Vacon OPTAF, User Manual

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vacon • 4 GENERAL
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
The STO safety function has been certified by IFA*
NOTE! Adequate protection from environment must be guaranteed. An adequate protection
can be installation in an IP54 enclosure or the use of a drive with coated PCBs.
Safe Stop 1 (SS1)
SS1 safety function is realized in compliance with type C of the drives safety standard EN
61800-5-2 (Type C: “The PDS(SR) initiates the motor deceleration and initiates the STO
function after an application specific time delay”).
SS1 safety function has been designed for
use in accordance with the following standards:
•
EN 61800-5-2 Safe Stop 1 (SS1) SIL3
• EN ISO 13849-1 PL "e" Category 3
• EN 62061 SILCL3
• IEC 61508 SIL3
• The function also corresponds to a controlled stop in accordance with stop category 1, EN
60204-1.
The SS1 safety function has been certified by IFA *
NOTE! Adequate protection from environment must be guaranteed. An adequate protection
can be installation in an IP54 enclosure or the use of a drive with coated PCBs.
Motor Thermistor Over temperature protection (according to ATEX)
Overtemperature detection using thermistor. It can be used as a tripping device for ATEX certi-
fied motors.
The thermistor tripping function is certified by VTT** according to ATEX directive 94/9/EC.
All safety functions of the OPTAF board are described in this user's manual. The OPTAF option
board contains also two programmable output relays. (
Note! Not part of any safety function.)
NOTE! The STO function is not the same as a prevention of unexpected start-up function. For ful-
filling those requirements, additional external components are required according to appropriate
standards and application requirements. Required external components may be for example:
• Appropriate lockable switch
• A safety relay providing a reset function
NOTE! The safety functions of the OPTAF board do not comply with Emergency Switching Off ac-
cording to EN 60204-1.
* IFA = Institut für Arbeitsschutz der Deutsche Gesetzlichen Unfallversicherung, Germany
** VTT = Technical Research Centre of Finland