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GE IS220PHRAH1A｜Advanced Turbine Control Module｜
Channel Configuration
Analog inputs: 10 AI channels
Signal types: 4–20 mA / 0–20 mA
Analog outputs: 2 AO channels
Signal type: 0–20 mA
HART support:
All AI/AO channels support HART communication
Compatible with HART 5 and HART 7 protocols
HART Communication Functionality
The integrated HART interface can be configured via ToolboxST, enabling:
Remote instrument configuration and calibration
Online diagnostics and status monitoringGE VMIVME-7807RC｜VME Single Board Computer｜
Access to secondary variables and device parameters
This allows intelligent field device management without interrupting analog signal transmission.
Communication Interfaces
Ethernet: 2 × 100 Mbps Ethernet ports
Network type: IONet redundant communication
Controller compatibility: Fully compatible with GE Mark VIe controllers
Power Supply
Input voltage: 24 V DC (±10%)
Power consumption: ≤ 10 W
Redundancy: Supports redundant power supply inputs
Applications
Analog Signal Acquisition and Control
The module centralizes the acquisition of field analog signals such as temperature, pressure, and flow.
Analog output channels are used to drive control valves, actuators, and other final control elements, supporting key control loops including:
Turbine speed regulation
Combustion controlGE VMIVME-7750-734001｜ VME Bus Single Board Computer｜
Process parameter stabilization in gas and steam turbine systems
HART Intelligent Instrument Communication
Through HART digital communication, the system enables:
Remote reading of device status and diagnostics
Fault detection (e.g. sensor drift, wiring faults)
Reduced on-site maintenance effort and faster troubleshooting
This significantly improves operation and maintenance efficiency.
Redundant High Availability
When used together with the IS420UCSC controller and IONet redundant network, the module supports signal path redundancy, ensuring uninterrupted transmission of critical analog data.
This architecture meets the high availability and reliability requirements of modern power generation and industrial control systems.
GE IS220PHRAH1A｜Advanced Turbine Control Module｜
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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