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HOME    |    ABOUT    |    MARKETS    |    PRODUCTS    |    SUPPORT    |    CONTACT US (C) Copyright CopecoProducts 2011 Power Quality Solutions - FAQs 1.  How can I upgrade the controller’s firmware? For basic firmware upgrades you need to have a means of communication with the controller (RS-485) and the latest correct firmware version. All of the most recent downloads and upgrade procedures can be found below:       HOME    |    ABOUT    |    MARKETS    |    PRODUCTS    |    SUPPORT    |    CONTACT US