The IS230TCISH9 is a high-density, high-precision I/O termination board designed specifically for thermocouple and RTD temperature sensors, manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This termination board serves as the physical interface between field-mounted temperature sensors and Mark VIe temperature input modules, including the IS220PTCCH1A (thermocouple) and IS220PRTDH1A (RTD). The IS230TCISH9 provides integrated cold junction compensation (CJC) with superior accuracy, extensive signal conditioning, and support for up to 16 channels of temperature inputs in a compact form factor. It is designed for large-scale turbine temperature monitoring applications requiring high channel density, such as exhaust gas temperature (EGT) monitoring with 24+ thermocouples, bearing temperature monitoring, and turbine inlet temperature measurement. The IS230TCISH9 is a terminal block variant that provides the physical termination for Mark VIe temperature measurement systems.
The IS230TBTCH1B is a high‑density terminal block (I/O termination board) manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This terminal block serves as the physical interface between field wiring and Mark VIe I/O modules, providing organized, reliable connections for analog, discrete, RTD, thermocouple, and other signal types. The IS230TBTCH1B is a versatile termination solution designed to support multiple module types, including IS220PAICH1A, IS220PAICH1B, IS220PDIAH1A, IS220PDIAH1B, IS220PDIOH1A, IS220PDIOH1B, IS220PDOAH1A, IS220PRTDH1A, IS220PTCCH1A, and other Mark VIe I/O modules. It features screw‑clamp terminals with a pluggable design, allowing quick field wiring disconnection for maintenance and module replacement without rewiring. The IS230TBTCH1B is designed for high‑density signal termination in turbine control systems, providing reliable signal transmission and simplified troubleshooting.
The IS220YTURS1A is a specialized terminal board manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This terminal board serves as the physical interface between field wiring from turbine speed sensors (magnetic pickups, proximity probes) and the Mark VIe speed/frequency input modules such as the IS220PTURH1A (dedicated speed module) or IS220PSFDH1A (pulse/strain module). The IS220YTURS1A provides screw‑terminal connections for speed sensor wiring, signal conditioning components (termination resistors, filter capacitors), and isolation, ensuring reliable, noise‑free signal transmission from the turbine shaft to the control system. It is specifically designed for critical speed measurement and overspeed protection applications in gas and steam turbines.
The IS220YDIAS1A is a discrete input/output terminal board manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This terminal board serves as the physical interface between field wiring and the Mark VIe discrete I/O modules (such as IS220PDIAH1A, IS220PDIAH1B, IS220PDIOH1A, IS220PDIOH1B, and IS220PDOAH1A). The IS220YDIAS1A provides screw-terminal connections for field devices, signal conditioning, and isolation, enabling reliable connection of discrete sensors and actuators to the control system. It is designed for high-density discrete I/O applications in turbine control systems, including valve position monitoring, motor starter feedback, switch inputs, and solenoid valve control.
The IS220UCSAH1A is the flagship universal control processor module manufactured by GE Energy (now part of Baker Hughes) as the central processing unit for the Mark VIe series distributed control system. This module serves as the primary controller for gas and steam turbine applications, executing real‑time control algorithms, safety protection logic, communication management, and system coordination functions. The IS220UCSAH1A features a powerful processor, extensive memory, integrated I/O interfaces, and multiple communication ports, making it the heart of the Mark VIe control system. It is designed for critical turbine control applications where deterministic response, high reliability, and advanced cybersecurity are essential. The IS220UCSAH1A replaces the traditional VME‑based processors (e.g., IS215VPROH2BD) with a modern, high‑performance architecture optimized for the Mark VIe platform.
The IS220PVIBH1A is a specialized high‑performance vibration input module manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This module is specifically designed for monitoring vibration signals from accelerometers, velocity sensors, and proximity probes used in turbine rotating machinery protection systems. The IS220PVIBH1A provides dedicated, high‑accuracy inputs for vibration measurement, including overall vibration amplitude, shaft relative vibration, bearing absolute vibration, and axial position (thrust) monitoring. It integrates signal conditioning, integration (acceleration to velocity, velocity to displacement), filtering, and trend analysis, making it an essential component for turbine condition monitoring and predictive maintenance.
The IS220PTURH1A is a specialized high-performance turbine speed/frequency input module manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This module is specifically designed for precise speed measurement from magnetic speed pickups (MPUs), proximity probes, and other pulse-generating sensors used in turbine control applications. The IS220PTURH1A provides dedicated high-speed frequency inputs with integrated signal conditioning for turbine speed measurement, overspeed detection, and generator synchronization. It offers exceptional accuracy, fast response, and advanced diagnostics, making it essential for turbine speed control and overspeed protection systems.
The IS220PTCCH1A is a high-precision thermocouple input module manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This module provides dedicated temperature measurement for turbine control applications, converting thermocouple signals (millivolt levels) into digital temperature values for the control processor. The IS220PTCCH1A is designed for critical high-temperature monitoring applications including exhaust gas temperature (EGT), turbine inlet temperature, combustion chamber monitoring, and flue gas temperature measurement. It offers exceptional accuracy, high channel density, cold junction compensation (CJC), and advanced diagnostics, making it an essential component for turbine thermal monitoring and protection systems.
The IS220PSVOH1A is a high‑density solenoid valve output module manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This module provides dedicated, high‑current discrete outputs for direct actuation of solenoid‑operated valves, trip solenoids, and other inductive loads in turbine control applications. The IS220PSVOH1A integrates 32 output channels with built‑in flyback diode suppression, short‑circuit protection, and advanced diagnostics for reliable operation in critical turbine systems. It is specifically designed for fuel trip valves, steam admission valves, drain valves, and emergency shutdown solenoids, where fast, reliable, and failsafe actuation is essential.
The IS220PSFDH1A is a specialized high-performance pulse/strain gauge frequency input module manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This module is designed for applications requiring precise frequency measurement from magnetic speed pickups (MPUs), proximity probes, strain gauges, and other pulse-generating sensors. The IS220PSFDH1A provides high-speed frequency inputs for turbine speed measurement, vibration monitoring, and strain gauge signal conditioning in critical turbine applications. It combines dedicated pulse input channels with integrated signal conditioning for strain gauge sensors, making it ideal for turbine control systems requiring both speed and mechanical strain data.
The IS220PRTDH1A is a high-precision RTD (Resistance Temperature Detector) input module manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This module provides dedicated temperature measurement for turbine control applications, converting resistance signals from RTD sensors (such as PT100, PT500, and PT1000) into digital temperature values for the control processor. The IS220PRTDH1A is designed for critical temperature monitoring applications including bearing temperature, exhaust gas temperature, coolant temperature, and ambient temperature compensation. It offers exceptional accuracy, high channel density, and advanced diagnostics, making it an essential component for turbine thermal monitoring and protection systems.
The IS220PPROH1A is a PROFINET communication interface module manufactured by GE Energy (now part of Baker Hughes) as part of the Mark VIe series distributed control system. This module enables the Mark VIe turbine control system to communicate with PROFINET IO field devices, such as remote I/O stations, variable frequency drives (VFDs), smart instrumentation, and third-party controllers over standard industrial Ethernet. The IS220PPROH1A supports both PROFINET IO controller and IO device modes, providing seamless integration of non-GE devices into the GE turbine control architecture. It is designed for applications requiring high-speed, deterministic Ethernet-based communication for distributed control and real-time data exchange, making it an essential component for modern power plants and industrial automation systems.
