产品介绍
The GE IS220PPRAH1A Emergency Turbine Backup Protection I/O Module is a critical component in GE’s Mark VIe control system architecture, designed to provide high-integrity, independent protection for industrial and power generation turbines.
This module acts as a secondary backup to the primary turbine controller, providing fast and reliable emergency shutdown capability for gas and steam turbines in the event / a critical fault or controller failure. The IS220PPRAH1A module is specifically engineered to interface directly with the turbine trip mechanisms, emergency shutdown devices (ESD), and overspeed protection systems.
It operates independently / the primary control system logic, with hardwired inputs and outputs for maximum integrity and response time. Featuring robust diagnostics, isolated I/O, and compliance with rigorous industry safety standards, the IS220PPRAH1A ensures an added layer / protection to safeguard critical equipment and personnel.
产品规格
| Parameter | Specification |
|---|---|
| Product Name | GE IS220PPRAH1A Emergency Turbine Backup Protection I/O Module |
| 型号 Number | IS220PPRAH1A |
| Series | GE Mark VIe / IS220 Series |
| Function | Emergency shutdown and turbine protection I/O module |
| Inputs | 10 discrete high-speed inputs |
| Outputs | 6 relay outputs (high-speed, dry contact) |
| Input Voltage Range | 24 VDC nominal (range 18–32 VDC) |
| Output 联系我们 Rating | 5 A at 24/125/250 VDC or 250 VAC resistive |
| Output Response Time | < 10 ms |
| Isolation | Optical isolation for all I/O channels |
| Onboard Diagnostics | Self-test, watchdog, I/O status monitoring |
| Communication Interface | Redundant Ethernet IONet |
| Power Supply Input | External 24 VDC (redundant supported) |
| Power Consumption | ~8 W typical |
| Operating Temperature Range | -30°C to +65°C |
| Storage Temperature Range | -40°C to +85°C |
| Humidity Range | 5% to 95%, non-condensing |
| Shock / Vibration Compliance | IEC 60068 |
| Mounting Type | Panel-mounted or DIN rail |
| Dimensions (H x W x D) | 330 x 170.8 mm |
| 重量 | 1.2 kg |
| Certifications | CE, UL, CSA, SIL-rated (per IEC 61508) |
Product Applications
The IS220PPRAH1A module is an essential safety and protection component in the following applications:
-
Gas Turbine Emergency Shutdown
Provides direct interface with trip solenoids and shutdown valves in gas turbine systems. -
Steam Turbine Overspeed Protection
Monitors critical overspeed conditions and initiates rapid protective trips. -
Combined Cycle Plants
Functions as backup protection for both gas and steam turbines in CCGT applications. -
Industrial Process Turbines
Protects mechanical drive turbines used in refineries, petrochemical plants, and industrial compressors. -
Nuclear Auxiliary Systems
Provides hardwired, independent emergency shutdown paths for safety-critical turbines. -
Retr/its and Upgrades
Enables modern SIL-compliant backup protection when upgrading older GE Mark V or Mark IV systems.
Product Advantages
-
Independent Operation
Functions independently / the main turbine controller to ensure backup protection even during controller faults. -
High-Speed Response
Output response time <10 ms for fast and decisive protective actions. -
SIL Compliant
Meets IEC 61508 SIL safety requirements for turbine protection. -
Isolated I/O Channels
Full isolation prevents unwanted interactions between field devices and system grounds. -
Extensive Diagnostics
Monitors input status, output health, and internal watchdogs for maximum system reliability. -
Redundant Ethernet Interface
Ensures secure and reliable communication with the plant control network. -
Hot-Swappable
Designed to support easy maintenance and field replacement when paired with compatible terminal boards. -
Flexible Deployment
Panel or DIN rail mounting for versatile installation.
常见问题 (FAQ)
-
What is the main function / the IS220PPRAH1A module?
It provides independent emergency shutdown and backup turbine protection in critical systems. -
How many discrete inputs does it support?
10 discrete high-speed input channels. -
What are the output specifications?
6 relay outputs rated 5 A at 24/125/250 VDC or 250 VAC. -
How fast is the output response?
Response time is less than 10 milliseconds. -
Does it provide isolated I/O?
Yes, all channels are optically isolated. -
Is this module SIL-rated?
Yes, it is SIL-compliant per IEC 61508. -
Is it compatible with older GE systems?
Yes, it can be integrated into upgrades / Mark V and Mark IV systems. -
How is this module powered?
It uses external 24 VDC with optional redundancy. -
Can it be hot-swapped?
Yes, when used with appropriate terminal boards. -
What type / turbines is it used on?
Gas turbines, steam turbines, combined cycle, and mechanical drive turbines.
Recommended Related 型号s
| 型号 Number | 描述 |
|---|---|
| IS220PPROH1A | Turbine Protection Module |
| IS220PAICH1B | Analog Input Module |
| IS220PAOCH1B | Analog Output Module |
| IS220PTCCH1A | Thermocouple Input Module |
| IS220PDIOH1B | Discrete Input/Output Module |
| IS220VPROH1B | Vibration and Speed Protection Module |
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| 型号 Number | 描述 |
|---|---|
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| DS200PCCAG5ACB | Power Converter Interface Board |
| DS200TCPSG1A | Power Supply Board |
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| DS200TBCAG1A | Analog Input/Output Terminal Board |
公司信息
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