IS230TNCIH4C GE Module Parts TNCI I/O Interface Board

Product Summary
GE IS230TNCIH4C TNCI I/O Interface Board for Mark V turbine control systems. Features 2500V insulation, -20°C to 60°C operation, MOV surge protection, and Simplex/Dual/TMR redundancy support. USA-made with 1-year warranty. Reliable signal interfacing for industrial turbine applications.
Product Description
Product Overview

The GE IS230TNCIH4C is an I/O interface board designed for GE Speedtronic Mark V gas turbine control systems. It belongs to the TNCI functional board family and provides an interface between field terminal connections and the turbine control system.

The board is used to connect, condition, and distribute industrial control signals within the turbine control architecture. It supports different system redundancy configurations, including Simplex, Dual, and Triple Modular Redundant (TMR).

The IS230TNCIH4C is designed for industrial turbine control applications where reliable signal interfacing, electrical protection, and system availability are essential.

Technical Specifications
Parameter Specification
ManufacturerGeneral Electric (GE)
Model NumberIS230TNCIH4C
Functional AcronymTNCI
Product TypeI/O Interface Board
Product SeriesMark V
Board RevisionH4C
Rack Compatibility13-slot or 21-slot VME rack
Redundancy SupportSimplex, Dual, TMR
CommunicationUDH or IONet, depending on configuration
Connectors3 × 37-pin Sub-D connectors
Additional Connectors2 female plug connectors
Terminal BlocksTB1 and TB2
Protection Components25 Metal Oxide Varistors (MOVs)
Humidity5–95% RH, non-condensing
InstallationGE turbine control cabinet
Main FunctionTurbine control signal interfacing
GE IS230TNCIH4C TNCI I/O Interface Board for Mark V turbine control systems
Main Functions
1. I/O Signal Interfacing

Provides electrical connections between field terminal blocks and the turbine control system.

2. Signal Distribution

Transfers control and monitoring signals through its interface connectors to associated control hardware.

3. Electrical Protection

Uses MOV components to help suppress transient voltage surges and protect connected circuits.

4. Redundant System Support

Supports Simplex, Dual, and TMR configurations, depending on the host system architecture.

5. Communication Integration

Supports integration with the relevant GE Mark V communication architecture.

Close-up view of GE IS230TNCIH4C interface board connectors and terminal blocks
Frequently Asked Questions
Q1: What is the GE IS230TNCIH4C?

The IS230TNCIH4C is a TNCI I/O interface board used in GE Mark V turbine control systems.

Q2: What is the main function of IS230TNCIH4C?

It provides signal interfacing and distribution between field terminal connections and the turbine control system.

Q3: Which control system uses IS230TNCIH4C?

It is associated with the GE Speedtronic Mark V gas turbine control platform.

Q4: Does IS230TNCIH4C support TMR redundancy?

Yes. Product references identify support for Simplex, Dual, and TMR configurations, depending on the system installation.

Q5: What connectors are available on IS230TNCIH4C?

The listed configuration includes three 37-pin Sub-D connectors, two additional female plug connectors, and two terminal blocks.

Product Details
Highlight:

GE TNCI I/O Interface Board

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IS230TNCIH4C GE Module Parts

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GE TNCI Interface Board Module

Countryoforigin: USA
Operatingtemperature: -20°C To 60°C
Insulationvoltage: 2500V
Country Of Origin: USA
Category: Electrical Components
Packagetype: IGBT Module
Warranty: 1 Year Limited Warranty
Usage: Replacement Parts For GE Modules

Miss. Liliya

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