- Producer: Bühler AG, Switzerland
- Machines: Roastmaster RM20 (Simatic & Playone), RM60, RM120, RM240
- Connection: Siemens S7 network
- Features: logging of burner temperature, bean temperature, afterburner temperature, drum pressure (pa), drum speed (Hz), and airflow (%)
Watch out! Some RM 20 Simatic machines run on a firmware not supporting the fetching of the machine state resulting in a error like
S7 Communication Error: read_area(5,1061,16,2)
For those machines there is a simplified setup namedRM_20_Simatic_Legacy
in Artisan v2.10.6 and newer.