IS220PPRAH1A GE Turbine Protection Module

IS220PPRAH1A GE Emergency Turbine Protection I/O Module

IS220PPRAH1A GE Emergency Turbine Protection I/O Module

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The GE IS220PPRAH1A, also cataloged as the IS220PPRA Emergency Turbine Protection I/O Module, operates as a dedicated hardware component for...

رمز المنتج: IS220PPRAH1A

Manufacturer: GE Fanuc
Product No.: IS220PPRAH1A
Product Type: Emergency Protection Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 1100g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

The GE IS220PPRAH1A, also cataloged as the IS220PPRA Emergency Turbine Protection I/O Module, operates as a dedicated hardware component for backup overspeed protection and trip relay execution within GE Mark VIe platforms. Mounting directly onto an IS200TREA terminal board fitted with an IS200WREA daughterboard, the pack acquires pulse-rate speed inputs and provides primary control watchdog monitoring alongside isolated trip contact execution.

Hardware Specifications

Parameter	Specification
Model	IS220PPRAH1A (IS220PPRA)
Brand	GE Energy (General Electric)
Origin	USA
Operating Temp	-30 to 65 deg C
Power Consumption	System Backplane Bus Powered
Processor Board	Integrated BPPB Processor Board
Terminal Board Connection	Direct mating with IS200TREA Terminal Board
Daughterboard Integration	Supports IS200WREA Daughterboard
Speed Sensor Processing	6 speed inputs fanned to 3 PPRA packs (2 per shaft x 3 shafts or 3 per shaft x 2 shafts)
Core Protection Function	Independent backup overspeed protection & primary control watchdog
Series Compatibility	Mark VIe System Architecture

Deterministic Network Backplane Velocity and Firmware Compatibility

The IS220PPRAH1A incorporates an onboard BPPB processor board, running real-time algorithms to maintain determinism across high-speed backplane bus communication velocity channels. Operating within a triple-pack cluster on the TREA terminal base, the unit maintains strict firmware flash compatibility across Mark VIe system controllers. High-density I/O density scaling allows six magnetic speed sensor signals to be fanned concurrently across three independent PPRA packs, ensuring trip circuit activation latencies remain well within industrial safety thresholds.

Frequently Asked Questions

Q: What speed sensor layout configurations are supported by the IS220PPRAH1A?

A: The module supports six total speed inputs fanned across a triple-pack array, configured either as two speed sensors on each of three shafts or three speed sensors on each of two shafts.

Q: How is hardware redundancy achieved on the IS200TREA terminal board?

A: Redundancy is implemented by seating three identical IS220PPRA packs on a single IS200TREA terminal board equipped with an IS200WREA daughterboard, establishing voter circuits for backup overspeed tripping.

Q: Is online hot-swap supported when replacing a single IS220PPRAH1A pack?

A: Yes, a single PPRA pack in a triple configuration can be replaced while the system is energized, provided two remaining active packs continue monitoring speed inputs and maintaining valid watchdog votes.

Field Installation Guidelines

Power down the specific module channel or verify redundant protection paths remain active prior to mounting the IS220PPRAH1A pack.
Secure a grounded ESD wrist strap to the enclosure frame before taking the module out of its anti-static packaging.
Align the double dual-pin electrical connectors on the base of the pack with the header sockets on the IS200TREA terminal board.
Press the pack firmly until it seats completely onto the terminal base, then tighten the captive jack screws to 0.8 Nm (7 in-lbs).
Route speed pick-up cables in grounded, shielded twisted-pair wireways separate from high-voltage AC lines, terminating shields at the designated chassis grounding bar.

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