Page 39 (above) of the manual does not show anything beyond the direct connection.
Page 13 (below)
"3.4.1 Control Pilot (CP)
The control pilot is a safety installation which also increases the reliability of the charging process of an electric
vehicle. It is absolutely necessary if the supply-side charging current exceeds 16 A. The CP signal is fed to the
charger from the charging station via an additional contact in the mains plug and thereby transmits the maximum
permitted current carrying capacity of the mains socket. Here, currents of 6 A - 32 A can be transmitted. The CP
signal generator can also be integrated into an adapter cable for normal household sockets. In this case, this signal
generator transmits a suitable current limitation so that the household socket is not overloaded.
The CP interface enables the bi-directional exchange of information between the charging station and the electric
vehicle and it is standardised worldwide. "
Page 9 of the SW manual
"
5 NLG513 State Machine (Wake-up and Sleep Mechanisms)
INFORMATION
The NLG5 is capable of waking up automatically via the following wake-up signals or in connection
with a superior unit (e.g. VCU):
Control pilot (CP)
Pin 3PON, e.g. switched by superior control as the VCU
CAN signal NLG5_CTL (e.g. Rx at 618) "
I do not understand where the NLG gets its power from to wake up. Does it pull power from the 400V car battery back through the output leads? Does it pull power from the public charging station through the CP pins?
Based on your statement I should connect to the dangling connector as shown below to cause the system to go into ready mode from the public charger side? Then the Brusa will turn on, read the charging current limit on the CP line, and then the PON switch will initiate the charging?