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General Electric IS221PDOAH1B Non-safe discrete output module
The GE IS221PDOAH1B is a Mark VIe non-safety discrete output module (PDOA) adapted to turbine distributed control architectures, providing 24 discrete outputs and redundant communication to ensure stable output and real-time control of switch signals in industrial environments.
Core Performance
I/O and Electrical Capabilities
Discrete Outputs: 24-channel 24VDC wet contact outputs, compatible with contactors, solenoid valves, and other actuators; single-channel rated current 2A; supports fail-safe mode output.
Isolation and Certification: 2500Vrms isolation between channels; UL/CE certified; suitable for Class 1 Div 2 hazardous areas; vibration/shock resistant; fault propagation prevents faults from spreading.
Diagnostic Functions: LED status indication for each channel; supports ControlST real-time diagnostics of channel status and link quality for rapid output fault location.
Communication and Electrical
Communication Interfaces: Dual 100M full-duplex Ethernet ports; supports IONet/Modbus TCP redundant links; compatible with Mark VIe distributed I/O architectures. Power Supply: 22.5-28.6VDC, overvoltage/reverse connection protection, operating temperature -30℃ to 65℃, suitable for harsh industrial environments.
Management and Maintenance: Supports hot-swapping; failure does not affect other channels, suitable for continuous operation requirements of turbine control.
Compatible Terminal Blocks: IS200TRLYH1E/1B/1C/1D/1F, etc., connected via DC-37 pin connectors, offering flexible installation.
Email: xmxblynn@163.com
Phone: +86 18059884797
Key Technical Parameters
Parameter Value
Model IS221PDOAH1B (Mark VIe Discrete Output Module)
Compatible System GE Mark VIe Control System
Output Channels 24-channel 24VDC wet contact output
Electrical Specifications 24VDC, 2A per channel, 2500Vrms inter-channel isolation
Communication Dual 100M Ethernet ports, IONet/Modbus TCP
Power Supply 22.5-28.6VDC, overvoltage/reverse connection protection
Environment Class 1 Div 2, -30℃ to 65℃, vibration/shock resistant
Mounting DIN rail, hot-swappable, DC-37 pin connector
Status In-service Mark VIe system spare part, used for replacing discrete output modules
Typical Applications Turbine control output: Adapted to gas/steam turbine Mark VIe systems, outputting valve control, equipment start/stop commands, driving actuators, and ensuring stable turbine operation.
Process Control Execution: Used for actuator control in industrial process control, suitable for power plants, petrochemical plants, and other industrial scenarios.
Equipment Control Drive: Outputs control signals for equipment such as motors, pumps, and fans, providing control support for equipment operation and shutdown due to faults.
Spare Parts Replacement and Maintenance: Compatible with existing Mark VIe systems, used for replacing faulty discrete output modules to ensure continuity of control functions.
Email: xmxblynn@163.com
Phone: +86 18059884797
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