Original GE IS220YAICS1A Rev L safety analog I/O pack for Mark VIeS turbine system, SIL‑rated signal acquisition spare part.

Product Overview

IS220YAICS1A Rev L is YAIC safety‑grade analog I/O pack for GE Mark VIeS Speedtronic turbine control system, Rev L is hardware revision code. It collects critical analog field signals including pressure, temperature and vibration, completes signal conditioning and digitization, meets SIL2/3 safety integrity requirements for turbine safety protection and emergency shutdown logic. It adopts dual‑port Ethernet for IONet communication, matches dedicated safety terminal boards, conformal‑coated PCB, anti‑vibration and anti‑interference, widely used in power‑plant turbine control cabinets.

Key Features

• Safety‑rated analog I/O pack for Mark VIeS turbine control system
• SIL 2/3 safety certification for critical turbine protection applications
• Dual‑port redundant Ethernet for IONet communication
• High‑precision analog signal acquisition and local diagnostic function
• Compatible with dedicated safety terminal boards
• Conformal‑coated PCB, good anti‑vibration and EMC performance

• Box‑type design for cabinet mounting, supports hot‑swap

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Technical Specifications

• Brand: GE
• Model: IS220YAICS1A, Rev L
• Module Type: Safety Analog I/O Pack (YAIC)
• System Platform: Mark VIeS Speedtronic Turbine Control System
• Safety Level: SIL 2/3
• Power Supply: 24‑28V DC
• Operating Temp: ‑40℃ ~ +70℃
• Storage Temp: ‑40℃ ~ +85℃
• Humidity: 5‑95% non‑condensing

• Installation: Mount inside Mark VIeS control rack

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Compatibility

Compatible with GE Mark VIeS Speedtronic turbine control system, matches IS200STAIS1A series terminal boards. After replacement, check wiring, test analog signal loop and verify safety diagnostic function.