Analog I/O Terminal Board (TCAT – TMR Architecture Adaptation)
GE Speedtronic Mark VI – IS200 Series

Product Overview

This analog I/O terminal board is designed for the GE Speedtronic Mark VI control system (IS200 series) and specifically supports TMR (Triple Modular Redundant) architecture. It provides a reliable field interface for analog signal acquisition, conditioning, and conversion, enabling accurate sensor input processing and analog device control within Mark VI TMR systems.

The board integrates seamlessly with Mark VI TMR I/O racks and is optimized for redundant signal handling in high-availability turbine control applications.

Core Functions

Analog signal acquisition from field sensors and devices

Signal conditioning, isolation, and conversion for Mark VI TMR I/O modules

Supports redundant signal paths required by TMR architecture

Ensures high accuracy and stability in critical control systems

Installation & Mechanical Specifications

Installation method: Cabinet panel mounting

System compatibility: Mark VI TMR I/O rack

Protection level: IP20 (installed inside control cabinet)

Terminal configuration:

3 sets of main wiring terminals for multi-channel analog signals

6 socket connectors for redundant link connections:

PR1 / PS1 / PT1

PR2 / PS2 / PT2

Weight: approx. 0.5 kg

Key Technical Parameters

Supported Signal Types

Thermocouple (TC) inputs

LVDT signals

4–20 mA current signals

Analog voltage signals

Other standard industrial analog sensor signals

Signal Conditioning

Built-in signal amplification, filtering, and isolation circuits

Designed for redundant signal processing in TMR systems

Resolution

12-bit A/D conversion, suitable for high-precision analog acquisition

Isolation & Noise Immunity

Electrical isolation between channels

Surge resistance and high-frequency noise suppression

Enhanced anti-interference capability for harsh environments

Power Supply

Powered by Mark VI system 24 V DC logic supply

Configuration

Hardware jumper configuration for signal type and input range

Flexible adaptation to different sensor inputs

Environmental Conditions

Operating temperature: –30 °C to +65 °C

Relative humidity: 5% to 95%, non-condensing

Typical Applications

Turbine temperature, position, and process variable monitoring

Redundant sensor input processing in TMR systems

Analog actuator control and feedback loops

Power generation and critical industrial automation systems