IS215VPROH2B Emergency Turbine Protection Board

IS215VPROH2BC

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Part Number: IS215VPROH2B

Manufacturer: General Electric

Series: MKVI

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IS215VPROH2B Emergency Turbine Protection Board

The GE IS215VPROH2B module serves as a vital component in GE Mark systems, providing advanced monitoring, control, and communication capabilities. It interfaces with various sensors and actuators to facilitate real-time data acquisition and system control. The module is equipped with Ethernet and Modbus TCP/IP communication protocols, enabling seamless integration with existing network infrastructures.

Frequently Asked Questions

What is the GE IS215VPROH2B?

The IS215VPROH2B is an Emergency Turbine Protection board designed for the GE Speedtronic Mark VI gas turbine control system. It provides independent emergency overspeed protection for the turbine.

What are the key functions of the IS215VPROH2B?

The IS215VPROH2B controls trip solenoids to rapidly shut down the turbine in an emergency, monitors analog and thermocouple inputs, and operates within a triple redundant system for reliability.

How does the IS215VPROH2B interface with the turbine control system?

The IS215VPROH2B interfaces with the turbine control system through the TREG terminal board. It controls the 12 relays on TREG, with nine forming three groups to control the three trip solenoids.

What is the purpose of the triple redundant system in the IS215VPROH2B?

The triple redundant system, consisting of three independent VPRO boards (R8, S8, and T8), ensures maximum reliability. Any one board can be powered down and replaced while the turbine is running without jeopardizing the protection system.

How does the IS215VPROH2B monitor turbine speed?

The IS215VPROH2B monitors turbine speed using six passive magnetic speed pickups. The first three are monitored by the controllers for speed control and primary overspeed protection, while the second three are connected to the R8, S8, and T8 VPRO boards for emergency overspeed protection.

What are the analog and thermocouple inputs used for on the IS215VPROH2B?

The IS215VPROH2B has three analog current inputs and nine thermocouple inputs, primarily intended for exhaust over-temperature protection when used in gas turbines.

How is power supplied to the IS215VPROH2B?

Each VPRO board on the IS215VPROH2B has an onboard power supply that uses 125 V DC from the cabinet PDM to produce 5 V and 28 V. This ensures that the complete protection module contains three independent power supplies for reliability.

What is the purpose of the J1 connector on the IS215VPROH2B?

When a turbine trips in simplex systems, a cable transmits a trip signal from the J1 connector to the TSVO terminal board, which operates a servo valve clamp.

How can the IS215VPROH2B be repaired or refurbished?

Companies like IC Spares offer repair and refurbishing services for the IS215VPROH2B. They conduct a full Functional Verification Test (FVT) in their state-of-the-art lab and use only OEM-recommended components to ensure reliability.

What is the availability and lead time for the IS215VPROH2B?

The IS215VPROH2B is available in both new and rebuilt conditions. World of Controls maintains a large inventory and ships the board the same day, while Turbine Industrial ships in 3-5 days.

Where can I find the instruction manual for the IS215VPROH2B?

The comprehensive instruction manual for the IS215VPROH2B is GEH-6421

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