ABB TB815 3BSE013204R1 Interconnection Unit

Product Overview

The TB815 (3BSE013204R1) is a specialized interconnection hub for the ABB Advant Master system, providing critical physical and electrical links for Modulebus communication. It ships as a complete kit including a TB807 terminator to ensure signal stability and prevent bus reflections. This unit is the primary interface for distributed I/O clusters, maintaining high-speed data integrity between S800 I/O modules and Advant controllers in high-demand process environments.

Technical Specifications

• Manufacturer ABB

• Series Advant Master / S800 I/O

• Model Designation TB815

• Order Number 3BSE013204R1

• Included Hardware 1x TB815 Base, 1x TB807 Modulebus Terminator

• Functional Category Interconnection and Termination Unit

• RoHS Compliance Exempt (per Directive 2011/65/EU, Article 2(4))

• HS Code 85389091 (Parts for electrical apparatus)

• Physical Profile (W x H x D) 50 mm x 250 mm x 90 mm

• Net Weight 0.25 kg

• Environment Industrial-grade shielded housing

Engineering Insights and Operational Logic

In the architecture of an Advant Master Process Control System, the TB815 (3BSE013204R1) acts as the foundational coupling point for the local Modulebus. It bridges the communication path from the controller to the first cluster of I/O modules. The included TB807 terminator is a non-negotiable component that must be installed at the electrical end of the bus string. By providing correct impedance matching, it absorbs the electromagnetic energy of the high-speed data signals, preventing "signal bounce" that otherwise causes intermittent I/O timeouts or "Modulebus Fail" diagnostic errors. This kit is specifically optimized for legacy system maintenance and expansion, ensuring hardware compatibility with existing AC 400 series controller infrastructure.