![]() The same functions can be achieved as with CC-C. The Remote Service Interface (RSI) was introduced for this purpose.įunctionalities of Profinet Conformance ClassesĪ Profinet system consists of the following devices: : 3 In contrast to CC-A and CC-B, the complete communication (cyclic and acyclic) between controller and device takes place on Ethernet layer 2. The IO-Controller, which controls the automation task. ![]() The IO-Device, which is a field device, monitored and controlled by an IO-Controller.The IO-Supervisor is software typically based on a PC for setting parameters and diagnosing individual IO-Devices.Ī minimal Profinet IO-System consists of at least one IO-Controller that controls one or more IO-Devices.Īn IO-Device may consist of several modules and sub-modules.In addition, one or more IO-Supervisors can optionally be switched on temporarily for the engineering of the IO-Devices if required. If two IO-Systems are in the same IP network, the IO-Controllers can also share an input signal as shared input, in which they have read access to the same submodule in an IO-Device.
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