Storage Temperature | -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 |
| Connection Type | Interface Details |
|---|---|
| EtherCAT Bus In | M8 female, 4-pin, shielded, A-coded |
| EtherCAT Bus Out | M8 female, 4-pin, shielded, A-coded |
| Power Feed | M8 male, 4-pin |
| Downstream Power | M8 female, 4-pin |
| Digital Outputs (1-24) | 25-pin D-sub female socket, UNC4-40 |
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Returns & Warranty

High-density control routing in demanding industrial field environments is streamlined using the EP2817-0008 EtherCAT Box. This decentralized digital output module integrates 24 digital channels within a compact, hardened form factor, bypassing the need for protective control cabinets. It interfaces directly with field actuators via a robust 25-pin D-sub connection and utilizes the high-speed EtherCAT protocol for real-time automation architectures.
The module is engineered for maximum operational reliability, featuring individual short-circuit protection across all 24 channels. It is capable of switching various load profiles, including ohmic, inductive, and lamp loads, making it highly adaptable for complex industrial machinery and decentralized I/O structures. Integrated diagnostic features, such as undervoltage detection for control and peripheral voltages, ensure system downtime is minimized through rapid error localization.
| Parameter | Specification |
|---|---|
| Manufacturer | Beckhoff Automation |
| Part Number / Model | EP2817-0008 |
| Protocol | EtherCAT |
| Bus Interface | 2 x M8 socket, shielded, screw-lock type |
| Number of Outputs | 24 |
| Output Connection | D-sub socket, 25-pin, UNC4-40 |
| 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), sum max. 4.0 A |
| Switching Times | Typical T_ON: 10 us, Typical T_OFF: 50 us |
| Short-Circuit Current | Max. 1.0 A |
| Distributed Clocks | Yes |
| Current Consumption (US) | 120 mA |
| Auxiliary Power Current | Typical 20 mA + load |
| Power Supply Connection | Feed: 1 x M8 male socket, 4-pin; Downstream: 1 x M8 female socket, 4-pin |
| Electrical Isolation | 500 V |
| Special Diagnostics | Undervoltage detection for US and UP below 18 V |
| Weight | Approx. 165 g |
| Operating Temperature | -25 to +60 degC |
| Storage Temperature | -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 |
| Connection Type | Interface Details |
|---|---|
| EtherCAT Bus In | M8 female, 4-pin, shielded, A-coded |
| EtherCAT Bus Out | M8 female, 4-pin, shielded, A-coded |
| Power Feed | M8 male, 4-pin |
| Downstream Power | M8 female, 4-pin |
| Digital Outputs (1-24) | 25-pin D-sub female socket, UNC4-40 |
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
|