IS220PTURH1A

Overview

The IS220PTURH1A is a Primary Turbine Protection I/O Pack from GE’s Mark VIe system, designed to interface with terminal boards and manage turbine speed monitoring, trip protection, and Ethernet-based communication.

Basic Information

• Part Number: IS220PTURH1A

• Manufacturer: General Electric

• Series: Mark VIe

• Type: Turbine Protection I/O Pack

• Mounting Board: TTURH1C

Functional Capabilities

• Primary Functions: Speed monitoring, trip protection, communication interface

• Speed Inputs: 4 passive magnetic speed sensors

• Minimum Detectable Speed: 2 RPM for turning gear

• Overspeed Protection: Median speed used as primary Overspeed trip signal

Communication & Control

• Ethernet Ports: Dual 10/100 Mbps (RJ-45)

• Auto-Reconfiguration: Supported via ToolboxST (firmware, settings, bootloader)

• Internal Features:

• Flash memory

• RAM

• Read-only ID chip

• Internal temperature sensor

• Reset circuitry

Hardware Features

• Enclosure: Black case with ventilation slots

• Status Indicators: LED lights on front panel

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