Schneider Electric Processor Adapter - Manual (Page 172)

Using the I/OBus Port
172 870 USE 101 10 V.2
I/O Bus Port
Introduction The I/OBus port allows a Momentum CPU to assume bus master capabilities over
as many as 255 slave devices over an Interbus cable.
Connector Type The I/OBus port has a female 9-pin D-shell connector.
Illustration The following illustration shows the position of the I/OBus port on a Processor
Adapter:
Note: Processors that support IEC are limited to a maximum number of 1408
used I/O points, regardless of the number of modules.
Label Description
1 I/OBus port