Contents About this Document Scope Safety Integrity Level Product Description Safety function Safe state Safety Planning Architectural specifications Assumptions FMEDA results Examples for using the results 5.4.1 Probability of dangerous failure per hour (High Demand mode) 5.4.2 Average probability of dangerous failure on demand (Low Demand mode) Operating Instructions General Before operation...
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Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com...
All instructions must be followed in order to assure functional safety. Always make sure that this is the latest version of the safety manual at www.turck.com. The English version is considered the definitive document. Care was taken in the production of the translations of this document.
For example, heavy temperature fluctuations could potentially decrease the useful lifetime, as constant temperature below 40 °C could potentially increase the useful lifetime. Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com...
Assumptions ■ Failure rates are constant for 10 years, wear out mechanisms are not included ■ Propagation of failures is not relevant ■ External power supply failure rates are not included ■ All components that are not part of the safety function and cannot influence the safety func- tion (feedback immune) are excluded.
Hans Turck GmbH & Co. KG Witzlebenstraße 7 45472 Mülheim an der Ruhr Germany Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com...
Before operation Fasten the device to a rail according EN 60715 (TH35) as follows: ➤ ➤ Fig. 1: Fasten the device „7 Connection and Wiring Diagrams“ on Connect cables according to the wiring diagrams in ➤ ➤ page 12. Use cables with Terminal cross section. ➤...
The LED State is not part of the safety function. ➤ ➤ The device shall be locked against unintended operation/modification. ➤ ➤ Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com...
After operation Undo the terminal connection on the device. ➤ ➤ Remove the device from its rail fixing as shown in the figure: ➤ ➤ Fig. 4: Remove device Ensure the proper disposal of the device. ➤ ➤ V01.0 | 2019/09...
The pin number assignment can be found at the front label. Load resistance (A1): ≤ 800 Ω 4…20 mA 4…20 mA Source 6 – 4 – 10…30 VDC 8 – Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com...
Terms and Abbreviations Diagnostic Coverage 1 FIT is 1 failure per 10E09 hours FMEDA Failure Modes, Effects and Diagnostic Analysis Hardware failure tolerance λ Undetected Annunciation failure rate (per hour) Annunciation failures do not directly impact safety but impact the ability to detect a future fault (such as a fault in diagnostic circuit).
Document History Document Version Date Modifications 2019-09-05 Initial version Certificate The certificate can be found on the internet at www.turck.com. Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com...
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