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FnIO EtherCAT Network Adaptor NA-9286
FnIO S-Series
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5.2.2.
I/O Process Image Map
An expansion module may have 3 types of data as I/O data, configuration parameter and memory register.
The data exchange between network adapter and expansion modules is done via an I/O process image data by
FnBus protocol. The following figure shows the data flow of process image between network adapter and
expansion modules.
