G-Bus System - Hitachi HX-RIO3 Series User Manual

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HX-RIO3 Series

5.1. G-Bus System

• Network Adapter Module
The Network Adapter Module forms the link between the field bus and the field devices with the Expansion
Modules.
The connection to different field bus systems can be established by each of the corresponding Network
Adapter Module, e.g. for PROFIBUS, CAN open, Ethernet/IP, MODBUS/Serial, MODBUS/TCP etc.
• Expansion Module
The Expansion Modules are supported a variety of input and output field devices.
There are digital and analog input/output modules and special function modules.
• Two types of G-Bus Message
- Service Messaging
- I/O Messaging