SC520 3BSE003816R1 ABB Submodule Carrier Incl Control Card

The ABB SC520 (3BSE003816R1) is a high-performance submodule carrier featuring an integrated local CPU. Designed primarily for distributed control system (DCS) platforms—such as ABB Advant OCS, the S100 I/O system, AC 800M, and AC 800F—it provides a mounting and connectivity platform for various I/O submodules used in industrial applications.

It serves not only as a physical carrier that provides mechanical mounting and electrical connections for submodules (such as the MB300/MB300E) but also utilizes its built-in local CPU to perform rapid data processing and preliminary control at the submodule level. This significantly reduces the load on the main controller and enhances the real-time performance of the entire DCS system.

A distributed offshore oil platform deployed the SC520 as the core unit for remote nodes, utilizing its integrated local CPU to execute pre-programmed logic, handle complex data preprocessing (such as calibration and filtering), and manage time-sensitive local interlocks independently of the central DCS controller.

This deployment significantly reduced the load on the main controller, enabled autonomous control at the remote nodes, and enhanced system response speed and reliability.

What is the power consumption of the SC520?
The total power consumption of the SC520 is 0.8W (current is 1.5A at 5V, and 0.006A at 24V).

How can I verify that the SC520 is operating correctly?
You can verify the carrier's operating status by checking the LED status indicators on the rack and reading the module scan list. The LED indicators display the status of the power supply, communication, and CPU.

What is the operating temperature range of the SC520?
The operating temperature range of the SC520 is -20°C to +60°C. The storage temperature range is -40°C to +85°C.