IS200TPROH1BBB GE Mark VI Protection Board – Emergency Overspeed Trip

Product Description: IS200TPROH1BBB Protection Board

The IS200TPROH1BBB is a protection termination board from General Electric for the Mark VI series. It delivers critical signals (speed, temperature, generator voltage, bus voltage) to the VPRO system. This forms an independent emergency overspeed and synchronization protection system. It ensures safety and stability in turbine operations. The board coordinates prompt responses during emergencies, prioritizing system integrity.

Technical Specifications

Key Features & System Integration

• Overspeed protection – independent emergency stop function.
• VPRO redundancy – triple-redundant boards manage trip solenoids via TREx modules.
• Input provision – TPRO supplies all three VPRO boards with essential signals.
• Cabling configuration – clear layout from TPRO to VPRO and TREx terminal boards.
• Relay voting – 9 relays form 3 groups to vote inputs for trip solenoids.
• Secondary TREG – additional board driven via J4 for enhanced redundancy.
• Environmental tolerance – operates from -30°C to 65°C, suitable for harsh turbine environments.
• Interference immunity – robust design for industrial noise resistance.

Typical Applications

• Industrial gas and steam turbine control systems.
• Emergency overspeed protection in power generation.
• Synchronization protection for generator buses.
• Retrofit and upgrade of older Mark V or legacy systems.

Diagnostic & Troubleshooting

• Voting logic – monitors trip solenoid inputs for fault detection.
• LED indicators – status of relays and power supply (reference only).
• Resistance checks – on MOVs and varistors for surge protection.
• Capacitor inspection – visual check for bulging or leakage.
• Potentiometer adjustment – R-designated trim pots for fine-tuning.

Installation, Commissioning & Maintenance

• Mounting – panel mount with terminal blocks for easy wiring.
• Wiring – labeled terminals 1 to 48 for clear connections.
• Commissioning – verify input signals and relay voting before startup.
• Maintenance – periodic inspection of capacitors, MOVs, and relays.
• No special tools – standard industrial hand tools suffice.

Compatibility

• Mark VI series turbine control systems.
• VPRO, TREx, TREG, TREL, TRES, TRPx (TRPG, TRPL, TRPS) terminal boards.
• Compatible with Modicon Quantum communication interfaces.

Packaging, Warranty & Shipping

• Packaging – anti-static bag with foam padding in a rugged carton.
• Warranty – 12-month comprehensive warranty against defects.
• Shipping carriers – FedEx, UPS, DHL (global express).
• Shipping origin – USA (stock available).

Why Buy From Oiltech Controls?

• Over 15 years in industrial automation spare parts.
• Worldwide shipping support with tracked delivery.
• Industrial surplus and refurbished options, fully tested.
• 12-month warranty on every board.
• Technical verification before shipment – no DOA.
• Support for obsolete control systems, including legacy GE/Mark series.
• Dedicated customer support for installation queries.

Frequently Asked Questions (FAQ)

• Q: Is this board compatible with Mark V?
  A: No, it is specifically for Mark VI series.
• Q: Does it come with a cable harness?
  A: No, cables are ordered separately.
• Q: Can I use this for both gas and steam turbines?
  A: Yes, it suits both types in the Mark VI system.
• Q: What is the typical lead time?
  A: Stock items ship within 1-2 business days.
• Q: Does it support 24 V DC inputs?
  A: No, it uses 125 V DC for trip solenoids.

Contact Information:
Email: info@oiltechcontrols.com
Phone (WhatsApp): +86 158 8020 0923

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