Danfoss VLT HVAC Drive FC 102 Gebrauchsanweisung - Seite 4

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Danfoss VLT HVAC Drive FC 102 Gebrauchsanweisung

Introduction

1 Introduction

1.1 Purpose of the Manual

This manual provides information for the use of Danfoss

VLT

adjustable frequency drives in functional safety

applications. The manual includes information about

functional safety standards, Danfoss VLT

frequency drive Safe Torque Off (STO) function, and the

related installation and commissioning as well as service

and maintenance for STO.

VLT

is a registered trademark.

1.2 Additional Resources

This manual is targeted at users already familiar with the

VLT

adjustable frequency drives 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 adjustable

frequency drive and/or adjustable frequency drive option

before installation of the unit and observe the instructions

for safe installation.

1.3 Functional Overview

1.3.1 Introduction

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

safety control system. STO prevents the unit from

generating the voltage required to rotate the motor.

NOTICE!

Select and apply the components in the safety control

system appropriately to achieve the desired level of

operational safety. Before integrating and using STO in

an installation, carry out a thorough risk analysis on the

installation to determine whether the STO functionality

and safety levels are appropriate and sufficient.

The VLT

adjustable frequency drive is available with:

•

Safe Torque Off (STO), as defined by EN IEC

61800-5-2

•

Stop Category 0, as defined in EN 60204-1

The adjustable frequency drive integrates the STO

functionality via control terminal 37.

The VLT

adjustable frequency drive with STO functionality

is designed and approved suitable for the requirements of:

Instruction Manual

•

adjustable

1.3.2 Products Covered and Identification

The STO function is available for the following types of

adjustable frequency drives:

•

Identification

•

Product

VLT

enclosure type A1

VLT

Table 1.1 Type Code Identification

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

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

Confirm that the adjustable frequency drive is

configured with STO function by checking the

unit type code on the nameplate (see Table 1.1).

Type Code

T or U at digit 17 of the type

HVAC Drive FC 102

code

T at digit 17 of the type

Refrigeration Drive FC 103

code

T or U at digit 17 of the type

AQUA Drive FC 202

code

T at digit 17 of the type

AutomationDrive FC 301

code

X, B or R at digit 17 of the

AutomationDrive FC 302

type code

MG37D222