GE IS215VPROH2B Emergency Turbine Protection Board

Description

The GE IS215VPROH2B Emergency Turbine Protection Board is a Mark VI VPRO module providing independent overspeed and emergency‑stop protection for gas and steam turbines. It operates in a TMR protection architecture and interfaces with TPRO and TREG terminal boards to drive trip solenoids.

Specifications

• Manufacturer: General Electric

• Part Number: IS215VPROH2B

• Series: Mark VI

• Functional Acronym: VPRO

• Product Type: Emergency Turbine Protection Assembly Module

• Number of Inputs: 3

• Number of Outputs: 6

• Board Dimensions: 33.0 cm H × 17.8 cm W

• Product Weight: 2.4 kg

• Power Supply Input: 125 V DC from cabinet PDM

• Generated Voltages: 5 V DC and 28 V DC

• Redundancy Setup: Triple Modular Redundant (R8, S8, T8)

• Supported Terminal Boards: TPRO and one TREG

• Front Panel Ports: Power plug, Ethernet ID, IONet Ethernet, parallel port, five D‑shell ports

• Speed Sensing: Six passive magnetic speed pickups

• Repair Lead Time: 3–7 business days

• Availability: In stock

• Country of Origin: United States

• Manual Reference: GEH‑6421J

Features

• Emergency Overspeed Protection: Provides independent turbine overspeed trip logic

• TMR Architecture: Triple redundant VPRO boards ensure high‑availability protection

• Trip Solenoid Control: Drives up to three trip solenoids through TREG and TRPG

• IONet Communication: Ethernet‑based communication with Mark VI control modules

• Relay Voting Logic: Controls 12 relays on TREG; nine relays form three voting groups

• Lower‑Power Variant: VPROH2B omits support for a second TREG board

• Mark VI Integration: Fully compatible with Mark VI emergency protection architecture

FAQ

• What is IS215VPROH2B: It is an emergency turbine protection board for GE Mark VI systems.

• What does the VPRO module do: It provides overspeed protection, emergency stop, and trip‑solenoid control.

• How many trip solenoids are supported: Up to three solenoids via TREG and TRPG.

• What is the difference between VPROH1B and VPROH2B: VPROH2B is lower‑power and does not support a second TREG board.

• What terminal boards are required: One TPRO and one TREG.