4 ï Important CommentsLegal PrinciplesWAGO-I/O-SYSTEM 750I/O Modules1 Important CommentsTo ensure fast installation and start-up of the units described in this manual,we strongly recommend that the following information and explanations arecarefully read and abided by.1.1 Legal Principles1.1.1 CopyrightThis manual is copyrighted, together with all figures and illustrationscontained therein. Any use of this manual which infringes the copyrightprovisions stipulated herein, is not permitted. Reproduction, translation andelectronic and photo-technical archiving and amendments require the writtenconsent of WAGO Kontakttechnik GmbH & Co. KG. Non-observance willentail the right of claims for damages.WAGO Kontakttechnik GmbH & Co. KG reserves the right to performmodifications allowed by technical progress. In case of grant of a patent orlegal protection of utility patents all rights are reserved by WAGOKontakttechnik GmbH & Co. KG. Products of other manufacturers are alwaysnamed without referring to patent rights. The existence of such rights cantherefore not be ruled out.1.1.2 Personnel QualificationThe use of the product detailed in this manual is exclusively geared tospecialists having qualifications in PLC programming, electrical specialists orpersons instructed by electrical specialists who are also familiar with the validstandards. WAGO Kontakttechnik GmbH & Co. KG declines all liabilityresulting from improper action and damage to WAGO products and third partyproducts due to non-observance of the information contained in this manual.1.1.3 Intended UseFor each individual application, the components supplied are to work with adedicated hardware and software configuration. Modifications are onlypermitted within the framework of the possibilities documented in themanuals. All other changes to the hardware and/or software and the non-conforming use of the components entail the exclusion of liability on part ofWAGO Kontakttechnik GmbH & Co. KG.Please direct any requirements pertaining to a modified and/or new hardwareor software configuration directly to WAGO Kontakttechnik GmbH & Co.KG.