| Error Diagnostics with Sensitive Process |
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New memory technologies for signal traces and data readouts using. |
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The following article illustrates how the new functions of the TURCK interface devices provide suitable tools for this purpose. Maintenance engineers responsible for the availability of a system know the problem only too well. The causes of system faults are often very difficult to determine. Autonomous systems in particular are not provided with a convenient data archiving facility, which would otherwise considerably simplify the search for the cause of the system fault.
Device integrated data archiving can also be useful for centrally controlled systems, for example, with system faults that are accompanied by a fault in communication. Data that was generated before the fault was detected and rectified is irretrievably lost.
As processes and the automation of processes become increasingly more complex, troubleshooting becomes considerably more important. Problems often occur that do not initially seem to be traceable or reproducible. The cause of the fault can only be localised and rectified with great difficulty. This is where the technology of the new Turck interface modules is particularly useful.
A data memory is continuously overwritten and also retains the data in the non-volatile memory in the event of a power failure. In this way, an interface device is turned into a transient recorder in which the recorded signal trace can be read at any time with the FDT/DTM technology. The PC can then be used to display and further process the time trace...
The Author:
Jörg Tauert
is productspecialist interfaces
at Hans Turck GmbH & Co. KG
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