ABB DSBC 173A 3BSE005883R1 Bus Extender

The ABB DSBC 173A (Part Number: 3BSE005883R1) is a bus extender module designed for use within ABB’s Advant Master and Symphony DCS systems. Its primary role is to extend the communication bus between controller units and remote I/O modules across different racks or system cabinets. This module ensures signal integrity and proper bus synchronization across distances, maintaining performance in distributed control environments.

By extending the bus line, the DSBC 173A allows engineers to design flexible and scalable system layouts, without compromising on timing, signal fidelity, or system reliability. It serves as a critical backbone component in modular and decentralized system architectures.

Product Specifications

Applications

The DSBC 173A is utilized in distributed control system (DCS) architectures where multiple controllers, I/O racks, or system components are located at different physical points. It ensures seamless communication over the backplane or extended bus lines.

• Power Plants: Linking turbine controllers and I/O across distributed enclosures

• Chemical Plants: Connecting local and remote control stations within process areas

• Oil & Gas Platforms: Bridging system modules across explosion-proof zones

• Water and Wastewater Facilities: Extending control signals to pump stations and treatment areas

• Large Industrial Campuses: Supporting long-distance layout of system control panels

• Steel and Metallurgy: Connecting high-temperature and low-voltage control zones

Product Advantages

• Reliable Signal Extension: Maintains communication integrity between distributed racks or cabinets.

• Flexible System Architecture: Enables modular designs without sacrificing performance or reliability.

• Compact Form Factor: Slim and lightweight, fits within standard control system chassis.

• Diagnostic LEDs: Provides immediate visual feedback on communication status.

• Low Power Consumption: Draws power directly from the system backplane, minimizing wiring.

• High Compatibility: Integrates easily with ABB’s Advant, Symphony, and 800xA platforms.

• Field-Proven Durability: Engineered for long-term use in industrial environments with wide temperature ranges.

• Simple Installation: Plug-in rack module form allows quick integration and replacement.

Frequently Asked Questions (FAQ)

1. What is the primary function of the DSBC 173A?

It extends the system communication bus across different racks or cabinets in a control system.

2. Which ABB systems support this module?

It is compatible with ABB’s Advant Master, Symphony, and AC 800M platforms.

3. Does it require a separate power supply?

No, it receives power directly from the system backplane (typically 5 VDC).

4. How far can the bus extension reach?

It supports several meters of distance between system modules, depending on installation and wiring standards.

5. Can the DSBC 173A be hot-swapped?

No, bus extender modules should be handled with the system powered down to prevent communication faults.

6. What indicators does it have?

It includes onboard LEDs for communication status and error detection.

7. Is this module programmable?

No, it operates as a passive communication extender and does not require programming.

8. What are the mechanical mounting requirements?

It is mounted into a standard control rack or chassis via its card edge connector.

9. Can it be used in redundant systems?

Yes, it supports use in redundant architectures for high availability systems.

10. What is the typical weight and size?

The DSBC 173A weighs 0.32 kg and measures 324 x 22.5 x 234 mm.