2.1.7 Safe Stop of the Adjustable Frequency Drive
For versions fitted with a Safe Stop terminal 37 input, the adjustable frequency drive can perform the safety function
Safe Torque Off
(As defined by
draft CD IEC 61800-5-2) or
Stop Category 0
(as 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
Design Guide
must be followed. The information and instructions of the Instruction
Manual are not sufficient for a correct and safe use of the safe stop functionality.
VLT AQUA Low Harmonic Drive Instruction
Manual
2 Safety
MG.20.T1.22 - VLT
®
is a registered Danfoss trademark
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