Data Transfer Messages

Sometimes there is a need to communicate data from the charge point back to the OCPP central system which is not supported by an OCPP 1.6J message.

DataTransfer.req messages can be sent to the charge point to access additional information.

vendorId	messageId	data	Description
Evnex	GetRSSI	not required	Returns signal strength information from the cellular modem
Evnex	GetAnalog	not required	Returns analog values from the charging station, including pilot voltages and PCB temperature
Evnex	GetEnergyMeter	not required	Returns the last values read from the energy meter