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General| Weight | approx. 60 g |
|---|---|
| Operating temperature | -25…+60 °C |
| Storage temperature | -25…+85 °C |
| Protection class | IP20 |
| Number of outputs | 4 |
| Output voltage | 24 V DC |
| Relative humidity | 95 %, no condensation |
| Nominal voltage | 24 V DC |
| Electrical isolation | 500 V (E-bus/field potential) |
| Output type | Digital |
| Short-circuit protection | Yes |
| Overload protection | Yes |
| Bus interface | E-bus |
General information about product revisions, use cases, and limitations of liability.
Lists registered trademarks and details patents protecting EtherCAT technology.
Lists changes and updates made to different versions of the documentation.
Defines required personnel qualifications and safety/instruction guidelines.
Contact details for support, training, service, and the download area.
Operator's responsibilities and compliance with safety standards for TwinSAFE components.
Explanation of safety pictograms on the product and their meaning.
Instructions for before, during, and after operation for safe use.
Overview of the Bus Terminal system architecture, components, and connection methods.
Introduction to the TwinSAFE system and its integration with the Bus Terminal system.
Details the TwinSAFE safety concept, protocol (FSOE), and configuration approach.
Connects safety sensors/actuators using EL6900 for a decentralized safety system.
Details the EL2904 as a safe output terminal with 4 digital outputs for actuators.
Specifies use for machine safety and covers critical warnings on injury and power.
Details EN 81 approval requirements including machine standards, surge filters, and temperature.
Covers indoor use, direct contact protection, ambient conditions, safe state, and lifetime.
Specifies IP54 cabinet installation and SELV/PELV power supply limits.
Provides detailed technical specifications including electrical, environmental, and physical properties.
Lists characteristic numbers for lifetime, failure rates, and safety levels (SIL, PL).
Covers element classification, IEC 61508 usage, and MTTF/PFHD calculation references.
Illustrates the internal functional blocks and signal paths of the EL2904.
Ensures components are operated under specified conditions, with safety warnings.
Provides general installation instructions and details electrical connections.
Recommends surge filters and details wiring procedures and cable specifications.
Shows pin assignments and explains test pulses for outputs.
Covers cable routing, mechanical installation, and critical safety warnings.
Specifies cabinet requirements and mounting position for optimal cooling.
Details ATEX conditions, special requirements, identification, and TwinCAT configuration.
Provides information on diagnostic LEDs, objects, flashing codes, and error causes.
Details the guaranteed lifetime and warns to replace components after 20 years.
Instructions for cleaning: do not operate if dirty, send to manufacturer for cleaning.
Step-by-step instructions for safely removing TwinSAFE components from the mounting rail.
NOTICE: Observe laws for correct disposal to prevent environmental damage.
Instructions for returning used devices for professional disposal and associated costs.
Explains volatile and non-volatile components and data security concerns.
Highlights the importance of EC type examination certificates and where to find current ones.
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