and start-up
7.1.7 Pin 16 EN
The admissible voltage range for pin 3 EN = high is 7 – 16 V.
For a pin 16 EN = low, a voltage of < 1 V is required.
To programme a new firmware, pin 13 must be PRO = high.
For this purpose, pin 16 EN = high is not necessary.
If voltage is applied at pin 2 AUX and if pin 16 is EN = high
, the device is put into the operational mode.
Most appropriately, this is implemented by connecting pin 16 EN to the Plus wiring system via a switch.
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