The General Electric IS200WNPSH1A, also cataloged as the IS200WNPSH1 Power Supply Daughter Card, operates as a dedicated hardware component for localized voltage regulation and auxiliary power distribution within Mark VI control system racks.
Suffix Breakdown & Model Matrix
- IS200: Printed circuit board assembly (Mark VI series).
- WNPS: Functional identifier for the WNPS-type power supply daughter board architecture.
- H1: Hardware revision level indicating the baseline design tier.
- A: Primary manufacturing variant.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200WNPSH1A |
| Brand | General Electric |
| Origin | USA |
| Weight | 0.25 kg |
| Dimensions | 138 mm x 25.4 mm x 120 mm |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | Backplane dependent |
| Mounting | Daughter-card stack configuration |
Backplane Bus Communication Velocity and Firmware Compatibility
The IS200WNPSH1A functions as a localized regulation module, interfacing directly with the parent module via a high-density connector stack. To ensure consistent system performance, the module maintains strict adherence to backplane bus communication velocity requirements, ensuring filtered DC levels for host card logic components. Firmware flash compatibility is implicitly managed through the host card's configuration; no standalone software loading is required for this daughter board, provided the host processor is compatible with the revision level of the power distribution logic installed.
Frequently Asked Questions
Q: Can this daughter card be replaced independently of the host module?
A: Yes. The IS200WNPSH1A is designed for modular removal from the host card. However, this must be performed in a de-energized state to prevent short-circuiting the auxiliary power distribution rails on the host board.
Q: How is the physical connection between the daughter card and host module verified?
A: Connection is verified via the mechanical seating of the high-density pin headers. Ensure the board is parallel to the host module during installation to avoid pin bending or misalignment.
Field Installation Guidelines
- Static Mitigation: Use an ESD-safe workspace. The exposed components on the daughter board are highly sensitive to discharge during the mounting process.
- De-energization: Confirm the Mark VI cabinet rack is fully powered down. Identify the host board that supports the WNPS daughter card.
- Board Orientation: Align the IS200WNPSH1A connector headers with the mating receptacles on the host module. Ensure all pins are aligned before applying pressure.
- Mechanical Seating: Apply firm, centered pressure to the daughter board until the mounting standoffs or locking clips click into place. Do not apply force to the surface-mounted components.
- Post-Installation Check: Inspect the perimeter of the daughter card for any bridging of pins. Re-energize the rack and monitor the host module diagnostic registers via the ControlST suite to confirm the power supply rails are reporting nominal values.
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