GE IS200EROCH1A Exciter Regulator Options Card (EROC)

FAQ

Q1. What is the IS200EROCH1A used for?
It is an Exciter Regulator Options Card that supports regulator features such as ground detector interface, keypad connectivity, and terminal board power in GE EX2100 excitation control systems.

Q2. Which systems is this card compatible with?
It is designed for use in GE EX2100 Excitation Control Systems and can also be found integrated into Mark VI control environments.

Q3. How does the card connect within the EX2100 rack?
The board connects via two backplane connectors into the Exciter Regulator Backplane (ERBP) or the redundant backplane (ERRB).

Q4. What interfaces are provided for keypad and tools?
It includes an RS-232 tool port (9-pin) and keypad connectors on both the faceplate and backplane.

Q5. Does the IS200EROCH1A power other modules?
Yes — it provides +70 V DC power to the Exciter Contact Terminal Board (ECTB).

Q6. What environmental conditions can it operate in?
Typical operating range is from 0 °C to +45 °C, with industrial storage from –40 °C to +85 °C.

Q7. How many backplane connectors does it have?
It has two backplane connectors for reliable mechanical and signal interface.

Q8. What are the physical dimensions?
Dimensions are approximately 15.9 × 17.8 cm.

Q9. Is there a visual indicator for power?
Yes, a green LED on the faceplate indicates power status.

Q10. Is the IS200EROCH1A still available?
Yes — it remains available through industrial suppliers, surplus channels, and refurbished parts distributors.

GE IS200EROCH1A

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