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GE IS200EHPRG1CCB Emergency Hydraulic Pump Relay Board

The GE IS200EHPRG1CCB, also cataloged as the IS200EHPRG1CCB Emergency Hydraulic Pump Relay Board, operates as a dedicated hardware component for hydraulic pump relay control within the GE Speedtronic Mark VI turbine control system. It provides direct relay actuation, circuit isolation, and monitoring functions for emergency hydraulic pump circuits.

Hardware Specifications

Parameter	Specification
Model	IS200EHPRG1CCB
Brand	GE
Origin	United States
Weight	0.5 kg
Dimensions	Rack-mount PCB form factor
Operating Temp	-40 deg C to +70 deg C
Power Consumption	28 VDC nominal input supply
System Platform	Mark VI Speedtronic turbine control system
Hardware Type	Emergency Hydraulic Pump Relay Board
Relay Channels	Multiple relay outputs for hydraulic pump control
Relay Rating	24 VDC / 48 VDC, 5 A switching capacity
Isolation	2.5 kV RMS field-to-logic isolation
Environmental Protection	Conformal coating for dust, humidity, and salt fog protection
Configuration Variant	CCB baseline build variant

Industrial Control Interface and Relay Execution

The IS200EHPRG1CCB integrates relay-based switching circuits for emergency hydraulic pump operation within the GE Mark VI control architecture. The board receives control signals from the turbine control system and provides electrical execution through relay outputs connected to hydraulic pump circuits.

The module incorporates galvanic isolation between field wiring and logic-side circuits to reduce electrical interference transfer. Relay switching paths are configured for emergency hydraulic actuation tasks, including pump start commands, shutdown sequences, and status feedback handling.

For GE industrial control platforms, firmware flash compatibility and hardware revision matching must be verified when replacing installed control boards. The module operates as a physical relay interface layer rather than a programmable processing unit.

Frequently Asked Questions

Q: Does the IS200EHPRG1CCB support hot-swap replacement in a Mark VI rack?
A: Hot-swap capability depends on the installed Mark VI rack configuration and system procedures. Replacement should follow GE-approved shutdown and isolation practices before removing the PCB.

Q: What type of electrical isolation is provided by this relay board?
A: The board provides field-to-logic isolation rated at 2.5 kV RMS to separate hydraulic pump field circuits from control electronics.

Q: What installation considerations apply to the relay output wiring?
A: Field wiring should maintain proper separation from high-noise power conductors, use correct grounding practices, and verify relay contact ratings before connection to external hydraulic pump circuits.

Field Installation Guidelines

Install the IS200EHPRG1CCB in the designated GE Mark VI rack position according to the system hardware configuration documentation.

Before installation:

• Verify the board part number and revision compatibility with the existing Mark VI control cabinet.
• Disconnect field power sources connected to hydraulic pump circuits before wiring activities.
• Inspect PCB connectors and rack backplane interfaces for contamination or mechanical damage.
• Maintain shield grounding and cable separation practices for relay signal wiring.
• Confirm relay contact assignments and external circuit protection before energizing the system.
• Ensure conformal-coated surfaces remain free from conductive contamination during handling.

After installation, perform relay output verification and hydraulic pump control sequence testing according to the turbine control maintenance procedure.

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