Beckhoff EL2904 Analog Input Terminal Module EL2904

Description:

The Beckhoff EL2904 EtherCAT Safety Output Terminal is a safety-rated digital output module designed for industrial automation systems requiring certified machine safety control. This module provides four safety-related output channels that integrate directly into EtherCAT-based safety architectures using TwinSAFE technology. Maintenance teams, OEM machine builders, and system integrators use this terminal for machine safety installations, safety system upgrades, control panel integration, and replacement of existing safety output modules in industrial automation environments.

Applications:

The Beckhoff EL2904 safety output terminal is widely used in industrial automation systems that require reliable safety control of machinery and equipment. Typical installations include emergency stop systems, safety interlock circuits, guard door monitoring, robotic safety zones, and automated production lines where certified safety outputs control actuators, safety relays, or power shutdown circuits.

Technical Specifications:

• Manufacturer: Beckhoff
• Part Number: EL2904
• Series: EtherCAT Terminal (EL Series)
• Module Type: Safety digital output terminal
• Number of Channels: 4 safety outputs
• Output Voltage: 24V DC
• Safety Technology: TwinSAFE
• Safety Rating: Designed for safety control systems (SIL / PL depending on configuration)
• Interface: EtherCAT terminal bus
• Mounting Type: DIN rail EtherCAT terminal system
• Compatible Controllers: Beckhoff TwinSAFE and EtherCAT master controllers
• Operating Temperature: 0°C to 55°C

Common Replacements:

• Beckhoff EL1904
• Beckhoff EL2004
• Siemens 6ES7 138-4FB03-0AB0