Description

The GE DS200PCCAG1ABB is a Power Connect Card(PCCA)designed for the GE Mark V Speedtronic™turbine control system,serving as the central power distribution and protection hub within the Mark V core or I/O rack.It receives regulated DC voltages(typically+5V,±15V,+24V)from upstream power supply boards—such as the DS200PCAH1A or DS200PSAH1A—and distributes them via fused,monitored circuits to critical downstream modules including:

DSPCH(Digital Signal Processor boards)

DTBA(Discrete Terminal Boards)

PTBA(Analog Terminal Boards)

RTBA(Relay Terminal Boards)

Communication and interface cards

Mounted vertically in the Mark V chassis,the DS200PCCAG1ABB features individual fuse protection per voltage rail or board group,LED status indicators for each output,and test points for voltage verification.Its robust design includes conformal coating to withstand high humidity,dust,and temperature swings common in power generation environments.

Unlike passive bus bars,the PCCA actively enhances system reliability by isolating faults—if one I/O board shorts,only its fuse blows,preventing a total rack shutdown.

Application Scenario

During a routine inspection at a combined-cycle plant in Ohio,operators noticed intermittent“Loss of I/O”alarms on one Mark V controller leg.Voltage measurements at the DSP board revealed sagging+5V during high-load transients.Tracing the issue led to a cracked solder joint on an aging DS200PCCAG1ABB,causing intermittent contact on the fused+5V line.After replacing it with a new,tested DS200PCCAG1ABB,all voltages stabilized within±2%tolerance.The plant avoided a potential turbine trip during a subsequent grid frequency event—protecting over$400,000 in daily revenue and maintaining NERC compliance.

Parameter

Main Parameters Value/Description

Model DS200PCCAG1ABB

Manufacturer General Electric(GE Power/GE Vernova)

Product Type Power Connect Card(PCCA)

Compatible Systems GE Mark V Speedtronic™(Simplex,Dual,TMR configurations)

Input Voltages+5V DC,+15V DC,–15V DC,+24V DC(from PCAA/PSAA supplies)

Output Circuits Multiple fused branches(typically 4–8 per voltage rail)

Fuse Type Miniature blade or PCB-mount fuses(field-replaceable)

Indicators LEDs per output:Green=Power OK,Off=Fuse blown or open circuit

Test Points Accessible vias for multimeter probing of each rail

Mounting Vertical slot in Mark V core/I/O rack(backplane-connected)

Operating Temperature 0°C to+60°C

Protection Conformal coated(IPC-CC-830 compliant),reverse polarity protected

Certifications UL 508,CE,RoHS

Technical Principles and Innovative Values

Innovation Point 1:Fault Containment Architecture

By segmenting power delivery with individual fusing,the DS200PCCAG1ABB prevents localized failures from cascading—a key principle in safety-critical control systems.

Innovation Point 2:Real-Time Power Health Visibility

Front-panel LEDs allow technicians to instantly identify which circuit lost power—dramatically reducing troubleshooting time during outages.

Innovation Point 3:Seamless Integration with Redundant Supplies

In TMR systems,three PCCA cards(one per leg)operate independently,ensuring that a power fault in one channel doesn’t compromise voting integrity.

Innovation Point 4:Serviceability Without Full Rack Depower

Fuses can often be replaced while the system is online(depending on configuration),minimizing downtime during maintenance.

Application Cases and Industry Value

A steel mill in Indiana extended the operational life of its Mark V-controlled blast furnace blowers by proactively replacing all DS200PCCAG1ABB cards during a scheduled outage.Each new unit was pre-tested for fuse continuity and voltage drop.Over the next two years,the site reported zero unplanned outages due to power distribution faults—a first in over a decade.The 90,000investmentpreventedanestimated2.3M in potential production losses.

Related Product Combination Solutions

GE DS200PCAH1A/DS200PSAH1A:Primary power supply boards feeding the PCCA

GE DS200DSPCH1ADA:DSP controller powered via PCCA+5V/+15V rails

GE DS200DTBAG2A/PTBAG1A:I/O terminal boards dependent on PCCA outputs

GE Mark V Core Rack:Host chassis with backplane connectivity

GE Toolbox™Software:For correlating power faults with system alarms

Littelfuse 272 Series:Common replacement fuses(e.g.,272004 for 4A circuits)

Fluke 87V Multimeter:Recommended for measuring rail voltages at test points

GE Manual GEH-6190:Mark V Hardware Guide–includes PCCA wiring&fuse map

Installation,Maintenance,and Full-Cycle Support

The GE DS200PCCAG1ABB installs into a designated slot in the Mark V rack and connects automatically via the backplane—no field wiring required for power inputs.

Critical steps during replacement:

Record fuse types and ratings before removal

Verify no short circuits exist on downstream boards

Confirm all LEDs illuminate green after power-up

Maintenance best practices:

Inspect fuses annually for discoloration or fatigue

Measure voltage at test points under full load

Clean dust from fuse holders and LED lenses

We provide every DS200PCCAG1ABB with:

Burn-in test report(24 hours at 50°C ambient)

Fuse continuity and voltage drop verification

Compatibility confirmation for your Mark V configuration(TMR/Simplex)

12-month warranty

Our engineering team offers remote support for fuse mapping,redundancy validation,and integration diagnostics.

Contact us for a genuine,fully tested GE DS200PCCAG1ABB—whether you’re responding to a power instability issue,performing preventive maintenance,or building spares for your Mark V fleet.With a reliable Power Connect Card at the heart of your distribution system,every control board gets the clean,protected power it needs to keep your turbine running safely and efficiently.

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