GE IS215VPROH2B Key features
Delivers independent emergency overspeed and shutdown protection separate from main control logic
Triple-redundant VPRO architecture maintains safety even during board swap
Integral speed pickups and analog/thermocouple sensing for overspeed and exhaust over-temperature protection
Front-panel Ethernet and D‑shell communication ports enable diagnostics and system configuration
Self-powered onboard regulation generates required 5 V and 28 V for internal relays
INSTALLATION:
Power down the Mark VI VME rack before handling the module.
Align the VPRO board carefully with the VME backplane connectors.
Insert the board fully and secure it using the captive screws on both panel ends.
Restore power and verify LED indicators on the module’s front panel for proper operation.
OPERATION:
The VPRO module provides emergency overspeed protection using three redundant boards. It also handles backup synchronization checks and interfaces with six trip solenoids. Three analog inputs and nine thermocouple inputs allow precise monitoring of turbine exhaust temperatures.


Typical cooperation cases
Europe – Gas Turbine Safety Drives
Installed in VPRO modules to provide overspeed protection in power-generation turbines; triple redundancy ensures uninterrupted emergency response.
North America – Industrial Power Plants
Used for backup synchronization check and exhaust over-temp protection linked to TREG terminal boards and central logic.
Middle East – Offshore Platform Control Racks
Deployed within separate protection racks to ensure safe turbine shutdowns during marine environment operations.
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