IFM MN7 S Series, Руководство по эксплуатации

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17
UK
12 Maintenance, repair and disposal
The function of the devices must be tested automatically or manually at least once
a year� The function can be tested by removing the actuator (> s
ar
) (→ 5 Function)�
Only the manufacturer is allowed to repair the unit�
Dispose of the unit in an environmentally friendly way in accordance with the
applicable national regulations when it is no longer used�
13 Terms and abbreviations
OSSD Output Signal Switching Device Output signal switch element
PDDB Proximity devices with defined
behaviour under fault conditions
Näherungsschalter mit einem definierten
Verhalten unter Fehlerbedingungen
PFH
(PFH
D
)
Probability of (dangerous) Failure
per Hour
Probability of (dangerous) Failure per Hour
PL Performance level PL to EN ISO 13849-1
S
ar
Safe switch-off distance Distance to the sensing face outside which
the absence of the magnet deactivates (safe
state) a subsequent evaluation unit�
SIL Safety Integrity Level Safety integrity level SIL 1-4 according to
IEC 61508� The higher the SIL, the lower the
probability that a safety function will fail�
SIL
cl
Safety Integrity Level
claim limit
Safety integrity level
claim limit
(according to IEC 62061)
T
M
Mission time Mission time according to EN 60947-5-3
(= max� service life)