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IS420YDOAS1B processes discrete output commands and reports pack and output health through the Mark VIeS I/O architecture.
The relay hardware is defined by the connected terminal board, so the I/O pack must not be reviewed independently from that assembly.
Procurement should preserve the terminal-board article, relay-load schedule, DC supply record, pack revision, and controller configuration.
General Electric IS420YDOAS1B Mark VIeS Discrete Output I/O Pack Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
General Electric IS420YDOAS1B Mark VIeS Discrete Output I/O Pack Specs
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The General Electric IS420YDOAS1B is a Mark VIeS discrete output I/O pack for approved relay terminal-board assemblies.
Official documentation for IS420YDOAS1B specifies 24/28 V DC control power, a Micro Mate-N-Lok DC connector, status diagnostics, and operation from -40 to +70 °C.
Before ordering IS420YDOAS1B, verify the exact relay terminal board, output circuit requirements, installed pack revision, and complete Mark VIeS hardware record.





