Product Details
Configured for contact signal termination in EX2100 excitation control systems, the GE IS200ECTBG1A (IS200ECTBG1A) Exciter Contact Terminal Board provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200ECTBG1A |
| Brand | GE |
| Origin | USA |
| Dimensions | 33.0 cm x 17.8 cm |
| Operating Temp | -30 deg C to +65 deg C |
| Power Consumption | 125 VDC nominal |
| Technology | Surface Mount |
Industrial Control and Drives Characteristics
The IS200ECTBG1A facilitates interface logic for excitation control, managing contact inputs and trip outputs within the EX2100 ecosystem. The board supports deterministic signal processing by interfacing with the EMIO board, which governs Form-C contact outputs and lockout management. Monitoring capabilities include six auxiliary contact inputs energized at 70 VDC, alongside dedicated support for 52G and 86G contact inputs. In redundant configurations, the ECTBG1 board receives power from both M1 and M2 controllers, ensuring fail-safe signal availability. The surface-mount architecture maintains signal integrity across high-density I/O pathways, ensuring synchronization between the excitation regulator and field-mounted contact devices.
Frequently Asked Questions
Q: Is the IS200ECTBG1A interchangeable between redundant and simplex control architectures?
A: No. The ECTBG1 variant is specifically engineered for redundant control applications, while the ECTBG2 variant is required for simplex control applications. Incorrect application will result in incompatible I/O mapping and potential control logic faults.
Q: Can this terminal board be hot-swapped during turbine operation?
A: No. The board operates at 125 VDC and manages critical trip outputs. Removing or installing the board while energized will interrupt the excitation contact loops, likely triggering an emergency shutdown of the excitation system.
Field Installation Guidelines
- Mounting: Ensure the board is mounted in a stable orientation within the excitation cabinet. Maintain clearance around the board to prevent thermal accumulation, adhering to the specified operating temperature range.
- Signal Wiring: Land all contact input and trip output wiring securely on the terminal blocks. Use ferrules on stranded wires to ensure high-pressure, low-resistance connections.
- Grounding: Verify that the cabinet ground bus is properly bonded to the board chassis to mitigate electromagnetic interference and ensure the stability of the 70 VDC wetting voltage.
- Circuit Isolation: Maintain physical separation between the 125 VDC power supply wiring and low-voltage signal cabling to prevent inductive coupling and unintended contact actuation.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.





























