Introduction; Version History; Purpose Of This Operating Guide; Additional Resources - Danfoss iC7 Series Operating Manual

iC7 Series Functional Safety
Operating Guide

1 Introduction

1.1 Version History

This guide is regularly reviewed and updated. All suggestions for improvement are welcome.
The original language of this guide is English.
Table 1: Version History
Version
AQ319741840653, version 0201
AQ319741840653, version 0102

1.2 Purpose of this Operating Guide

This operating guide provides information on the functional safety features of the iC7 drives and is targeted at users already familiar
with the Danfoss iC7 series. It is intended as a supplement to the drive-specific guides.
The guide includes instructions on how to verify that the built-in functional safety features are active, and about configuring the
safety features.

1.3 Additional Resources

Additional resources are available to help understand the features, and safely install and operate the iC7 products:
• Safety guides, which provide important safety information related to installing iC7 drives.
• Installation guides, which cover the mechanical and electrical installation of drives, or functional extension options.
• Design guides, which provide technical information to understand the capabilities of the iC7 drives for integration into motor
control and monitoring systems.
• Application guides, which provide instructions on setting up the drive for a specific end use. Application guides for application
software packages also provide an overview of the parameters and value ranges for operating the drives, configuration exam-
ples with recommended parameter settings, and troubleshooting steps.
• Facts Worth Knowing about AC Drives, available for download on www.danfoss.com.
• Other supplemental publications, drawings, and guides are available at www.danfoss.com.
Latest versions of Danfoss product guides are available for download at http://drives.danfoss.com/downloads/portal/.

1.4 Abbreviations

Table 2: Abbreviations Related to Functional Safety
Abbrevia- Reference
tions
B –
10d
Cat. EN ISO 13849-1:2015
CCF –
FIT –
HFT EN IEC 61508-4:2010
MTTFd EN ISO 13849-1:2015
Danfoss A/S © 2023.03
Remarks
Minor updates.
The information in this version is valid for iC7-Automation frequency converters up to 106 A.
First release.
The information in this version is valid for iC7-Automation frequency converters up to 43 A.
Description
Number of cycles until 10% of the components have a dangerous failure (for pneumatic
and electromechanical components).
Category, level "B, 1–4"
Common cause failure
Failure in time: 1E-9/hour
Hardware fault tolerance: HFT = n means that n+1 faults could cause a loss of the safety
function.
Mean time to failure - dangerous. Unit: Years are divided into Low, Medium, and High.
Introduction
AQ319741840653en-000201 / 136R0268 | 5