Beckhoff EL6910 EtherCAT Terminal

The Beckhoff EL6910 is a next-generation TwinSAFE Logic terminal designed to handle advanced functional safety tasks in EtherCAT networks. Capable of managing up to 212 safe connections and 512 function blocks, this terminal supports both FSoE and PROFIsafe (master/slave), enabling flexible safety architectures across systems.

Unlike its predecessor, the EL6910 supports analog value processing with TwinSAFE SC technology and incremental project downloads, significantly simplifying validation and version management. This terminal also provides onboard diagnostics history, enabling real-time fault tracking directly on the device. Programming is done via the TwinCAT 3 Safety Editor.

Technical Specifications

Manufacturer: Beckhoff
Part Number: EL6910 Beckhoff
Product Type: TwinSAFE Logic Safety Controller
Protocol: TwinSAFE / Safety over EtherCAT (FSoE), PROFIsafe (master & slave)
Cycle Time: Approx. 1 ms (depending on project size)
Fault Response Time: ≤ Watchdog time (parameterizable)
Max Safe Connections: 212
Max TwinSAFE Groups: 128
Max Function Blocks: 512
Max Users Supported: 40
Programming: TwinCAT 3 Safety Editor

Safety & Compliance

Safety Level:
– EN ISO 13849-1:2015 (Cat. 4, PL e)
– EN 61508:2010 (SIL 3)
Customizing: Modules can be enabled/disabled dynamically at runtime
TwinSAFE SC Support: Yes (safe analog signal processing via -009x terminals)
Onboard Diagnostics: History of safety errors directly accessible
Incremental Download: Independent checksum validation for logic, parameters, mapping, and info

Electrical Data

Current Consumption (E-bus): Typ. 160 mA
Current Consumption (Power Contacts): –
Electrical Isolation: Not specified
Installation Position: Horizontal

Mechanical & Mounting

Dimensions (W x H x D): 12 mm x 100 mm x 68 mm
Mounting: DIN rail (EN 60715)
Housing Type: EL-12-8pin
Material: Polycarbonate
Wiring Method: Spring-loaded actuation (tool-assisted)
Connection Cross-Section:
– Solid: 0.08…2.5 mm²
– Stranded: 0.08…2.5 mm²
– Ferrule: 0.14…1.5 mm²
AWG Range: AWG28…14 (solid/stranded), AWG26…16 (ferrule)
Stripping Length: 8–9 mm
Current Load Power Contacts: Imax: 10 A

Environmental Conditions

Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 95%, non-condensing
Protection Rating: IP20
Vibration/Shock Resistance: EN 60068-2-6 / EN 60068-2-27
EMC Standards: EN 61000-6-2 / EN 61000-6-4

Compliance & Approvals

Certifications: CE, CCC, UL, ATEX, IECEx
ATEX Marking: II 3 G Ex ec IIC T4 Gc
IECEx Marking: Ex ec IIC T4 Gc

Key Features

✅ Advanced TwinSAFE Logic: Process digital and analog safety data in one unit.

✅ 212 Safe Connections: Supports complex networked safety systems.

✅ Analog Input Safety: Compatible with TwinSAFE SC analog terminals.

✅ Incremental Download: Modular checksum validation for easier verification.

✅ Onboard Diagnostic History: View error logs directly from the module.

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Whether you’re designing a new safety architecture or upgrading legacy logic, the EL6910 offers unparalleled flexibility, diagnostics, and safety functionality.

Contact us today to discuss availability, integrations, or quantity pricing.