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The IS200TDBTH2A is a discrete input/output terminal block manufactured by General Electric for the Speedtronic Mark VI series turbine control system. It plays a crucial role in the automated control and monitoring of gas turbines and steam turbines.
High-Density I/O Layout
Rugged Environmental Protection
Triple Modular Redundancy (TMR) Support
The Mark VIe Control PDIO Discrete Input/Output Module, Cat. No. IS220PDIOH1A is intended to be used with accessory terminal board Cat. Nos. IS200TDBSH2A, IS200TDBTH2A。The IS200TDBTH2A is a discrete I/O terminal board within the GE Speedtronic Mark VI control system, specifically engineered for high-reliability industrial environments. It integrates 24 contact inputs and 12 Form-C relay outputs, fully supporting the TMR (Triple Modular Redundancy) architecture to ensure uninterrupted signal transmission for mission-critical operations. Featuring a jumper-less design, robust noise suppression, and conformal coating, this board delivers exceptional durability and signal accuracy for turbine control in the power and petrochemical industries.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
General Electric IS200TDBTH2A Discrete I/O Terminal Board Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Petrochemical Refining
Used for anti-surge control of large centrifugal compressors and switching logic for auxiliary equipment.
Nuclear Power
Monitoring the start status of backup diesel generator sets to ensure safety interlocking of emergency power supplies.
Steel & Metallurgy
Controlling intake guide vanes of blast furnace blowers to ensure precise airflow control during the steelmaking process.
Pulp and Paper
Monitoring the electrical switch status of large paper machine drive systems to prevent equipment overload.
Combined Cycle Power Plants
Coordinating discrete alarm signal exchanges between gas turbines and Heat Recovery Steam Generators (HRSG).
LNG Processing
Monitoring cryogenic pump operational interlocks during the liquefaction process to prevent refrigerant leakage.
When using the IS200TDBTH2A, prioritize ensuring accurate TMR redundant connections (JR1/JS1/JT1) and strictly prohibit live wiring to prevent arcing damage. Follow terminal numbering carefully to avoid short-circuiting the 24V wetting voltage, and regularly inspect relay contacts and the conformal coating to maintain insulation reliability in humid or dusty environments.
It is a Discrete I/O Terminal Board manufactured by General Electric (GE) for the Mark VIe control system series.
What is the primary function of IS200TDBTH2A?
It acts as an interface between field devices and the control system, handling 24 discrete contact inputs and 12 relay output signals.
In which control systems is IS200TDBTH2A typically used?
It is primarily used in GE Speedtronic Mark VI and Mark VIe turbine control systems.
How to use IS200TDBTH2A to process signals?
Field wiring connects to the two terminal blocks on the board, and signals are sent via cables to the paired I/O pack (e.g., PDIO) for digital processing.
How many outputs does IS200TDBTH2A have?
It features 12 Form-C relay outputs used for controlling devices like motor starters or solenoids.
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