The Emerson KJ2003X1-PW1 is a Redundant SLS (Smart Logic Solver) Terminal Block used in DeltaV™ SIS (Safety Instrumented System) architecture, part of Emerson’s Ovation™ and DeltaV™ control systems. This module provides critical field wiring termination and signal handling capabilities for redundant logic solvers, ensuring high-integrity, fail-safe operation in safety-critical applications. It serves as the electrical interface between safety I/O modules and field devices such as pressure switches, emergency shutdown valves, and other safety-rated sensors and actuators.

The KJ2003X1-PW1 is engineered for redundant safety loop configurations, allowing seamless transition between primary and backup logic solvers without interrupting the system operation. It is typically mounted on the SLS backplane and designed for ease of installation, diagnostics, and field wiring.

Product Specifications

Product Applications

The Emerson KJ2003X1-PW1 Redundant SLS Terminal Block is critical in systems where safety, reliability, and redundancy are paramount. Common applications include:

• Emergency Shutdown Systems (ESD)

  Facilitates reliable connection and signal transmission from safety-critical field instruments to redundant logic solvers.

• Fire and Gas Detection Systems

  Interfaces with detection sensors and solvers, ensuring fast and fail-safe signal routing during hazardous events.

• Turbine Safety Control

  Provides field termination for turbine trip logic and redundant control paths for safety signals.

• High-Integrity Pressure Protection Systems (HIPPS)

  Used for redundant signal transmission from pressure transmitters and valve actuators in HIPPS loops.

• Chemical and Petrochemical Safety Instrumentation

  Supports SIL 3 safety loops in process-critical environments like refineries and chemical plants.

• Power Plant Safety Systems

  Ensures continuous communication between the field and control logic during fault-tolerant operational scenarios.

Product Advantages

• Full Redundancy Support

  Designed specifically to accommodate two logic solvers simultaneously, allowing high availability and failover support.

• High Compatibility

  Seamlessly integrates into DeltaV and Ovation SIS platforms, reducing engineering and installation time.

• Compact and Robust Design

  Small form factor for space-constrained cabinets, yet rugged enough for harsh industrial environments.

• Simplified Field Wiring

  Clear terminal labeling and structured layout ease installation, reducing wiring errors in safety systems.

• SIL 3 Certified

  Compliant with IEC 61508 standards, ensuring it can be used in the highest integrity-level applications.

• Maintenance-Friendly

  Passive device with no configuration required; reduces downtime and simplifies diagnostics and replacement procedures.

FAQ

1. Can the KJ2003X1-PW1 terminal block support both analog and digital signals?

   Yes, it supports both analog pass-through and digital I/O signal termination depending on the logic solver configuration.

2. Does the module provide signal isolation?

   Signal isolation is handled by the SLS logic solver itself; the terminal block serves as the physical interface.

3. Is it compatible with other Emerson redundant SLS modules?

   Yes, it is designed to work directly with redundant SLS cards in DeltaV SIS systems.

4. What wiring method does it support?

   It supports both screw-terminal and spring-clamp wiring based on system configuration.

5. Can it be used in SIL 3 safety loops?

   Yes, it is certified SIL 3 capable per IEC 61508 standards when used with compatible logic solvers.

6. How is redundancy managed in this terminal block?

   The block provides dual channels for primary and secondary SLS modules, enabling seamless failover.

7. Does it require external power supply?

   No, it draws operational power through the system backplane.

8. Is there any diagnostic indication on the terminal block itself?

   No direct diagnostics; all status and fault detection is handled by the logic solver and engineering tools.

9. Can the terminal block be hot-swapped?

   Typically no; safe handling procedures require system de-energization before replacing terminal blocks.

10. How is the module configured or initialized?

    The terminal block is a passive device and does not require configuration; all logic is managed by the SLS.