Product Overview​

The GE IS220PDOAH1A​is a high-performance digital output module designed for the Mark VIe turbine control system,providing reliable discrete output control for critical industrial applications.This advanced output board serves as a crucial interface between the control processor and field actuation devices,delivering precise on/off control signals to valves,motor starters,and other industrial equipment.The IS220PDOAH1A​features robust output circuitry with advanced protection features,making it ideal for gas and steam turbine control systems where output reliability directly impacts operational safety and efficiency.As an integral component of GE’s Mark VIe control platform,this digital output module ensures dependable operation in demanding power generation environments,withstanding the electrical noise and temperature variations typical of turbine control applications.

Engineered for maximum reliability in critical control applications,the GE IS220PDOAH1A​incorporates advanced output technology that maintains stable operation under varying load conditions.The module’s design focuses on providing fail-safe operation for critical control functions while offering flexible configuration options for various application requirements.The IS220PDOAH1A​demonstrates exceptional performance in safety-critical applications,handling vital control functions with precision and reliability.Its modular architecture allows for straightforward maintenance and replacement,while the industrial-grade construction ensures long-term reliability in continuous operation scenarios.The digital output module’s compatibility with the broader Mark VIe system architecture makes it an essential component in modern turbine control solutions,enabling optimal system performance and integration across diverse operational requirements.

Technical Specifications​

Parameter Name

Parameter Value

Product Model

IS220PDOAH1A​

Manufacturer

GE Energy

Product Type

Digital Output Module

Compatible System

Mark VIe Turbine Control

Output Channels

16 points isolated outputs

Output Type

Sourcing(24V DC)

Output Current

2A per point maximum

Output Voltage

24V DC(19.2-30V DC)

Leakage Current

<1mA 30V DC

Response Time

<1ms turn-on,<2ms turn-off

Isolation Voltage

1500V AC channel-to-backplane

Power Supply

Backplane 5V DC

Power Consumption

8W typical

Operating Temperature

-40°C to+70°C

Storage Temperature

-55°C to+85°C

Short-circuit Protection

Electronic current limiting

Status Indicators

Per-channel LED status

Connection Type

Removable terminal block

Fault Detection

Open circuit,short circuit

Certifications

UL,CSA,CE,cULus

Main Features and Advantages​

Output reliability:The GE IS220PDOAH1A​utilizes high-capacity output drivers with electronic current limiting that provides protection against short circuits and overload conditions.The module’s advanced heat dissipation design ensures stable operation at maximum load current,while the low leakage current prevents false activation of connected devices.The IS220PDOAH1A’s fast response time ensures precise timing control for critical sequences,with turn-on and turn-off times optimized for industrial control applications.

Protection and diagnostics:Comprehensive fault detection circuitry monitors each output channel for open circuit and short circuit conditions,providing immediate feedback to the control system.The IS220PDOAH1A’s electronic current limiting protects outputs during fault conditions without requiring fuse replacement,while the thermal shutdown feature prevents damage from excessive power dissipation.Per-channel LED indicators provide instant visual status of output operation,facilitating quick troubleshooting and maintenance.

System integration:Seamless compatibility with Mark VIe control processors enables tight integration with turbine control algorithms.The IS220PDOAH1A​supports hot-swap replacement in redundant configurations,maintaining system availability during maintenance operations.The module’s removable terminal block design simplifies wiring and reduces maintenance time,while the comprehensive diagnostic capabilities enable predictive maintenance strategies.

The GE IS220PDOAH1A​digital output module delivers reliable control for critical industrial applications.With its robust construction and advanced protection features,it ensures safe operation in demanding environments while providing the flexibility needed for various control system configurations.

Application Field​

The GE IS220PDOAH1A​finds extensive application in power generation facilities where reliable digital output control is critical for system operation and safety.In gas turbine control systems,the output module operates critical devices including fuel valves,ignition systems,and purge damper actuators,ensuring precise control during startup and load operations.The IS220PDOAH1A’s high reliability makes it suitable for safety-related functions where output failure could lead to equipment damage or operational disruptions.In steam turbine applications,the module controls lube oil pumps,hydraulic units,and cooling system components,with its robust design withstanding the vibration and temperature extremes typical of turbine environments.

Industrial automation applications benefit from the IS220PDOAH1A’s versatility and reliability.In compressor control systems,the digital output module operates anti-surge valves and recycle valves,preventing compressor damage during transient conditions.The module’s fast response time ensures rapid valve operation during emergency shutdowns,while its diagnostic capabilities provide early warning of potential issues.In material handling systems,the IS220PDOAH1A​controls conveyor motors and sorting mechanisms,with its high current capacity enabling direct operation of contactors and starters without intermediate relays.

Related Products​

IS220 series​|Other Mark VIe I/O modules

IS220PDIAH1A​|Digital input module

IS220PAICH1A​|Analog input module

Mark VIe controller​|System control processors

Termination boards​|Wiring interface accessories

Power supplies​|System power components

Installation and Maintenance​

Pre-installation preparation:Before installing the IS220PDOAH1A,verify compatibility with existing Mark VIe system components and review load requirements.Ensure proper wire sizing and protection for output circuits.Have configuration software and documentation ready for module setup and testing.

Maintenance recommendations:Perform regular verification of output operation and monitor diagnostic status through system software.Keep terminal connections clean and properly torqued to maintain connection integrity.For critical applications,maintain spare modules configured for rapid replacement to minimize system downtime.

Product Guarantee​

We guarantee that every GE IS220PDOAH1A​digital output module is a genuine GE Energy product manufactured to the highest industry standards.Our technical support team provides comprehensive assistance with configuration,integration,and troubleshooting.All modules undergo rigorous testing to verify they meet original performance specifications for reliable operation in critical industrial applications.We stand behind our products with full technical support and commitment to customer satisfaction.

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