Electronics / PLC-15118
ISO 15118 communication module
An add-on for the smart charger: HomePlug GreenPHY on the control pilot for ISO 15118 digital communication with the vehicle. With 15118-20 vehicles it shows the state of charge while charging on AC and identifies the vehicle for authorisation. Expensive, on request; V2G under investigation.
- Part number
PLC-15118- Status
- Implemented, on order
- Price
- on request (expensive)
Specifications
| Specification | Value |
|---|---|
| Function | ISO 15118 digital communication over the control pilot (HomePlug GreenPHY), next to the IEC 61851 PWM signalling |
| State of charge on AC | Available with ISO 15118-20 vehicles; -2 vehicles do not report SoC on AC |
| Vehicle identification | EVCCID at SLAC, or the vehicle certificate with Plug & Charge; usable for card-less authorisation and billing |
| Fallback | Analog IEC 61851 per ISO 15118-3 when the vehicle does not speak 15118 |
| V2G / bidirectional | Under investigation. Needs a bidirectional on-board charger in the vehicle, a grid-code path for feed-in and 15118-20 bidirectional power transfer. Nothing claimed until investigated. |
| Plug & Charge | Needs a certificate backend (CPO / PKI); to be confirmed |
Interfaces: Control pilot PLC (HomePlug GreenPHY), connection to the charge controller
Standards: ISO 15118-2, ISO 15118-3, ISO 15118-20. Status of each on the standards page.
Why it exists
Two things a plain Mode 3 charger cannot do: know how full the battery is, and know which car is plugged in. With ISO 15118 on the pilot, both become possible, and a charger can start for a known vehicle without a card and stop when the battery is at the level the user asked for.
Status
A working design on the roadmap, delivered as a product when a customer orders it. Price on request; it is the most expensive option on the charger. V2G is a separate investigation, technical and regulatory, and is not part of this module today.
Questions
Which vehicles report state of charge on AC?
Only vehicles with ISO 15118-20. Older vehicles with -2 or without digital communication do not. Ask for the current list before you promise SoC to a customer.