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Product Overview
The Emerson KJ4001X1-CH1 is an RTD (Resistance Temperature Detector) Terminal Block designed to work seamlessly within the DeltaV™ and Ovation™ control systems. As part of the Emerson PlantWeb® digital architecture, this terminal block serves as a critical interface between field-installed RTD sensors and the I/O subsystem. Its primary role is to ensure secure, accurate signal transmission from temperature sensors to the control system for high-precision industrial automation applications.
Engineered for reliability and precision, the KJ4001X1-CH1 features robust mechanical construction, ease of integration, and strong immunity to electrical noise, making it suitable for harsh and mission-critical process environments. The block is built to support multiple RTD input channels with high accuracy and long-term stability.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | KJ4001X1-CH1 |
| Product Type | RTD Terminal Block |
| Manufacturer | Emerson Process Management |
| System Compatibility | DeltaV™, Ovation™ |
| Input Type | RTD (Platinum 100Ω, 200Ω, etc.) |
| Input Channels Supported | 8 Channels (typical) |
| Mounting Type | DIN Rail or panel mounting |
| Insulation Resistance | >100 MΩ at 500 VDC |
| Terminal Type | Screw or Spring-clamp terminals |
| Wire Gauge Support | 22–12 AWG |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Housing Material | High-impact thermoplastic |
| Certifications | CE, ATEX, FM, CSA, IECEx |
| Dimensions (L x W x H) | 90 x 41 x 65 mm |
| Weight | 0.1 kg |
Applications
The Emerson KJ4001X1-CH1 is deployed across various industrial sectors where temperature monitoring is essential. Its high reliability and modular design make it ideal for:
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Oil & Gas Processing Plants
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Power Generation Facilities
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Chemical & Petrochemical Industries
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Pharmaceutical Manufacturing Units
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Pulp & Paper Mills
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Water & Wastewater Treatment Plants
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Food & Beverage Process Control
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Mining and Metallurgy Automation
These environments often require continuous temperature surveillance for quality control, safety, and process optimization, which this terminal block delivers effectively.
Product Advantages
-
High Accuracy and Stability:
Designed for accurate RTD signal transmission with low noise and long-term stability. -
System Compatibility:
Fully integrated with DeltaV and Ovation systems for plug-and-play installation. -
Robust Construction:
Withstands harsh industrial environments with a durable thermoplastic housing. -
Easy Installation and Maintenance:
Simplified wiring with clearly marked terminal connections and support for standard wire gauges. -
Reduces Downtime:
Reliable signal interface reduces signal loss and maintenance frequency. -
Certified for Safety and Compliance:
Meets international safety standards (ATEX, FM, CSA, etc.), ideal for hazardous locations.
Frequently Asked Questions (FAQ)
-
What RTD types are supported by KJ4001X1-CH1?
It supports standard RTDs such as Pt100, Pt200, and other platinum-based sensors. -
Is this terminal block hot-swappable?
No, it should be de-energized during installation or removal for safety and system integrity. -
Does it require calibration?
The terminal block itself does not require calibration, but the connected I/O modules should be configured appropriately. -
Can it be used in hazardous areas?
Yes, it has ATEX and FM approvals for use in classified hazardous environments. -
What control systems are compatible with this model?
It is fully compatible with Emerson’s DeltaV and Ovation systems. -
What is the maximum wiring distance from the RTD to the terminal block?
This depends on the RTD type and wire gauge but typically should not exceed 300 meters. -
Can it handle 3-wire and 4-wire RTD configurations?
Yes, it supports both configurations depending on system setup. -
What is the primary benefit over traditional wiring methods?
It significantly reduces signal loss and wiring complexity, improving overall system reliability. -
Is there any special software required for configuration?
Configuration is typically managed through DeltaV or Ovation system software, not the terminal block itself. -
What maintenance is required?
Periodic inspection for physical integrity and terminal tightening is recommended; otherwise, minimal maintenance is needed.
Related Models from the Same Series
| Model Number | Description | Compatibility |
|---|---|---|
| KJ4001X1-BA1 | Analog Input Terminal Block | DeltaV™, Ovation™ |
| KJ4001X1-BB1 | Analog Output Terminal Block | DeltaV™ |
| KJ4001X1-CC1 | Digital Input Terminal Block | DeltaV™, Ovation™ |
| KJ4001X1-CD1 | Digital Output Terminal Block | DeltaV™ |
| KJ4001X1-CA1 | Thermocouple Terminal Block | DeltaV™ |
| KJ4001X1-BE1 | Mixed Signal Terminal Block (AI + DI) | DeltaV™, Ovation™ |
Popular Models from Emerson (Same Brand)
| Model Number | Description | System |
|---|---|---|
| KJ3221X1-BA1 | Analog Input Module | DeltaV™ |
| KJ3002X1-BB1 | Analog Output Module | DeltaV™ |
| KJ3204X1-BA1 | Digital Input Module | DeltaV™ |
| KJ3222X1-BA1 | Digital Output Module | DeltaV™ |
| VE4001S1T2T1B2 | Redundant Controller (MD Plus) | DeltaV™ |
| KJ4002X1-BB1 | HART Multiplexer Terminal Block | DeltaV™, Ovation™ |
