Contents
1 Introduction 7
1.1 Purpose of this Operating Guide 7
1.2 Available Resources 7
1.3 Document Version 7
1.4 Type Approvals and Certifications 8
2 Legal Information an Safety 9
2.1 Legal Information 9
2.2 Warranty and Liability 9
2.3 Safety Symbols 9
2.4 Qualified Personnel 9
2.5 Responsibilities of Users of PDS(SR) 10
2.6 Safety Precautions 10
2.7 Risk Assessment 12
3 Functions and Systems Overview 13
3.1 System Overview 13
3.1.1 Behavior of Holding Brake 14
3.1.2 Safety Certification 14
3.1.3 Implementation in Control Systems 14
3.2 Functions 15
3.2.1 Specification of Safety Functions 15
3.2.1.1 Performance Level (PL) and Safety Integrity Level (SIL) 15
3.2.2 Validation of Performance Level 15
3.2.3 Activation of Safety Functions 15
3.2.4 Simultaneous Activation of Safety Functions 16
3.2.5 Functional Proof Tests 17
3.2.6 PFD and PFH Definitions 18
3.2.7 Intended Use of the Safety Option 18
3.2.8 MCT 10 Set-up Software with Safe Plug-in 18
3.3 Unit Features 18
3.4 Front View 19
3.5 Categories of Safe Stop 20
3.5.1 Operation and Requirements 20
3.5.2 Safety Functions 20
3.5.3 Safe Torque Off - STO 21
3.5.4 Safe Stop 1 - SS1 22
3.5.4.1 SS1 Delay 22
3.5.4.1.1 Selecting the SS1 Settings 23
3.5.4.2 SS1 Delay with S-ramp Stop Profile 24
Contents
Installation Guide | VLT® Safety Option MCB 150/151
AQ279747441421en-000101 / 130R0292 | 3Danfoss A/S © 2018.09