Safe Stop Of The Frequency Converter - Danfoss VLT AutomationDrive FC 300 Operating Instructions Manual

Safety

2.1.7 Safe Stop of the Frequency Converter

For versions fitted with a Safe Stop terminal 37 input, the
frequency converter 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. Before integration and use of Safe Stop in an
installation, a thorough risk analysis on the installation
Illustration 2.3
VLT Automation Low Harmonic Drive Operating Instructions
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 Operating Instructions
are not sufficient for a correct and safe use of the Safe
Stop functionality.
®
MG34O202 - VLT is a registered Danfoss trademark
2 2
9