Product Details
Configured for high-speed protective relaying in Mark VIe excitation systems, the GE IS200SPROH1ADD (IS200SPROH1ADD Backup Protection Terminal Board) provides direct physical/electrical execution of voltage monitoring and backup trip logic coordination.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200SPROH1ADD |
| Brand | General Electric |
| Origin | USA |
| Operating Temp | -30 deg C to 65 deg C |
| I/O Integration | PPRO I/O Pack interface |
| PT Inputs | Bus and generator voltage inputs |
Profinet / EtherNet/IP Deterministic Networks
The IS200SPROH1ADD maintains deterministic performance within the Mark VIe protective architecture by hosting the PPRO (Programmable Protective Relay Output) I/O pack. This integration enables real-time conditioning of speed signal inputs and facilitates high-speed data exchange with the primary control processors. The module utilizes backplane bus communication to ensure that protection logic, derived from bus and generator voltage inputs via onboard potential transformers, is processed with minimal latency. Firmware flash compatibility is verified upon rack power-up to align the terminal board's protective settings with the master excitation control logic.
Frequently Asked Questions
Q: Can the SPRO terminal board be replaced while the generator is in service?
A: Replacement under load is restricted. As the board serves as a primary backup protection interface, removal will result in a loss of protective monitoring functions. Site-specific LOTO procedures must be followed, and the protective relaying logic must be bypassed or verified offline before servicing.
Q: How is the DC-37 pin connector utilized for inter-system communication?
A: The DC-37 connector provides the physical interface for cabling to the Mark VIe backup trip relay terminal board. This link allows for the coordination of trip signals between the backup protection system and the main turbine control assembly.
Field Installation Guidelines
- Mounting: Secure the board into the designated Mark VIe rack slot. Ensure all captive fasteners are engaged to provide a consistent electrical bond to the cabinet chassis, which is necessary for the stability of the onboard potential transformer measurements.
- Signal Wiring: All voltage input lines connected to the onboard PTs must be routed via shielded cabling. Terminate shields at the cabinet-level grounding lug using 360-degree clamps to prevent the induction of high-frequency noise that could cause protective function trip errors.
- PT Calibration: Verify that the potential transformer ratios match the system configuration. Incorrect scaling will lead to inaccurate voltage monitoring and potentially compromise the backup protection integrity.
- Maintenance: Periodically check the integrity of the DC-37 connector pin contacts. Given the critical role of this terminal board in system safety, any signs of corrosion or mechanical wear on the connector pins should be addressed immediately to prevent loss of coordination signals.
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.
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