Emerson KJ2231X1-BA1 Auxiliary Relay ETA-Direct Module

The Emerson KJ2231X1-BA1 is a high-performance auxiliary relay module designed for use in safety instrumented systems (SIS) and process control applications. It provides critical signal amplification, isolation, and signal conditioning to ensure the reliable operation of safety loops and control systems. The ETA-Direct functionality in this module enables it to directly control external relays in safety systems, providing a direct interface between the control system and safety devices.

With a compact design (178 x 46 x 249 mm) and a weight of 0.9 kg, this module is an excellent choice for installation in control panels and safety cabinets. It is engineered for redundant and fault-tolerant operation, ensuring that safety-critical signals are transmitted and received without fail, even in demanding industrial environments.

The KJ2231X1-BA1 is particularly suitable for use in industries such as oil and gas, chemical processing, power generation, and manufacturing, where safety is paramount, and continuous, reliable signal operation is required.

Product Parameters

Product Applications

The Emerson KJ2231X1-BA1 auxiliary relay ETA-Direct module is designed for safety and process control systems where reliable relay operation and signal conditioning are essential. Some of its key applications include:

• Safety Instrumented Systems (SIS): The KJ2231X1-BA1 serves as a critical component in SIS, ensuring that safety signals from sensors and actuators are reliably transmitted and correctly acted upon by the control system. This module provides signal amplification and signal conditioning, which are essential for ensuring that safety signals are accurately received and processed without failure.

• Emergency Shutdown (ESD) Systems: This relay module plays a key role in emergency shutdown systems by controlling safety devices such as solenoid valves, shutdown relays, and safety actuators. By enabling direct relay control, it ensures fast and accurate emergency actions in the event of system failures or safety hazards.

• Control Systems in Industrial Automation: The KJ2231X1-BA1 can be integrated into PLC-based control systems to manage relay-controlled outputs for monitoring and automation applications. It helps to amplify control signals, ensuring reliable output even in high-demand environments.

• Power Generation: In power plants, especially those with safety-critical processes such as turbine control, generator protection, and auxiliary systems, the KJ2231X1-BA1 ensures the continuous and accurate operation of safety loops and relays.

• Process Control: In industries like chemical, petrochemical, and pharmaceuticals, where high process integrity and safety are critical, the KJ2231X1-BA1 ensures that safety instrument signals are transmitted properly, allowing timely response to unsafe conditions.

Product Advantages

• ETA-Direct Functionality: The KJ2231X1-BA1 is equipped with ETA-Direct capabilities, which allow it to directly control external relays, providing fast, reliable, and direct actuation in safety systems. This functionality improves the response time and reduces the need for additional components, streamlining the system design.

• Compact and Lightweight: The module’s compact size of 178 x 46 x 249 mm and weight of 0.9 kg make it easy to install even in tight control panels, minimizing space usage while providing powerful signal amplification and relay control capabilities.

• Redundancy for Enhanced Safety: The KJ2231X1-BA1 supports redundant operations, ensuring that safety signals are transmitted accurately even if one part of the network or device fails. This redundancy enhances the reliability and fail-safe performance of safety systems.

• Wide Operating Temperature Range: With an operating temperature range of -20°C to +60°C, the module is suitable for installation in a wide variety of industrial environments, including those with extreme temperature fluctuations.

• Multiple Communication Protocols: Supporting both Fieldbus and HART communication protocols, the KJ2231X1-BA1 can integrate seamlessly into existing control networks, making it versatile and adaptable to different system configurations.

• Environmental Protection: The IP20 rating ensures that the module is protected against dust and other environmental contaminants, allowing for stable operation even in moderately harsh industrial conditions.

• Low Power Consumption: With a power consumption of only 8 W, the module provides energy-efficient operation, helping to reduce operational costs while ensuring reliable performance.

• Easy Installation: The DIN rail mounting design makes installation simple and efficient, allowing the module to be quickly integrated into control systems without complex setup procedures.

• Reliability and Durability: Built to withstand the demands of industrial environments, the KJ2231X1-BA1 is durable and designed for long-term, continuous use in critical safety and control applications.

Frequently Asked Questions (FAQ)

1. What are the dimensions of the Emerson KJ2231X1-BA1 module?

   • The KJ2231X1-BA1 module has dimensions of 178 x 46 x 249 mm.

2. How much does the KJ2231X1-BA1 weigh?

   • The weight of the KJ2231X1-BA1 is 0.9 kg.

3. What is the power consumption of the KJ2231X1-BA1 module?

   • The KJ2231X1-BA1 consumes 8 W of power.

4. What communication protocols does the KJ2231X1-BA1 support?

   • The module supports Fieldbus and HART communication protocols.

5. What is the mounting mechanism for the KJ2231X1-BA1?

   • The KJ2231X1-BA1 is designed for DIN rail mounting.

6. What is the operating temperature range for the KJ2231X1-BA1?

   • The KJ2231X1-BA1 operates within a temperature range of -20°C to +60°C.

7. What is ETA-Direct functionality, and how does it work?

   • ETA-Direct allows the KJ2231X1-BA1 to directly control external relays, streamlining relay actuation and improving response times in safety systems.

8. Is the KJ2231X1-BA1 suitable for use in hazardous environments?

   • The KJ2231X1-BA1 has an IP20 rating, providing protection against dust and environmental contaminants, but it should be installed in a protected area.

9. Can the KJ2231X1-BA1 be used in emergency shutdown systems?

   • Yes, the KJ2231X1-BA1 is ideal for emergency shutdown systems, where fast and reliable relay actuation is essential for safety.

10. What industries can benefit from using the KJ2231X1-BA1?

    • The module is suitable for industries such as oil and gas, chemical processing, pharmaceuticals, manufacturing, and power generation.