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GE IS200EHPRG1BBR Emergency Hydraulic Pump Relay Board

Configured for hydraulic pump relay switching and monitoring in GE Speedtronic Mark VI turbine control systems, the GE IS200EHPRG1BBR (IS200EHPRG1BBR Emergency Hydraulic Pump Relay Board) provides direct physical relay execution for emergency hydraulic circuit control and feedback handling.

Hardware Specifications

Parameter	Specification
Model	IS200EHPRG1BBR
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	GE Speedtronic Mark VI
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	BBR baseline build variant

Industrial Control Bus and I/O Execution Characteristics

The IS200EHPRG1BBR functions as a relay interface component within the GE Mark VI turbine control architecture. It converts control commands from the turbine controller into electrical switching actions for emergency hydraulic pump circuits.

The module is designed for discrete relay execution rather than programmable logic processing. Its interface behavior depends on the Mark VI backplane communication structure, where control signals are transferred through the system rack and executed through the relay output circuitry.

GE Speedtronic control modules require hardware revision and firmware flash compatibility verification during replacement procedures. Proper matching of board revisions ensures correct integration with the installed Mark VI controller configuration.

Frequently Asked Questions

Q: Is the IS200EHPRG1BBR a programmable controller module?
A: No. The IS200EHPRG1BBR is a relay interface board designed for hydraulic pump circuit switching and monitoring functions within the Mark VI control system.

Q: What type of isolation is provided between field circuits and logic circuits?
A: The module provides 2.5 kV RMS field-to-logic isolation to separate external hydraulic pump wiring from internal control electronics.

Q: Can the relay outputs be connected directly to hydraulic actuators?
A: The relay contacts provide switching functions only. External hydraulic equipment must be connected according to the defined relay ratings and system electrical design requirements.

Field Installation Guidelines

Install the IS200EHPRG1BBR in the designated GE Mark VI rack location according to the turbine control cabinet documentation.

Installation procedures should include:

• Confirm the board part number and hardware revision before replacement.
• Remove power from connected field circuits before handling relay wiring.
• Inspect rack connectors and backplane contacts for contamination or mechanical damage.
• Maintain separation between relay signal cables and high-current power conductors.
• Apply appropriate cable shielding and grounding practices for industrial control wiring.
• Verify relay contact assignments before restoring hydraulic pump control power.
• Perform functional checks of emergency hydraulic pump commands and feedback signals after installation. 

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