The GE IS220PTURH1B(IS230TNTRH1C) is a turbine-specific Primary I/O Trip Pack designed for GE Energy’s Mark VI and Mark VIe Speedtronic control systems. It facilitates turbine protection and control, making it ideal for both gas and steam turbine applications. The module connects to terminal boards such as the IS200TRPAS1A, processing vital input/output signals.

Technical Specifications

• Part Number: IS220PTURH1B(IS230TNTRH1C)
• Series: Mark VI / Mark VIe Speedtronic
• Functional Acronym: PTUR (Primary Turbine I/O Trip Pack)
• Functional Revision: B
• PCB Coating: Conformal coating
• Mounting: Plastic chassis with screw standoffs (non-VME rack)

Physical Dimensions

• Dimensions: 241 × 194 × 152 mm
• Weight: 3 kg

Power Supply and Inputs

• Power Supply Voltage: 27.4–28.6 VDC
• Voltage Detection Inputs: 16–140 VDC (via TRPA board)
• E-stop Input Voltage: -15 to +15 VDC
• Speed Inputs Voltage: 28 VDC
• Flame Detector Inputs: 8 channels
• Current Measurement Inputs: 1 channel
• Bus Voltage Inputs: 1 channel
• Shaft Voltage Inputs: 1 channel

Outputs and Ports

• Outputs: 3 channels
• Ethernet Ports: Dual 100 Mbps full-duplex (ENET1 & ENET2)

Diagnostic Indicators and Control

• Diagnostic Indicators: LEDs for PWR, Turbine I/O, ENET1, ENET2, K25, K25P
• Control Modes: Compatible with both Simplex and TMR configurations

Performance Specifications

• Turbine Protection Level: Primary Turbine Protection
• I/O Turbine Status: Both Input and Output
• Number of Channels: 8
• Number of PT Inputs: 2
• Number of Breakers Supported: 2
• Input Voltage Range: 70 – 120 V
• Analog Outputs: 0-20 mA, up to 900 Ohms
• Slip Range Supported: ±3 Hz max
• Accuracy: ±0.5%

Operating Environment

• Operating Temperature Range: -40°C to +70°C