Description
Product Overview
The IS220YTURS1A Turbine Specific Primary Trip I/O Pack from GE’s Mark VIeS series delivers precise turbine protection and control. It interfaces directly with the TTUR terminal board and supports critical trip functions, voltage sensing, and speed measurement. This compact module handles high-speed pulse inputs and outputs trip signals for overspeed protection.
Designed for both simplex and TMR systems, the IS220YTURS1A uses PR3 and JR4 connectors in simplex mode, and expands to PS3, PT3, JS4, and JT4 in TMR configurations.
Technical Specifications
| Specification |
Details |
| Manufacturer |
GE |
| Series |
Mark VIeS |
| Model |
IS220YTURS1A |
| Description |
Turbine Specific Primary Trip I/O Pack |
| Voltage Output |
125 Vdc |
| Pulse Rate Devices |
12 |
| Dimensions |
8.3 cm × 4.2 cm × 12.2 cm |
| Weight |
340 g |
| Connector Types |
PR3, JR4 (Simplex); PR3–JT4 (TMR) |
| Compatible Terminal Board |
TTUR |
Features & Benefits
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The IS220YTURS1A supports 12 pulse rate inputs for turbine speed sensing.
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Its compact 8.3×4.2×12.2 cm size fits easily into dense control environments.
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Weighing just 340 g, the module offers lightweight installation and handling.
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It delivers 125 Vdc output to the main breaker coil for generator synchronization.
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Inputs from shaft voltage and current sensors enhance protection accuracy.
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Three overspeed trip outputs ensure fast response to critical turbine conditions.
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Additional I/O signals from the trip board expand control capabilities.
Application & Compatibility
The IS220YTURS1A module is ideal for turbine control systems requiring precise speed and voltage monitoring. It integrates with GE’s TTUR terminal board and supports both simplex and TMR configurations. Use this I/O pack in power generation, industrial turbines, and safety-critical environments.
Its compatibility with multiple connectors and trip boards allows flexible deployment across various Mark VIeS architectures. The module supports induced shaft voltage and current sensing, making it suitable for advanced diagnostic applications.
