OCPP 1.6J

Charge Point Simulator

Browser-based CP simulator. Connect to your CSMS and run real OCPP 1.6J workflows — all client-side, no installs.

10 CP→CSMS sends 19 CSMS→CP handled 100% client-side

Connection settings

CSMS WebSocket URL

Simulator appends /{ChargePointID} automatically.

Charge Point ID

Unique identifier for this charge point.

Connector count

IDs start at 1; 0 is system-only.

Vendor

Used in BootNotification.

Model

Used in BootNotification.

Firmware version

Heartbeat (sec)

MeterValues (sec)

Pending CALL timeout (sec)

Max wait for CALLRESULT / CALLERROR.

Default idTag

Auto-reconnect on disconnect

Max attempts

Exponential backoff: 2s, 4s, 6s… up to 30s.

Disconnected

idTag override (optional)

Duration (sec)

MeterValues count

Boot → Authorize → Start → N×MeterValues → Stop

No connector data yet.

No pending calls.

No metrics yet.

Sends any JSON array directly over the WebSocket — use to test edge cases or malformed payloads.

No messages yet — connect to a CSMS to start logging.

No completed sessions yet.