EV Charging Knowledge Center

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

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157articles

OCPP

OCPP Guide 51: TransactionEvent: Started, Updated, Ended — What It Is and How It Works

Practical OCPP guide to TransactionEvent: Started, Updated, Ended, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 50: EVSE vs Connector — What It Is and How It Works

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

2026-10-02Read more →

OCPP

OCPP Guide 49: ConnectorId 0 — What It Is and How It Works

Practical OCPP guide to ConnectorId 0, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 48: Remote Trigger and TriggerMessage — What It Is and How It Works

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

2026-10-02Read more →

OCPP

OCPP Guide 47: Reservation: ReserveNow and CancelReservation — What It Is and How It Works

Practical OCPP guide to Reservation: ReserveNow and CancelReservation, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 46: AllowOfflineTxForUnknownId — What It Is and How It Works

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

2026-10-02Read more →

OCPP

OCPP Guide 45: LocalAuthorizeOffline — What It Is and How It Works

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

2026-10-02Read more →

OCPP

OCPP Guide 44: Authorization Cache — What It Is and How It Works

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

2026-10-02Read more →

OCPP

OCPP Guide 43: Local Auth List — What It Is and How It Works

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

2026-10-02Read more →

OCPP

OCPP Guide 42: Diagnostics / GetDiagnostics — What It Is and How It Works

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

2026-10-02Read more →

OCPP

OCPP Guide 41: Firmware Update / UpdateFirmware — What It Is and How It Works

Practical OCPP guide to Firmware Update / UpdateFirmware, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →

OCPP

OCPP Guide 40: Certificate management and client certificates — What It Is and How It Works

Practical OCPP guide to Certificate management and client certificates, covering protocol versions, field behaviour, security, troubleshooting, logs and operator checks.

2026-10-02Read more →