IS230TNCIH4C GE Module Parts TNCI I/O Interface Board
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.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model Number | IS230TNCIH4C |
| Functional Acronym | TNCI |
| Product Type | I/O Interface Board |
| Product Series | Mark V |
| Board Revision | H4C |
| Rack Compatibility | 13-slot or 21-slot VME rack |
| Redundancy Support | Simplex, Dual, TMR |
| Communication | UDH or IONet, depending on configuration |
| Connectors | 3 × 37-pin Sub-D connectors |
| Additional Connectors | 2 female plug connectors |
| Terminal Blocks | TB1 and TB2 |
| Protection Components | 25 Metal Oxide Varistors (MOVs) |
| Humidity | 5–95% RH, non-condensing |
| Installation | GE turbine control cabinet |
| Main Function | Turbine control signal interfacing |
Provides electrical connections between field terminal blocks and the turbine control system.
Transfers control and monitoring signals through its interface connectors to associated control hardware.
Uses MOV components to help suppress transient voltage surges and protect connected circuits.
Supports Simplex, Dual, and TMR configurations, depending on the host system architecture.
Supports integration with the relevant GE Mark V communication architecture.
The IS230TNCIH4C is a TNCI I/O interface board used in GE Mark V turbine control systems.
It provides signal interfacing and distribution between field terminal connections and the turbine control system.
It is associated with the GE Speedtronic Mark V gas turbine control platform.
Yes. Product references identify support for Simplex, Dual, and TMR configurations, depending on the system installation.
The listed configuration includes three 37-pin Sub-D connectors, two additional female plug connectors, and two terminal blocks.
GE TNCI I/O Interface Board
,IS230TNCIH4C GE Module Parts
,GE TNCI Interface Board Module
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