The ABB DSBC173 57310001-KH, also cataloged as the DSBC173 Bus Extender Module, operates as a dedicated hardware component for extending S100 I/O bus communication through slave bus repeater functions within ABB Advant control system architectures.

Model Identification

The DSBC173 module is identified as an S100 I/O bus extender with a PC board design and bus repeater slave function. The module provides electrical signal extension between S100 I/O bus segments and includes 7 LED indicators for local hardware status monitoring.

Hardware Specifications

ABB Industrial Control Communication Features

The DSBC173 is designed for ABB industrial control platforms requiring S100 I/O bus segment extension. The module operates as a communication repeater slave, maintaining bus signal transmission between connected I/O sections.

For ABB control architectures, bus communication performance depends on the configured controller hardware, I/O topology, and installed communication modules. The DSBC173 does not provide application-level processing and functions as a dedicated hardware interface component.

The module belongs to the ABB industrial control hardware family where I/O density scaling and deterministic bus communication are managed through the system architecture. Proper module addressing, bus termination, and compatible firmware versions are required for system integration.

Ordering Information

• 1 x ABB DSBC173 57310001-KH Bus Extender Module
• Included hardware: DSBC173 PC board module with integrated LED indicators
• Additional accessories, mounting hardware, cables, and documentation are not included unless specified separately

Installation Guidelines

Module Mounting

• Install the module according to the ABB S100 I/O system hardware configuration requirements.
• Verify that the module position matches the approved system layout before power application.
• Ensure the mounting surface provides mechanical support and prevents PCB stress.

Bus Connection

• Check S100 I/O bus wiring polarity and connector orientation before installation.
• Keep communication wiring separated from high-voltage power cables to reduce electrical interference.
• Verify bus termination components according to the installed network structure.

Electrical Handling

• Disconnect system power before inserting or removing the module.
• Use appropriate ESD protection when handling the PC board.
• Confirm all LED status indications after system startup.

Technical Questions

• What is the primary function of the ABB DSBC173 module?

The DSBC173 functions as an S100 I/O bus extender and slave bus repeater for ABB control system communication expansion.

• Does the DSBC173 perform control logic processing?

No. The module operates as a communication hardware component and does not execute application control programs.

• What communication system does DSBC173 support?

The DSBC173 is designed for ABB S100 I/O bus communication networks.

• How many status indicators are available on the module?

The DSBC173 provides 7 LED indicators for local hardware status observation.

• Can the module be installed under energized conditions?

Hot insertion capability is not specified. Power should be removed before module installation or removal.

• What should be checked before replacing an existing DSBC173?

Verify the model number, spare number, rack position, bus connection, and system configuration compatibility.

• Does DSBC173 require external communication converters?

No external converter information is specified. The module is directly associated with ABB S100 I/O bus systems.

• What installation factors affect bus communication performance?

Correct wiring, grounding, termination, module placement, and system configuration affect communication stability.