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24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com
2
Safe Stop 1 (SS1)
The 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").
The SS1 safety function has been designed for use in accordance with the following standards:
• EN 61800-5-2 Safe Stop 1 (SS1) SIL2
• EN ISO 13849-1 PL"d" Category 3
• EN 62061: SILCL2
• IEC 61508: SIL2
• The function also corresponds to a controlled stop in accordance with the stop cat. 1, EN 60204-1.
Motor Thermistor Over temperature protection (according to ATEX)
Overtemperature detection using thermistor. It can be used as a tripping device for ATEX certified
motors.
The thermistor tripping function is certified by VTT** according to ATEX directive 94/9/EC.
All safety functions of the OPTBJ board are described in this manual.
** VTT = Technical Research Centre of Finland
2.1 References
Vacon 100 Installation and Application manuals are downloadable at http://drives.danfoss.com/
knowledge-center/technical-documentation/.