Emerson KJ2231X1-EC1 SIS Line End Resistor Module

Overview

The Emerson KJ2231X1-EC1 is an SIS Line End Resistor Module designed for use in industrial safety and process control systems. It provides line-end resistance for signal circuit supervision, helping the control system monitor circuit integrity and identify abnormal wiring conditions.

General Information

Part Number: KJ2231X1-EC1

Manufacturer: Emerson

Brand: Emerson

Product Type: SIS Line End Resistor Module

System: Safety Instrumented System (SIS)

Function: Line-end circuit termination and supervision

Application: Safety signal circuit monitoring and termination

Typical Applications: SIS field wiring, circuit integrity monitoring, and end-of-line supervision

Country of Origin: United States

Power Specifications

Operating Power: Passive circuit component

Power Consumption: No independent power supply required

Resistor Function: Provides defined end-of-line resistance for circuit supervision

Electrical Role: Supports detection of open or abnormal signal circuits

Connection: Installed at the designated end of the monitored SIS circuit

The KJ2231X1-EC1 operates as part of the monitored circuit rather than as an independently powered control module.

Communication & Interface

Interface Type: SIS signal circuit connection

Signal Function: End-of-line circuit termination

Circuit Monitoring: Supports supervision of connected safety circuits

Wiring Function: Provides the required termination resistance at the end of the field circuit

System Interface: Compatible with the associated Emerson safety control architecture

The module helps the SIS identify wiring integrity conditions by maintaining the expected electrical characteristics of the monitored circuit.

Environmental

Installation Environment: Industrial control and safety system installation

Operating Environment: Designed for use within industrial automation and process control systems

Storage Environment: Suitable for controlled industrial equipment storage

Humidity: Suitable for typical industrial control cabinet environments

Installation: Intended for installation as part of the associated SIS field circuit

Environmental Design: Built for reliable use in industrial safety applications

Dimensions & Weight

Dimensions (H × W × D): 80 × 25 × 60 mm

Weight: 0.12 kg

Compact Safety Termination — Ready for Reliable System Integration!