V01.00 | 2020/07
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7.2
Safety planning
The operator is responsible for the safety planning.
7.2.1
Prerequisites
Perform a hazard and risk analysis.
Develop a safety concept for the machine or plant.
Calculate the safety integrity for the complete machine or plant.
Validate the complete system.
7.2.2
Reaction time
If the device is operated with higher availability, the max. reaction time is extended (see ”Safety
Characteristic Data”).
In addition to the reaction time in the device, reaction times of the further Safety components
have to be system considered eventually. Please find the respective information in the tech-
nical data of the respective devices.
Further information about the reaction time can be found in the online help for the Turck
Safety Configurator.
7.2.3
Safety characteristic data
Characteristic data
Value
Standard
PL (Performance Level)
e
EN/ISO 13849-1:2015
Safety category
4
MTTF
D
> 100 years (high)
Permissible duration of use (TM)
20 years
DC
99 %
SIL (Safety Integrity Level)
3
EN 61508
PFH
3.85 × 10
-9
1/h
PFD
4.1 × 10
-6
Maximum on-time
12 months
SIL CL
3
EN 62061:2005+
Cor.:2010+A1:2013+A2:2015
PFH
D
5.08 × 10
-9
1/h
SFF
98.22 %
PROFIsafe > local output
25 ms
EN 61508
Local input > PROFIsafe
20 ms
Local input <> local output
35 ms
