Fundamental safety instructions 11.1 General safety instructionsWARNINGRisk of death if the safety instructions and remaining risks are not carefully observedIf the safety instructions and residual risks are not observed in the associated hardwaredocumentation, accidents involving severe injuries or death can occur.● Observe the safety instructions given in the hardware documentation.● Consider the residual risks for the risk evaluation.WARNINGDanger to life or malfunctions of the machine as a result of incorrect or changedparameterizationAs a result of incorrect or changed parameterization, machines can malfunction, which in turncan lead to injuries or death.● Protect the parameterization (parameter assignments) against unauthorized access.● Respond to possible malfunctions by applying suitable measures (e.g. EMERGENCYSTOP or EMERGENCY OFF).1.2 Industrial securityNoteIndustrial securitySiemens provides products and solutions with industrial security functions that support thesecure operation of plants, solutions, machines, equipment and/or networks. They areimportant components in a holistic industrial security concept. With this in mind, Siemens’products and solutions undergo continuous development. Siemens recommends strongly thatyou regularly check for product updates.For the secure operation of Siemens products and solutions, it is necessary to take suitablepreventive action (e.g. cell protection concept) and integrate each component into a holistic,state-of-the-art industrial security concept. Third-party products that may be in use should alsobe considered. For more information about industrial security, visit Hotspot-Text (http://www.siemens.com/industrialsecurity).To stay informed about product updates as they occur, sign up for a product-specificnewsletter. For more information, visit Hotspot-Text (http://support.automation.siemens.com).Basic FunctionsFunction Manual, 01/2015, 6FC5397-0BP40-5BA2 33