Features:
- Adds field-ground monitoring to the regulator rack.
- Accepts either the GE detection method or external detector indications.
- Provides a controlled local keypad communications path.
IS200EROCH1A groups optional diagnostic and operator-access functions outside the core regulator processor.
The GE detector path measures insulation behavior, while a third-party installation returns three external status indications instead.
Keypad routing and EXAM-related detector wiring reveal which option paths are active in a particular cabinet and therefore need to be restored.
Apter Power can help locate the General Electric IS200EROCH1A Exciter Regulator Options Card and applicable original literature for installed EX2100 equipment.
General Electric IS200EROCH1A Exciter Regulator Options Card Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
GE detection method
- Test source: A low-voltage signal is coupled to the field circuit.
- Impedance: A high-impedance network limits disturbance of the operating field.
- Ground response: Returned measurement reveals insulation leakage to ground.
- Location estimate: Signal interpretation can indicate position along the field winding.
Local access path
- Faceplate port: RS-232 keypad communication is available at the card front.
- Backplane route: A corresponding keypad path is available through the rack.
- Logical channel: Both physical access points belong to one communications channel.
- Connection limit: Only one keypad connection may be active at a time.
External detector interface
- Input count: Three indication inputs are provided for third-party monitoring.
- Measurement source: The external detector performs the ground measurement.
- Status return: Detector indications are presented to the excitation controller.
- Mode distinction: This path differs from the integral GE sensing arrangement.
Rack relationships
- Board format: The option card occupies one 6U regulator-rack slot.
- Detector interface: EXAM participates in the GE ground-detection path.
- Terminal power: Terminal-board power belongs to the option-card interface.
- Wiring selection: The chosen detector method determines the active field connections.