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 KJ2101X1-CA1 displacement module processor module

Emerson KJ2101X1-CA1 displacement module processor module

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Material	Other	Certification	Other
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Product Description

EMERSON 1C and 5X series modules

Emerson KJ2101X1-CA1 displacement module processor module

As a displacement module processor module, Emerson KJ2101X1-CA1 is a key component used for high-precision displacement signal processing and control in the field of industrial automation, especially playing an important role in scenarios such as equipment condition monitoring and mechanical vibration analysis. The following is a detailed introduction from the aspects of working principle, functional characteristics, technical parameters and application cases:

Working Principle
The core function of the KJ2101X1-CA1 module is to process, analyze and convert the original signals collected by displacement sensors (such as eddy current sensors, magnetostrictive sensors, etc.). The specific process is as follows:

Signal Acquisition: Connect to on-site displacement sensors through a dedicated interface to receive analog displacement signals (such as high-frequency modulated signals from eddy current sensors, voltage/current signals from linear displacement sensors).

Signal Processing: It has a built-in high-precision signal conditioning circuit, which performs filtering (removing electromagnetic interference and noise), amplification, linearization calibration and other processing on the original signal to ensure the stability and accuracy of the signal.

Data Conversion and Calculation: Convert analog signals into digital signals through a high-performance A/D converter (usually 16-bit or higher), calculate the actual displacement value (such as linear displacement, angular displacement) combined with built-in algorithms, and support real-time calculation of derived parameters such as displacement change rate (velocity) and acceleration.

Communication and Control: Transmit the processed displacement data to the main controller through the DeltaV system bus or industrial protocols (such as HART, Modbus), and receive control commands at the same time to realize closed-loop control of the actuator (such as adjusting mechanical position, triggering alarm protection).

Functional Characteristics

High-Precision Signal Processing

Supports various types of displacement sensors (eddy current, capacitive, magnetostrictive, etc.) and is suitable for different measurement scenarios (such as axial displacement, radial vibration, gap monitoring).
Equipped with low-noise amplifier circuit and digital filtering function, ensuring measurement accuracy (usually error ≤ ±0.1% FS) even in strong industrial electromagnetic environments.

Real-Time Monitoring and Diagnosis

Collects and outputs displacement data in real-time (such as 4-20mA analog or digital quantity) with fast response speed (millisecond level), meeting the needs of dynamic monitoring.
Built-in self-diagnostic function, which can monitor sensor disconnection, signal abnormality, module hardware failure, etc., and feed back the status through LED indicators or system alarm signals.

Compatibility and Integration

Specifically designed for Emerson DeltaV distributed control system, it can be seamlessly connected to the system bus and work collaboratively with other I/O modules and controllers.
Supports hot swapping, allowing online replacement of modules without interrupting system operation, improving maintenance convenience.

Industrial-Grade Reliability

Adopts anti-vibration and anti-shock design, adapting to harsh industrial environments (such as high temperature, dust, strong electromagnetic interference scenarios).
Equipped with power redundancy and communication redundancy options to ensure continuous system operation and reduce the impact of single-point failures.

Technical Parameters (Reference)

Parameter Categories	Specific Description
Input Signal Type	Supports eddy current sensor signals (such as 5mV/μm sensitivity), magnetostrictive sensor signals (0-10V or 4-20mA)
Measurement Range	Typical range: 0-5mm, 0-10mm, 0-20mm (can be extended through software configuration)
Resolution	16-bit A/D conversion, minimum resolution ≤ 0.1μm (depending on the range)
Output Signal	Analog output: 4-20mA (corresponding to displacement range); Digital output: RS-485/Modbus protocol
Communication Interface	Supports DeltaV system bus and HART protocol, enabling real-time interaction with the main controller
Operating Environment	Temperature: -20°C ~ 60°C (industrial grade); Humidity: 5% ~ 95% (non-condensing)
Power Requirements	24VDC power supply, power consumption ≤ 5W
Safety Certifications	Complies with industrial standards such as IEC 61508 (SIL 2) and ATEX (applicable to explosive areas)

Application Cases

With its high-precision displacement measurement capability, the KJ2101X1-CA1 module is widely used in industrial scenarios that require real-time monitoring of mechanical position or vibration status:

Axial Displacement Monitoring of Rotating Machinery (such as steam turbines, compressors)
In the steam turbine system of a power plant, the module is connected to an eddy current sensor to monitor the axial displacement of the rotor. When the rotor displacement exceeds the threshold due to thermal expansion or wear, the module outputs an alarm signal in real-time, triggering the control system to shut down for protection, avoiding collision between the rotor and the stator, and ensuring equipment safety.

Roll Gap Control of Rolling Mills (Metallurgical Industry)
In the steel rolling mill production line, the module collects the displacement signal of the gap (roll gap) between the rolls through a magnetostrictive sensor, processes it and transmits it to the control system. According to the preset plate thickness parameters, the module outputs control signals to adjust the position of the hydraulic cylinder, precisely controlling the roll gap size to ensure uniform thickness of the rolled plate.

Vibration and Displacement Monitoring of Machine Tool Spindles
In the precision machine tool processing process, the module collects the radial vibration displacement and axial runout signals of the spindle in real-time, and analyzes the vibration trend in combination with the control system. When the displacement value exceeds the allowable range of the process, it automatically adjusts the spindle speed or feed rate to reduce processing errors and improve product precision.

Displacement Monitoring of Bridges/Building Structures
In the health monitoring system of large bridges or high-rise buildings, the module is connected to linear displacement sensors to monitor the micro-displacements (such as millimetre-level) of the structure caused by load and temperature changes for a long time. The data is transmitted to the monitoring center remotely, providing a basis for structural safety assessment.

Closed-Loop Position Control of Hydraulic Equipment
In equipment such as hydraulic presses and injection moulding machines, the module receives the piston position signal fed back by the displacement sensor, adjusts the opening of the hydraulic valve through the PID algorithm, realizes precise positioning of the piston movement (such as the injection position control of injection moulding machines), and improves production efficiency and product consistency.

Summary
As a displacement module processor module under Emerson, KJ2101X1-CA1 has core advantages of high-precision signal processing, strong environmental adaptability and system compatibility. It is a key component for displacement monitoring and closed-loop control of industrial equipment, and is widely used in fields such as electric power, metallurgy, and machinery manufacturing that have extremely high requirements for measurement accuracy and reliability.

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

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