GE IS215VPROH2BD Turbine Protection Board - Emergency Safety Control

General Electric's IS215VPROH2BD delivers critical emergency overspeed protection for Mark VI turbine systems. This protection board ensures fail-safe operation with triple redundant design.

Technical Specifications

• Brand: General Electric
• Model: IS215VPROH2BD
• Product Type: Turbine Protection Board
• Series: Mark VI Speedtronic
• Operating Voltage: 24 V DC or 48 V DC
• Power Supply: 125 V DC input range
• Voltage Range: 70 V DC to 145 V DC
• Output Voltages: 5 V DC and 28 V DC
• MPU Frequency: 2 Hz to 20 kHz range
• Speed Accuracy: 0.05% of reading

Protection System Capabilities

• Emergency overspeed trip protection
• Three redundant VPRO board configuration
• Twelve relay control on TREG board
• Nine voting input relays
• Three trip solenoid groups
• Secondary TREG board drive capability
• Fail-safe operation design
• Redundant power paths

Input & Output Configuration

• Passive speed pickup inputs
• Generator voltage measurement
• Bus voltage monitoring
• Thermocouple input support
• 4-20 mA current signal inputs
• Voltage signal inputs available
• Trip interlock inputs
• Emergency stop functionality

Performance Characteristics

• Frame Rate: Up to 100 Hz maximum
• Processing Speed: 10/20/40 ms cycles
• MPU Output Resistance: 500 ohms
• MPU Inductance: 100 mH typical
• Short Circuit Current: 50 mA maximum
• Normal Mode Load: 10 kΩ input
• Cable Distance: 300 meters maximum
• Signal Integrity: Shielded pair required

Installation Procedure

• Power down VME I/O rack completely
• Insert board into designated slot
• Push top and bottom levers securely
• Tighten captive front panel screws
• Connect J3, J4, J5, J6 connectors
• Attach J7 for 125 V DC power
• Power up system gradually
• Check diagnostic LED indicators

System Indicators & Controls

• Eleven LED status indicators
• Run LED: Green operation light
• Status LED: Yellow condition indicator
• Fail LED: Red fault indication
• Front panel reset button
• Latching type connectors
• Secure cable connections
• Real-time status monitoring

Communication & Integration

• Ethernet IONet communication
• Control module interface
• TPRO terminal board connection
• TREG terminal board interface
• TRPG board coordination
• System network integration
• Data exchange capability
• Remote monitoring support

Package Contents

• One IS215VPROH2BD protection board
• Installation hardware kit
• Connection accessories
• Technical documentation
• Protective packaging materials

Shipping Services

• FedEx express delivery option
• UPS worldwide shipping
• DHL international service
• Package tracking included
• Secure packaging standard
• Fast order processing

Warranty Coverage

• 12-month product warranty
• Technical support services
• Installation assistance
• Replacement service
• Quality guarantee

Professional FAQ

• How many trip solenoids can this board control?
• The protection board manages up to three trip solenoids through TREG and TRPG terminal boards with redundant power paths.
• What redundancy modes does the system support?
• It operates in both simplex and Triple Modular Redundancy modes with voting inputs for maximum safety reliability.
• What communication interfaces are available?
• The board features Ethernet IONet communication for control module integration and real-time data exchange.
• How does the emergency overspeed protection work?
• Triple redundant VPRO boards in a dedicated module independently monitor speed and activate trip solenoids when needed.
• What is the maximum sensor cable distance?
• Sensors can be located up to 300 meters away using shielded pair cables with specified capacitance and resistance values.

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