Checklists - Leuze electronic MC3 Series Manual

Table 1.4: Terms and abbreviations
EDM
OSSD
RES
PDF-M
PDF-S
PFH
d
MTTF
PL
2NO
xxx
1.3

Checklists

The checklists (see chapter 8 „Testing") serve as a reference for the machine manufacturer or supplier.
They replace neither testing of the complete machine or system prior to the initial start-up nor their periodic
testing by a competent person. The checklists contain minimum testing requirements. Depending on the
application, other tests may be necessary.
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External Device Monitoring
Output Signal Switching Device
Start/REStart interlock
Magnetically Coded Sensors (Proximity Devices with defined behavior under
Fault conditions) with automatic monitoring (Self-Monitoring)
Magnetically Coded Sensors (Proximity Devices with defined behavior under
Fault conditions) with Single fault tolerance
Probability of a dangerous Failure per Hour
Probability of dangerous Failure per Hour
Mean time to a dangerous failure
Mean Time To Failure
Performance Level
Two contacts in "open" state without the presence of an actuator
Placeholder for version
MC3x
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