Emerson KJ3003X1-EA1 12P0921X022 Serial Interface Terminal Block

The Emerson KJ3003X1-EA1 12P0921X022 Serial Interface Terminal Block is a critical connectivity module designed to facilitate serial communication between field devices and Emerson’s DeltaV and Ovation distributed control systems (DCS). This terminal block provides a reliable and organized interface for wiring serial communication signals such as RS-232 and RS-485, enabling seamless integration of intelligent field devices, programmable logic controllers (PLCs), and third-party equipment into the control network.

Built with industrial-grade materials, the KJ3003X1-EA1 ensures low signal loss, minimal interference, and secure data transmission under harsh industrial conditions. Its compact modular design supports high-density installation while maintaining organized wiring and easy maintenance. The terminal block is engineered for robust performance, enabling stable communication links for mission-critical process control and automation systems.

With its versatile compatibility and compliance with Emerson DCS platforms, the KJ3003X1-EA1 is widely deployed in power generation, oil & gas, petrochemical, and manufacturing applications where secure serial connectivity is essential.

Product Specifications

Applications

• Serial Communication Integration: Connects intelligent field devices to DeltaV and Ovation control systems via RS-232/RS-485.

• Distributed Control Systems (DCS): Provides a secure and organized interface for serial data wiring.

• Industrial Automation: Links PLCs, HMIs, and third-party devices to Emerson DCS platforms.

• Power Generation Plants: Facilitates communication between turbine controllers and auxiliary equipment.

• Oil & Gas Facilities: Ensures stable serial data exchange for process monitoring and control systems.

• Chemical and Petrochemical Plants: Handles serial interfaces for analyzers, sensors, and control devices.

Product Advantages

• Stable Data Transmission: Ensures reliable serial communication with minimal signal loss.

• Versatile Protocol Support: Compatible with RS-232, RS-485, and other serial standards.

• Industrial Durability: Built with corrosion-resistant contacts and rugged materials for long-term use.

• Efficient Wiring Organization: Modular design simplifies high-density wiring and maintenance.

• Seamless DCS Integration: Fully compatible with Emerson DeltaV and Ovation systems.

• Noise Immunity: Designed to maintain data integrity in electrically noisy environments.

• Compliance: Meets CE, UL, RoHS, and IEC standards for industrial control applications.

FAQ

1. What is the main function of the Emerson KJ3003X1-EA1 Serial Interface Terminal Block?

   It provides a wiring interface for serial communication between field devices and Emerson DCS systems.

2. Which serial protocols are supported by this terminal block?

   It supports RS-232, RS-485, and other standard serial communication protocols.

3. Is the KJ3003X1-EA1 compatible with Emerson DeltaV systems?

   Yes, it is fully compatible with DeltaV and Ovation DCS platforms.

4. Does the terminal block provide electrical isolation?

   Isolation is handled by the associated serial interface module, while the terminal block ensures secure wiring.

5. Can it be used for integrating third-party PLCs and HMIs?

   Yes, it is commonly used to link external devices to Emerson control networks via serial connections.

6. What type of signals does this terminal block handle?

   It is designed for digital serial communication signals.

7. Is the KJ3003X1-EA1 suitable for high-density wiring applications?

   Yes, its compact design allows efficient high-density cabinet installations.

8. What materials are used for the contacts?

   The contacts are made of a high-conductivity, corrosion-resistant alloy.

9. Can this terminal block operate in electrically noisy environments?

   Yes, it is engineered with shielding and design features to maintain data integrity.

10. Does the KJ3003X1-EA1 meet industrial compliance standards?

    Yes, it complies with CE, UL, RoHS, and IEC control system standards.