User's Manual

User Manual VC-EVCC

If a cable is connected the VC-EVCC determines the cable resistance value

(PlugPresent_Resistance) from the measured voltage. Possible detectable resistance

values which represent different cable types capable of different charging currents are:

PlugPresent Voltage

PlugPresent Status

Protective Earth Offset

1,15 V

Connected (100 Ohm)

-0,77 V … +2,1 V

1,9 V

Connected (220 Ohm)

-1,58 V … +2,1 V

3,2 V

Connected (680 Ohm)

-2,1 V … +2,1 V

3,85 V

Connected (1500 Ohm)

-2,1 V … +2,1 V

4,65 V

Not connected

-2,1 V … +2,1 V

Table 5-14 PlugPresent Voltage Levels Combo2

Note

The values of the Plug Present Voltage are no real measured values. They are just the

mean of the defined voltage range. A real calculation of the voltage value in software is

too complex.

If no cable is connected the CAN signal for the internal PlugPresent_Resistance signal is

set to not available.

Figure 5-1: Electrical Circuit Proximity Pin Combo2 Inlet