Festo CMMT-AS Series, Перевод оригинальной инструкции

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Festo — CMMT-AS-...-S1 — 2021-04d
Technical data
33
General safety reference data
rect once the safety
sub-function has been
requested)
Tab. 15: Safety reference data and safety specifications
Safety reference data for the safety sub-function STO
Circuitry Without high test
pulses, without or
with STA evaluation With high test
pulses and with STA
evaluation
1)
With high test
pulses and without
STA evaluation
Safety sub-function
in accordance with
EN 61800-5-2 Safe torque off (STO)
Safety integrity level
in accordance with
EN 61508 SIL 3 SIL 3 SIL 2
SIL claim limit for a
subsystem in accord-
ance with EN 62061 SIL CL 3 SIL CL 3 SIL CL 2
Category in accordance
with EN ISO 13849-1 Cat. 4 Cat. 4 Cat. 3
Performance level
in accordance with
EN ISO 13849-1 PL e PL e PL d
Probability of dan-
gerous failure per hour
in accordance with
EN 61508, PFH [1/h] 3.70 x 10
–11
9.40 x 10
–11
5.90 x 10
–10
Mean time to
dangerous failure
in accordance with
EN ISO 13849-1, MTTF
d
[a] 2400 1960 1960
Average diagnostic
coverage in accordance
with EN ISO 13849-1,
DC
AVG
[%] 97 95 75
Operating life (mission
time) in accordance
with EN ISO 13849-1,
T
M
[a] 20