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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

winny
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Ray Asda
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  • 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. – R Drast Apr 16 '19 at 08:16
  • thank you for your suggestion.. will try.. – Ray Asda Apr 16 '19 at 08:35
  • 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. – JRE Apr 16 '19 at 10:05
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    Post a shake-free, in focus, decent resolution photo of the maker's label. – Transistor Apr 16 '19 at 10:51
  • @Transistor, lens flare and a decent bokeh would also be nice. :) –  Apr 16 '19 at 12:34
  • @JRE yes I have to agree.. I suspect what the technician described as software might be a ladder project file for that specific device. its kinda fit the bill. – Ray Asda Apr 17 '19 at 02:40

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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!

Rajat
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