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GE IS220PTURH1A Mark VIe Turbine Specific Primary Trip I/O Pack
Product Description
The IS220PTURH1A is a primary trip I/O pack from the Mark VIe control system series developed by General Electric (GE). It is specifically designed for turbine protection systems, enabling reliable and fast-acting trip mechanisms for steam and gas turbines. Integrated within the Mark VIe architecture, the IS220PTURH1A interfaces with primary trip devices and critical protection functions such as overspeed protection, emergency trip, and interlock logic enforcement.
This I/O pack plays a crucial role in safe turbine operation by ensuring rapid isolation and shutdown when a hazardous event or condition is detected. Its design incorporates advanced diagnostics, dual redundant trip paths, and seamless communication with the Mark VIe controller via Ethernet.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | IS220PTURH1A |
| Series | Mark VIe |
| Function | Turbine Primary Trip I/O Pack |
| Interface | Ethernet-based, simplex or dual redundant |
| Trip Outputs | Dual coil relay outputs (fail-safe design) |
| Trip Input Sources | 24 VDC discrete signals |
| Diagnostic Capabilities | Comprehensive self-diagnostics, status LEDs |
| Compatible Modules | Connects to terminal boards like TRPG/TREG |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5–95% non-condensing |
| Mounting | DIN-rail or panel |
| Dimensions | 120 x 80 x 40 mm |
| Weight | 0.5 kg |
| Power Supply | 28 VDC nominal |
| Firmware Upgradable | Yes, via toolboxST or online methods |
| Certifications | CE, UL, CSA, RoHS compliant |
Applications
The IS220PTURH1A is deployed in critical turbine protection systems for:
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Steam turbine emergency trip systems
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Gas turbine overspeed protection
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Independent trip verification systems
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Logic enforcement for mechanical trip solenoids
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Integration in safety instrumented systems (SIS)
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Redundant primary trip actuation paths in power plants
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Oil & gas, petrochemical, and combined-cycle generation units
Product Advantages
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Dedicated Safety Role: Specifically engineered for primary trip protection, ensuring safety-critical actuation on detection of hazardous conditions.
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Redundant Design: Offers dual trip outputs to support high-integrity trip systems, enhancing fault tolerance.
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Diagnostic Intelligence: Built-in diagnostics, LED status indicators, and software integration allow fast fault detection and resolution.
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High Compatibility: Seamlessly integrates with Mark VIe I/O terminal boards such as TRPG and TREG for a modular setup.
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Fast Response: Low-latency relay actuation ensures compliance with turbine trip timing requirements.
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Robust Build: Designed to operate reliably under harsh industrial conditions, including extreme temperatures and electrical noise.
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Simplified Maintenance: Hot-swap capabilities and software upgradeability reduce downtime and maintenance efforts.
Frequently Asked Questions (FAQ)
Q1: What is the function of the IS220PTURH1A in turbine control systems?
A1: It serves as the primary I/O interface for trip commands in steam and gas turbine safety systems, executing emergency shutdowns.
Q2: Can IS220PTURH1A be used in redundant trip configurations?
A2: Yes, it supports dual trip outputs for redundant tripping applications, enhancing system reliability.
Q3: Is it compatible with other Mark VIe terminal boards?
A3: Yes, it works with GE terminal boards such as TRPG, TREG, and similar turbine trip interfaces.
Q4: What diagnostic features are included in the IS220PTURH1A?
A4: It includes self-diagnostics, LED status indicators, and error reporting through the Mark VIe control system.
Q5: How does it connect to the control system?
A5: Through Ethernet communication, supporting both simplex and redundant modes.
Q6: Can this module be hot-swapped during operation?
A6: Yes, the IS220PTURH1A supports hot-swapping without system interruption.
Q7: What power supply is required for the IS220PTURH1A?
A7: It typically requires a 28 VDC nominal power input.
Q8: Is firmware upgradeable on this module?
A8: Yes, firmware can be upgraded using GE’s ToolboxST software.
Q9: What standards does this module comply with?
A9: It is CE marked and compliant with UL, CSA, and RoHS standards.
Q10: What is the expected lifetime or MTBF of this module?
A10: While exact MTBF is system-dependent, GE designs this module for high-reliability applications with long service life.
Related or Similar Models (Same Series or Functional Compatibility)
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| IS220PRTDH1A | RTD Input I/O Pack for turbine sensors | 120 x 80 x 40 | 0.5 |
| IS220PAICH1A | Analog Input I/O Pack for current signals | 120 x 80 x 40 | 0.5 |
| IS220PDAAH1A | Discrete Input/Output I/O Pack | 120 x 80 x 40 | 0.5 |
| IS220PPROS1B | Position Feedback I/O Pack (LVDT/RVDT) | 120 x 80 x 40 | 0.5 |
| IS220PDOAH1A | Discrete Output Module | 120 x 80 x 40 | 0.5 |
| IS220PIAOH1A | Analog Output Pack | 120 x 80 x 40 | 0.5 |
Popular GE Models (Same Brand – GE Mark VIe or Industrial Automation)
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| IS220UCSAH1A | Universal Controller Module | 260 x 190 x 60 | 2.4 |
| IS220PAOCH1A | Analog Output I/O Pack | 120 x 80 x 40 | 0.5 |
| IS220PSVOH1A | Servo Valve Driver Module | 120 x 80 x 40 | 0.5 |
| IS200STAIH2A | Analog Input Terminal Board | 220 x 100 x 40 | 0.7 |
| IS220YDIAS1A | Discrete Input Pack with Relay Interface | 120 x 80 x 40 | 0.5 |
| IS200DSPXH1D | Digital Signal Processor Board (Mark VIe CPU) | 300 x 200 x 45 | 1.8 |
