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This device is installed in our electrical panel which act as a timer to control the on/off operation for our LED billboard outside my office. I searched around the device for the brand and model it did not state anything or probably written in chinese character which I am not familiar. The previous electrical engineer already left without leaving his technician any clue on how to operate this device.

Now I need to reprogram it to switch on the billboard at a different time. it has one serial cable that can be connected to a laptop and the technician told me the previous engineer used to plug it to his laptop and run a program called "MK Power" to program the timer. I guess that software came with the device since the tech described a window based program with specifics fields to set time and delay.

Anybody recognize the device and know where I could find the software for it? enter image description here

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  • \$\begingroup\$ Probably not going to get much help here, as that is off topic.. Might try reddit r/plc. In any event, that is some brick PLC, from someone. Would need a manufacturer and model number to even make a guess. \$\endgroup\$ – R Drast Apr 16 at 8:16
  • \$\begingroup\$ thank you for your suggestion.. will try.. \$\endgroup\$ – Ray Asda Apr 16 at 8:35
  • \$\begingroup\$ That is not merely a timer. That is an industrial control unit. A "programmable logic controller" (PLC.) It can do simple timing things, but also much more complicated things. Changing the time may be more complicated than you expect. \$\endgroup\$ – JRE Apr 16 at 10:05
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    \$\begingroup\$ Post a shake-free, in focus, decent resolution photo of the maker's label. \$\endgroup\$ – Transistor Apr 16 at 10:51
  • \$\begingroup\$ @Transistor, lens flare and a decent bokeh would also be nice. :) \$\endgroup\$ – Wossname Apr 16 at 12:34
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I am not sure about the make and model. But i have a link for the manual for MASTER-K PLC programmer:

http://foster.pl/pdf/plc/manuals/MK120S_Users_Manual.pdf

I hope it is useful for you!

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  • \$\begingroup\$ Thanks @Rajat. I have looked into it. The KGL_WIN might be it but unless i could find the previous project file, i think its a dead end. \$\endgroup\$ – Ray Asda Apr 17 at 2:45
  • \$\begingroup\$ Okay! all the best :) \$\endgroup\$ – Rajat Apr 17 at 8:04

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