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IS220PAOCH1A GE Mark VIe Analog Output Module
Product Overview
The IS220PAOCH1A is an analog output I/O pack designed by GE for the Mark VIe turbine control system. It converts digital control signals into analog current outputs to drive field actuators, control valves and transmitters in power generation, oil & gas and heavy industrial process control systems. It connects to the IONET redundant bus via dual RJ45 ports, supporting hot swap and fault tolerant operation for critical turbine safety control loops.
Key Features
- Model: IS220PAOCH1A, GE Mark VIe Series I/O Module
- 8-channel single-ended analog output, supports 0–20 mA current loop
- Dual IONET Ethernet ports for redundant network communication
- DC37 connector for wiring to terminal boards
- Built-in current feedback circuit for output monitoring
- Rugged aluminum housing, suitable for control cabinet installation
- Supports simplex and TMR triple redundant Mark VIe configurations
- Wide operating temperature range for harsh plant environments
Technical Specifications
- Part Number: IS220PAOCH1A
- Manufacturer: GE
- Product Type: Analog Output I/O Pack
- Compatible System: Mark VIe Turbine Control System
- Output: 8 channels, 0–20mA analog current output
- Communication: Dual RJ45 IONET redundant bus
- Connector: DC-37 pin
- Application: Gas turbine, steam turbine, power plant DCS control
- Mounting: VME rack mount
Applications
The IS220PAOCH1A is widely used in critical industrial control projects:
- Power plant gas turbine & steam turbine control
- Oil and gas compressor and burner control
- Petrochemical process control systems
- Heavy industry safety interlock and valve regulation
- Mark VIe system spare part replacement, retrofit and upgrade projects
FAQ
Q1: What system does IS220PAOCH1A work with?
A: IS220PAOCH1A is designed exclusively for the GE Mark VIe turbine control platform. It cannot be used standalone without Mark VIe main controllers and IONET network.
Q2: What does IS220PAOCH1A control?
A: It outputs analog current signals to modulate control valves, actuators and field transmitters for turbine fuel, steam and airflow regulation.
Q3: Do you supply new or surplus IS220PAOCH1A?
A: We provide tested surplus / refurbished IS220PAOCH1A in stock. All modules will undergo full functional testing before shipment. Contact us for availability and lead time.
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