Original GE IS220PDOAH1A discrete output pack for Mark VIe turbine system, relay‑based field device control spare part.

Product Overview

IS220PDOAH1A is PDOAH discrete output I/O pack for GE Mark VIe Speedtronic turbine control system. It receives control commands from main controller via dual‑port Ethernet, drives relay output to control solenoids, valves and alarm devices. It has built‑in local processor, supports TMR triple‑redundant architecture, connects to matched terminal boards. Conformal‑coated PCB, vibration‑resistant and anti‑interference, widely used in power‑plant turbine control cabinets.

Key Features

• Dedicated discrete output I/O pack for Mark VIe turbine control system
• Dual redundant Ethernet ports for IONet communication
• Built‑in local processor for high‑speed output processing
• Supports simplex and TMR triple‑redundant system architecture
• Realizes relay‑based control for external field equipment
• Conformal‑coated PCB, good anti‑vibration and EMC performance

• Standard Mark VIe rack plug‑in design, supports hot‑swap

• 
  

Technical Specifications

• Brand: GE
• Model: IS220PDOAH1A
• Module Type: Discrete Output I/O Pack (PDOAH)
• System Platform: Mark VIe Speedtronic Turbine Control System
• Function: Digital relay output, field device control
• Power Supply: 28V DC
• Operating Temp: ‑40℃ ~ +85℃
• Storage Temp: ‑40℃ ~ +85℃
• Humidity: 5‑95% non‑condensing

• Installation: Plug‑in inside Mark VIe control rack

• 
  

Compatibility

Compatible with GE Mark VIe Speedtronic turbine control system. After replacement, check wiring, test digital output loop and verify Ethernet communication.