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7.2.2.2 Device Information
The most important device information is the following:
• Device Type, input and output data
• Serial number
• Version(s) of software(s)
• Installed hardware and software options
Device Type, input and output data as well as the serial number are given on the type plate attached to the device
on its rear side. Depending on how your device is controlled, further information may be provided by the
software or by the human machine interface TC.HMI.
7.2.2.3 Problem Description
A problem description should document the actual technical problem using measured results, logs, photographs,
screenshots, etc..
In specific, answers to the following questions would be of help:
• How exactly is the device applied?
• What kind of load is connected?
• What is the operating point of the application (voltage, current, power)?
• What are the operating conditions (laboratory, ambient temperature, pollution, etc.)?
• How does the problem show?
• When did the problem first occur?
• Does the problem occur permanently or does it occur sporadically?