GE Energy IS200TPIMG1A Mark VI Protective Interface Board

Description

The GE Energy IS200TPIMG1A is a Protective Interface Terminal Board designed for use within the Mark VI Speedtronic Gas Turbine Control Systems. The IS200TPIMG1A serves as a passive interface board that primary manages critical trip signals and protection inputs, such as Emergency Stop (E-Stop) commands and relay feedback. It provides electrical isolation between control logic and field devices to safeguard system integrity. The board routes trip and protection signals from the turbine control processor to external field devices, actuating onboard relays upon trip detection to initiate shutdown procedures. It monitors feedback from field devices and supports 2-out-of-3 voting logic in Triple Modular Redundant (TMR) configurations to execute trip actions only when confirmed across multiple channels.

Features

• Handles discrete inputs and outputs for critical protective functions, including emergency stops, overspeed, overtemperature, and flame failure.
• Equipped with three horizontal terminal blocks (TB1, TB2, TB3) providing 20 silver metal terminals each.
• Includes eight 125 V fuses divided into two groups of four.
• Integrated with nine black and white relays/contactors covered in clear plastic.
• Contains one vertically situated integrated circuit and a half-circle transistor on the upper right PCB assembly.
• Full compatibility with TRLY, TREG, and TRPG protection interface modules for comprehensive trip management.

Applications

• GE Speedtronic Mark VI gas turbine control systems
• Steam turbine protection systems
• Emergency Stop (E-Stop) circuit integration
• Triple Modular Redundant (TMR) and simplex protection setups
• High-reliability industrial protective relay interfacing

Technical Specifications

Installation Guidelines

• Mounting: Mount the board on a DIN rail or within the panel chassis, ensuring proper clearance for cable routing.
• Field Wiring: Connect external field devices (E-Stop buttons, trip relays, breaker coils) to the screw terminals on terminal blocks TB1, TB2, and TB3.
• System Connections: Connect the board to the control processor and associated system modules via ribbon cables.
• Grounding and Shielding: Follow GE recommended grounding and shielding practices for noise reduction and electromagnetic interference mitigation.