IS220YPROS1AJ General Electric Mark VIe I/O Protection Module
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Dimensions: 16 x 16 x 3 cm
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Country of origin: USA
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Payment: T/T, Western Union
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Shipping port: Xiamen
Product Overview
The IS220YPROS1AJ is a Mark VIe–family Emergency Turbine Protection I/O Pack used in GE distributed control and turbine protection architectures. It is applied as an independent protective I/O layer that can supervise the primary turbine control and initiate a protective trip when unsafe conditions are detected. Typical configurations use three packs in a triple modular redundant (TMR) arrangement mounted on an SPRO terminal board to provide high-integrity protection coverage.
Key functional roles include: backup overspeed protection, speed-based event detection (overspeed/acceleration/deceleration), generator synchronization permissive/check functions, and watchdog supervision of the main control path. Communication to the control system is handled over an Ethernet-based I/O network (commonly implemented as an IONet connection in Mark VIe systems), allowing the protection layer to coordinate status and trip logic while remaining functionally independent from the primary controller execution.
Hardware Parameters
The IS220YPROS1AJ is designed for panel and cabinet installations where reliable 24 VDC I/O pack operation and robust mounting are required. It is commonly mounted directly to compatible terminal boards (such as SPRO and selected trip-related boards), and can also be interconnected using industry-standard multi-pin cabling where the application requires remote placement.
| Item | Specification (typical) |
|---|---|
| Module type | Emergency turbine protection I/O pack / I/O protection module |
| Series / platform | Mark VIe |
| Supply voltage | 24 VDC nominal |
| Network interface | Ethernet-based I/O network connection |
| Protection architecture | Supports simplex, dual-controller supervision, and TMR system implementations |
| Operating temperature | -30°C to +65°C |
| Mounting | Direct-to-terminal-board mounting options; cable-interconnect options depending on board type |
| Approx. weight | ~0.36–0.45 kg (revision/mounting dependent) |
Industrial Applications
Common deployment scenarios for the IS220YPROS1AJ include:
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Emergency overspeed protection I/O in steam, gas, and other turbine control systems
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Backup trip initiation using independent relay paths when primary control faults are detected
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Generator synchronization check/permissive functions in turbine-generator packages
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Independent watchdog monitoring of simplex or dual main controllers (R/S supervision in dual systems)
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TMR protection implementations using three packs with an SPRO terminal board and associated trip boards (e.g., TREG, TREL, TRES, TREA, depending on turbine type and trip design)
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Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.