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IS420YDOAS1B is a GE discrete output module used within the GE Speedtronic turbine-control architecture. It provides the specified discrete output module function while retaining the complete order code, hardware execution and receiving-system compatibility during replacement. Its documented category series is Mark VIe Speedtronic.
Verify that the supplied item is marked IS420YDOAS1B and that its discrete output module form, connectors and revision agree with the approved GE Mark VIe receiving record.
For IS420YDOAS1B, state the required condition, quantity, installed position, connected assemblies and document requirements in the written enquiry.
Apply only parameters supported by the exact IS420YDOAS1B record or a documented family source. Do not infer electrical ratings or interchangeability from appearance.
IS420YDOAS1B technical scope: Product Type: Discrete Output I/O Pack; Category Series: Mark VIe Speedtronic; Technology: Surface-Mount; Relay and Coil Monitoring: 12 Relay/Coil Monitors; Ambient Temperature Range: -40 to 158 °F.
Use these values only for the listed hardware execution and verify the supplied label before installation.
Match IS420YDOAS1B to the approved GE Mark VIe receiving position, connector or terminal arrangement and configuration record.
After power restoration, review diagnostics and test the affected discrete output module path.
Active / Available from OEM
IS420YDOAS1B is a General Electric discrete output module associated with the GE Mark VIe platform. It interfaces the documented field signals with the control system through the assigned channels, terminals and installed I/O position. Correct selection depends on the complete model code, connector or terminal arrangement, hardware revision and receiving-system configuration. Before replacement, compare the original product label, installed slot or cabinet reference, connected assemblies and approved project records. After installation, review system diagnostics and function-test every affected channel, control path, protection function or communication link before returning the equipment to service.