The IS200DTAIH1A is a Digital Thermocouple Analog Input (DTAI) board from General Electric’s Mark VI Speedtronic™ series. Unlike the DSVO family which provides voltage outputs for actuator control, the IS200DTAIH1A serves as a high-precision temperature measurement interface board, specifically designed to accept thermocouple inputs from turbine exhaust thermocouples, bearing temperature sensors, and other critical temperature monitoring points. The IS200DTAIH1A features multiple isolated analog input channels with built-in cold junction compensation (CJC), linearization, and diagnostics. This board is essential for turbine protection systems, as exhaust temperature monitoring is a primary parameter for combustion control and overtemperature protection in GE gas turbines. The board mounts directly into a Mark VI VME backplane and communicates digitized temperature data to the main DSP processor for control algorithm execution.
The IS200DSVOH2BDB is a Digital Signal Voltage Output (DSVO) board from General Electric’s Mark VI Speedtronic™ series. This model combines the 16-channel high-density architecture of the IS200DSVOH2B with the “DB” suffix configuration, indicating a specific firmware preload, enhanced diagnostic firmware, and application-tailored settings for advanced turbine control applications. The IS200DSVOH2BDB is designed for complex multi-actuator systems requiring both high channel count and specialized configuration, such as combined-cycle plants with multiple fuel staging valves, steam admission and extraction valves, and IGV controls. It features 16 isolated 16-bit analog voltage output channels with ±10V/0–10V range, 1500V isolation per channel, and enhanced onboard diagnostics. The “DB” designation typically signifies factory configuration for specific actuator families with pre-set scaling and calibration parameters, reducing commissioning effort. The board mounts directly into a Mark VI VME backplane and interfaces with the main DSP processor for precise actuator positioning commands.
The IS200DSVOH2B is a Digital Signal Voltage Output (DSVO) board from General Electric’s Mark VI Speedtronic™ series. This model represents a higher-channel-count variant in the DSVO family, offering 16 isolated analog voltage output channels compared to the 8 channels on IS200DSVOH1A and IS200DSVOH1ABA. The IS200DSVOH2B is designed for complex turbine control systems requiring a greater number of analog actuator signals, such as multi-stage fuel valve control, multiple steam admission valves, or combined gas-steam turbine coordination. It shares the same 16-bit resolution, ±10V/0–10V output range, and 1500V isolation as the H1 series, but incorporates updated power regulation and enhanced thermal management to accommodate the higher channel density. The board mounts directly into a Mark VI VME backplane and interfaces with the main DSP processor to provide precise voltage commands for turbine actuators.
The IS200DSVOH1ABA is a Digital Signal Voltage Output (DSVO) board from General Electric’s Mark VI Speedtronic™ series. This model is a specific sub-variant of the IS200DSVOH1A, distinguished by the “ABA” suffix which typically indicates a particular firmware preload, component batch traceability, or specialized configuration for certain actuator control applications. The IS200DSVOH1ABA shares the same core hardware as the base IS200DSVOH1A, featuring 8 isolated analog voltage output channels with 16-bit resolution. The “ABA” designation often signifies factory-preloaded configuration parameters tailored for specific turbine actuator types, such as certain fuel valve or IGV actuator models, reducing on-site commissioning time. The board mounts directly into a Mark VI VME backplane and converts digital commands from the main DSP processor into precision ±10V or 0–10V analog signals for critical actuator positioning.
The IS200DSVOH1A is a Digital Signal Voltage Output (DSVO) board from General Electric’s Mark VI Speedtronic™ series. Unlike the DSPXH2 family of DSP processor boards, the IS200DSVOH1A serves as a dedicated analog output interface board, converting digital control commands from the main DSP processor (such as IS200DSPXH2BEB or IS200DSPXH2C) into precision analog voltage signals for driving turbine actuators. This board is specifically designed to generate high-resolution ±10V DC or 0–10V DC output signals to control fuel valves, inlet guide vanes (IGVs), steam admission valves, and other critical turbine actuators. The IS200DSVOH1A mounts into a Mark VI VME backplane and features multiple isolated output channels with individual channel diagnostics. It is widely used in gas turbine, steam turbine, and compressor control applications requiring accurate, low-noise analog voltage outputs with built-in fault detection.
The IS200DSPXH2DBD is a Digital Signal Processor (DSP) control board from General Electric’s Mark VI Speedtronic™ series. This model represents a later revision in the H2 family, following the IS200DSPXH2CAA and IS200DSPXH2C variants. The “DBD” suffix indicates a distinct firmware preload, component revision level, and specific application configuration, typically associated with GE Frame 9E or 9F gas turbine packages with advanced grid compliance requirements. The IS200DSPXH2DBD shares the same TI TMS320C3x floating-point DSP core and hardware architecture as other H2 boards but incorporates refined power regulation, updated Ethernet PHY components, and enhanced bootloader security. It mounts directly into a Mark VI VME backplane and executes real-time control algorithms including speed governing, fuel valve positioning, exhaust temperature monitoring, and generator synchronizing. The IS200DSPXH2DBD is specifically engineered for high-performance turbines requiring fast load ramping and grid frequency response.
The IS200DSPXH2CAA is a Digital Signal Processor (DSP) control board from General Electric’s Mark VI Speedtronic™ series. It is a specific sub-variant of the IS200DSPXH2C revision, distinguished by its “AA” suffix which typically indicates a particular firmware preload, component batch traceability, or specialized configuration for certain turbine applications. The IS200DSPXH2CAA shares the same core hardware architecture as the base IS200DSPXH2C, including the TI TMS320C3x floating-point DSP, enhanced thermal rating up to 70°C, and encrypted firmware support. The “AA” designation often signifies that this board is factory-configured for specific Frame 7E or 9E gas turbine packages, with pre-loaded application parameters that reduce commissioning time. This board mounts directly into a Mark VI VME backplane and executes real-time control algorithms for speed regulation, fuel management, temperature monitoring, and overspeed protection. The IS200DSPXH2CAA is widely deployed in power generation facilities requiring high reliability and deterministic performance in demanding environments.
The IS200DSPXH2C is a Digital Signal Processor (DSP) control board from General Electric’s Mark VI series, serving as a pivotal component within the Speedtronic™ turbine control ecosystem. While sharing the same fundamental architecture as its predecessor IS200DSPXH2BEB, the IS200DSPXH2C represents a refined revision with enhanced firmware capabilities, improved thermal management, and updated component sourcing to address obsolescence. This board is designed to execute real-time control algorithms for gas and steam turbines, including speed regulation, temperature monitoring, fuel stroke control, and protective trip logic. The IS200DSPXH2C mounts directly into a Mark VI VME backplane and interfaces with analog I/O boards, digital I/O boards, and communication gateways to form a complete turbine control solution. Known for its deterministic execution and robust fault tolerance, the IS200DSPXH2C is widely deployed in power plants, offshore platforms, and industrial cogeneration facilities where operational continuity is non-negotiable.
The IS200DSPXH2BEB is a mission-critical Digital Signal Processor (DSP) control board within General Electric’s Mark VI series gas turbine control system. As a core component of the GE Speedtronic™ Mark VI control platform, this board is specifically engineered to execute high-speed real-time control algorithms, data processing, and communication protocol conversion. The IS200DSPXH2BEB is typically installed in a Mark VI rack (VME chassis), working in conjunction with I/O boards, power supply boards, and communication boards to achieve precise closed-loop control of heavy-duty gas turbines, steam turbines, and their auxiliary equipment. Renowned for its robust floating-point computational power, redundant design support, and extreme environmental tolerance, the IS200DSPXH2BEB enjoys an outstanding reputation across the global power generation and oil & gas sectors.
The IS200DSPXH2B is a Mark VIe Discrete Serial / Protocol Extender and Hub Module manufactured by GE (now Emerson) for the Speedtronic™ Mark V and Mark VIe turbine control systems. The “DSPXH2” designation indicates an advanced module designed for discrete serial communication, protocol extension, and hub functions, providing enhanced serial communication capabilities with integrated protocol extension and hub for connecting to external systems, field devices, and plant networks. The “B” suffix denotes a specific hardware revision with enhanced processing power, improved communication capabilities, extended diagnostics, and advanced protocol extension features optimized for the Mark VIe platform.
The IS200DSPXH2B functions as a central serial, protocol extender, and hub module, providing enhanced serial ports for device connectivity, protocol extension functionality for seamless data exchange, and hub functionality for plant network connectivity. It is designed for applications requiring advanced serial communication, protocol extension, hub functions, and high performance.
The IS200DSPXH1DBD is a Mark VIe Discrete Serial / Protocol Extender and Hub Module manufactured by GE (now Emerson) for the Speedtronic™ Mark V and Mark VIe turbine control systems. The “DSPXH1” designation indicates a module designed for discrete serial communication, protocol extension, and hub functions, providing high-density serial communication capabilities with integrated protocol extension and hub for connecting to external systems, field devices, and plant networks. The “DBD” suffix denotes a specific hardware revision with enhanced processing power, improved communication capabilities, extended diagnostics, advanced protocol extension features, extended temperature tolerance, enhanced cybersecurity features, and conformal coating for harsh environments optimized for the Mark VIe platform.
The IS200DSPXH1DBD functions as a central serial, protocol extender, and hub module, providing high-density serial ports for device connectivity, protocol extension functionality for seamless data exchange, and hub functionality for plant network connectivity. It is designed for applications requiring high-density serial communication, protocol extension, hub functions, advanced diagnostics, cybersecurity, and robust environmental protection.
The IS200DSPXH1DBC is a Mark VIe Discrete Serial / Protocol Extender and Hub Module manufactured by GE (now Emerson) for the Speedtronic™ Mark V and Mark VIe turbine control systems. The “DSPXH1” designation indicates a module designed for discrete serial communication, protocol extension, and hub functions, providing high-density serial communication capabilities with integrated protocol extension and hub for connecting to external systems, field devices, and plant networks. The “DBC” suffix denotes a specific hardware revision with enhanced processing power, improved communication capabilities, extended diagnostics, advanced protocol extension features, extended temperature tolerance, enhanced cybersecurity features, and conformal coating for harsh environments optimized for the Mark VIe platform.
The IS200DSPXH1DBC functions as a central serial, protocol extender, and hub module, providing high-density serial ports for device connectivity, protocol extension functionality for seamless data exchange, and hub functionality for plant network connectivity. It is designed for applications requiring high-density serial communication, protocol extension, hub functions, advanced diagnostics, cybersecurity, and robust environmental protection.
