ABB SC520 3BSE003816R1 | Advant Master MB300 Submodule Carrier With Local CPU – Legacy DCS Field Service Logs

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Component Snapshot At-a-Glance

Model: SC520
Alt. P/N: 3BSE003816R1; successor variant SC520M for upgraded Advant racks
Product Series: ABB Advant Master AC400 DCS Platform (MB300 / MB300E backplane)
Hardware Type: Rack-mounted submodule carrier with integrated local processing CPU
Key Feature: Dual expansion slots for plug-in communication/I/O submodules, onboard 5V power regulation for daughtercards
Primary Field Use: Expand Advant Master controller functionality by hosting fieldbus, analog and digital submodules on legacy MB300 rack backplanes for boiler, refinery and water process control.