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Photonic Universe

RS485 to USB cable to connect a solar charge controller to a PC / computer (1.5m length)

RS485 to USB cable to connect a solar charge controller to a PC / computer (1.5m length)

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1.5m RS485 to USB cable for connecting a DM series controller to your PC for advanced system monitoring and settings.

SPECIAL NOTICE : If you are purchasing this part for a self build project, please see our terms & conditions. FULFILLED BY PHOTONIC UNIVERSE : This product is fulfilled by Photonic Universe, our Solar partner.



This 1.5m RS485 to USB cable is designed for connecting a solar charge controller to your PC / laptop for remote monitoring and personalisation of your solar system via a special software which is free to download and use (suitable for Windows operating system only).

The cable is designed for use with any DM series solar charge controller.

By using this cable to set up a connection between your solar charge controller and a special software programme on your PC or laptop, you will be able to gain access not only to the standard charging parameters already shown via the built-in LCD screen, but also additional information such as min/max voltages, temperature, protection cut off voltages, diagnostics and other information. If required the user will also be able to amend the battery capacity, set charging volts for different charging stages, specify the duration of each charging stage, create a user-defined battery type with charging parameters specific to their battery (if the pre-existing options are unsuitable), and more.

Click on the Details and Specifications tab for more information about this product.

Details & Specification


Cable specifications:

  • Cable length: 1.5 metres
  • Connection: 1 x RS485, 1 x USB
  • Compatible with DM series solar charge controllers




Connection is easy: download the free software by following this link and install it on your PC / laptop (with a Windows-based operating system). Afterwards, simply plug the RS485 connector into the corresponding socket of your solar charge controller, then plug the other end of the cable into the USB socket of your PC or laptop.

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