Profinet Master - Library for Windows

The Profinet Master Stack for Windows from SYBERA eliminates the need for a PLC. The master control is realized directly from the PC with standard Ethernet adapters. In combination with the "X - Realtime Engine" from SYBERA, an Ethernet port can be upgraded to a Profinet Master. The physical connection is made via a standard INTEL or REALTEK PCI(e) adapter.

The supported hardware can be found in the Ethernet Realtime Core manual Chapter 1 page 7-11.

The programming library is based on the Profinet master protocol stack with the "X - Realtime" technology. The software runs under Windows and enables the control of Profinet devices in real time. Depending on the PC hardware and application, telegram update times of up to 250 ?sec with a jitter <10?sec can be realized.

Profinet Master - Funktionalität

• ProfiNET Controller Stack
• Intelligent Station Management
• Station Cycles upto 250 ?sec
• ProfiNET Service Interface
• Alarm Handling
• Error Management
• Sequence Log
• GSDML Station Configuration
• High/Low-Level Programming Interface

ProfiNET as star topologie

While other fieldbus systems, for example, implement the typical master/device principle between the controller and devices, ProfiNET consists of a provider/consumer model in which the roles can be reversed. ProfiNET real-time communication requires a defined master/device relationship.

As with other fieldbus systems, SYBERA also refers to the ProfiNET stack as a master principle, as cyclical operation prescribes a clearly defined role. The ProfiNET Master from SYBERA (PDF) eliminates the need for separate controller hardware, as the ProfiNET control is implemented by the PC with standard Ethernet adapters. The ProfiNET Master from SYBERA is offered as an open real-time library system and enables the developer to program a deterministic controller for ProfiNET devices.

With the increasing networking of the industrial environment, Ethernet communication is playing an ever more important role in the connection and control of devices. The communication principle is based on cyclical process data exchange and requires deterministic software and hardware for the controller and device. The direct control of fieldbus devices with a PC and the Windows operating system only became possible with the introduction of real-time extension systems (e.g. the real-time extension from SYBERA with Ethernet update cycles of up to 250 µsec).

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