About this document
Leuze electronic
MLC 520 EX
6
1.2
Checklists
The checklists (see chapter 9) 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.
Safety sensor
System consisting of transmitter and receiver
SIL
Safety Integrity Level
State
ON: device intact, OSSD switched on
OFF: device intact, OSSD switched off
Locking: device, connection or control / operation faulty, OSSD switched off
(lock-out)
