ABB SC520 Submodule Carrier with CPU 3BSE003816R1

ABB SC520 Submodule Carrier with Local CPU

The SC520 is an intelligent I/O carrier module for the ABB AC 460 and AC 800F control systems. Unlike basic carriers, it incorporates a local CPU to manage connected submodules, offloading processing from the main controller.

Core Product Information

• Brand: ABB
• Product ID / Article Number: 3BSE003816R1
• ABB Type Designation: SC520
• Catalog Description: SC520 Submodule Carrier incl. local CPU
• Product Type: Intelligent Communication / I/O Carrier Module
• Local CPU Support: Yes (for MB300, MB300E memory boards)
• Marine Variant: SC520M (Coated, 3BSE016237R1)

Electrical Specifications

• Current Consumption (from backplane):
  • 5 Volts: 1.5 A
  • 24 Volts: 0.006 A
• Total Power Dissipation: 0.8 W
• Cooling Load: Approximately 2.7 BTU/H

Physical Specifications

• Product Net Dimensions (L x H x W): 291 mm x 300 mm x 30 mm
• Product Net Weight: 0.742 kg
• HS Code: 853890
• Customs Tariff Number: 85389091
• Number of Batteries: 0

Compliance & Environmental

• RoHS Status: Compliant with EU Directive 2011/65/EU
• WEEE Category: 5 (Small Equipment - No external dimension > 50 cm)
• SCIP (Sweden): 5b776851-d19c-4e53-a7f4-f02baf230861

Key Features & Diagnostics

• Integrates a local CPU, enabling autonomous management of connected I/O submodules.
• Designed to support MB300 and MB300E memory boards for extended application logic.
• Offers detailed error diagnostics accessible via system software:
  • Error Code 01: Failed to initialize
  • Error Code 03: Board has halted
  • Error Code 04: Board missing or not accessible
• Functions as a critical link between the controller's main bus and various I/O networks (e.g., S800 I/O via personality modules).
• The marine-classified version (SC520M) features a protective coating for harsh environments.

Installation & Application

• Installs into a subrack slot within an AC 460 or AC 800F controller chassis.
• Requires configuration in the system engineering tool (e.g., Control Builder) to define its role and connected submodules.
• The local CPU allows for pre-processing of I/O data, reducing the load on the main controller and improving system performance.
• Ensure the backplane power supply can provide the required 5V @ 1.5A.
• When used with an MB300 memory board, it can execute complex control algorithms locally.

For the marine variant or to order the ABB SC520 (3BSE003816R1), contact our sales team.

Contact: Email sales@nex-auto.com or WhatsApp +86 153 9242 9628.

Partner: NexAuto Technology Limited

© 2026 AutoNex Controls Limited. All rights reserved.