HackoBoy Posted July 20, 2019 Report Share Posted July 20, 2019 Hello I have this UPS - without battery pack and external cabble with 9 pin molex mlx. I need the circuit to know how to connect the batteries. Because with this connector I have cables from the battery (I suppose is for 48 volts) I have the power cables to the transistor switches but I have 2 cables that go to the electronics that drives the power part. Quote Link to comment Share on other sites More sharing options...
HarryA Posted July 21, 2019 Report Share Posted July 21, 2019 the manual is here if that is helpful: https://www.manualslib.com/products/Mge-Ups-Systems-Pulsar-Esv-22Plusrack-1938198.html Quote Link to comment Share on other sites More sharing options...
HackoBoy Posted July 21, 2019 Author Report Share Posted July 21, 2019 no. In this file ( who i downloaded before days ) i do not see how this 8 x 6 V Batteryes will be conected with cable and 9 pin connector . . In my case i have 9 wire on this connector . 3 from them - connected to Positive end from Battery pack 3 from them - connected to Minus from Battery pack. This wire connected to power inverter MOS Transistors 1 wire - connected to chassis of UPS Have 2 wire - who connected to pcb up to transistors , resistors , diodes , CPU ) It is possible with these two wires to feed the electronics that command the mos transistors and do not know what voltage it should be. That's why I was hoping for this scheme - to see at certain points what I should have Quote Link to comment Share on other sites More sharing options...
HarryA Posted July 21, 2019 Report Share Posted July 21, 2019 You could ask for help finding a schematic here - maybe helpful: http://www.fixya.com/support/p143760-mge_pulsar_evolution_2200_esv22_ups Good luck. Quote Link to comment Share on other sites More sharing options...
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