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cFos Power Brain Configuration

Screenshot #1 cFos Charging Manager Documentation - cFos Power Brain Configuration

EVSE enable

Generally switches loading on and off.

Default settings at startup

Determines which values are selected after start-up in the absence of a charge manager.

Charging EnabledEnable charging without OCPP/Modbus device
Limit CurrentHere you set the maximum charging current
Cable override
The default value for "Cable override" is incorrectly set to 0 in the current version. This means that a connected car is only charged with minimum power. Please enter 16000 there if you do not want a different setting.

DC Sensor

You should always leave the DC sensor / residual current sensor switched active, unless you are operating the cFos Power Brain 11kW on a type B residual current circuit breaker. Without a residual current circuit breaker, operation without a DC sensor is not permitted!

EVSE as OCPP Client

Here you activate and configure the OCPP client of the cFos Power Brain. The OCPP client allows the cFos Power Brains to operate on an OCPP-enabled backend for the following purposes:

  • Monitoring and displaying the status of the wallbox
  • Load management by an external backend
  • Billing of charging processes by an OCPP-enabled billing service

IDYour charge point ID
ServerAddress / URL of the backend
Meter TypeYou can pin one of the meters supported by Charging Manager to the OCPP client and transmit these meter values via OCPP (e.g. for billing purposes)
Address / IDAs in the meter configuration dialogue the address and slave ID of the meter
Configunused

EVSE as Modbus

You can also allow remote control of the cFos Power Brain 11kW wallbox via Modbus.

Slave IDUse this to configure the Modbus slave ID (1 by default)
TCP Port/COM settingsHere you set either the TCP port for Modbus TCP or the COM port parameters for Modbus RTU (i.e. if the cFos Power Brain 11kW wallbox is to be controlled via the RS 485 two-wire interface), e.g. COM1,19200,8,n,1
Screenshot #2 cFos Charging Manager Documentation - cFos Power Brain Configuration

S0 Meter 1 and 2

You can connect an S0 meter to the two S0 inputs of the cFos Power Brain. This is then available as a Modbus device. As with "Modbus EVSE", you can define for the counters to which slave ID the counter(s) listen and which TCP port or COM port settings apply.

An S0 meter sends a certain number of pulses per measured kWh. You set this under "Pulses/kWh". The cFos Power Brain can also simulate current and voltage values if certain readout software requires this. You can set the phase voltage and specify the phases to which the pulses refer.

Modbus TCP/RTU Proxy

The cFos Power Brain 11kW Wallbox speaks TCP/IP by default and has a built-in RS 485 interface. It makes sense to map Modbus TCP to Modbus RTU (RS 485). This allows you to access devices connected to the RS 485 interface via WLAN and Modbus TCP.

enabledEnable and disable this functionality
TCP PortThe port under which the Modbus TCP proxy is accessible
COM SettingsSettings of the serial port
Screenshot #3 cFos Charging Manager Documentation - cFos Power Brain Configuration

Wifi Access Point

You can also use the cFos Power Brain 11kW Walbox as a WLAN access point. Please do not expect great transmission rates. However, you can use it to establish a WLAN connection to your car or other wallboxes.

The name of the base station, the WLAN password and the channel can be set.

WiFi Station

Here you can and should log your cFos Power Brain 11kW Wallbox into your home network, e.g. into your WLAN-enabled Internet router. To do this, select the appropriate name of the base station and the WLAN password. You can also set the host name with which the Power Brain registers with DHCP (and is therefore visible in the home network), as well as a DNS server. Since the cFos Power Brain 11kW Wallbox does not have its own clock, you should set a time server to synchronise the time.

With "Internet Hotspot" you activate the forwarding of IP packets from the WLAN access point to your Internet router, i.e. you make the WLAN hotspot Internet-capable.

Time

Here you can set the time of the cFos Power Brain. Pay attention to the correct time zone. In Germany this is UTC+1 Western Europe.

Screenshot #4 cFos Charging Manager Documentation - cFos Power Brain Configuration

Firmware update

Here you can check for new versions and download a firmware update. Only if the downloaded firmware contains the correct signature, it will be installed.

RestartUse this button to restart the cFos Power Brain Controller

Hardware

ModelThe model of the hardware, e.g. cFos Power Brain 11kW 1.0
Serial no.The serial number of your hardware, e.g. W00-001Z
Backup Configuration
Restore Configuration
You can back up your configuration data in the cFos Power Brain Controller to a separate backup area, then restore it later using this copy