Question
The physical programming button on a device must be pressed before every parameter download.
Answer
False
False. The programming button only needs to be pressed for the first download of the Individual Address (Individual Address Download), so that the device accepts its new address. Once addressed, all subsequent downloads (parameters, application program) take place without pressing the button, because ETS reaches the device directly through its individual address.
Preparation tip
If you find yourself pressing the programming button repeatedly during commissioning, double-check the Individual Address assignment — something is forcing ETS back into discovery mode.
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