No. The DATAEAGLE radio data transmission systems from Schildknecht do not have to be integrated into the control system via a device description file (e.g. GSDML for PROFINET or GSD for PROFIBUS). They act like a cable substitute and are transparent in communication. However, the devices can optionally be integrated into the PLC to activate the integrated diagnostics of the radio data systems. The diagnostic data provides information about radio interruptions or connection setups in the event of interruptions, allowing problems in the system such as defective cables or antennas to be detected.
Replacing cables with radio data transmission – without changes to the machine
Important for easy replacement of the solution for data transmission: If possible, nothing should have to be changed in the general setup of the machine or system. Often, the timing settings of PROFIBUS or PROFINET have proven themselves, fulfill important safety requirements, or require new approvals from TÜV and the like when they are adapted. This must be prevented. Wireless solutions often work with update times in the range of 16-32 milliseconds, while an update time of 1-2 milliseconds is common for PROFINET. Replacing it with such a solution would require intervention in the machine control system and thus possibly extensive testing and acceptance.
Wireless solutions from Schildknecht can be replaced 1:1 with existing cable or slip ring systems – without any changes to the machine. The replacement can be carried out quickly and easily by a company electrician, and extensive adjustments or re-certifications are not required.
With DATAEAGLE, no integration of data transmission into the hardware configuration is necessary. The device description files GSD (PROFIBUS) or GSDML (PROFINET) do not have to be changed and the “cable” configuration can be retained.
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