The GE IS215VPROH2B is a VME Protection Assembly Board used in the Mark VI Speedtronic gas turbine control system. GE designed this board to provide emergency turbine protection by monitoring critical inputs and triggering turbine trip solenoids when needed. Engineers often refer to it as the Turbine Emergency Trip Board or Turbine Protection Board.

Technical Specifications

• Manufacturer: General Electric (GE)
• Product Series: Mark VI Speedtronic
• Part Number: IS215VPROH2B
• Product Type: VME Protection Assembly
• Assembly Type: IS215 Special Assembly
• Functional Revision: B
• Total Revisions: 1

Power and Electrical

• Power Supply Voltage: 125 VDC
• Solenoid Response Time: 0.1 second (L/R Time Constant)
• MPU Sensitivity: Minimum 27 mV peak at 2 Hz
• Trip Solenoids: Six per VPRO (three per TREG)
• Redundancy Supported: Simplex or TMR

Input/Output

• Number of Inputs: 3
• Number of Outputs: 6

Environmental

• Operating Temperature Range: -30 to 65 ºC

Mechanical and Build

• Board Size: 33.0 cm (H) × 17.8 cm (W)
• Weight: 5.00 lbs
• Mounting Type: VME Rack
• Technology: Surface Mount