



The Emerson VE5109 is a high-reliability DC/DC system power supply module designed for DeltaV M-series control architectures. It delivers stable conversion from 12 VDC or 24 VDC bulk input into regulated system voltages required by controllers, I/O interfaces, and backplane electronics.
Engineered for continuous industrial operation, the VE5109 is widely deployed in process automation environments where power integrity directly impacts system uptime. Its modular design allows seamless integration into DeltaV power carriers, enabling both standard and redundant power configurations.
What makes the VE5109 particularly valuable is its ability to simplify system architecture—eliminating multiple discrete power sources while ensuring clean, isolated, and stable power distribution for mission-critical automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | VE5109 |
| Product Type | DC/DC System Power Supply Module |
| Platform | DeltaV M-series |
| Input Voltage | 12 VDC (–4% to +5%) / 24 VDC ±20% |
| Input Current | 14.8 A (12 VDC) / 6.1 A (24 VDC) |
| Output Voltages | 12 VDC / 5 VDC / 3.3 VDC |
| 12 VDC Output Current | Up to 13 A (12 V input) / 8 A (24 V input) |
| Auxiliary Output Power | 5 VDC & 3.3 VDC combined up to 10 W |
| Overvoltage Protection | 110% – 120% of nominal output |
| Input Protection | Internal non-replaceable fuse |
| Isolation | Galvanic isolation between system and field power |
| Hold-up Time | ~5 ms at full load |
| Operating Temperature | -40°C to +70°C (derated above 60°C) |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5% – 95% non-condensing |
| Vibration | 1 mm (5–16 Hz), 0.5 g (16–150 Hz) |
| Shock | 10 g, 11 ms half-sine |
| Mounting Type | DeltaV carrier / DIN rail system |
| Cooling | Convection (fanless design) |
| Dimensions (H × W × D) | 160 mm × 140 mm × 50 mm |
| Weight | Approx. 0.5 – 1.4 kg (varies by configuration) |
Recommended System Components
For stable DeltaV M-series system design, the VE5109 is commonly paired with the following modules:
| Model | Function |
|---|---|
| VE5009 | Enhanced system power supply (higher power architecture) |
| VE5011 | Bulk AC to 24 VDC conversion module |
| VE5008 | Redundant DC power supply module |
| VE4070 | Carrier interface and backplane adapter |
| VE4060C1 | I/O carrier assembly (8-wide configuration) |
| VE4026 | Simulation / virtual I/O module |
These modules ensure a scalable, redundant, and noise-resistant power ecosystem for distributed control systems.
Popular Emerson DeltaV Power Modules
Within the DeltaV ecosystem, the VE5109 is part of a widely adopted family of power and control modules:
- VE5009 DC/DC Enhanced System Power Supply
- VE5011 AC to 24 VDC Bulk Power Module
- VE5008 Redundant System Power Supply
- VE5007 Legacy Power Interface Module
- VE4012 Analog Input Module
- VE4013 Analog Output Module
- VE4201 Remote I/O Interface
- VE4060 Series Carrier Modules
These components are designed to ensure seamless interoperability and long-term system stability.