The commissioning assistant is an easy-to-use tool for commissioning and maintenance personnel from the field of measurement and control technology. The following unit signals / scales can be used for calculations of measuring circuits: "0. 20 mA", "0. 25 mA", "4. 20 mA", "20. 0 mA", "20. 4 mA". "0. 2 volts", "0. 5 volts", "1. 5 volts", "0.