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Danfoss VLT Manual de instrucciones

Introduction

1
1
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.
®
VLT
is a registered trademark.

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.

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
frequency converter 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 frequency converter integrates the STO functionality
via control terminal 37.
®
The VLT
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
2
Operating Instructions
®
frequency converter Safe Torque
Danfoss A/S © 09/2014 All rights reserved.
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
®
VLT
AQUA Drive FC 202
®
VLT
AutomationDrive FC 301
enclosure type A1
®
VLT
AutomationDrive 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
MG37D202