Emerson KJ2221X1-EA1 12P3241X012 Repeater Carrier

The Emerson KJ2221X1-EA1 12P3241X012 Repeater Carrier is a critical component in DeltaV control system architectures designed to extend communication distances and ensure robust data integrity across distributed I/O networks. This module provides a reliable platform to house and support repeater modules, enabling seamless signal regeneration for long-distance communication in harsh industrial environments. With high electromagnetic immunity and a compact, rugged design, the KJ2221X1-EA1 ensures stable performance in demanding applications such as oil & gas, petrochemical, power generation, and process automation systems.

Product Specifications

Product Applications

• Signal Extension: Provides robust communication signal regeneration for extended cable runs in DeltaV control networks.

• Industrial Automation: Ensures reliable network connectivity in process plants requiring long-distance distributed control.

• Harsh Environments: Designed for use in industrial locations exposed to electrical noise and demanding operating conditions.

• Network Segmentation: Facilitates separation and isolation of network segments for improved system reliability.

• Process Control: Supports seamless integration in DeltaV DCS systems for oil & gas, petrochemical, water treatment, and power generation.

• Redundant Architectures: Allows deployment in redundant communication networks to ensure high availability and fault tolerance.

Product Advantages

• Reliable Signal Integrity: Provides consistent data transmission over long distances by regenerating and isolating communication signals.

• Compact Design: Space-saving form factor suitable for cabinet installations and modular system configurations.

• High Immunity: Built to withstand electromagnetic interference, ensuring stable performance in electrically noisy environments.

• DeltaV Integration: Seamlessly integrates with DeltaV systems for easy configuration and maintenance.

• Rugged Construction: Designed for industrial environments with extended temperature ranges and vibration resistance.

• Flexible Deployment: Supports multiple network architectures and redundant configurations for critical process operations.

FAQ

1. What is the main function of the KJ2221X1-EA1 Repeater Carrier?

   The module serves as a carrier for DeltaV repeater modules, providing power and mechanical support while enabling signal regeneration to extend communication distances.

2. Is this carrier compatible with all DeltaV repeater modules?

   It is designed for full compatibility with Emerson DeltaV repeater modules and meets system requirements for seamless integration into the network.

3. How does the KJ2221X1-EA1 handle electromagnetic interference?

   The carrier is engineered with high EMC immunity and complies with IEC/EN 61000 standards, ensuring stable operation in industrial environments with electrical noise.

4. Can the KJ2221X1-EA1 be used in redundant network configurations?

   Yes, it supports redundant repeater configurations to maintain network availability and minimize the risk of communication failures.

5. What is the recommended operating voltage for the carrier?

   The carrier operates on a nominal 24 VDC supply, ensuring compatibility with standard DeltaV power distribution systems.

6. Does the module provide galvanic isolation?

   The KJ2221X1-EA1 supports galvanic isolation when used with DeltaV repeater modules, protecting network segments from electrical faults and ground loops.

7. Is the carrier suitable for hazardous area installations?

   Yes, it is certified for use in ATEX Zone 2 environments, making it suitable for oil & gas and chemical process applications.

8. What is the maximum operating temperature range?

   The module operates reliably between 0°C and +60°C and is rated for storage temperatures as low as -40°C and up to +85°C.

9. How is the KJ2221X1-EA1 mounted in a control cabinet?

   It uses standard backplane mounting, allowing easy installation within DeltaV cabinet configurations.

10. Does the KJ2221X1-EA1 require any special configuration software?

    No special configuration is needed; it functions as a mechanical and electrical interface for repeater modules, which are configured within the DeltaV system.