6. GX device setup, configuration and operation
6.1. Modbus TCP activation
The EV Charging Station NS communicates with the GX device via Modbus TCP. This must first be activated in the GX device and is a mandatory step.
In the GX device, go to Settings → Services → Modbus TCP and enable Modbus TCP.
Activate the charging station in the Modbus TCP/UDP menu
This step is only required if it is an EV Charging Station NS that has not already been connected to the GX device AND the GX device has firmware version 3.12 or higher.
For devices that were already connected to the GX device before a GX firmware update to Venus OS 3.12, this step is not necessary. These units are activated automatically.
In the GX device, go to Settings → Modbus TCP/UDP → Discovered devices and activate the EVCS.
6.2. Setup menu and options
As soon as Modbus TCP has been activated, the EVCS appears in the device list and displays the current mode and charging state.
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Highlight the EVCS then press spacebar or cursor right to enter the next menu and at the setup menu item press spacebar again to enter the setup menu. See the EV Charging Station setup and the Description chapter for the meaning of the available options.
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6.3. Overview and device menu
The overview menu provides a button to activate (start) charging in manual mode and the following status information:
Actual charging current: The charging current in A
Total power: Total power of all phases
L1..L3: Power of each individual phase
Charging time: The charging time per session
Charged energy: Charged energy per session
If you scroll further down the menu, you will see the Setup and Device menu. See the Setup menu and options chapter for details.
The last menu item is the Device menu, which provides additional device information such as the connection type, product ID, VRM instance, firmware version and serial number. It is also possible to assign a custom name to the EVCS.
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