10 Important Notes WAGO-I/O-SYSTEM 750 XTR750-537/040-000 8DO 24 VDC 0.5A Diagn XTRManualVersion 1.1.1certificate must be obtained that confirms the correct installation of the system ina housing or switch cabinet.The implementation of safety functions such as EMERGENCY STOP or safetydoor monitoring must only be performed by the F I/O modules within the modularWAGO I/O SYSTEM 750. Only these safe F I/O modules ensure functional safetyin accordance with the latest international standards. WAGO's interference-freeoutput modules can be controlled by the safety function.2.1.4 Technical Condition of Specified DevicesThe devices to be supplied ex works are equipped with hardware and softwareconfigurations, which meet the individual application requirements. Thesemodules contain no parts that can be serviced or repaired by the user. Thefollowing actions will result in the exclusion of liability on the part of WAGOKontakttechnik GmbH & Co. KG:• Repairs,• Changes to the hardware or software that are not described in theoperating instructions,• Improper use of the components.Further details are given in the contractual agreements. Please send yourrequest for modified and new hardware or software configurations directly toWAGO Kontakttechnik GmbH & Co. KG.2.1.4.1 Disposal2.1.4.1.1 Electrical and Electronic EquipmentElectrical and electronic equipment may not be disposed ofwith household waste. This also applies to products withoutthis symbol.Electrical and electronic equipment contain materials and substances that can beharmful to the environment and health. Electrical and electronic equipment mustbe disposed of properly after use.WEEE 2012/19/EU applies throughout Europe. Directives and laws may varynationally.Environmentally friendly disposal benefits health and protectsthe environment from harmful substances in electrical andelectronic equipment.