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Beckhoff EL1918
by Beckhoff
Read verified buyer reviews ↓OverviewThe Beckhoff EL1918 TwinSAFE Input Terminal provides an advanced solution for incorporating vital safety sensors into your EtherCAT-based automation infrastructure. This robust digital input unit features 8 fail-safe inputs, making it an essential component for applications demanding the highest level of safety integrity. Designed to comply with strict safety standards, including SIL 3 as per IEC 61508 and PL e according to ISO 13849-1, the EL1918 guarantees exceptional reliability in signal acquisition and processing within your existing I/O framework. Its complete compatibility with TwinCAT Safety further solidifies its position as the premier selection for modern, safety-focused machine control environments.Key Features 8 Fail-Safe Digital Inputs: Delivers dependable acquisition of safety-related signals. Superior Safety Integrity: Certified to support safety levels up to SIL 3 (IEC 61508) and PL e (ISO 13849-1) for maximum operational security. EtherCAT Compatibility: As a native EtherCAT terminal, it offers seamless and high-performance integration into TwinSAFE-enabled systems. Advanced Diagnostic Functions: Includes short-circuit and cross-circuit detection for enhanced system reliability and swift fault identification. Standardized Power Input: Operates efficiently with a widely used 24 V DC input level. Visual Status Indicators: Integrated LEDs provide clear and immediate channel diagnostics, simplifying troubleshooting efforts. Secure Connections: Utilizes spring-loaded terminals for reliable, vibration-resistant, and maintenance-free connections. Space-Saving Design: Its compact 12 mm DIN-rail housing allows for high-density installations in control cabinets. Technical Specifications Part Number: EL1918 Manufacturer: Beckhoff Safety Level: SIL 3 / PL e Input Channels: 8 digital fail-safe Input Voltage: 24 V DC Fieldbus: EtherCAT Mounting Type: DIN-rail Width: 12 mm Operating Temperature: –25 °C to +60 °C Protection Class: IP20 Compliance: IEC 61508, ISO 13849-1 Certifications: CE, UL ApplicationsThe Beckhoff EL1918 is highly versatile and suitable for a broad range of safety-critical uses, such as: Safety-Oriented Automation Systems: Forms the basis for robust and compliant safety circuits in industrial automation. Emergency Stop & Light Curtain Monitoring: Essential for integrating and monitoring critical safety devices, ensuring immediate machine shutdown when necessary. Safety PLC Integration with TwinCAT: Provides seamless communication and control within Beckhoff's TwinCAT Safety environment. Machinery and Plant Safety Control: Crucial for implementing comprehensive safety functions in machinery and entire manufacturing facilities. Distributed Fail-Safe I/O Architecture: Enables the creation of flexible and scalable safety systems across expansive industrial setups. Why ChooseOpting for the Beckhoff EL1918 TwinSAFE Input Terminal represents an investment in unmatched safety, efficiency, and dependability for your automation processes. This model stands out due to its: High-Density Safety I/O: Its compact size offers 8 fail-safe inputs within just 12 mm, maximizing space utilization in control cabinets without compromising safety functionality. Globally Recognized Safety Certifications: Certified up to SIL 3 and PL e, the EL1918 fulfills the most stringent international safety standards, providing peace of mind and ensuring compliance. Seamless TwinCAT Safety Integration: As a core component of the TwinSAFE system, it offers full integration into the TwinCAT Safety environment, simplifying configuration, programming, and diagnostics. Superior Diagnostics and Signal Protection: Equipped with advanced diagnostic capabilities like short-circuit and cross-circuit detection, the EL1918 ensures continuous monitoring and protection of safety signals, minimizing downtime and enhancing operational security. Ideal for Decentralized Safety Systems: Its EtherCAT compatibility enables the creation of flexible and scalable safety systems across expansive industrial setups. Order NowEnhance your industrial automation with the Beckhoff EL1918 TwinSAFE Input Terminal. Contact us today to place your order or request a quote.FAQWhat is the primary function of the Beckhoff EL1918?The Beckhoff EL1918 is designed to integrate critical safety sensors into EtherCAT-based automation systems, providing 8 fail-safe digital inputs for high-integrity safety applications.What safety standards does the EL1918 meet?This terminal is certified to meet stringent safety standards up to SIL 3 according to IEC 61508 and PL e according to ISO 13849-1.Can the EL1918 be easily integrated into existing systems?Yes, its native EtherCAT integration and full compatibility with TwinCAT Safety ensure seamless and high-performance integration into TwinSAFE-enabled systems.What diagnostic features does the EL1918 offer?It includes advanced diagnostics such as short-circuit and cross-circuit detection for enhanced system reliability and rapid fault identification.Is the EL1918 suitable for compact control cabinets?Absolutely, its compact 12 mm DIN-rail housing allows for high-density installations, optimizing space in control cabinets.
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Beckhoff EL1918
Overview
This is a genuine Beckhoff component from the EtherCAT Terminals family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Beckhoff catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Beckhoff automation ecosystem
- Engineered to integrate inside EtherCAT Terminals installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Beckhoff equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Beckhoff catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Beckhoff platform with documented conversion notes for the EtherCAT Terminals family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Part Number: EL1918
- Manufacturer: Beckhoff
- Safety Level: SIL 3 / PL e
- Input Channels: 8 digital fail-safe
- Input Voltage: 24 V DC
- Fieldbus: EtherCAT
- Mounting Type: DIN-rail
- Width: 12 mm
- Operating Temperature: –25 °C to +60 °C
- Protection Class: IP20
- Compliance: IEC 61508, ISO 13849-1
- Certifications: CE, UL
Applications
The Beckhoff EL1918 is highly versatile and suitable for a broad range of safety-critical uses, such as:
- Safety-Oriented Automation Systems: Forms the basis for robust and compliant safety circuits in industrial automation.
- Emergency Stop & Light Curtain Monitoring: Essential for integrating and monitoring critical safety devices, ensuring immediate machine shutdown when necessary.
- Safety PLC Integration with TwinCAT: Provides seamless communication and control within Beckhoff's TwinCAT Safety environment.
- Machinery and Plant Safety Control: Crucial for implementing comprehensive safety functions in machinery and entire manufacturing facilities.
- Distributed Fail-Safe I/O Architecture: Enables the creation of flexible and scalable safety systems across expansive industrial setups.
Why Choose the EL1918?
Opting for the Beckhoff EL1918 TwinSAFE Input Terminal represents an investment in unmatched safety, efficiency, and dependability for your automation processes. This model stands out due to its:
- High-Density Safety I/O: Its compact size offers 8 fail-safe inputs within just 12 mm, maximizing space utilization in control cabinets without compromising safety functionality.
- Globally Recognized Safety Certifications: Certified up to SIL 3 and PL e, the EL1918 fulfills the most stringent international safety standards, providing peace of mind and ensuring compliance.
- Seamless TwinCAT Safety Integration: As a core component of the TwinSAFE system, it offers full integration into the TwinCAT Safety environment, simplifying configuration, programming, and diagnostics.
- Superior Diagnostics and Signal Protection: Equipped with advanced diagnostic capabilities like short-circuit and cross-circuit detection, the EL1918 ensures continuous monitoring and protection of safety signals, minimizing downtime and enhancing operational security.
- Ideal for Decentralized Safety Systems: Its EtherCAT compatibility enables the creation of flexible and scalable safety systems across expansive industrial setups.
Availability & Shipping
- ▸In stock: EL1918 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every EL1918 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Beckhoff
Machine down? We ship parts the same day.
New, surplus, and refurbished Beckhoff inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.