Description
GE IS220YAICS1A – Safety Analog Input Module
GE IS220YAICS1A is a safety-certified analog input pack designed for GE’s Mark VIeS functional safety systems in turbine control applications. This module converts 4-20 mA and 0-10 V DC signals from field sensors into digital data with 16-bit resolution, providing SIL 2 integrity for critical process variables like pressure, temperature, and vibration. It addresses safety instrumented system (SIS) requirements by offering isolated channels, deterministic Ethernet communication, and built-in diagnostics for open-loop detection and out-of-range conditions. The GE IS220YAICS1A interfaces with terminal boards like IS200STAIS1A, enabling reliable data acquisition in hazardous environments for emergency shutdown logic.
Technical Specifications
- Brand: GE
- Model: IS220YAICS1A
- Warranty: One Year
- Condition: 100% New & Original
- Series: Mark VIeS Safety
- Channels: 8 isolated analog inputs
- Input Types: 4-20 mA, 0-10 V DC
- Resolution: 16-bit
- Accuracy: ±0.1% full scale
- Power Supply: 27.4-28.6 VDC
- Operating Temp: -20°C to +60°C
- Safety Rating: SIL 2
- Communication: Mark VIe I/O Network (Ethernet)
Key Features & Benefits
- Safety-Certified Processing: SIL 2-rated analog-to-digital conversion with channel isolation ensures fault-tolerant data delivery to safety controllers.
- Signal Conditioning: Built-in amplification and filtering reject noise, maintaining measurement integrity from remote transducers in turbine housings.
- Diagnostic Coverage: Monitors loop integrity and range limits, providing Ethernet-transmitted alerts for predictive maintenance in SIS loops.
Application Scenarios
- Gas Turbine Safety: Acquires flame temperature and fuel pressure signals for combustion protection in Mark VIeS systems.
- Steam Turbine Monitoring: Tracks differential pressure and vibration inputs for overspeed trip logic in power plants.
- Compressor Protection: Interfaces hazardous area sensors for shutdown functions in oil & gas processing.
Frequently Asked Questions (FAQ)
- Q: What is the primary function of the GE IS220YAICS1A?
- A: It digitizes safety-critical analog signals for Mark VIeS controllers, supporting SIL 2 emergency functions via isolated inputs.
- Q: Is GE IS220YAICS1A compatible with legacy systems?
- A: Yes, it connects to standard STAIS terminal boards and Ethernet IONet, integrating with GE Mark VI platforms





