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- GE
- IS200EROCH1A
- Exciter Regulator Options Card
- USA
- 15.9 cm × 17.8 cm
- 0.25kg
- Xiamen, China
- New & In Stock
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1. Product Introduction, Brand & Series
Brand: GE Fanuc (General Electric)
Series / Platform: EX2100 / IS200 Excitation Control Systems
The IS200EROCH1A is an “Exciter Regulator Options Card” (EROC) used in GE’s EX2100 Excitation Regulator / Generator Excitation Control platform. It expands the functionality of the exciter regulator by providing optional features such as ground detection, keypad interface, tool connector, and terminal board power interface. This card sits in an excitation regulator backplane or redundant backplane (ERBP / ERRB) and gives additional interface & diagnostic capabilities to the excitation regulation hardware.
2. Technical Specifications
Below are representative / vendor‑quoted specifications for IS200EROCH1A (may vary by revision). Includes dimensions and weight.
| Parameter | Specification |
|---|---|
| Model | IS200EROCH1A |
| Function | Exciter Regulator Options Card (EROC) — provides auxiliary features to the exciter regulator system |
| System Compatibility | EX2100 series / IS200 exciter regulator backplanes (simplex and redundant) |
| Supply Voltage(s) | 5 VDC and 3.3 VDC via system backplane |
| Operating Temperature | −40 °C to +70 °C |
| Humidity Range | ~ 5 % to 95 %, non‑condensing |
| Number of Channels / Signal Capacity | 24 channels (options card supports various I/O interface and ground detection etc.) |
| Connectors / Mounting | Mounted in the Exciter Regulator Backplane (ERBP) or Redundant Backplane (ERRB); has keypad connector(s), tool connector(s), ground detector connector etc. |
| LED / Status Indicators | Power LED on faceplate; ID device; board identification etc. |
| Weight | Approx 0.55 lbs (~ 0.25 kg) |
| Dimensions | Approx 15.9 cm × 17.8 cm (height × width of board) |
3. Applications
The IS200EROCH1A is used in such scenarios:
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In EX2100 exciter regulator systems controlling generator excitation where additional options are needed beyond basic regulation.
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Provides ground detection (both simple and redundant) to ensure safe excitation operation.
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Adds keypad and tool interface for configuring the regulator and accessing diagnostics or updates.
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Used in both simplex and redundant regulator configurations, to enhance flexibility and safety.
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Suited for power plants, turbines, and generators where reliable excitation and safe detection of ground faults are necessary.
4. Advantages / Key Features
Some key strengths of this card:
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Optional Capability: Adds optional features (ground detection, keypad, tool connectors) beyond basic exciter regulation.
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Diagnostic / Identification Support: Includes a board identification device (ID), power LED, connector for tool interface, to facilitate maintenance and configuration.
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Redundancy Support: Designed to work in both simplex and redundant backplanes, offering system designers flexibility.
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Temperature & Environmental Tolerance: Rated for severe temperatures (down to −40 °C up to +70 °C), wide humidity range.
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Compact & Lightweight: With modest weight (~0.25 kg) and manageable board dimensions.
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Integration Ease: Mounts into existing backplanes (ERBP / ERRB), compatible with other excitation system cards.
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Ground Safety: Supports ground detection which is critical for safety of the excitation field circuits.
5. Related / Similar Models & Popular Models from Same Brand
Below are two tables: one with same series / similar function models, another with other popular modules from GE / EX2100 / IS200 family.
5.1 Related / Similar Models (Same or Functionally Adjacent)
| Model | Key Specifications / Role |
|---|---|
| IS200EROCH1A | Options card for exciter regulator; 24 channels; ~0.25 kg; supports keypad, ground detection, tool connectors |
| IS200EROCH2A | A similar options card variant with slightly different revision / hardware improvements |
| IS200ECTBG2A | Exciter Contact Terminal Board; handles relay / contact outputs; used with EROCs for optional features |
| IS200EPCT | Terminal board for external point contact terminal in excitation system |
| IS200EEPTH1A | Exciter external protection / threshold analog board; monitors analog thresholds (voltage, current) for protection |
5.2 Popular Modules from the Same Brand
| Model | Function / Key Features |
|---|---|
| IS200TDBSH2A | Mixed analog/digital I/O pack used in turbine control; large connectivity for sensor signals |
| IS200EDCFG1A | Exciter DC feedback board; measures field voltage/current feedback for control loop |
| IS200ERIOH1A | I/O Regulator board; supports both system & customer I/O interfaces in exciter regulator path |
| IS200WEMAH1BA | Analog measurement input module; for sensors (temperature, pressure) feeding into control system |
| IS200DSPXH2 | Digital Signal Processor / Control board; handles core regulation logic and control computation |
6. FAQ (10 Q&A)
Here are ten likely questions and answers about IS200EROCH1A:
Q1: What is the weight of the IS200EROCH1A?
A1: Approximately 0.25 kg (0.55 lbs).
Q2: What are its physical dimensions?
A2: Approx 15.9 cm × 17.8 cm in board size (height × width).
Q3: Which voltage supplies does it need?
A3: It is powered via backplane, using 5 VDC and/or 3.3 VDC supplied by the system backplane.
Q4: What temperature range is supported?
A4: From −40 °C up to +70 °C.
Q5: How many channels or signal paths does it support?
A5: Usually 24 channels (for various optional features like ground detection, auxiliary signals etc.).
Q6: Does it support redundant configurations?
A6: Yes. It fits both simplex and redundant backplane slots (ERBP / ERRB).
Q7: What diagnostic or supplementary features does it include?
A7: Includes board ID, power LED, keypad connector, tool connector, ground detector interface.
Q8: For what purpose is the ground detector function used?
A8: To detect earth/ground faults in the exciter field circuit, ensuring safe operation and preventing damage.
Q9: How is the card mounted?
A9: It installs in a single slot in the exciter regulator backplane (ERBP or ERRB) within the EX2100 regulator rack.
Q10: Is this card backwards compatible?
A10: Generally yes with the EX2100 / IS200 exciter regulator family; ensure correct board revision and firmware / ID matches for compatibility.
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