Danfoss VLT Safety Option MCB 150, Operating Instructions Manual

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Contents
1 Introduction
5
1.1 Purpose of the Manual
5
1.2 Overview of Documentation
5
1.3 Abbreviations and Definitions
6
2 Legal Information and Safety
8
2.1 Legal Information
8
2.1.1 Copyright and Revisions 8
2.1.2 Warranty and Liability 8
2.2 Safety
8
2.2.1 Safety Precautions 8
2.2.2 Risk Assessment 8
2.2.3 Safety Regulations 9
2.2.4 Qualified Personnel 9
3 Functions and System Overview
10
3.1 System Overview
10
3.1.1 Behaviour of Holding Brake 10
3.1.2 Safety Certification 11
3.1.3 Implementation in Control Systems 11
3.2 Functions 11
3.2.1 Specification of Safety Functions 11
3.2.1.1 Performance Level (PL) and Safety Integrity Level (SIL) 11
3.2.2 Validation of Performance Level 11
3.2.3 Activation of Safety Functions 12
3.2.4 Simultaneous Activation of Safety Functions 12
3.2.5 Functional Proof Tests 13
3.2.6 PFD and PFH Definitions 13
3.2.7 Intended Use of the Safety Option 13
3.2.8 MCT 10 Set-up Software with Safe Plug-in 13
3.3 Unit Features
13
3.4 Front View
14
3.5 Categories of Safe Stop
14
3.5.1 Operation and Requirements 14
3.5.2 Safety Functions 14
3.5.3 Safe Torque Off - STO 15
3.5.4 Safe Stop 1 - SS1 15
3.5.4.1 SS1 Delay 15
3.5.4.2 SS1 Delay with S-ramp Stop Profile 16
3.5.4.3 SS1 Ramp 17
Contents Operating Instructions
MG34W302 Danfoss A/S © Rev. 2014-02-11 All rights reserved. 1