GE Fanuc | IS200VTURH2BAC Module

The GE Fanuc IS200VTURH2BAC Module is a turbine control terminal board designed specifically for the Mark VI and Mark VIe Distributed Control Systems (DCS). Engineered for heavy-duty industrial gas and steam turbine management, this module acts as a critical interface board for thermocouple, RTD, and discrete or analog signal terminations. It securely routes field-level sensor inputs to the core processing packs while ensuring high signal integrity, effective noise immunity, and reliable data acquisition in demanding power generation environments.

📋 Product Specifications (Datasheet)

📌 Brand: GE Fanuc / General Electric (Mark VI / VIe Series)

📌 Model: IS200VTURH2BAC (Alternative variant: IS200VTURH2B)

📌 Series: Speedtronic Mark VI / Mark VIe Turbine Control System

📌 Product Name: Turbine Terminal Board / Sensor Interface Module

📌 Place of Manufacture: United States

📌 Product Status: Factory New / Refurbished / Surplus Available

📌 Dimensions: Standard Mark VIe printed circuit board layout (approx. 330 mm x 100 mm)

📌 Weight: Approx. 0.6 kg

📌 Power Rating: Passive/active terminal board powered via system rack interconnect cables and I/O packs

📌 Discontinuation Status: Discontinued by OEM (Supported through specialized industrial automation aftermarket suppliers)

 

🔧 Parameter Configuration & Modification Methods

⚙️ Hardware Jumper & Terminal Configuration: Channel configuration, hardware scaling options, and input type selections are managed via physical terminal blocks and onboard hardware jumpers prior to system installation.

⚙️ Software Configuration in ToolboxST: Corresponding input scaling, thermocouple cold-junction compensation settings, alarm thresholds, and diagnostic parameters are adjusted within GE’s ToolboxST software suite during system configuration.

 

🔄 Manual & Automatic Mode Switching

⚙️ Automatic Mode: In standard operational states, the terminal board continuously and automatically routes raw sensor voltages and signals to the connected I/O processor packs without requiring any manual operator intervention.

⚙️ Manual / Maintenance Mode: Technicians can perform manual signal checks, verify terminal continuity, or isolate individual sensor channels using external multimeters and ToolboxST diagnostic tools during scheduled turbine maintenance outages.

 

❓ Frequently Asked Questions (Q&A)

❓ Q1: What is the main function of the IS200VTURH2BAC board? 💡 A1: It functions as a termination and interface board to securely connect temperature sensors and field inputs to the Mark VI/VIe turbine control architecture.

❓ Q2: Which I/O packs typically pair with this terminal board? 💡 A2: It is designed to work in conjunction with compatible Mark VIe I/O packs (such as thermocouple or temperature input packs) mounted directly onto the board.

❓ Q3: What indicates a wiring or channel fault on this terminal board? 💡 A3: Open-circuit sensor warnings, erratic temperature or signal readings, or diagnostic alarm codes on the ToolboxST operator interface typically point to loose terminal screws, broken field wiring, or a damaged input channel.

 

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