GE IS215VPROH2BC Turbine Protection / Emergency Trip Board

FAQ

Q1. What is the IS215VPROH2BC used for?
It is a high‑speed turbine protection and emergency trip processing board in the GE Mark VI Speedtronic control system that detects faults and initiates safe turbine shutdowns.

Q2. What types of protection functions does this board provide?
It handles emergency overspeed protection, emergency trip logic, backup synchronization check, and rapid solenoid actuation to safely stop the turbine.

Q3. How many trip solenoid outputs does the board support?
It provides six trip solenoid control outputs, typically interfaced through TREG/TPRO terminal boards.

Q4. What power supply does the IS215VPROH2BC require?
The board runs on a 125 VDC control power supply.

Q5. Does this board support redundant operation?
Yes; it supports simplex and triple modular redundancy (TMR) to improve fault tolerance.

Q6. What is its typical operating environment?
It is designed for industrial turbine control cabinets with operating temperatures from approximately –30 °C to +65 °C.

Q7. What happens if the board fails?
Failure of this protection board can result in loss of emergency trip and overspeed protection, risking unsafe turbine operation or delayed shutdown.

Q8. How large and heavy is the IS215VPROH2BC?
The board measures about 33.0 cm × 17.8 cm and weighs around 2.3 kg.

GE IS215VPROH2BC

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