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System variables – INTERBUS master Available for AXC F x152 On INTERBUS master devices, three diagnostic registers map the diagnostic display to the control system: diagnostic status registers diagnostic parameter registers extended diagnostic parameter registers They inform the control system about the current state of the INTERBUS system. In the application… Read More
Redundancy-specific system variables Available for RFC 4072R In addition to the general PLCnext Technology system variables, the following system variables are available for operating a redundant system of controllers. Information on the redundant control system Redundancy role The LOCAL_RDNCY_INFO system variable is organized as a data structure. Read More
