VE4002S2T2B8 Emerson

VE4002S2T2B8 Emerson central processing unit

Product  Description：

Emerson Central Processing Units, particularly those within the DeltaV and PACSystems (formerly GE) families, serve as the high-performance core of distributed control systems and programmable logic controllers. These CPUs are engineered to handle complex logic, advanced process control algorithms, and extensive data communication across industrial networks. They act as the primary decision-maker in an automation architecture, ensuring that field data is processed in real-time to maintain safety and operational efficiency.

Product Parameters

The technical profile of an Emerson CPU is defined by its computational power and its ability to manage large-scale industrial I/O:

• Processor Architecture: High-speed, multi-core processors designed for deterministic execution of control logic and high-speed floating-point calculations.

• Memory Capacity: Large non-volatile flash memory for program storage and high-speed RAM for data execution, often ranging from 32MB to 1GB depending on the controller tier.

• Redundancy Support: Built-in hardware support for 1:1 redundancy, allowing for bumpless switchover between a primary and a standby CPU in less than one scan cycle.

• Communication Ports: Integrated dual or quad Ethernet ports supporting protocols such as PROFINET, Modbus TCP, EtherNet/IP, and OPC UA.

• Scan Time: Capable of sub-millisecond logic execution, providing the responsiveness needed for high-speed turbine control or discrete manufacturing.

• Environmental Resilience: Designed to operate in Class 1 Division 2 hazardous locations with extended temperature ratings from -40°C to 70°C.

Product Advantages

Emerson CPUs are recognized for their reliability in mission-critical applications:

• Software-Defined Flexibility: Using the PACMachine or DeltaV engineering environment, these CPUs allow for logic changes and hardware configuration updates without stopping the process (Online Edits).

• Cybersecurity Integration: Engineered with "secure by design" principles, including hardware-based root of trust, encrypted firmware, and Achilles Level 2 certification to protect against cyber threats.

• Native Redundancy: The synchronization between redundant pairs is handled at the hardware level, ensuring that the standby controller is always an exact mirror of the active unit without extra programming.

• Edge Computing Capabilities: Modern Emerson CPUs often feature integrated Linux-based environments, allowing users to run Python scripts or data analytics tools directly on the controller alongside real-time logic.

• Long-Term Lifecycle: Emerson provides extensive support for legacy hardware, ensuring that newer CPUs can often be integrated into existing racks with minimal rewiring.

Product Applications

These central processing units are deployed in environments where downtime is not an option:

• Oil and Gas Refineries: Managing complex distillation columns, safety instrumented systems (SIS), and emergency shutdown (ESD) protocols.

• Power Generation: Controlling steam and gas turbines, boiler feed pumps, and synchronization with the electrical grid.

• Life Sciences: Overseeing batch processing in pharmaceutical manufacturing where strict adherence to FDA 21 CFR Part 11 and high-precision temperature control are required.

• Water and Wastewater: Managing distributed pump stations and treatment processes across wide geographic areas using fiber optic or wireless backbones.

• Chemical Processing: Handling aggressive chemical reactions that require high-speed PID loops and sophisticated interlocking logic.

Important Precautions

To ensure the integrity of the control system, users must adhere to the following guidelines:

• Proper Grounding: The CPU and the associated rack must be grounded to a low-impedance earth ground. Improper grounding can lead to intermittent CPU resets or corruption of the internal memory.

• Firmware Synchronization: When using redundant pairs, it is vital that both CPUs are running the exact same firmware version. Incompatible firmware can prevent the standby unit from assuming control during a failure.

• Battery Management: Many CPUs use a lithium battery or a supercapacitor to maintain the real-time clock and retentive memory. Monitor battery health alarms and replace them only when the system is powered on to avoid data loss.

• Airflow and Spacing: Do not obstruct the ventilation gaps above or below the CPU module. Excessive heat buildup inside a control cabinet can significantly shorten the lifespan of the processor and increase the risk of thermal shutdown.

• Static Protection: Always use an ESD wrist strap when handling the CPU module or inserting SD memory cards. Static discharge can damage the internal high-speed bus components that are not protected by external ports.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.