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SPECIFICATIONS:
Part Number: IS200TPIMG1A
Manufacturer: General Electric
Series: Mark VI
Board Type: Protective Interface Terminal Board
Number of Terminal Blocks: 3
Signal Type: Discrete (Digital)
Input Voltage: 24 VDC
Terminals per Block: 20
Number of Channels: 16
Fuses: 8 × 125 V
Mounting: DIN rail
Operating Temperature Range: -20°C to +60°C
Size: 23.8 cm high × 8.6 cm
Weight: 0.8kg
Repair: 3-7 days
Availability: In Stock
Country of Origin: United States
FUNCTIONAL DESCRIPTION:
IS200TPIMG1A is a Protective Interface Terminal Board manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Gas Turbine Control Systems. This board primarily manages trip signals and critical protection inputs such as Emergency Stop (E-Stop) commands and relay feedback. Its design ensures electrical isolation between control logic and field devices, enhancing system safety and signal integrity. The board supports applications requiring high reliability, such as gas and steam turbines, by enabling precise routing and monitoring of protection signals.
OPERATION:
The board functions as a passive interface that routes trip and protection signals from the turbine control processor to external field devices. When a trip condition is detected, the control processor sends a signal to the board, which then actuates the appropriate relays to initiate the shutdown of the turbine or associated systems. The board also monitors feedback from these field devices to confirm the status of the protection circuits. In configurations employing Triple Modular Redundancy (TMR), the board supports 2-out-of-3 voting logic to ensure that trip actions are executed only when confirmed by at least two channels, thereby enhancing system reliability and fault tolerance.
INSTALLATION:
It connects to the control processor and other system components via ribbon cables. Field wiring from external protection circuits, such as E-Stop buttons, trip relays, and breaker coils, is securely connected to the board's terminal blocks. Proper installation requires adherence to GE's recommended grounding and shielding practices to minimize electromagnetic interference and ensure signal integrity. The board is typically mounted on a DIN rail or chassis within the control panel, with careful attention to cable management and labeling to facilitate maintenance and troubleshooting.
COMPATIBILITY:
The IS200TPIMG1A supports both simplex and Triple Modular Redundant (TMR) configurations, enabling it to function effectively in systems that demand high levels of fault tolerance and safety integrity. In TMR setups, the board assists with voting logic and redundancy management, which are essential for ensuring that trip commands are executed only upon confirmation from multiple channels, reducing the likelihood of false trips and improving system reliability. It is fully compatible with related protection interface modules such as TRLY (Trip Relay Terminal Board), TREG (Trip Emergency Gate Board), and TRPG (Trip Power Ground Detection Board). These boards work in tandem to provide a comprehensive protection strategy by managing trip signals, emergency stops, power fault detection, and relay outputs.
WOC offers the industry’s largest inventory of replacement parts for GE Speedtronic Gas Turbine Control Systems, including both unused and refurbished components, each backed by a comprehensive warranty. We also provide expert repair services for faulty boards to ensure minimal downtime. Our team of automation specialists is available 24/7 to support all your OEM requirements. For parts, repairs, or technical support, contact us by phone or email. We are dedicated to delivering fast, reliable, and knowledgeable service.
What is a Protective Interface Terminal Board?
A Protective Interface Terminal Board is a critical component in turbine control systems, used to interface protective relay circuits with control hardware. It ensures safe isolation and signal conditioning between field devices and the control system.
What is the primary function of the Protective Interface Terminal Board?
The Protective Interface Terminal Board acts as an intermediary between the turbine control processor and external protection devices. It routes critical trip signals, emergency stop inputs, and relay feedback while ensuring electrical isolation to protect control circuitry from high voltages or noise.
What types of signals does the PITB handle?
The board primarily handles discrete input and output signals related to protective functions. These signals include emergency stop (E-stop), overspeed trip, overtemperature, flame failure, and other fault or trip conditions.
