
Foreword
1.2 Safetyinstructions
Safetyregulations
Pleasenotethefollowingsafetyinstructionsandexplanations!
Productspecificsafetyinstructionscanbefoundonfollowingpagesorintheareasmounting,wiring,
commissioningetc.
Exclusionofliability
Allthecomponentsaresuppliedinparticularhardwareandsoftwareconfigurationsappropriateforthe
application.Modificationstohardwareorsoftwareconfigurationsotherthanthosedescribedinthe
documentationarenotpermitted,andnullifytheliabilityofBeckhoffAutomationGmbH&Co.KG.
Personnelqualification
Thisdescriptionisonlyintendedfortrainedspecialistsincontrol,automationanddriveengineeringwhoare
familiarwiththeapplicablenationalstandards.
Descriptionofsymbols
Inthisdocumentationthefollowingsymbolsareusedwithanaccompanyingsafetyinstructionornote.The
safetyinstructionsmustbereadcarefullyandfollowedwithoutfail!
DANGER
Seriousriskofinjury!
Failuretofollowthesafetyinstructionsassociatedwiththissymboldirectlyendangersthe
lifeandhealthofpersons.
WARNING
Riskofinjury!
Failuretofollowthesafetyinstructionsassociatedwiththissymbolendangersthelifeand
healthofpersons.
CAUTION
Personalinjuries!
Failuretofollowthesafetyinstructionsassociatedwiththissymbolcanleadtoinjuriesto
persons.
Attention
Damagetotheenvironmentordevices
Failuretofollowtheinstructionsassociatedwiththissymbolcanleadtodamagetotheen
vironmentorequipment.
Note
Tiporpointer
Thissymbolindicatesinformationthatcontributestobetterunderstanding.
1.3 Documentationissuestatus
Version Modifications
1.0 Firstpublished
0.1 Provisionalversion(originalversion)
CX51x06 Version1.0
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