Tinkerforge Warp2 charger - Modbus link

I’m still new to HA, but I have included several devices yet such as the SAM PV and IDM heat pump (via Modbus). For doing that I copied code from other guys who did it before, but for the Warp charger I don’t find a blueprint.
Modbus is activated in the charger and there’s also a register table available, but the charging power is still “unavailable” - the sensor does not work.
I don’t know what I’m doing wrong, here is my code snippet for the sensor:

  • name: “warp”
    type: tcp
    port: 502
    • name: “ladeleistung”
      unique_id: “warp_ladeleistung”
      unit_of_measurement: W

      slave: 3

      address: 2002

      count: 2

      data_type: float

As I don’t know what slave and count mean (taken over from other entities) I’ve tried it with or without uncommenting those - no change.
Does anyone have an idea?