Servo drive functional safety module

Products and reference designs

Servo drive functional safety module

Block diagram


Our integrated circuits and reference designs help you create a servo drive functional safety module with reliable speed and position measurement along with robust digital IO to implement various functions per IEC 61800-5-2. Our products enable performing diagnostic coverage for detecting various faults which helps increase safe failure fraction.

Design requirements

Servo drive functional safety modules often require:

  • Power supplies which can operate up to or protected against 60-Vdc input.
  • Redundant multiprotocol encoder interfaces and protected digital inputs/outputs.
  • Cross monitoring of signals and enabling single hardware fault tolerance.
  • Continuous self-diagnosis of circuits through monitoring voltage rails and temperature.

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Block diagram

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Technical documentation

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Type Title Date
White paper Understanding failure modes in isolators (Rev. B) PDF | HTML 29 Jan 2024
Application note C2000™ Hardware Built-In Self-Test (Rev. A) PDF | HTML 28 Sep 2022
E-book Ein Techniker-Leitfaden für Industrieroboter-Designs 28 Oct 2020
Functional safety information The state of functional safety in Industry 4.0 28 Jul 2022
Functional safety information Functional Safety: A tunable FMEDA for C2000™ MCUs 28 Jul 2022
Functional safety information Enabling Functional Safety Using SafeTI Diagnostic Library 28 Jul 2022
Application brief How to Improve Speed and Reliability of Isolated Digital Inputs in Motor Drives 18 Dec 2017
E-book E-book: An engineer’s guide to industrial robot designs 16 Nov 2020
More literature Decentralized servo architecture webinar 01 Mar 2021
More literature Decentralized servo architecture webinar 01 Mar 2021

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