GE IS200TSVOH1BBB Servo Terminal Board (Servo I/O Board)

FAQ

Q1. What is the IS200TSVOH1BBB board used for?
It is a servo terminal board that interfaces GE Mark VI control systems with electro‑hydraulic servo valves, handling termination and signal distribution.

Q2. Which control system does this module support?
It is compatible with the GE Mark VI Speedtronic turbine control system.

Q3. What types of signals does this board work with?
The board supports analog signals (0 to ±50 V DC), AC signals below 24 VAC, and 4–20 mA current loop signals.

Q4. How many servo channels does it support?
It typically supports two independent servo channels for electro‑hydraulic valve control.

Q5. Does the board support redundancy?
Yes — it supports simplex and Triple Modular Redundancy (TMR) configurations for enhanced reliability.

Q6. What are the operating temperature limits?
The board is designed to operate from approximately –30 °C to +65 °C.

Q7. Is the IS200TSVOH1BBB still produced by GE?
This board is a legacy Mark VI component; new production is limited, but it is available through specialized suppliers as original stock.

Q8. What happens if the board fails?
Failure may disrupt servo valve signal termination and feedback — potentially affecting valve positioning and turbine control accuracy.

GE IS200TSVOH1BBB

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