GN-9289 User Manual
Page 28 of (70)
G-series GN-9289 Modbus TCP_UDP Rev. 1.01.docx
7. 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 G-Series protocol. The following figure shows the data flow of process image between network adapter
and expansion modules.