I/O Network; System Architecture With Non Redundant Plc-Cpm - Honeywell ControlEdge 900 platform Hardware Planning And Installation Manual

I/O Network

In the I/O network used to connect the PLC-CPM to expansion I/O
racks via the EPM, two network topologies are supported in the
network: Ring and Star.
Up to 144 I/O modules can be configured. Rationale: 12 racks x
n
12 modules per rack.
Up to 4608, channels can be configured. Rationale: 12 racks x 12
n
modules per rack x 32 channels per module (applicable for certain
I/O module types only)
Figure 3-1: System architecture with non redundant PLC-CPM
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