Kone elevator control/power electronics panel teardown
This is a Kone Elevator control and power electronics panel dated around 1999-2000 according to stickers and test marks. It does not appear to have had a user interface, unless that was connected to the RS232 port. The front reveals a control board with a -12 VDC, GND and +12 VDC power supply at the top, used pr ...
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