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General Electric IS220PDIAH1B Redundant communication
The GE IS220PDIAH1B is a 24-channel discrete input I/O module (PDIA) for the Mark VIe system, adapted for gas/steam turbine control. It acquires 24VDC switching signals from the field, featuring industrial-grade isolation and redundant communication capabilities to ensure stable interconnection between the control layer and field devices.
Core Performance: Input and Communication Capabilities
Input Channels: 24 discrete inputs, compatible with sinking/source signals, suitable for acquiring signals from limit switches, contactor contacts, etc.
Electrical Specifications: Rated 24VDC, maximum 28.6VDC, contact input maximum 32VDC, single-channel rated current 1.5A, inter-channel isolation 2500Vrms.
Communication Interface: Dual 100M full-duplex Ethernet ports, supporting IONet/Modbus TCP, redundant links ensure continuous data transmission.
Electrical and Environmental Features
Power Supply: 24VDC, overvoltage/reverse connection protection, UL certified for Class 1 Div 2 hazardous areas, operating temperature -30℃ to 65℃, vibration/shock resistant, suitable for harsh industrial conditions.
Safety and Reliability: CE and UL compliant, hot-swappable, faults do not affect other channels, suitable for continuous operation requirements of turbine control.
Management and Maintenance
Supports ControlST software configuration, real-time diagnosis of channel status and link quality, and rapid fault location.
Built-in self-test and LED status indicators, remote monitoring of input status, reducing on-site inspection costs.
Installation Features
DIN rail mounting, hot-swappable, compatible with Mark VIe racks, flexible installation, replacement without downtime.
Email: xmxblynn@163.com
Phone: +86 18059884797
Key Technical Parameters
Parameter Value
Model IS220PDIAH1B (Mark VIe 24-Channel Discrete Input Module)
Compatible Systems GE Mark VIe/VIeS Turbine Control Systems
Input Channels 24 discrete inputs, sinking/source compatible
Electrical Specifications 24VDC (maximum 28.6VDC), 1.5A per channel, 2500Vrms isolation
Communication Dual 100M Ethernet ports, IONet/Modbus TCP
Power Supply 24VDC, overvoltage/reverse connection protection
Environment Class 1 Div 2, -30℃ to 65℃, vibration/shock resistant
Mounting DIN rail type, hot-swappable, compatible with Mark VIe racks
Status In-service Mark VIe system spare parts, used for input module replacement
Typical Applications Turbine safety and condition monitoring: Acquires signals from gas/steam turbine speed switches, overspeed protection, flame detection, valve limits, etc., for Mark VIe... The controller provides safety interlocks and control logic inputs.
Auxiliary system monitoring: Used for turbine BOP (Balance of Plant), collecting operating/fault status data of auxiliary equipment such as pumps, fans, and heaters, enabling remote monitoring of auxiliary equipment.
Distributed I/O acquisition: Connects field sensors, actuators, and control stations to achieve distributed switching data acquisition, suitable for large-scale industrial scenarios.
Spare parts replacement and system maintenance: Compatible with existing Mark VIe systems, used for replacing faulty input modules, ensuring signal acquisition accuracy and reducing turbine downtime risks.
Email: xmxblynn@163.com
Phone: +86 18059884797
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