GE IS220PDOAH1AJ Discrete Output Pack The GE IS220PDOAH1AJ serves as the primary IS220PDOAH1 Discrete Output Pack utilized to execute isolated relay switching and actuator...
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GE IS220PDOAH1AJ Discrete Output Pack
The GE IS220PDOAH1AJ serves as the primary IS220PDOAH1 Discrete Output Pack utilized to execute isolated relay switching and actuator control functions across GE Mark VIe Speedtronic turbine control system platforms. The module provides 12 relay output channels, redundant Ethernet communication, and isolated field signal execution.
Hardware Specifications
Parameter
Specification
Model
IS220PDOAH1AJ
Brand
GE
Origin
United States
Weight
0.45 kg
Dimensions
133 x 38 x 83 mm
Operating Temp
-40 deg C to +70 deg C
Power Consumption
Approximately 4-8 W
Series
Mark VIe Speedtronic Turbine Control System
Hardware Type
Discrete Output Pack (PDOA)
Relay Outputs
12 Form C relay outputs
Relay Rating
3 A @ 250 VAC / 30 VDC
Isolation
1500-2500 V RMS channel-to-channel and channel-to-ground
GE Mark VIe Ethernet I/O and Output Switching Characteristics
The IS220PDOAH1AJ integrates GE Mark VIe I/O architecture with deterministic output processing and redundant Ethernet communication through IONet interfaces. The module executes discrete command signals from the controller and transfers them to isolated relay output circuits for field actuator operation.
The PDOA module supports industrial control network configurations using deterministic Ethernet communication and I/O density scaling within Mark VIe systems. The isolated relay channels provide electrical separation between logic processing circuits and external field loads.
The module supports simplex, dual, and triple modular redundancy (TMR) configurations when combined with compatible GE terminal boards. Firmware flash compatibility and controller configuration matching are required for system integration.
Frequently Asked Questions
Q: How many relay output channels are available on the IS220PDOAH1AJ? A: The module provides 12 Form C relay output channels for discrete actuator and control circuit switching.
Q: What communication interface is used by the PDOA module? A: The IS220PDOAH1AJ uses dual redundant 100 Mbps Ethernet IONet communication for Mark VIe system data exchange.
Q: Can the IS220PDOAH1AJ be installed in a redundant control configuration? A: The module supports simplex, dual, and TMR configurations when integrated with compatible Mark VIe terminal board assemblies.
Field Installation Guidelines
Install the IS220PDOAH1AJ according to GE Mark VIe cabinet and I/O network configuration documentation. Verify the mounting position, power wiring, and Ethernet connections before applying system power.
Connect relay output wiring according to the terminal board wiring diagram. Separate relay output cables from sensitive analog signal wiring and communication cables where required to reduce electromagnetic interference.
Use proper grounding methods for cabinet assemblies and verify shield termination practices for Ethernet and field wiring. Confirm the 28 VDC nominal supply polarity before module startup.
The module supports hot-swappable installation procedures within compatible Mark VIe configurations. Follow system maintenance procedures to prevent unintended relay state changes during replacement.
