Product Overview

IS220YDOAS1AJ serves as a discrete-output I/O pack within the GE Mark VIe control architecture, providing the field-side interface required for discrete control functions in demanding industrial environments. The YDOA architecture connects Ethernet-based control networks with compatible discrete-output terminal boards and supports relay-oriented field control. The Mark VIe platform is used across turbine and power-generation environments, while the Mark VIeS ecosystem extends the architecture into functional-safety applications for power generation and oil and gas.

Technical Specifications For IS220YDOAS1AJ

Item	Specification
Manufacturer	GE
Model	IS220YDOAS1AJ
Product Family	Mark VIe / Mark VIeS
Product Type	Discrete Output I/O Pack
I/O Function	Discrete output
Output Capacity	Up to 12 relay outputs
I/O Network	One or two I/O Ethernet networks
Ethernet Interface	Dual Ethernet connectors
Power Interface	Three-pin power input
Terminal Board Interface	DC-37 connector
ATEX Temperature Classification	T4 Gc
ATEX Ambient Range	-30°C < Ta < 65°C

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KEY FEATURE

Twelve-Relay Output Capability

The YDOA discrete-output architecture can control up to 12 relays, providing an interface between turbine-control logic and field discrete devices.

Ethernet-Based Distributed I/O

IS220YDOAS1AJ belongs to the Mark VIe I/O-pack architecture, where I/O components communicate through Ethernet rather than relying on a traditional centralized rack. The YDOA design uses one or two I/O Ethernet networks and provides dual Ethernet connectivity.

Event Monitoring for Discrete Outputs

Sequence of Events monitoring is provided for Mark VIe discrete-output modules. The capability helps maintain time-coherent event information for turbine and process control applications where output-state changes are operationally significant.

FAQ

01.What does IS220YDOAS1AJ control?

IS220YDOAS1AJ belongs to the YDOA discrete-output family and provides the interface between Mark VIe control logic and discrete field outputs through a compatible terminal board. The YDOA architecture can control up to 12 relays.

02.Why would a turbine control system use IS220YDOAS1AJ?

IS220YDOAS1AJ provides distributed discrete-output capability for control architectures where field output signals must be connected to turbine-control logic. The Mark VIe platform is designed for integrated control, protection, and monitoring of gas and steam turbine applications.

03.How does IS220YDOAS1AJ communicate with the control system?

IS220YDOAS1AJ uses the Mark VIe I/O-pack architecture with Ethernet-based I/O communication. The YDOA design provides dual Ethernet connectors and can interface with one or two I/O Ethernet networks.

04.Can IS220YDOAS1AJ drive relay outputs?

Yes. The YDOA discrete-output architecture is designed for relay-oriented output applications and can control up to 12 relays when used with an appropriate compatible terminal-board configuration.

05.What terminal-board compatibility should be checked for IS220YDOAS1AJ?

The YDOA family must be matched with the appropriate terminal-board configuration. GE material identifies TRLYS1B, TRLYS1D, TRLYS1F, and TRLYS2F configurations within the YDOA architecture. Exact compatibility should be verified against the installed Mark VIe/Mark VIeS configuration before replacement.

06.How many output channels can IS220YDOAS1AJ support?

The YDOA architecture supports up to 12 relay outputs. The actual output arrangement depends on the associated terminal-board and output configuration.

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General Electric IS220YDOAS1AJ Discrete Output I/O Pack

Product Overview

Technical Specifications For IS220YDOAS1AJ

KEY FEATURE

Recommended Part About Other Brands

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