GE IS220PPROS1B

GE IS220PPROS1B is an emergency turbine protection I/O package manufactured and designed by General Electric(GE),which is part of the Mark VIe series used in GE distributed control systems.The following is a detailed explanation of the product:

I.Product Overview

GE IS220PPROS1B plays a key role in turbine control systems as an emergency turbine protection I/O package.It provides a backup overspeed protection system with a backup check function for synchronizing the generator with the mains bus and acts as an independent monitor for the main control.This I/O package is capable of processing three different types of speed signals,including hardware-implemented overspeed,acceleration,deceleration,and basic overspeed,ensuring safe operation of the turbine.

GE IS220PPROS1B

II.Product Features

Compatibility:IS220PPROS1B is compatible with 6 discrete output terminal boards,including SRLY and TRLY connections,as well as 1 DC connector and 2 RJ45 connectors.

Dimensions and Weight:The dimensions of this I/O package are 3.25 inches high×1.65 inches wide×4.78 inches deep,and the weight is moderate,making it easy to install and maintain.

Memory and Communication:The IS220PPROS1B is equipped with flash and RAM as memory and has two Ethernet ports for IONet communication.

LED Indicator:It has four LED indicators,indicating power,attention,TxRx and link status,which are convenient for users to monitor the working status of the I/O package.

Triple Modular Redundancy(TMR):Three TMR PPRO I/O battery packs are installed on separate simplex protection(SPRO)terminal boards,forming a typical protection system,which improves the reliability and safety of the system.

III.Application Scenario

GE IS220PPROS1B is mainly used in gas turbine and steam turbine control systems.As an emergency protection I/O package,it provides backup overspeed protection and monitors the performance of the main control.In the fields of power production,oil and gas industry,etc.,this I/O package plays an important role to ensure the safe and stable operation of the turbine.

GE IS220PPROS1B

IV.Working Principle

IS220PPROS1B connects to the control module via Ethernet for IONet communication.It keeps a close eye on the performance of the main control and checks the main speed to ensure that everything is normal.Through a wide range of feedback signals,PPRO tracks the status and function of the selected trip board.If a fault is detected,the PPRO trips the backup trip relay on the trip board and initiates a trip on the main controller.The main control operates independently of the battery bank and is completely independent of the battery bank.

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