How Communications between M580 safety PAC and safety I/O modules installed in an RIO drop will be done.

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Communications between the safety PAC and safety I/O modules installed in an RIO drop are made through an adapter module installed on the RIO drop, either:
a BMECRA31210 adapter, for an Ethernet rack, or
a BMXCRA31210 adapter, for an X Bus rack.

NOTE: A BMXCRA31200 adapter cannot be used to connect safety I/O modules to the M580 safety PAC.

Communications from the safety PAC and safety /O modules, both in the local main rack and in an RIO drop, are made via the black channel.