Emerson KJ4001X1-CH1.1 Product Details

The Emerson KJ4001X1-CH1.1 is an RTD (Resistance Temperature Detector) terminal block designed for use in hazardous locations. It is a crucial component of Emerson’s DeltaV safety instrumented system (SIS), enabling the safe and reliable transmission of temperature signals from RTD sensors to the DeltaV control system. The KJ4001X1-CH1.1 plays a vital role in protecting personnel and equipment from hazardous conditions.

Key Features

Intrinsically safe The KJ4001X1-CH1.1 is certified as intrinsically safe for Class I, Division 1, Groups A, B, C, D, E, F, and G hazardous locations, ensuring safe operation in explosive atmospheres.

Dual-channel redundancy The terminal block features dual-channel redundancy, providing a backup communication path in case of a single channel failure. This redundancy ensures the high availability and integrity of temperature signals.

Fault detection and isolation The KJ4001X1-CH1.1 incorporates advanced fault detection and isolation mechanisms to identify and isolate faulty components, preventing them from compromising the integrity of the SIS.

High-accuracy signal transmission The terminal block ensures high-accuracy transmission of RTD signals, maintaining the precision of temperature measurements for reliable safety decision-making.

Rugged construction The KJ4001X1-CH1.1 is housed in a rugged enclosure designed to withstand harsh industrial environments, ensuring reliable operation in demanding conditions.

Specifications

Input type RTD (Pt100, Pt1000, Cu100)

Temperature range -40°C to 800°C (-40°F to 1472°F)

Accuracy ±0.1°C

Resolution 0.1°C

Communication protocol HART

Power supply 5 VDC @ 100 mA

Operating temperature -40°C to +70°C (-40°F to +158°F)

Protection rating ATEX II 3G Ex ec IIC Gc, FM18ATEX0076U, IECEx FMG 18.0030U, FM21UKEX0199U, CL. I Div. 2 GP. A,B,C,D, CL. I Zone 2 AEx/Ex ec IIC T4 Gc, FM18US0277U, FM19CA0005U

Dimensions 120 mm x 60 mm x 21 mm (4.72 in x 2.36 in x 0.83 in)

Weight 0.09 kg (0.2 lb)

Applications

The Emerson KJ4001X1-CH1.1 RTD Terminal Block is specifically designed for use in safety instrumented systems (SIS) in various hazardous industries, including

Oil and gas Protecting oil and gas production, transportation, and refining processes from hazardous conditions.

Chemical processing Ensuring the safety of chemical manufacturing processes, including reactors, pipelines, and storage tanks.

Power generation Safeguarding power plants from potential hazards, such as boiler explosions and turbine failures.

Pharmaceutical manufacturing Maintaining safety in pharmaceutical production processes, including bioreactors and filling lines.

Pulp and paper Protecting pulp and paper mills from fire, explosions, and other safety risks.

Additional Features

The Emerson KJ4001X1-CH1.1 RTD Terminal Block is CE certified.

The terminal block supports both local and remote configuration and maintenance options.

It is part of Emerson’s DeltaV SIS solution, which provides a comprehensive safety instrumented system for various applications.