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GE IS200WNPSH1ABA Power Supply Board

The GE IS200WNPSH1ABA, also cataloged as the IS200WNPS Power Supply Board, operates as a dedicated hardware component for regulated DC power conversion within the GE Mark VI Speedtronic VME control system. The board converts a +28 VDC input into distributed low-voltage rails for connected processor, I/O, and communication modules.

Hardware Specifications

Parameter	Specification
Model	IS200WNPSH1ABA
Brand	GE
Origin	United States
Weight	0.5 kg
Dimensions	266 x 191 x 63 mm
Operating Temp	-40 deg C to +70 deg C
Power Consumption	Power conversion module; output capacity up to 15 A at +5 VDC and 2 A at +/-15 VDC
Product Type	Power Supply Boards
System Platform	GE Mark VI Speedtronic Turbine Control System
Input Voltage	+28 VDC nominal
Output Voltages	+5 VDC and +/-15 VDC
Current Capacity	+5 VDC up to 15 A; +/-15 VDC up to 2 A
Form Factor	VME-style plug-in board
Protection	Conformal coating, transient suppression, overcurrent protection
System Mode Support	Simplex and TMR configurations

GE Mark VI Power Distribution and Backplane Integration

The IS200WNPSH1ABA provides regulated power distribution through the Mark VI VME rack backplane. The board supplies DC voltage rails required by controller, I/O, and communication modules installed in the rack assembly.

The GE Mark VI architecture uses VME backplane communication and modular I/O expansion. Power regulation within the WNPS board maintains voltage delivery for connected boards while supporting simplex and triple modular redundant configurations.

Firmware and Control Platform Compatibility

The WNPS board is integrated into GE industrial control architectures through the Mark VI VME rack structure. The module supports system-level firmware compatibility by providing stable electrical conditions for connected control processors and I/O hardware.

The board design follows GE Mark VI hardware architecture requirements for module replacement, rack integration, and control system power management.

Frequently Asked Questions

Q: What voltage rails are generated by the IS200WNPSH1ABA?
A: The board converts a +28 VDC nominal input into regulated +5 VDC and +/-15 VDC output rails for Mark VI rack modules.

Q: Is the IS200WNPSH1ABA a communication interface board?
A: No. The primary function of the board is DC power conversion and distribution. Communication between modules is handled through the VME backplane.

Q: Can the IS200WNPSH1ABA be installed in redundant Mark VI configurations?
A: The board supports use in simplex and TMR system configurations when installed with compatible Mark VI control hardware.

Field Installation Guidelines

Install the IS200WNPSH1ABA into the designated VME rack slot according to the Mark VI hardware configuration. Verify the input power connection and backplane seating before system energization.

Maintain separation between DC power wiring and low-level signal cables to reduce electrical interference. Ensure protective grounding and cabinet bonding follow the control panel installation standards.

Inspect board connectors, rack alignment, and terminal connections during installation or maintenance. Confirm that replacement modules match the required Mark VI rack configuration before operation.

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