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The Emerson FX-490 CPU Module is a robust, high-performance processor designed for the demanding needs of modern industrial automation. Built to integrate seamlessly into the Emerson DeltaV™ control system, the FX-490 enhances process control and operational efficiency in complex, large-scale applications. With its powerful 1.5 GHz processor, expanded memory options, and flexibility for scalability, this CPU module supports a wide range of industries—from manufacturing to energy and chemical processing—by providing unparalleled reliability and ease of integration.

Technical Specifications

Specification	Details
Model	Emerson FX-490
Module Type	CPU Module
Processor Speed	1.5 GHz
Memory	4 GB (Expandable)
Operating Voltage	24V DC
I/O Capacity	Up to 4096 I/O
Communication Ports	2 x Ethernet, 1 x USB
Dimensions	7.5" x 6.3" x 3.1" (190 mm x 160 mm x 78 mm)
Weight	3.5 lbs (1.6 kg)
Mounting Type	Rack-mounted
Network Support	EtherNet/IP, Modbus TCP/IP

Recommended Related Models

If you're considering system expansion or enhanced performance, check out these related Emerson models:

Emerson FX-480 – Ideal for smaller applications needing standard CPU capabilities
Emerson FX-495 – A high-performance alternative with additional processing power and I/O capacity
Emerson DX-1000 – A distributed I/O module designed for flexible system configuration

Popular Emerson Models

Emerson's comprehensive automation portfolio includes models such as:

Emerson DX-3000 – A flexible, advanced I/O module designed for complex control systems
Emerson FX-440 – Standard CPU with high-speed Ethernet support for general automation tasks
Emerson SC-200 – Supervisory control for process and batch management in complex industries

Applications

The Emerson FX-490 CPU Module is designed to optimize control systems in various sectors, including:

Chemical Processing: Reliable, real-time control of complex, multi-step processes in chemical plants.
Energy: Efficient management of power generation, renewable energy sources, and distribution systems.
Oil & Gas: Ensures precise control in upstream, midstream, and downstream oil and gas processes.
Manufacturing: Maximizes operational uptime in high-volume production lines, ensuring smooth workflow.

Advantages

High-Performance Processing: Powered by a 1.5 GHz CPU, the FX-490 provides rapid decision-making capabilities for time-sensitive industrial tasks.
Expandable Memory: With 4 GB of memory that can be expanded, the FX-490 supports growing system demands and complex program storage.
Seamless System Integration: Built to integrate effortlessly with the Emerson DeltaV™ control platform, reducing the learning curve and implementation time.
Flexible I/O Support: Scalable I/O capacity (up to 4096 points) makes the FX-490 adaptable to both small and large automation systems.
Energy Efficient: The FX-490 operates with low power consumption, reducing both energy costs and environmental impact while delivering high performance.

Technical FAQs

What is the processor speed of the Emerson FX-490?
The FX-490 is equipped with a 1.5 GHz processor, providing superior speed and efficiency for industrial applications.
Can the Emerson FX-490 module be used in hazardous environments?
The FX-490 can be used in industrial settings but requires additional protective enclosures when used in hazardous locations.
How much memory does the FX-490 come with?
The module includes 4 GB of memory, which is expandable based on your system’s needs.
What is the maximum I/O capacity supported by the FX-490?
The FX-490 can support up to 4096 I/O points, making it highly scalable for large control systems.
Does the FX-490 support legacy Emerson systems?
Yes, the FX-490 is designed for seamless integration with previous generations of Emerson control systems.
Which communication protocols does the FX-490 support?
It supports EtherNet/IP and Modbus TCP/IP, providing robust communication for modern industrial networks.
How is the FX-490 mounted?
The FX-490 is designed for rack mounting, simplifying installation and integration into control cabinets.
What power supply does the FX-490 require?
The FX-490 operates on 24V DC power, which is standard for most industrial control systems.
Is the memory upgradeable on the FX-490?
Yes, the memory is expandable, allowing you to increase capacity as your automation needs grow.
What industries benefit the most from using the FX-490?
The FX-490 is particularly beneficial for industries such as chemical processing, energy production, oil & gas, and manufacturing, where high reliability and scalability are critical.