Description
At-A-Glance Executive Brief
- Model: IS200EAUXH1ABB
- Brand: General Electric (GE)
- Part Type: Exciter Auxiliary I/O Terminal Board
- Lifecycle Status: Legacy System Support / Active Migration Path
- Weight: 1.2 kg
- System Compatibility: GE Mark VIe / EX2100 Excitation Systems
Technical Introduction
Plant operators managing heavy-duty gas and steam turbine assets frequently encounter excitation feedback failures when auxiliary terminal boards experience localized component stress or degraded relay isolation. When excitation monitoring loops drop offline, generator voltage regulation becomes unstable, triggering automatic protection lockouts and unplanned generation losses.
The GE IS200EAUXH1ABB resolves this operational vulnerability by providing a dedicated auxiliary interface within the Mark VIe and EX2100 ecosystem. It handles auxiliary signal routing, voltage feedback conditioning, and discrete contact transitions, ensuring reliable communication between field instrumentation and the primary control core.
Core Technical Specifications
| Parameter | Specification |
| Manufacturer | General Electric (GE) |
| Product Line | Mark VIe / EX2100 |
| Board Type | Exciter Auxiliary Terminal Board |
| Function | Signal Conditioning and Auxiliary I/O Routing |
| Mounting | DIN Rail / Panel Mountable Enclosure |
| Operating Temperature | -30°C to +65°C |
| Enclosure Rating | IP20 Open Chassis |
Field Engineer’s Tech Notes
- Terminal Torque and Vibration Control: Tighten all screw-clamp terminal connections to OEM torque specifications. High-vibration turbine environments loosen improperly secured field wiring on auxiliary boards, causing intermittent excitation trips and fault code generation in ToolboxST.
- Ground Reference Integrity: Verify that the chassis ground stud is securely tied to the cabinet ground plane with minimal lead length. Omitting proper low-impedance grounding introduces electromagnetic interference into low-level feedback circuits, skewing excitation regulation loops.
Adaptive QA & Testing Protocol
Every IS200EAUXH1ABB unit undergoes stringent bench testing before warehouse dispatch. Our quality assurance protocol includes multi-point signal injection to verify discrete input/output path continuity, relay actuation checks, and resistance profiling across all onboard optocouplers and suppression networks. Dielectric isolation tests confirm structural integrity under industrial electrical stress. Complete functional test records and video verification logs are available upon request to validate performance prior to installation.
Buyer’s FAQ
What warranty coverage is included with this terminal board?
All units carry a comprehensive 12-month replacement warranty from the invoice date, covering functional performance under standard industrial conditions.
What inventory conditions are available for purchase?
We supply both factory-sealed New Surplus (NSFP) hardware and fully tested, benchmarked refurbished units tailored to your lead time requirements.
Is this board compatible with both Mark VIe and EX2100 controller revisions?
Yes, the IS200EAUXH1ABB matches standard OEM form-fit-function requirements for seamless integration across Mark VIe and EX2100 system architectures.
How fast can emergency orders be dispatched to site?
In-stock components are processed immediately for same-day priority dispatch via express global couriers to prevent extended plant outages.



