IS230TCISH6C
April 22, 2026

IS230TCISH6C

IS230TCISH6C is a dedicated I/O signal interface terminal board for GE Speedtronic Mark VIe control system, mainly used for field signal transfer and wiring management of power equipment such as gas turbines and steam turbines. Adopting a passive design, it is equipped with multiple pluggable terminals, featuring excellent electrical isolation and anti-interference capability. Supporting DIN-rail mounting, it can stably connect various field signals including temperature, pressure and discrete signals, suitable for simplex and TMR triple redundant systems, widely applied in power generation, oil & gas and other industrial control scenarios.

Description

Basic Overview

Manufacturer: General Electric (GE), USAModel: IS230TCISH6CProduct Series: Speedtronic Mark VIe Turbine Control System (Distributed I/O Terminal Board)Product Type: DIN‑Rail Mounted I/O Terminal Interface Board (TCI – Terminal Control Interface)Core Application: Field signal wiring, isolation, and interface for gas/steam turbine control, power generation, oil & gas, and industrial critical process systems. It serves as the physical connection layer between field sensors/actuators and the Mark VIe controller I/O packages, enabling reliable signal transmission in harsh industrial environments.

Core Functional Features

  1. Interface & Wiring Design

    • Equipped with 2 pluggable fence‑style terminal blocks, each with 24 connection points (total 48 field wiring points), supporting #12 AWG (2.05 mm²) or #14 AWG (1.63 mm²) wires, 300V insulation rating.

    • Screw terminal pitch: 9.53 mm (0.375 in), compatible with ring terminals and bare wire termination with retention clips.

    • Backside: 3 × 37‑pin female connectors + 2 auxiliary plug connectors, for direct connection to Mark VIe I/O processor packages (e.g., IS220 series I/O packs) via custom cables.

    • Integrated chassis ground (SCOM) terminals for short‑path EMC/grounding protection.

  2. System Compatibility & Architecture

    • Designed for Mark VIe / Mark VIeS distributed control systems, supports simplex and TMR (Triple Modular Redundant) configurations.

    • Works with Mark VIe I/O packages (local processor running QNX real‑time OS + data acquisition board) for distributed I/O deployment.

    • Passive circuit design: No active components on the terminal board; supports hot‑swap and field wiring reconnection if passive circuits fail.

  3. Environmental & Mechanical Reliability

    • Industrial‑grade PCB, fanless passive cooling, DIN‑rail mounting metal carrier for cabinet installation.

    • High isolation, surge suppression, and EMI/RFI immunity for power plant/heavy industrial electromagnetic interference environments.

    • Fully software‑configured; no on‑board jumpers/DIP switches required for channel setup.

Technical Specifications

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Application & System Matching

  • Primary Use: Interface for analog/digital input/output field signals (temperature, pressure, flow, limit switches, valve position, relay control) in Mark VIe turbine control systems.

  • Compatible I/O Packages: IS220PAICH, IS220PAOCH, IS220PCLAH, IS220PCNOH series Mark VIe I/O processor modules.

  • Typical Deployment: Distributed I/O racks near field equipment, reducing long cable runs and improving signal integrity.

Key Advantages

  1. Pluggable Terminals: Fast wiring, easy maintenance, and reduced downtime during replacement.

  2. High Isolation & Noise Immunity: Stable signal transmission in strong electromagnetic interference environments.

  3. Distributed I/O Flexibility: DIN‑rail mount supports decentralized layout, matching Mark VIe distributed architecture.

  4. Redundancy Support: Fully compatible with TMR architecture for critical turbine safety and control loops.


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