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Product Introduction
The Emerson KJ3222X1-EA1 Redundant Analog Terminal Block is a critical component within Emerson’s DeltaV™ digital automation system, designed to provide redundant and reliable analog signal processing for industrial applications. This terminal block is specifically engineered for use in systems where uninterrupted operations are vital, and it ensures signal accuracy even under challenging environmental conditions.
Equipped with a dual-channel redundant design, the KJ3222X1-EA1 provides the necessary failover capability to ensure the continuous processing of analog signals, minimizing the risk of downtime in high-stakes industries such as oil and gas, power generation, and chemical processing. Its redundancy ensures that even if one channel fails, the system continues to operate with the other, maintaining the integrity of data and preventing any loss of control signals.
The KJ3222X1-EA1 terminal block supports a variety of signal types, including current, voltage, and resistance, making it versatile for diverse industrial control systems. With its rugged design, easy integration, and robust diagnostics, this module provides excellent performance in safety-critical applications.
Product Specifications
| Parameter | Details |
|---|---|
| Model | KJ3222X1-EA1 |
| Product Type | Redundant Analog Terminal Block |
| Input Channels | 8 analog channels |
| Supported Signal Types | Voltage (0-10 V), Current (4-20 mA), RTD, Thermocouple |
| Input Range | 0 to 10 V, 4 to 20 mA, ±200 mV, RTD (specific ranges vary) |
| Accuracy | ±0.1% of full scale |
| Redundancy | Dual input channels for failover |
| Power Supply | 24 VDC ±20% |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (H x W x D) | 118 x 102 x 30 mm |
| Weight | 0.2 kg |
| Mounting Type | DIN rail or panel mount |
| Diagnostics | Open circuit, short circuit, over-range, under-range |
| Signal Isolation | Channel-to-channel isolation |
| Certifications | CE, UL, CSA, FM, ATEX |
Product Applications
The Emerson KJ3222X1-EA1 Redundant Analog Terminal Block is designed for use in applications where redundant and precise analog signal processing is essential. Key industries that benefit from this product include:
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Chemical and Petrochemical: For monitoring critical parameters such as temperature, pressure, and flow in chemical reactors, pipelines, and refineries.
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Oil and Gas: Provides reliable signal processing for instrumentation in offshore platforms, gas processing plants, and storage facilities.
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Power Generation: Used to monitor and control temperature, pressure, and flow in power plants, turbines, and boilers.
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Water and Wastewater Treatment: Ensures accurate measurement of pH, chemical dosing, and flow rates in water treatment facilities.
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Pharmaceutical Manufacturing: Ideal for sterile environments where precise measurements are crucial for maintaining product quality and compliance.
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Food and Beverage: For use in production processes where maintaining strict temperature and flow conditions is necessary for quality control.
The redundancy in this terminal block ensures that critical signals are always available, improving overall system reliability and safety in these industries.
Product Advantages
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Redundancy for Continuous Operation: The dual-channel redundant design guarantees that even if one channel fails, the system continues to operate, minimizing downtime and improving reliability.
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High Precision and Accuracy: The KJ3222X1-EA1 provides a high level of accuracy (±0.1% of full scale), ensuring that measurements are precise and reliable for critical control tasks.
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Wide Input Compatibility: Supports various analog signals, including voltage, current, RTD, and thermocouples, making it versatile for different industrial applications.
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Rugged and Reliable: Built to withstand harsh industrial environments, with an operating temperature range of -40°C to +70°C and a wide humidity tolerance.
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Flexible Mounting Options: Can be easily mounted on a DIN rail or directly onto a panel, providing flexibility for various installation scenarios.
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Advanced Diagnostics: Includes diagnostics for open circuits, short circuits, over-range, and under-range conditions, enabling fast identification and troubleshooting of issues.
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Channel Isolation: Channel-to-channel isolation prevents signal interference, ensuring the integrity of each individual signal.
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Certification for Hazardous Locations: ATEX and FM certified, making it suitable for use in explosive environments, commonly found in industries such as oil and gas and chemical processing.
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Cost-Effective Maintenance: The terminal block’s redundancy and diagnostic capabilities help reduce maintenance costs by preventing unexpected failures and minimizing downtime.
Frequently Asked Questions (FAQ)
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What signal types does the KJ3222X1-EA1 support?
It supports voltage (0-10 V), current (4-20 mA), RTD, and thermocouple signals. -
What is the advantage of the redundant design?
The redundant design ensures that the system continues to operate if one input channel fails, ensuring continuous signal processing and minimizing system downtime. -
What is the accuracy of the terminal block?
The KJ3222X1-EA1 has an accuracy of ±0.1% of full scale, providing highly precise signal processing. -
Can this terminal block be used in hazardous environments?
Yes, the module is ATEX and FM certified, making it suitable for use in explosive and hazardous locations. -
What is the input range of the KJ3222X1-EA1?
The input range is 0 to 10 V, 4 to 20 mA, and ±200 mV for RTD and thermocouple signals (range varies by type). -
What mounting options are available for this module?
It can be mounted on a DIN rail or directly onto a panel, providing flexibility for installation. -
What is the power supply requirement for the KJ3222X1-EA1?
The terminal block requires a 24 VDC power supply with a tolerance of ±20%. -
What diagnostic features are available?
The KJ3222X1-EA1 includes diagnostics for open circuits, short circuits, over-range, and under-range conditions. -
What is the weight of the KJ3222X1-EA1 terminal block?
The terminal block weighs 0.2 kg. -
What is the operating temperature range of this product?
The KJ3222X1-EA1 can operate in temperatures ranging from -40°C to +70°C.
Related Models in the Same Series
| Model | Description | Type | Compatibility |
|---|---|---|---|
| KJ3222X1-CA1 | Redundant Analog Terminal Block with advanced diagnostics | Analog Terminal Block | DeltaV Series |
| KJ3222X1-DA1 | Dual-channel Analog Terminal Block for critical systems | Analog Terminal Block | DeltaV Series |
| KJ3212X1-BA1 | 16-channel Analog Terminal Block | Analog Terminal Block | DeltaV Series |
| KJ3212X1-AA1 | Analog Terminal Block with higher fault tolerance | Analog Terminal Block | DeltaV Series |
| KJ3222X1-BB1 | Extended I/O capabilities with high reliability | Analog Terminal Block | DeltaV Series |
| KJ3212X1-CA2 | Redundant I/O Terminal Block for high-availability systems | Analog Terminal Block | DeltaV Series |
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