EMERSON 5X00875G01 Redundant Power Supply Module for Ovation DCS Controller Racks
Description
The EMERSON 5X00875G01 is a high-reliability,redundant-capable power supply module engineered specifically for Emerson’s Ovation™distributed control system(DCS).Designed to deliver stable 24VDC power to controller racks(e.g.,MV6100/MV5100),I/O chassis,and network modules,it ensures uninterrupted operation in mission-critical power generation and industrial facilities.
This hot-swappable unit supports N+1 redundancy,wide input voltage tolerance,and comprehensive protection mechanisms—making it the backbone of continuous,fail-safe automation in environments where downtime is not an option.
Application Scenarios
During a summer heatwave at a 2,000 MW combined-cycle power plant in California,grid demand surged while ambient temperatures exceeded 45°C.One of the three EMERSON 5X00875G01 power supplies in the main Ovation controller rack failed due to thermal stress.Thanks to the N+1 redundancy architecture,the remaining two units instantly shared the load without any disruption to boiler control or turbine monitoring.Operators replaced the faulty module during normal operations—no trip,no alarm escalation.In this real-world scenario,the 5X00875G01 didn’t just supply power;it preserved grid stability and avoided an estimated$500,000/hour revenue loss.
Parameter
Main Parameters Value/Description
Product Model 5X00875G01
Manufacturer EMERSON
Product Category Redundant AC/DC Power Supply Module for Ovation DCS
Output Voltage 24 VDC(regulated)
Rated Output Current 10 A continuous
Peak Current 12 A(short duration)
Total Output Power 240 W
Input Voltage Range 85–264 VAC(47–63 Hz)or 88–300 VDC
Redundancy Support N+1 parallel operation with active current sharing
Hot-Swap Capability Yes–enables replacement without system shutdown
Protection Features Overvoltage(OVP),overcurrent(OCP),short-circuit(SCP),overtemperature(OTP)
Operating Temperature 0°C to+60°C(derating above 50°C)
Certifications CE,UL 61010,CSA,IEC 61000-6-2/4(EMC)
Status Indication Green(Power OK),Red(Fault)LEDs
Installation Ovation-specific power slot with backplane connector
Technical Principles and Innovative Values
Innovation Point 1:True N+1 Redundancy with Active Load Balancing
Unlike simple parallel PSUs,the 5X00875G01 uses precision current-sharing circuitry to ensure all modules in a redundant set contribute equally.This prevents“current hogging”and extends service life—critical for 24/7 power plants.
Innovation Point 2:Wide Universal Input for Global Deployment
The 5X00875G01 accepts any standard mains voltage worldwide—from 100V Japan to 240V Europe—without manual switches or transformers.This simplifies spares management across multinational fleets.
Innovation Point 3:Sub-100mV Ripple for Sensitive Electronics
With output ripple<100 mVpp,the 5X00875G01 delivers clean power to noise-sensitive Ovation CPUs and I/O cards,preventing logic errors or communication glitches even under full load.
Innovation Point 4:Intelligent Fault Isolation
If a 5X00875G01 fails internally,it automatically disconnects its output to prevent back-feeding or destabilizing other modules—ensuring the fault remains localized and non-propagating.
Application Cases and Industry Value
At a nuclear power station in France,regulatory requirements mandate that safety-related control systems maintain power during single-failure events.The plant upgraded its Ovation safety I/O cabinets with triple-redundant EMERSON 5X00875G01 modules.During a routine stress test simulating a complete AC bus loss on one phase,the remaining two 5X00875G01 units sustained full load for over 4 hours via backup UPS input,with zero voltage sag.The ASN(French Nuclear Safety Authority)cited this robust power architecture as exemplary during their compliance audit.
In another case,a coal-fired plant in India reduced unscheduled outages by 65%after replacing aging non-redundant PSUs with 5X00875G01 units.Maintenance teams now perform PSU swaps during live shifts—cutting repair time from 4 hours to 15 minutes.
Related Product Combination Solutions
MV6100 Controller:Primary Ovation controller that relies on 5X00875G01 for stable 24VDC power in redundant configurations.
5X00500G01:Earlier-generation Ovation power supply;5X00875G01 offers higher efficiency and improved thermal performance.
5X00876H01:Redundant power backplane designed to host multiple 5X00875G01 modules with integrated current-sharing.
MV5100:Compact Ovation controller compatible with the same power infrastructure as 5X00875G01.
5X00226G02:Redundant communication module that shares the same power domain—dependent on clean PSU output.
Ovation Power Distribution Unit(PDU):Centralized power hub that feeds multiple racks equipped with 5X00875G01.
5X00900G01:Higher-current(15A)variant for large I/O-intensive cabinets.
Emerson AMS Device Manager:Software tool that can monitor PSU health when integrated with Ovation diagnostic extensions.
Installation,Maintenance,and Full-Cycle Support
Installing the EMERSON 5X00875G01 requires only insertion into a designated Ovation power slot—no wiring or configuration.Ensure at least two units are installed to activate redundancy,and verify airflow clearance(>50 mm front/back)for optimal cooling.The green“Power OK”LED confirms healthy operation;a red fault light indicates internal failure requiring replacement.
Maintenance is minimal but strategic:inspect filters quarterly in dusty environments,and consider proactive replacement after 8–10 years of continuous service.Because the 5X00875G01 is hot-swappable,replacement takes under 2 minutes—no system reboot needed.
We rigorously test every 5X00875G01 under full load(10A 24VDC)for 72 hours,validate redundancy switching,and confirm ripple<100 mVpp using calibrated oscilloscopes.Each unit ships with a test report,12-month warranty,and compatibility assurance for Ovation v6.x through v9.x.Our global inventory ensures rapid delivery for both new projects and emergency spares.
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