GE IS200TVBAH2ACC

The GE IS200TVBAH2ACC is a Vibration Input Terminal Board (TVBA) designed for the GE Speedtronic Mark VI and Mark VIe turbine control systems. It serves as the critical interface between field-mounted vibration sensors and the control system's processing modules, providing signal conditioning, excitation, and termination for high-frequency signals from proximity probes, seismic sensors, accelerometers, and 4–20 mA transmitters used in gas and steam turbine condition monitoring. The "ACC" suffix indicates the board is supplied with conformal coating, providing additional protection against moisture, dust, and corrosive contaminants, making it suitable for harsh environments in power plants and industrial facilities.