Avoid Unintended Start; Safe Stop Of Fc 300 - Danfoss VLT AutomationDrive FC 300 Operating Instructions Manual

®
VLT AutomationDrive FC 300 Operating
Instructions

2.1.4. Avoid Unintended Start

While FC 300 is connected to mains, the motor can be started/stopped using digital commands, bus commands, references or via the Local Control Panel
(LCP).
• Disconnect the FC 300 from mains whenever personal safety considerations make it necessary to avoid unintended start.
• To avoid unintended start, always activate the [OFF] key before changing parameters.
• An electronic fault, temporary overload, a fault in the mains supply, or lost motor connection may cause a stopped motor to start. FC 300 with
Safe Stop (i.e. FC 301 in A1 enclosure and FC 302) provides protection against unintended start, if the Safe Stop Terminal 37 is on low voltage
level or disconnected.

2.1.5. Safe Stop of FC 300

The FC 302, and also the FC301 in A1 enclosure, can perform the safety function
defined in EN 60204-1).
FC 301 A1 enclosure: When Safe Stop is included in the drive, position 18 of Type Code must be either T or U. If position 18 is B or X, Safe Stop Terminal
37 is not included!
Example:
Type Code for FC 301 A1 with Safe Stop: FC-301PK75T4Z20H4TGCXXXSXXXXA0BXCXXXXD0
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 FC 300 Design Guide MG.33.BX.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
MG.33.AB.02 - VLT is a registered Danfoss trademark
2. Safety Instructions and General Warning
(As defined by IEC 61800-5-2) or
2
Stop Category 0
(as
9