About This Document; Used Symbols And Signal Words - Leuze electronic MLC 520 EX Series Original Operating Instructions

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About this document

1.1

Used symbols and signal words

Table 1.1:
NOTICE
CAUTION
WARNING
DANGER
Table 1.2:

Table 1.3:
AOPD
EDM
LED
MLC
MTTF
d
OSSD
PFH
d
PL
RES
Scan
Leuze electronic
Warning symbols and signal words
Symbol indicating dangers to persons
Signal word for property damage
Indicates dangers that may result in property damage if the measures for dan-
ger avoidance are not followed.
Signal word for minor injury
Indicates dangers that may result in minor injury if the measures for danger
avoidance are not followed.
Signal word for serious injury
Indicates dangers that may result in severe or fatal injury if the measures for
danger avoidance are not followed.
Signal word for life-threatening danger
Indicates dangers with which serious or fatal injury is imminent if the measures
for danger avoidance are not followed.
Other symbols
Symbol for tips
Text passages with this symbol provide you with further information.
Symbols for action steps
Text passages with this symbol instruct you to perform actions.
Terms and abbreviations
Active Optoelectronic Protective Device
Contactor monitoring
(External Device Monitoring)
LED, display element in transmitter and receiver
Brief description of the safety sensor, consisting of transmitter and receiver
Mean Time To dangerous Failure
Safety-related switching output
(Output Signal Switching Device)
Probability of dangerous Failure per Hour
Performance Level
Start/REStart interlock
Consecutive scans of the protective field from the first to the last beam
MLC 520 EX
About this document
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