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Sumset International Trading Co.,Ltd We Are A Professional Supplier For Industrial Automation Spare Parts.
3 Years
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| Brand Name : | GE |
| Model Number : | IS220PPRAH1A |
| Certification : | COO |
| Price : | $7500 |
| Payment Terms : | T/T |
| Supply Ability : | 999 |
| Delivery Time : | 5-7days |
The GE IS220PPRAH1A is an Emergency Turbine Backup Protection I/O Module under the Mark VIeS Series, designed for GE Distributed Turbine Control Systems. As a critical safety component, it forms an independent triple modular redundant (TMR) backup overspeed protection system—paired with the TREA terminal board and WREA option board—to safeguard turbines. It also provides a watchdog function for primary controls and isolated trip inputs, supporting IEC 61508/61511 certified safety loops. Manufactured in the U.S., it is readily available with a 3–7 day repair turnaround, suitable for both conventional and wind turbine applications.
Key Features:
Backup Protection & Redundancy: Operates as a TMR system (requires 3 PPRA packs on TREA/WREA) for
reliable overspeed protection, preventing single/dual-pack
failures. Adds 6-speed inputs for dual-speed sensors per shaft,
enhancing turbine safety.
Technical Specs: Runs on 24 V DC (≤15 W power), with 16 input channels (0–5 V) and
2 transducers. Supports 1.5 Hz pressure wave frequency, 2 Hz MPU
pulse rate, and Modbus TCP/IP. Operates at -20 to +70°C, with max
15Ω lead resistance for signal integrity.
Compatibility & Connectivity: Mounts exclusively to TREA terminal boards with WREA option board.
Dual 10/100 Ethernet ports enable flexible network
links—configurable for single/dual/three-controller setups.
Reliability & Diagnostics: Equipped with a high-speed processor, hardware watchdog, internal
temp sensor, and status LEDs. Soft-start power control limits
inrush current; current limiting prevents fault propagation.
Electronic ID checks ensure pack-terminal board compatibility.
Industrial Design: Surface-mounted with conformal PCB coating for durability. Modular
“IS220” pack-style design eases installation/maintenance, aligning
with Mark VIeS’s non-legacy, versatile architecture.
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