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Connecting to the charge controller
7. Connecting to the charge controller
The charge controller runs the Linux operating system (OS). The easiest way to connect
to the system is to connect through a TCP/IP network connection. This can be done by
establishing a network connection.
7.1 Establishing a network connection to the charge controller
Establishing a network connection with the USB configuration interface (CONFIG). This
interface can be found on the charge controller front panel.
7.1.1 USB configuration interface
The USB configuration interface, CONFIG, emulates a so-called Remote Network Driver
Interface Specification (RNDIS) network when it is plugged into Windows, Linux or Mac
OS computers. In a Linux and Mac OS, this virtual network interface is automatically de-
tected and a driver is not necessary. On a Windows host machine, however, the driver for
the RNDIS network adapter usually needs to be manually selected. To do this:
• Open the device manager from the control panel
• Right click the "RNDIS/Ethernet Gadget" menu item located under "Other devices" and
select "Update Driver Software"
• Select the option "Browse my computer for driver software".
• Then click on the option "Select from a list of device drivers on my computer".
• From the list presented, select the "Network adapters" category.
• In the window that appears, select the manufacturer Microsoft Corporation and the
network adapter "Remote NDIS Compatible Device“. The device driver is then ins-
talled and the system recognises the charge controller as a network adapter.
The charging system controller uses the local IP address 192.168.123.123 with a subnet
mask of 255.255.255.0 on the virtual network interface corresponding to the USB
configuration interface. A DHCP server is running on the target and automatically assigns
a corresponding IP address to the host machine once it is connected. Therefore, commu-
nication with the charge controller is based on this IP address.
The charge controller must be powered with 12 V when the CONFIG inter-
face is being used.
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