Overview

The VE4001S2T2B4 is designed for demanding process control applications. It houses a powerful CPU running the DeltaV control executive, executing control strategies with loop execution rates as fast as 50 ms. The module supports up to 32 analog and 64 discrete control loops per controller. It includes two independent Ethernet ports for connection to the DeltaV network, supporting redundant communication paths. When paired with a secondary controller, it provides automatic failover with no loss of control integrity, ensuring maximum availability.

Key Features

• High-performance processor: 1.2 GHz dual-core, 64-bit.

• Memory: 4 GB RAM, 8 GB flash for controller database and logs.

• Redundancy: Supports 1:1 hot standby with automatic synchronization.

• Ethernet: 2 x 10/100/1000BASE-T ports with integrated switch for network redundancy.

• I/O capacity: Up to 64 local I/O modules; supports remote I/O via fiber or copper.

• Communication protocols: DeltaV native, Modbus TCP/RTU, OPC UA, PROFIBUS DP (via gateway).

• Security: Role-based access control, secure boot, and audit trail.

• Diagnostics: Front panel LEDs for status, error, and activity; SNMP support.

Technical Specifications

• Model: VE4001S2T2B4

• Processor: Intel Atom E3845 (1.91 GHz, quad-core) or equivalent

• RAM: 4 GB DDR3L

• Storage: 8 GB eMMC flash

• Ethernet ports: 2 x RJ45 with auto-MDI/MDIX, 10/100/1000 Mbps

• Serial ports: 1 x RS-232 (console)

• USB: 2 x USB 2.0 for local diagnostics

• Power supply: 24 VDC (18-32 VDC), 15 W typical

• Operating temperature: 0°C to +60°C

• Humidity: 5% to 95% non-condensing

• Dimensions: Standard DeltaV module form factor (2HP wide)

• Certifications: CE, UL, CSA, ATEX Zone 2 (optional)

Applications

The VE4001S2T2B4 is deployed across a wide range of industries including chemical, pharmaceutical, oil and gas, power, and food & beverage. It handles complex batch control, continuous processes, and safety instrumented functions when paired with appropriate I/O. Its redundancy makes it ideal for critical applications such as reactor control, turbine management, and pipeline monitoring.

Conclusion

With its robust processing power, redundancy options, and extensive connectivity, the Emerson VE4001S2T2B4 controller module provides a solid foundation for modern process automation, ensuring high performance and reliability.