Contents
1 Introduction 6
1.1 Purpose of this Installation Guide 6
1.2 Trademarks 6
1.3 Additional Resources 6
1.4 Document Version 6
1.5 Product Overview 6
1.5.1 Intended Use 6
1.5.2 Unit Features 7
1.5.3 Items Supplied 8
1.5.4 Compatible Drive Series 8
1.5.5 Front View 8
1.5.6 Hardware and Software Requirements 8
1.6 Compliance and Certifications 9
1.7 Disposal 9
2 Safety 10
2.1 Safety Symbols 10
2.2 Qualified Personnel 10
2.3 Responsibilities of Users of PDS(SR) 10
2.4 Protective Measures 11
2.5 Safety Precautions 11
2.6 Risk Assessment 13
2.6.1 Validation of Performance Level 13
3 Functions 14
3.1 Safety Functions 14
3.2 Safe Torque Off - STO 14
3.3 Specification of Safety functions 16
3.4 Activation of Safety functions 16
3.5 Activation of STO from Multiple Sources 16
3.6 Functional Proof Tests 16
3.7 PFD and PFH Definitions 16
3.8 Internal Faults 16
3.9 Inputs and Outputs 17
3.9.1 Allowed Sensor Types on Digital Inputs 17
3.9.2 Inputs 17
3.9.3 Safe Option Monitoring (SO Mon) 17
3.9.4 Output 17
3.9.5 Signal Filtering 17
3.9.6 Stable Signal Time from Safe Outputs 18
ContentsInstallation Guide | VLT®Safety Option MCB 152
AN327351953089en-000101 / | 3Danfoss A/S © 2020.02
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