Function and operating modesOperating modes for EL terminals define a basic operating principle depending on the process data settings.Further InformationBasic function principlesCompatibility with EL6692 State machine EL6695 Cyclic process data PDOLocal mailbox protocolsMailbox protocols with transfer capabilityDistributed ClocksOnline ScanEL6692 CompatibilityModeEL6695 performance modesApplications specific variables definition