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GE IS220YAICS1A L Mark VIe Safety Analog I/O Pack
Product Overview
The GE IS220YAICS1A L is a high-integrity Safety Analog Input/Output (I/O) Pack designed for GE’s Mark VIe Speedtronic™ turbine control system, serving critical applications in power generation, oil and gas, and industrial automation. As a core component of the Mark VIe safety architecture, this module combines analog signal conditioning, digital processing, and redundant communication to ensure reliable operation in safety-critical environments . The IS220YAICS1A L supports 8 analog input channels and 4 analog output channels, with 12-bit resolution and SIL 2 certification, making it ideal for applications requiring compliance with international safety standards (e.g., IEC 61508) .
Featuring dual 28V DC power inputs and hot-swappable design, the IS220YAICS1A L ensures continuous operation even during maintenance. Its -40°C to +70°C operating range and IP20-rated metal enclosure enable deployment in extreme conditions, including offshore platforms and nuclear power plants . The module integrates with GE’s Proficy™ software for real-time diagnostics, allowing remote monitoring of sensor health, signal integrity, and fault conditions.
Within the Mark VIe ecosystem, the IS220YAICS1A L pairs with IS200STAIS1A or IS400STAIS1A terminal boards to interface with pressure transducers, thermocouples, and other analog devices, simplifying wiring and enhancing system scalability . Compliance with UL 508 and IEC 61010 standards ensures safety and reliability in regulated industrial settings, including hazardous locations when used with approved accessories.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IS220YAICS1A L |
| Manufacturer | GE |
| Product Type | Safety Analog I/O Pack |
| Series | Mark VIe Speedtronic™ |
| Input Channels | 8 isolated analog inputs (4-20mA/±10V DC) |
| Output Channels | 4 isolated analog outputs (4-20mA/0-10V DC) |
| Resolution | 12-bit (analog inputs/outputs) |
| Accuracy | ±0.1% of full scale |
| Power Supply | Dual 28V DC (±10%) |
| Communication Protocol | 10/100Mbps Ethernet (dual ports) |
| Safety Integrity Level | SIL 2 (IEC 61508) |
| Physical Dimensions | 160 mm (L) × 160 mm (W) × 120 mm (D) |
| Weight | 0.8 kg |
| Operating Temperature | -40°C to +70°C |
| Humidity | 5–95% non-condensing |
| Mounting Type | Rack-mounted (Mark VIe I/O rack compatible) |
| Compliance | UL 508, IEC 61010, CE, SIL 2 |
| Country of Origin | United States |
Main Features and Advantages
Safety-Critical Performance: The IS220YAICS1A L is certified to SIL 2, ensuring fail-safe operation in applications where system integrity is paramount, such as turbine overspeed protection and emergency shutdown systems. Its redundant communication pathways and dual power inputs minimize single points of failure, aligning with industry best practices for safety instrumented systems (SIS) .
Multi-Channel Signal Conditioning: With 8 analog inputs supporting voltage (±10V DC), current (4-20mA), and temperature (RTD/thermocouple) signals, the module accommodates a wide range of industrial sensors. Built-in cold junction compensation and noise filtering ensure accurate measurements in high-interference environments, critical for turbine vibration monitoring and process control .
Hazardous Location Certification: UL-listed for Class I, Division 2 hazardous locations when paired with IS200STAIS1A or IS400STAIS1A terminal boards, the IS220YAICS1A L is suitable for offshore platforms, refineries, and chemical plants. Its metal enclosure and robust design withstand corrosive atmospheres and mechanical shocks .
Flexible Terminal Board Compatibility: The module works with GE’s STAIS and TBAIS terminal boards, offering configurable signal conditioning and isolation for various sensor types. This adaptability reduces retrofitting costs in existing Mark VIe systems, supporting seamless integration with legacy equipment .
Real-Time Diagnostics: LED indicators provide instant feedback on power status, channel health, and fault conditions. Integration with Proficy™ software enables remote calibration, firmware updates, and predictive analytics, enhancing maintenance efficiency. The module’s automatic reconfiguration feature simplifies I/O rack upgrades by dynamically adjusting to new configurations without manual intervention .
Application Areas
The GE IS220YAICS1A L is essential for industries requiring precision analog control and safety compliance:
- Power Generation: Monitors turbine vibration, steam pressure, and generator cooling systems in thermal, combined-cycle, and nuclear power plants. Its SIL 2 certification ensures compliance with nuclear safety standards for reactor protection systems .
- Oil and Gas: Manages pressure and temperature in offshore wellheads, compressor stations, and subsea flowlines. The module’s hazardous location certification supports deployment in explosive environments, while its redundant design ensures continuous operation during maintenance .
- Industrial Manufacturing: Used in chemical reactors, pharmaceutical sterilization chambers, and food processing lines to control temperature and pressure. Its high accuracy and signal conditioning capabilities support quality control and process optimization .
- Marine Propulsion: Integrates with shipboard turbine control systems to monitor engine lubrication and exhaust gas temperatures. The module’s compact size and wide temperature range make it suitable for harsh marine environments .
Related Products
- GE IS200STAIS1A Terminal Board: Connects analog sensors to the IS220YAICS1A L, offering configurable signal conditioning and isolation for general-purpose applications .
- GE IS400STAIS1A Terminal Board: Supports high-voltage analog transducers, providing enhanced signal integrity for extreme industrial environments .
- GE IS220PAICH2A Redundant Power Supply: Delivers dual 24V DC power to the Mark VIe I/O rack, ensuring fail-safe operation for the IS220YAICS1A L .
- GE IS220ACIOH1A Communication Module: Enables data exchange between the IS220YAICS1A L and SCADA networks, enhancing remote monitoring capabilities .
- GE IS220PPROH1A Backup Protection Module: Provides redundant overspeed protection for turbine systems, complementing the IS220YAICS1A L in safety-critical applications .
Installation and Maintenance
Pre-installation Preparations:
- Verify the Mark VIe I/O rack is grounded and powered (28V DC).
- Align the IS220YAICS1A L with the backplane connectors, securing it with captive screws.
- Connect analog sensors to the terminal board (e.g., IS200STAIS1A), ensuring proper wiring configuration (4-20mA/±10V DC) and voltage matching (28V DC).
- Configure input/output parameters (e.g., signal type, range) via Proficy™ software, following GE’s wiring diagrams to avoid polarity errors .
Maintenance Recommendations:
- Monthly Inspections: Check LED indicators for power status and sensor faults. Clean dust from ventilation slots using compressed air to prevent overheating.
- Quarterly Testing: Use a multimeter to verify input/output voltage thresholds and signal isolation. Test redundant power failover by disconnecting one input and confirming seamless switchover .
- Annual Updates: Update firmware to the latest version to address security vulnerabilities and improve compatibility. Perform functional tests to validate analog signal accuracy, including temperature drift checks for RTD inputs .
- ESD Precautions: Handle the IS220YAICS1A L with anti-static gloves and storage boxes to prevent electrostatic discharge damage. Avoid direct contact with circuit board components .
Product Guarantee
Our company provides a 12-month quality warranty for the GE IS220YAICS1A L, covering hardware defects not caused by misuse or improper installation. During the warranty period, we offer free replacement for faulty modules and prioritize urgent orders through our extensive inventory and global logistics network. With 17 years of industry experience, we ensure reliable support for your critical turbine control needs, even for specialized components like the IS220YAICS1A L .
Note: All product names, logos, and brands are property of their respective owners. This document is informational and does not substitute for GE’s official technical manuals.
Whatsapp:+86 18859254943
E-mail :sales@ygplc.com
E-mail :sales@ygplc.com
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