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What is the maximum number of Momentum IO bases allowed on IObus?

FA197126

24/01/2018

An IObus network may consist of as many as 256 nodes, however there are also limitations on the number of I/O words available. The limit is based on the processor type as shown in the following table:

Processor Type
Max. Input Words
Max. Output Words
171CCS76000
128
128
171CCC76010
256
256
171CCC96020
256
256
171CCC96030
256
256

Note: Processors that support IEC are limited to a maximum number of 1408 used I/O points, regardless of the number of modules.