EV Charging Knowledge Center

Technical guides about OCPP, CPO operations, smart charging and e-mobility.

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157articles

OCPP

OCPP Guide 39: Security Profiles 1, 2 and 3 — What It Is and How It Works

Practical OCPP guide to Security Profiles 1, 2 and 3, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 38: Basic Authentication — What It Is and How It Works

Practical OCPP guide to Basic Authentication, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 37: OCPP subprotocol: ocpp1.6, ocpp2.0.1, ocpp2.1 — What It Is and How It Works

Practical OCPP guide to OCPP subprotocol: ocpp1.6, ocpp2.0.1, ocpp2.1, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 36: Charge Point ID — What It Is and How It Works

Practical OCPP guide to Charge Point ID, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 35: WebSocket 1001 and 1006 disconnect errors — What It Is and How It Works

Practical OCPP guide to WebSocket 1001 and 1006 disconnect errors, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 34: Charger cannot connect to OCPP server — What It Is and How It Works

Practical OCPP guide to Charger cannot connect to OCPP server, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 33: OCPP server URL / WS-WSS address — What It Is and How It Works

Practical OCPP guide to OCPP server URL / WS-WSS address, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 32: WSS and TLS security — What It Is and How It Works

Practical OCPP guide to WSS and TLS security, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 31: WebSocket connection — What It Is and How It Works

Practical OCPP guide to WebSocket connection, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 30: SoC / State of Charge data — What It Is and How It Works

Practical OCPP guide to SoC / State of Charge data, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 29: SampledData: Energy, Power, Current, Voltage and SoC — What It Is and How It Works

Practical OCPP guide to SampledData: Energy, Power, Current, Voltage and SoC, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 28: ClockAlignedDataInterval — What It Is and How It Works

Practical OCPP guide to ClockAlignedDataInterval, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →