Modicon M580 Plc Page 2-5 I/O architectures

2 1 3 4 5 6 7 8 9 10 2 1 3 4 5 6 7 8 9 10 High-availability architectures for distributed I/O (primary CPU and redundant CPU) High-availability architectures for Hybrid I/O (primary CPU and redundant CPU) Distributed over Ethernet Distributed and remote I/O over Ethernet Hot Standby topology with devices linked to distributed I/O over Ethernet Hot Standby topology with devices available on distributed and remote I/O over Ethernet Distributed I/O architecture Mixed RIO/DIO architecture No local I/O on high-availability architecture Compatible for main racks (only remote) Mandatory for expansion racks (main or remote) Compatible with any rack provided that no Modicon X80 I/O Ethernet modules (such as weighing, HART, and BMECRA31210 modules), are used in the racks All redundant processors are compatible One SERVICE port for HMI, Unity, control network, variable speed drive, etc. Dual ports are used for distributed equipment (DIO scanner) Dual ports are used for remote equipment (RIO scanner), BMECRA31210 Ethernet drop adapter is mandatory in RIO drop (2) A maximum of 16 RIO drops can be supported in an M580 network Yes Yes, in a local rack or in a RIO drop Yes Yes, only in a local rack Yes Yes, only in a local rack No Yes, in a RIO drop Yes Yes, in a RIO drop Yes, only in the RIO drop, system mode with OFS (1) RUN Fiber optic Ethernet fiber optic network Ethernet Fiber optic Ethernet 2/5

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