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Proximity Pilot (PP) serves as a charge cable detection and current limitation. The Proximity Pilot is implemented differently in Type 1 and Type 2 plugs. For Type 1 plugs only, the Proximity Pilot also takes care of mechanical locking and sparkleless disconnections.
The purpose of the test is to check the operation and integrity of the Proximity Pilot (PP) line on an Electric Vehicle (EV) having a Type 2 coupling (IEC 62196-2) with the Electric Vehicle Supply Equipment (EVSE). Charger-vehicle circuit diagram with a Type 2 connector.
Proximity Pilot. The proximity pin, PP (also known as plug present), as shown in the SAE J1772 example pinout, describes the switch, S3, as being mechanically linked to the connector latch release actuator
The IEC 62196 Type 2 connector (often referred to as Mennekes for the company that designed it) is used for charging electric vehicles, mainly within Europe, as it was declared standard by the EU.
In case of Type 2 connectors there is no auxiliary switch. The proximity signal is used for simultaneous proximity detection and current capability coding of the cable assembly. The value of the resistor connected between the proximity contact (PP) and the earthing contact (PE) determines the maximum current capability of the cable assembly (e ...
If the SOC is not at 100% and charging still fails to commence, then safely carry out the Proximity Pilot (PP) line resistance check (Type 1) to determine the condition of its circuit. Safely check the condition of the cables and any temperature related switches inside the connector.
5 lug 2023 · The functional capabilities of the SAE J1772 Type 1/2 EV charging interface. How the Combined Charging System (CCS) specification adds dc fast-charge capabilities to the J1772 system.
