Guizhou Yuanmiao Automation Equipment Co., Ltd.: 1Yr

Anshun, Guizhou, China; Main products: ABB Triconex Foxboro LAM, Bentley Motorola Schneider, Kollmorgen HIMA ALSTOM, Reliance GE HONEYWELL NI、ICS

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Home > Products > Emerson > Emerson KJ2004X1-BA1 DeltaV Control System Remote Interface Unit

Emerson KJ2004X1-BA1 DeltaV Control System Remote Interface Unit

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Product Description

Emerson Series Module Summary -3

Emerson KJ2004X1-BA1 DeltaV Control System Remote Interface Unit

Emerson KJ2004X1-BA1 is a Remote Interface Unit (RIU) in the DeltaV control system. As a key component connecting on-site equipment and the central control system, it is mainly used to expand I/O capabilities and support distributed control architectures. The following is a detailed introduction:

Working Principle

Signal Conversion and Transmission
It collects analog or digital signals from on-site devices such as sensors and transmitters through fieldbuses (e.g., HART, Foundation Fieldbus, or Profibus), and converts them into digital formats (e.g., converting 4-20mA signals into digital values).
Through the redundant communication network of the DeltaV system (such as Ethernet or a dedicated high-speed bus), the processed data is transmitted to the main controller, while receiving control instructions from the main controller.

Distributed Control
It supports local logic operations and can execute simple control strategies (such as PID loop control) at the RIU level, reducing the burden on the main controller and achieving distributed intelligent control.
It has a fail-safe design. When communication with the main controller is interrupted, it can maintain a preset state or execute a safe shutdown logic to ensure the safety of the production process.

Remote Monitoring and Diagnosis
It real-time monitors its own status and the health status of connected devices (such as signal loss, loop faults) and feeds back diagnostic information through the system interface.
It supports remote configuration and firmware upgrades, allowing configuration updates without on-site operations.

Functional Characteristics

High Reliability
Adopts redundant design (such as dual power supplies, dual communication paths) to ensure that a single point of failure does not affect system operation.
Complies with SIL 2/3 safety standards (depending on configuration), suitable for safety-critical applications.

Flexible Expansion
Supports hot swapping, allowing on-line addition or replacement of modules, reducing downtime.
Multiple RIUs can be cascaded to expand the number of I/O points, adapting to the needs of large-scale control systems.

Environmental Adaptability
It has a wide operating temperature range (-40℃ to 70℃), resists vibration and impact, and is suitable for harsh industrial environments.
The protection level is usually IP20 (needs to be installed in a control cabinet), and some models support higher protection levels.

Seamless Integration
It is deeply integrated with the engineering environment of the DeltaV system (such as DeltaV Explorer) and supports unified configuration and monitoring.
Compatible with multiple fieldbus protocols, it can connect third-party intelligent devices.

Technical Parameters

Parameter	Details
Power Supply	- Local bus: 5VDC@300mA max; 3.3VDC@500mA max - Field power supply: usually 24VDC
Communication Interface	- System bus: redundant Ethernet or dedicated high-speed bus - Fieldbus: supports HART, FF, Profibus, etc.
I/O Capacity	Depends on specific configuration, usually supports 16-64 I/O channels (expandable)
Processing Capacity	The cycle time is as low as 10ms, supporting high-speed control scenarios
Safety Certifications	SIL 2/3 (IEC 61508), ATEX/IECEx (explosion-proof), CSA, etc.
Physical Specifications	- Dimensions: approximately 15cm×10cm×5cm - Weight: approximately 0.5kg - Installation: DIN rail or panel mounting

Application Fields

Oil and Gas
Remote wellsite monitoring, pipeline pressure monitoring, distributed control of offshore platforms.

Chemical and Pharmaceutical
Reactor temperature/pressure control, remote I/O expansion in hazardous areas, batch production process monitoring.

Power and Energy
Substation automation, auxiliary system control of generator sets, remote monitoring of new energy sources (such as wind power, photovoltaics).

Manufacturing
Distributed control of large production lines, warehouse logistics automation, robot integration control.

Water Treatment and Environmental Protection
Remote pump station monitoring in sewage treatment plants, data collection of water quality analysis instruments, pipeline network pressure regulation.

Summary

As a remote interface unit of the DeltaV system, KJ2004X1-BA1, with its high reliability, flexible expandability and environmental adaptability, has become a core component of the distributed control architecture in industrial automation. It is especially suitable for application scenarios that require remote I/O expansion, high safety guarantee or harsh environments. By seamlessly integrating into the DeltaV ecosystem, it simplifies engineering design and operation and maintenance processes, and improves the overall system efficiency.

Company Profile

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Main products: Covering globally renowned brands: Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, AB (Allen-Bradley), Motorola, GE Fanuc, Yaskawa, Bosch Rexroth Rexroth, ACSO, YOKOGAWA, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R B&r, SST, ALSTOM, KUKA EPRO, LAM HIMA dark Horse, HONEYWELL, prosoft, AMAT, SIEMENS, etc. The product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., which are widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

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Guizhou Yuanmiao Automation Equipment Co., Ltd.: Contact nameyezi
Chat Now; AddressXixiu District, Anshun, Guizhou

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Product Categories

ABB	Bently Nevada	TRICONEX	GE
ICS Triplex	HIMA	MOTOROLA	WOODWARD
HONEYWELL	Foxboro	Schneider Modicon	YOKOGAWA
EPRO	MOOG	Westinghouse	Reliance
Emerson	B&R	ALSTOM	LAM
KONGSBERG	FANUC	National Instruments	Kollmorgen
Other Brands	Rexroth	PROSOFT	Vibro-meter
Allen-Bradley	ZYGO	Praxis	METSO
Basler Electric	A-B	XYCOM	AMAT
TOSHIBA	CCC

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