The Emerson VE5008, also cataloged as the VE5008 Power Supply Module, operates as a dedicated hardware component for dual-voltage DC power conversion and backplane power distribution within Emerson DeltaV system carrier nodes.
Hardware Specifications
Parameter
Specification
Model
VE5008
Brand
Emerson
Origin
USA
Weight
0.79 kg (1.75 lbs)
Dimensions
Standard DeltaV System Power Supply Dimensions
Operating Temp
-40 to 70 deg C
Power Consumption
175 W (Full Load Output Equivalent)
Input Voltage
24 VDC
Output Voltage
12 VDC / 24 VDC
Output Current Rating
6.1 A @ 24 VDC / 14.8 A @ 12 VDC
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation Power Support
The VE5008 module provides regulated DC power rails directly to the DeltaV system carrier backplane, supplying current for local I/O cards, field transmitters, and 4-20 mA HART loop interfaces. Built-in galvanic line isolation prevents ground loops and electrical transients on the primary input power feed from propagating to sensitive analog field channels or backplane logic circuits.
Frequently Asked Questions
Q: Can the VE5008 DC/DC power supply module be replaced while the system carrier is energized?
A: Yes, the VE5008 supports Removal and Insertion Under Power (RIUP) in redundant power configurations, allowing seamless replacement without disrupting power to active I/O cards on the node.
Q: What protection mechanisms are integrated into the output channels of the VE5008?
A: The module incorporates internal short-circuit protection and over-voltage clamping circuitry to isolate backplane logic in the event of field loop faults or thermal overload conditions.
Field Installation Guidelines
Verify that the primary 24 VDC input power feed is fused according to system load calculations prior to wiring the supply terminals.
Align the VE5008 module with the dedicated power supply slot on the DeltaV 2-slot or 4-slot carrier base and push firmly until the locking lever fully engages.
Terminate ground wiring directly to the system protective earth (PE) busbar using low-impedance copper conductors to ensure proper surge clamping performance.
Ensure adequate cabinet convection clearance around the module chassis (minimum 50 mm vertical clearance) to prevent thermal heat buildup during maximum continuous current output.
