Danfoss VLT Series Operating Instructions Manual
Frequency converters - safe torque off
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Also See for VLT Series:
- Programming manual (390 pages) ,
- Design manual (179 pages) ,
- Service manual (158 pages)
Related Manuals for Danfoss VLT Series
Summary of Contents for Danfoss VLT Series
- Page 1 MAKING MODERN LIVING POSSIBLE Operating Instructions ® Frequency Converters - Safe Torque Off www.danfoss.com/drives...
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Page 3: Table Of Contents
® Contents Frequency Converters - Safe Torque Off Operating Instructions Contents 1 Introduction 1.1 Purpose of the Manual 1.2 Additional Resources 1.3 Functional Overview 1.4 Approvals and Certifications 1.5 Symbols, Abbreviations and Conventions 2 Safety 2.1 Safety Symbols 2.2 Qualified Personnel 2.3 Safety Precautions 3 Installation 3.1 Safety Instructions... -
Page 4: Introduction
1.1 Purpose of the Manual 1.3.2 Products Covered and Identification ® This manual provides information for use of Danfoss VLT frequency converters in functional safety applications. The The STO function is available for the following types of manual includes information about functional safety frequency converters: ®... -
Page 5: Approvals And Certifications
1.4 Approvals and Certifications Table 1.2 Approvals and Certifications More approvals and certifications are available. Contact local Danfoss partner. Applied standards and compliance Use of Safe Torque Off on terminal 37 requires that the user satisfies all provisions for safety including relevant laws, regulations and guidelines. -
Page 6: Symbols, Abbreviations And Conventions
Introduction ® Frequency Converters - Safe Torque Off Operating Instructions 1.5 Symbols, Abbreviations and Conventions Abbreviation Reference Description Cat. EN ISO 13849-1 Category, level “B, 1-4” Diagnostic Coverage Failure In Time: 1E-9/hour EN IEC 61508 Hardware Fault Tolerance: HFT = n means that n+1 faults could cause a loss of the safety function MTTFd EN ISO 13849-1... -
Page 7: Safety
Safety ® Frequency Converters - Safe Torque Off Operating Instructions 2 Safety 2.1 Safety Symbols Protective Measures • Safety engineering systems may only be installed The following symbols are used in this document: and commissioned by qualified and skilled personnel WARNING •... - Page 8 Safety ® Frequency Converters - Safe Torque Off Operating Instructions WARNING NOTICE SAFE TORQUE OFF FUNCTION The selection of a stop category in accordance with EN The Safe Torque Off function does NOT isolate mains 60204-1 for each stop function must be determined by a voltage to the frequency converter or auxiliary circuits.
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Page 9: Installation
Installation ® Frequency Converters - Safe Torque Off Operating Instructions 3 Installation 3.1 Safety Instructions See chapter 2 Safety for general safety instructions. 3.2 Safe Torque Off Installation For motor connection, AC mains connection, and control wiring, follow the instructions for safe installation in the Operating Instructions of the frequency converter. -
Page 10: Installation In Combination With Thermistor Module Mcb 112
Installation ® Frequency Converters - Safe Torque Off Operating Instructions 3.3 Installation in Combination with Thermistor Module MCB 112 NOTICE Hazardous Hazardous Area Area Combination of Thermistor Module MCB 112 and Safe ® Torque Off function is only available for VLT HVAC PTC Thermistor Card ®... -
Page 11: Commissioning
Commissioning ® Frequency Converters - Safe Torque Off Operating Instructions 4 Commissioning • 4.1 Safety Instructions Select [6] PTC 1 & Relay A to [9] PTC 1 & Relay W/A for the combination of external safety device and See chapter 2 Safety for general safety instructions. MCB 112. -
Page 12: Safe Torque Off Commissioning Test
Commissioning ® Frequency Converters - Safe Torque Off Operating Instructions 4.5.2 Automatic Restart of Safe Torque Off 4.5 Safe Torque Off Commissioning Test Application After installation and before first operation, perform a commissioning test of the installation, using Safe Torque Application where 5-19 Terminal 37 Safe Stop is set to [3] Off. -
Page 13: Safe Torque Off Technical Data
Functional safety data are available from a data library for use with the SISTEMA calculation tool from the IFA (Institute for Occupational Safety and Health of the German Social Accident Insurance), and data for manual calculation. SISTEMA is available for download at www.danfoss.com/BusinessAreas/DrivesSolutions/SISTEMA/. MG37D102 - Rev. 2013-11-15... -
Page 14: Index
® Index Frequency Converters - Safe Torque Off Operating Instructions Index Reaction time..................11 Restart Abbreviations..................4 Behaviour....................9 Activation....................9 Prevention..................9, 10 Alarm......................9 Approvals....................3 Automatic Restart................9, 10 Safe Torque Off..................2 Safety device................... 8 Safety-guard switch................8 Certifications................... - Page 15 ® Index Frequency Converters - Safe Torque Off Operating Instructions MG37D102 - Rev. 2013-11-15...
- Page 16 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.