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EV chargers Modbus register maps
Updated 28 October 2026
2 ev chargers register maps from 2 manufacturers: MENNEKES, Siemens.
2 of 2 shown
- EV charger
MENNEKES AMTRON 4You 300 / Compact 2.0s / Start 2.0s (Modbus RTU)
AMTRON 4You 300, Compact 2.0s and Start 2.0s wallboxes with software 2023.21.11024 or later (Modbus register layout v01.03).
Also known as: AMTRON 4You 300, AMTRON 4You 310, AMTRON Compact 2.0s, AMTRON Start 2.0s - EV charger
Siemens VersiCharge AC series wallbox (Modbus map)
VersiCharge AC series chargers with firmware V2.135 or later (per-register minimum firmware is given in the source).
Also known as: VersiCharge, VersiCharge AC
EV chargers: default communication settings
Factory defaults as the manufacturer documents them. Change one setting at a time on site and write down what you changed. Word order applies to 32-bit values; the addressing column says how the manufacturer prints register numbers (every map on this site also gives the 0-based wire address).
| Model | Transport | Unit ID | Serial | Word order | Documented addressing | Registers |
|---|---|---|---|---|---|---|
| AMTRON 4You 300 / Compact 2.0s / Start 2.0s (Modbus RTU) | RTU | 50 | 57600 baud, 8N2 | ABCD | hex 0-based | 51 |
| VersiCharge AC series wallbox (Modbus map) | RTU/TCP | 2 | 38400 baud, 8E1 | ABCD | Modicon | 53 |