Safe Stop Of The Frequency Converter - Danfoss VLT AQUA High Power Operating Instructions Manual

VLT AQUA High Power Operation Instructions

2.1.8. Safe Stop of the Frequency Converter

For versions fitted with a Safe Stop terminal 37 input, the frequency converter can perform the
safety function
defined in EN 60204-1).
It is designed and approved suitable for the requirements of Safety Category 3 in EN 954-1. This
functionality is called Safe Stop. Prior to integration and use of Safe Stop in an installation, a
thorough risk analysis on the installation must be carried out in order to determine whether the
Safe Stop functionality and safety category are appropriate and sufficient. In order to install and
use the Safe Stop function in accordance with the requirements of Safety Category 3 in EN 954-1,
the related information and instructions of the VLT AQUA Drive Design Guide MG.20.NX.YY must
be followed! The information and instructions of the Operating Instructions are not sufficient for
a correct and safe use of the Safe Stop functionality!
Safe Torque Off (As defined by draft CD IEC 61800-5-2) or
®
MG.20.P1.02 - VLT is a registered Danfoss trademark
2. Safety
Stop Category 0 (as
11
2