GE IS220YTURS1A Turbine Protection Module Mark VIeS

Critical Safety Protection for Industrial Turbines

General Electric engineered the IS220YTURS1A for reliable turbine protection. This Primary Turbine Protection I/O Module works within Mark VIeS safety systems. It provides essential monitoring and shutdown functions for industrial turbine operations.

Core Technical Specifications

• Manufacturer & Model: General Electric IS220YTURS1A
• Product Type: Primary Turbine Protection I/O Module
• Series: Mark VIeS Safety System
• Number of Channels: 6 input/output channels
• Power Supply: 28 VDC nominal (27.4-28.6 VDC range)
• Contact Rating: 125 VDC maximum
• Operating Temperature: -30°C to +65°C ambient

Key Protection Functions

• Monitors up to four passive magnetic speed sensor inputs
• Provides flame detection for eight separate flame sensors
• Interfaces with electrical trip devices (ETD) via relay outputs
• Handles bus voltage, generator voltage, and shaft signals
• Controls outputs to main breaker for emergency shutdown
• Supports hardware fault-tolerant channel operation

Input & Output Specifications

• Speed Inputs: 2 to 20,000 Hz frequency range
• Flame Detection: Triggers on pulses above 2.5V
• Analog I/O: 4-20mA signal feedback capability
• Communication: Modbus protocol support
• Input Voltage: 120V AC operational
• Output Range: 5V to 24V DC adjustable

Compatibility & Integration

• Designed for use with Mark VIeS safety systems
• Compatible with TTUR and TRPA terminal boards
• Plug-and-play with TTURS1C, TRPAS1A, TRPAS2A terminal boards
• Works with TRPGS1B and TRPGS2B for trip relay applications
• Features box connector types for secure terminal connections
• DIN-rail mounting for easy panel installation

Physical Specifications

• Dimensions: 3.4 x 6.37 inches (86 x 162 mm)
• Weight: 2.00 lbs (0.91 kg)
• PCB Coating: S-style conformal coating
• Revision Level: Functional Revision A
• Manufactured in the United States
• Includes special assembly features for enhanced reliability

Product Availability

• This module is currently in stock
• New and original General Electric product
• Ships in protective factory packaging
• Immediate availability for urgent requirements

Shipping & Delivery

• Orders typically ship within 24 hours of placement
• Express shipping available via FedEx, UPS, and DHL
• International shipping to most global destinations
• Complete tracking information provided for all shipments
• Professional packaging ensures safe transit

Installation & Configuration

• Consult GE manual GEH-6721P for complete installation guidelines
• Verify proper terminal board compatibility before installation
• Ensure power supply remains within 27.4-28.6 VDC range
• Maintain ambient temperature within specified operating limits
• Configure speed and flame detection parameters per application
• Test all protection functions before placing system in service

Testing & Commissioning

• Test speed inputs by varying signals and comparing to reference
• Verify flame detection operation by observing flame presence
• Test E-Stop input by actuating and observing PTR drop-out
• Check system maintains outputs during communication loss
• Validate all configurable items (CFG) are properly set
• Ensure no diagnostic faults exist before operational use

Frequently Asked Questions (FAQ)

What is the primary function of this module?

• The IS220YTURS1A provides primary turbine protection including speed monitoring, flame detection, and emergency trip functions.

How many speed sensors can it monitor?

• It can interface with up to four passive magnetic speed sensors simultaneously.

What terminal boards are compatible?

• Compatible boards include TTURS1C, TRPAS1A, TRPAS2A, TRPGS1B, and TRPGS2B.

What is the operating voltage range?

• The module operates on 28 VDC nominal, with an acceptable range of 27.4 to 28.6 VDC.

Is this a safety-certified module?

• Yes, the IS220YTURS1A is part of the Mark VIeS safety system with certified protection functions.

Where can I find technical documentation?

• Refer to GE manual GEH-6721P for complete specifications, installation, and testing procedures.