Danfoss VLT AutomationDrive FC 302 Panduan Petunjuk Pengoperasian - Halaman 4

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Danfoss VLT AutomationDrive FC 302 Panduan Petunjuk Pengoperasian

Introduction

1 Introduction

1.1 Purpose of the Manual

This manual provides information for use of Danfoss VLT

frequency converters in functional safety applications. The

manual includes information about functional safety

standards, Danfoss VLT

Off (STO) function, and the related installation and

commissioning as well as service and maintenance for STO.

1.2 Additional Resources

This manual is targeted at users already familiar with the

VLT

frequency converters and is intended as a

supplement to the manuals and instructions available for

download at www.danfoss.com/BusinessAreas/DrivesSo-

lutions/Documentations/VLT+Technical+Documentation.htm.

Read the instructions shipped with the frequency converter

and/or frequency converter option before installation of

the unit and observe the instructions for safe installation.

Disclosure, duplication and sale of this document, as well

as communication of its content, are prohibited unless

explicitly permitted. Infringement of this prohibition incurs

patents, utility patents and registered designs. VLT

registered trademark.

1.3 Functional Overview

1.3.1 Introduction

The Safe Torque Off (STO) function is a component in a

safety control system. Components in the system must be

selected and applied appropriately to achieve the desired

level of operational safety. STO disables the control voltage

of the power semiconductors of the frequency converter

output stage, which in turn prevents generating the

voltage required to rotate the motor.

The frequency converter can integrate the safety function

Safe Torque Off (STO, as defined by EN IEC 61800-5-2) and

Stop Category 0 (as defined in EN 60204-1). The frequency

converter is available with STO functionality via control

terminal 37.

Before integrating and using STO in an installation, a

thorough risk analysis on the installation must be carried

out to determine whether the STO functionality and safety

levels are appropriate and sufficient. The frequency

converter with STO functionality is designed and approved,

suitable for the requirements of:

•

Category 3 in EN ISO 13849-1

•

Performance Level "d" in EN ISO 13849-1

•

SIL 2 in IEC 61508 and EN 61800-5-2

•

SILCL 2 in EN 62061

VLT

Frequency Converters - Safe Torque Off Operating Instructions

frequency converter Safe Torque

MG37D102 - Rev. 2013-11-15

1.3.2 Products Covered and Identification

The STO function is available for the following types of

frequency converters:

•

VLT

HVAC Drive FC 102

•

VLT

Refrigeration Drive FC 103

•

VLT

AQUA Drive FC 202

•

VLT

AutomationDrive FC 301 enclosure type A1

•

VLT

AutomationDrive FC 302

Identification

•

Confirm that the frequency converter is

configured with STO function by checking the

unit typecode on the nameplate (see Table 1.1).

Product

VLT

HVAC Drive

FC 102

VLT

Refrigeration

Drive FC 103

is a

VLT

AQUA Drive

FC 202

VLT

Automa-

tionDrive FC 301

enclosure type A1

VLT

Automa-

tionDrive FC 302

Table 1.1 Typecode Identification

Typecode

T or U at digit 17 of the typecode

T at digit 17 of the typecode

T or U at digit 17 of the typecode

T at digit 17 of the typecode

X, B or R at digit 17 of the typecode