IS200BPIAG1A GE Mark VI

The GE IS200BPIAG1A is a Bridge Personality Interface Board (BPIA). This module is part of the Mark VI IS200 product series and serves as one of the core components in gas turbine and steam turbine control systems.

Serving as a "bridge" between the control side and the power side, this board is located between the VME control rack and the three-phase IGBT driver, and is responsible for converting the control system's PWM pulse signals into gate drive signals capable of driving high-power IGBT modules.

This board combines 8 configurable analog inputs with a three-phase IGBT gate drive interface and is vividly described by the industry as a fusion of the inverter's "sensory nerves" and "phase commander."

In the Mark VI system, this board typically serves as the rack's main controller or core processor module. It acts as the "brain" and communication hub of the control rack, managing all I/O modules within the rack, executing control logic, and exchanging data with other racks via a high-speed network.

• Product Type: Bridge Arm Custom Interface Board (Analog Input + IGBT Driver)
• Series: GE Speedtronic Mark VI
• Main Power Supply: 24V DC ±10%, ≤1.5A
• Resolution: 16-bit
• Switching Frequency: 0-25 kHz
• Isolation Voltage: 2500 Vrms (primary ↔ secondary)
• Fault Response Time: ≤300 µs
• Test Points: 29
• Operating Temperature: -40°C to +70°C
• Storage Temperature: -45°C to +85°C

The IS200BPIAG1A is specifically designed for harsh industrial environments and is primarily suitable for the following applications:

• Power Generation: Gas Turbine Control Systems: Used for drive control and monitoring of gas turbines
• Steam Turbine Control Systems: Suitable for industrial steam turbine power generation systems
• Combined-Cycle Power Plants: This module has been used to track temperature changes in auxiliary bearings at a 400 MW combined-cycle power plant
• Nuclear Power Plant Auxiliary Power Systems: Used for lubricating oil temperature monitoring

The IS200BPIAG1A integrates four types of signals--current, voltage, RTD, and thermocouple--into a single unit. With built-in 24V DC sensor excitation, it eliminates the need for external converters and excitation power supplies, significantly simplifying system architecture and field wiring.

Acquisition accuracy of ≤±0.05% FS, combined with a 4th-order Butterworth low-pass filter, ensures signal quality under complex operating conditions; 1 Gbps redundant backplane communication ensures uninterrupted data transmission. Combined with a wide operating temperature range of -40°C to +70°C and an anti-interference design, the device achieves an MTBF exceeding 100,000 hours.

Suitable for industrial applications--such as chemical processing, power generation, and wind power--that demand stringent acquisition accuracy and continuous operation, it is the preferred solution for high-reliability process control systems.