Description

GE IS200SPROH1ADD Backup Protection Terminal Board

The GE IS200SPROH1ADD, also cataloged as the IS200SPROH1A Backup Protection Terminal Board, operates as a dedicated hardware component for independent voltage sensing and relay interfacing within the GE Mark VI Speedtronic turbine control system.

Hardware Specifications

Parameter	Specification
Model	IS200SPROH1ADD
Brand	GE (General Electric)
Origin	United States
Product Type	Backup Protection Terminal Board
System Compatibility	Mark VI Speedtronic Turbine Control System
Board Function	Backup protection, voltage sensing, relay interfacing
Input Voltage	24 VDC power supply
Relay Channels	12
Generator and Bus Voltage Sensors	2
Magnetic Speed Pickup Sensitivity	27 mV
Magnetic Speed Pickup Pulse Rate Range	2 Hz
Protection Rating	IP20
Mounting	DIN-rail or panel-mounted
Weight	0.5 kg
Operating Temp	-30 to 65 deg C

GE Mark VI Speedtronic Protection Interface Characteristics

The IS200SPROH1ADD provides backup protection functions through independent signal acquisition and relay interface circuits. The terminal board supports voltage monitoring paths, magnetic speed pickup input processing, and relay channel execution for turbine protection sequences.

The board incorporates galvanic relay interfacing to maintain electrical separation between field signals and control circuits. Relay state monitoring and isolated signal paths reduce unwanted switching caused by electrical interference within turbine control environments.

The hardware architecture supports fail-safe state execution by maintaining independent protection paths when primary controller communication or processing functions are unavailable. Signal conditioning circuits process magnetic speed pickup inputs with defined sensitivity characteristics for protection logic evaluation.

Frequently Asked Questions

Q: What type of signals does the IS200SPROH1ADD process?
A: The board processes voltage sensing inputs, relay interface signals, and magnetic speed pickup signals for turbine protection functions.

Q: How many relay channels are available on this terminal board?
A: The IS200SPROH1ADD provides 12 relay channels for protection-related switching and interface functions.

Q: What installation methods are supported for this board?
A: The board supports DIN-rail or panel-mounted installation depending on system cabinet configuration.

Field Installation Guidelines

Install the IS200SPROH1ADD in a suitable control cabinet environment with correct mechanical fixation and electrical clearance. Verify terminal assignments before connecting field wiring.

Use shielded cables for low-level sensing and speed pickup circuits where electromagnetic interference is present. Connect cable shields according to the grounding practices defined for the Mark VI Speedtronic control cabinet.

Separate signal wiring from high-current power conductors and relay switching lines to reduce electrical noise coupling. Confirm power polarity, grounding continuity, and relay interface wiring before energizing the protection circuit.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems