GE IS220YTURS1A Mark VIeS Primary Turbine Protection I/O Module

The IS220YTURS1A is a Primary Turbine Protection I/O Module from General Electric. This critical component belongs to the trusted Mark VIeS series and provides robust electrical interface for turbine control systems.

Technical Specifications

• Brand: General Electric (GE)
• Model: IS220YTURS1A
• Product Type: Primary Turbine Protection I/O Module
• Series: Mark VIeS
• Input Voltage: 120V AC
• Operating Voltage Range: 90V to 265V AC
• Output Voltage: 5V to 24V DC
• Power to Contacts: 125 V DC
• Signal Feedback I/O: Analog (4-20mA)
• Communication Protocol: Modbus
• Operating Temperature: 0°C to 60°C
• Mounting Style: DIN-Rail
• Number of Channels: 6

Key Features

• Handles four passive magnetic speed sensor inputs
• Processes bus and generator voltage inputs
• Manages shaft voltage and current signals
• Supports eight flame sensor inputs
• Provides outputs to main breaker for system control
• Features safety-certified protection functions
• Compatible with TTUR and TRPA terminal boards
• Speed input frequency range: 2 to 20,000 Hz

Compatibility & Integration

• Plugs directly into TTUR terminal board
• Three YTUR packs can fit into TRPA board
• Works with TTURS1C, TRPAS1A, TRPAS2A terminal boards
• Compatible with TRPGS1B and TRPGS2B boards
• Uses secure box connector types
• TRPA arrangement provides solid-state primary trip relays

Performance Specifications

• Nominal power supply voltage: 28.0 V DC
• Minimum operating voltage: 27.4 V DC
• Maximum voltage rating: 28.6 V DC
• Wide ambient temperature range: -30°C to 65°C
• S-style conformal PCB coating
• Flame detection safe state: presence of flame
• Country of Origin: USA

Testing & Verification

• Test speed inputs by varying signal references
• Verify flame detector inputs with flame observation
• Test E-Stop input by actuating and monitoring PTRs
• System maintains outputs during single pack failure
• Check for diagnostic faults before testing
• Configurable items marked with (CFG) identifier

Shipping & Packaging

• Product weight: 2.00 lbs
• Dimensions: 3.4 x 6.37 inches
• Secure packaging for transit protection
• Shipping via FedEx, UPS, or DHL
• Item includes I/O module only
• Standard packaging without documentation

Frequently Asked Questions

• What is the main function? Primary turbine protection
• How many speed inputs? Four passive magnetic inputs
• Compatible terminal boards? TTUR and TRPA series
• Operating temperature range? 0°C to 60°C
• Flame detection principle? Presence of flame is safe state
• Communication protocol? Modbus

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