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EJ1957-0000

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5 Minutes 10 Seconds

The EJ1957-0000 EtherCAT plug-in module boasts a supply voltage of 24 V DC, features TwinSAFE logic, and supports 8-channel digital inputs. Part of the EJ EtherCAT Plugin Series by Beckhoff, it adheres to safety standards EN ISO 13849-1:2015 (Cat. 4, PL e) and offers IP20 protection rating.

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Product Description

The EJ1957-0000 integrates TwinSAFE Logic functionality, allowing the module to function as an input/output device or as a standalone safety controller. It is part of the Beckhoff range of EtherCAT plug-in modules designed to enhance safety in industrial applications. This module is equipped with eight fail-safe digital inputs designed to ensure reliable monitoring of safety-critical signals in industrial environments. These inputs can detect safety conditions and transmit data via Fail-safe over EtherCAT (FSoE) to a TwinSAFE Logic-capable component. This allows for real-time response to potential hazards. The module also features four fail-safe digital outputs that provide critical control functionality in safety applications.

The EJ1957-0000 allows for fine-grained configuration of test pulses for each of its individual channels. This enables users to specify precise parameters for the test pulses, tailoring the functionality to meet their specific safety requirements. This customization ensures that the module can be tailored to suit different user and application demands for enhanced functionality. The module boasts a typical response time of just 4 ms which ensures quick detection and processing of input signals for enhanced overall system responsiveness. It has a typical current consumption of 330 mA from the E-bus.

The EJ1957-0000 operates with a 24 VDC power supply, making it easy to integrate with standard industrial power systems. It supports an output current of 0.5 A, providing sufficient power for the connected devices. This current capability allows the module to effectively drive various digital outputs, ensuring reliable operation of connected components. It is designed for use in indoor environments and bears an IP 20 protection rating. It has a lightweight construction and weighs only 64 g for easy installation and integration.

EJ1957-0000 Technical Specifications

Type: EtherCAT plug-in module
Fault Response Time: ≤ watchdog time (parameterizable)
Current Consumption E-bus: typ. 330 mA
Safety Standard: EN ISO 13849-1:2015 (Cat. 4, PL e) and EN 61508:2010 (SIL 3)
Protection Rating: IP20
Dimensions: 12 mm x 152 mm x 55 mm
Weight: approx. 64 g
Digital Inputs: 8-channel
Digital Outputs: 4-channel
Supply Voltage: 24 V DC
Output Current: 0.5 A
Safety Technology: TwinSAFE
Logic: TwinSAFE Logic
Protocol: TwinSAFE/Safety over EtherCAT
Response Time: typ. 4 ms (read input/write to E-bus)

Frequently Asked Questions about EJ1957-0000


Q: How many fail-safe inputs does the EJ1957-0000 have?

A: The EJ1957-0000 features eight fail-safe digital inputs, designed to ensure safe and reliable signal processing in automation systems.

Q: What is the output capacity of the EJ1957-0000?

A: The EJ1957-0000 provides four fail-safe digital outputs. These outputs can be utilized in conjunction with standard outputs to enable quick activation while ensuring safety compliance.

Q: What type of safety logic does the EJ1957-0000 support?

A: The EJ1957-0000 supports TwinSAFE Logic, allowing it to function as both an input/output module and a safety controller.

Q: What is the typical response time of the EJ1957-0000?

A: The EJ1957-0000 has a typical response time of 4 ms, ensuring prompt processing of input and output signals. This quick response is essential for maintaining efficiency in safety-critical environments.

Q: What is the protection rating of the EJ1957-0000?

A: The EJ1957-0000 has a protection rating of IP20, which indicates that it is suitable for installation in controlled environments.

Internal Product Review

  • ‘‘The EJ1957-0000 EtherCAT plug-in module is an excellent choice for users looking for a versatile and customizable module that can be tailored to suit different requirements. However, it comes at a relatively high price point.’’

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