The IS200DTTCH1ABB is a Digital Thermocouple Input (DTTC) board from General Electric’s Mark VI Speedtronic™ series. This model combines the faster update rate (50 ms per channel) and lower power consumption of the IS200DTTCH1A with the factory-preconfigured “ABB” suffix, indicating a specific firmware preload, component traceability, and specialized configuration for certain temperature monitoring applications. The IS200DTTCH1ABB shares the same core hardware as the IS200DTTCH1A, featuring 8 isolated thermocouple input channels with built-in cold junction compensation (CJC) per channel, 16-bit resolution, support for all major thermocouple types (J, K, T, E, R, S, B, N), and a faster 50 ms update rate. The “ABB” designation typically signifies factory preload with specific sensor calibration parameters, making the IS200DTTCH1ABB ideal for applications requiring both faster dynamic response and reduced commissioning effort. The board mounts directly into a Mark VI VME backplane and provides digitized temperature data to the main DSP processor for combustion dynamics monitoring and overtemperature protection.
The IS200DTTCH1A is a Digital Thermocouple Input (DTTC) board from General Electric’s Mark VI Speedtronic™ series. This model is a specialized thermocouple input board with distinct channel configuration and input conditioning features compared to the IS200DTAIH1A, IS200DTCIH1A, and IS200DTRTH1ABA families. The “TTC” designation typically indicates a thermocouple input variant optimized for specific turbine applications, often with different channel density, isolation architecture, or filtering characteristics. The IS200DTTCH1A provides multiple isolated thermocouple input channels with built-in cold junction compensation (CJC), 16-bit resolution, and support for major thermocouple types (J, K, T, E, R, S, B, N). This board is used for exhaust temperature monitoring, turbine inlet temperature measurement, and other high-temperature sensing applications in GE gas turbines. It mounts directly into a Mark VI VME backplane and communicates digitized temperature data to the main DSP processor for combustion control and overtemperature protection.
The IS200DTRTH1ABA is a Digital RTD (Resistance Temperature Detector) Input board from General Electric’s Mark VI Speedtronic™ series. Unlike thermocouple input boards such as the IS200DTAIH1A or IS200DTCIH1ABB which measure millivolt signals from thermocouples, the IS200DTRTH1ABA is specifically designed to accept input from RTD sensors (typically Pt100 or Ni100) for high-accuracy temperature measurement in turbine applications. RTDs are preferred for bearing temperature monitoring, stator winding temperature sensing, and other critical measurements requiring superior stability and repeatability compared to thermocouples. The IS200DTRTH1ABA features multiple isolated RTD input channels with built-in excitation current sources, 16-bit resolution, and comprehensive diagnostics. The “ABA” suffix typically indicates a specific firmware preload or configuration variant. The board mounts directly into a Mark VI VME backplane and provides digitized temperature data to the main DSP processor for monitoring and protection.
The IS200DTCIH1ABB is a Digital Thermocouple Input (DTCI) board from General Electric’s Mark VI Speedtronic™ series. This model combines the enhanced EMI immunity of the IS200DTCIH1A with the factory-preconfigured “ABB” suffix, indicating a specific firmware preload, component traceability, and specialized configuration for certain temperature monitoring applications. The IS200DTCIH1ABB shares the same core hardware as the IS200DTCIH1A, featuring 16 isolated thermocouple input channels with enhanced common-mode rejection (>120 dB), built-in cold junction compensation (CJC) per channel, 16-bit resolution, and support for all major thermocouple types (J, K, T, E, R, S, B, N). The “ABB” designation typically signifies factory preload with specific sensor calibration parameters, making the IS200DTCIH1ABB ideal for standardized turbine packages requiring both noise immunity and reduced commissioning effort. The board mounts directly into a Mark VI VME backplane and provides digitized temperature data to the main DSP processor for combustion control and protection algorithms.
The IS200DTCIH1A is a Digital Thermocouple Analog Input (DTCI) board from General Electric’s Mark VI Speedtronic™ series. While sharing similarities with the IS200DTAIH1A and IS200DTAIH1ABB temperature input boards, the IS200DTCIH1A represents a distinct variant with specific channel configuration, isolation architecture, or input conditioning features optimized for certain turbine temperature monitoring applications. The “TCI” designation typically indicates thermocouple input with enhanced common-mode rejection or specialized filtering for high-EMI environments. The IS200DTCIH1A features multiple isolated thermocouple input channels with built-in cold junction compensation (CJC), 16-bit resolution, and support for major thermocouple types. This board is essential for exhaust temperature monitoring, bearing temperature surveillance, and overtemperature protection in GE gas and steam turbines. It mounts directly into a Mark VI VME backplane and communicates digitized temperature data to the main DSP processor for control algorithm execution.
The IS200DTAIH1ABB is a Digital Thermocouple Analog Input (DTAI) board from General Electric’s Mark VI Speedtronic™ series. This model is a specific sub-variant of the IS200DTAIH1A, distinguished by the “ABB” suffix which typically indicates a particular firmware preload, component batch traceability, and specialized configuration for certain thermocouple monitoring applications. The IS200DTAIH1ABB shares the same core hardware as the base IS200DTAIH1A, featuring 16 isolated thermocouple input channels with built-in cold junction compensation (CJC), 16-bit resolution, and support for all major thermocouple types (J, K, T, E, R, S, B, N). The “ABB” designation often signifies factory-preloaded configuration parameters tailored for specific turbine exhaust temperature monitoring packages, such as Frame 7E or 9E applications with particular sensor calibration requirements. The board mounts directly into a Mark VI VME backplane and provides digitized temperature data to the main DSP processor for combustion control, exhaust temperature spread monitoring, and overtemperature protection.
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.
