Overview

The ABB DSTC406 passive terminating unit is an essential component for ABB Symphony Plus and INFI 90 distributed control systems (DCS). It provides proper bus termination, preventing signal reflection and ensuring reliable data transmission across communication networks. Moreover, its rugged design and factory testing guarantee long-term stability in demanding industrial environments. In addition, the compact form factor allows straightforward installation in control cabinets and rack systems.

Widely used in process automation, energy, and heavy industry, the DSTC406 reflects ABB’s expertise in robust and dependable control system hardware.

Technical Data

Typical Applications

Process Automation Systems

Ensures stable communication in ABB Symphony Plus and INFI 90 networks.

Energy and Utilities

Applied in power generation and distribution systems to maintain reliable control.

Petrochemical & Refining

Supports automation networks operating in hazardous and high-demand environments.

Industrial Manufacturing

Used in steel, pulp & paper, and automotive industries to maintain process reliability.

Critical Infrastructure

Provides termination for redundant communication buses in mission-critical facilities.

Example:
In refinery control systems, the ABB DSTC406 ensures error-free communication between controllers and I/O subsystems, reducing downtime and enhancing operational safety.

FAQ

Q1: What is the primary function of ABB DSTC406?
A1: It provides passive bus termination to prevent signal reflection and ensure reliable communication.

Q2: Which systems is it compatible with?
A2: ABB Symphony Plus and INFI 90 distributed control systems.

Q3: Can it operate in harsh environments?
A3: Yes, it supports an operating temperature range of –40°C to +70°C.

Q4: What industries typically use this unit?
A4: Energy, petrochemical, manufacturing, and critical infrastructure sectors.

Q5: What is the warranty period?
A5: ABB provides a 12-month warranty for the DSTC406.