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Product Introduction
The Emerson VE5123 Power Supply Module is a high-performance, industrial-grade power conversion module designed for Emerson’s DeltaV™ and Ovation™ control systems. Engineered to convert 100–240 V AC input into a stable 24 V DC output at 10 A, this module provides reliable power to a wide array of field devices, I/O modules, and communication cards within process automation systems.
The VE5123 is built for continuous operation in industrial environments, offering protection against overvoltage, overcurrent, and thermal events. Its compact design and modular form factor allow easy installation into standard rack systems, simplifying maintenance and system expansion. By delivering consistent and clean DC power, the module ensures optimal performance and longevity of connected equipment, enabling uninterrupted process control in industries such as power generation, oil & gas, chemical processing, and water treatment.
Technical Specifications
| Parameter | Details |
|---|---|
| Model Number | VE5123 |
| Product Type | Power Supply Module |
| Input Voltage | 100–240 V AC, 50/60 Hz |
| Output Voltage | 24 V DC nominal |
| Output Current | 10 A |
| Power Rating | 240 W |
| Efficiency | >90% |
| Operating Temperature | -20 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 5 %–95 % non-condensing |
| Dimensions (W × H × D) | 123 × 60 × 110 mm |
| Weight | 0.8 kg |
| Mounting | Standard DeltaV/Ovation rack slot |
| Protection Features | Overvoltage, overcurrent, short-circuit, thermal shutdown |
| Compliance | CE, UL, RoHS |
| Indicators | Front-panel LED for output status |
Applications
The VE5123 Power Supply Module is suitable for a variety of industrial applications that require stable and reliable DC power:
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Power Generation: Powers I/O modules, instrumentation, and communication interfaces in turbine and generator control systems.
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Oil & Gas: Supplies power to field control devices, analyzers, and serial communication cards in refineries and pipelines.
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Chemical & Petrochemical: Provides stable DC power for process instrumentation and distributed control modules.
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Water & Wastewater Treatment: Powers controllers, sensors, and SCADA communication modules.
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Industrial Manufacturing: Ensures reliable operation of automation devices, motor controllers, and monitoring systems.
The module’s high-efficiency design and broad input voltage range make it adaptable to various electrical environments.
Advantages
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Wide Input Range: Compatible with 100–240 V AC mains, suitable for global installations.
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High Reliability: Protects against overvoltage, overcurrent, and thermal events to ensure uninterrupted operation.
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High Efficiency: Converts AC to DC efficiently, minimizing energy loss and heat generation.
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Compact and Modular: Space-saving design simplifies installation and maintenance in rack-mounted systems.
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Industrial Durability: Operates reliably across a wide temperature range and in harsh industrial conditions.
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Seamless Integration: Designed to power DeltaV and Ovation system modules without additional configuration.
FAQ
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What is the nominal output voltage and current of the VE5123?
It provides 24 V DC output at a maximum of 10 A for powering automation modules. -
What AC input range does the module accept?
It operates with 100–240 V AC, 50/60 Hz, allowing global deployment without voltage conversion. -
Does it include protection features?
Yes, the module has overvoltage, overcurrent, short-circuit, and thermal protection. -
Can multiple VE5123 modules be used in parallel?
Yes, parallel operation is possible to increase available current, provided proper load-sharing is implemented. -
Is the output regulated?
Yes, the module delivers a stable 24 V DC output under varying load conditions. -
How is the module monitored?
A front-panel LED indicates output status, and the system can monitor module health via DeltaV diagnostics. -
Can it handle high-temperature environments?
Yes, it is rated for continuous operation from -20 °C to +70 °C. -
Is the module hot-swappable?
Yes, it can be replaced or added without shutting down the DeltaV or Ovation system, following proper safety procedures. -
What efficiency does the power supply achieve?
It operates with greater than 90% efficiency, reducing energy loss and heat buildup. -
Can it power communication cards and I/O modules simultaneously?
Yes, its 10 A output is sufficient to support multiple modules and serial interface cards concurrently.
Related Models (Same Series or Compatible)
| Model Number | Description |
|---|---|
| VE5121 | 24 V DC, 5 A Power Supply Module |
| VE5122 | 24 V DC, 7 A Power Supply Module |
| VE5124 | 24 V DC, 15 A High-Capacity Power Supply |
| VE5125 | 24 V DC, Redundant Power Supply Module |
| VE5126 | 24 V DC, Wide-Input Range Power Supply |
| VE5127 | 24 V DC, Extended Temperature Power Supply |
Popular Emerson Models
| Model Number | Description |
|---|---|
| VE4001S2B3 | Serial Interface Module |
| VE4003S2B1 | Analog Input Module for DeltaV Systems |
| VE4005S2B2 | Digital Output Module for High-Density Applications |
| VE4023S2B3 | Fieldbus Interface Module |
| VE4051S2B2 | High-Speed Ethernet Communication Module |
| VE4104S2B1 | Redundant Controller Module for DeltaV |
