Penko Engineering in Veenendaal, NL, supplies weighing instruments for the processing industry and the machine builders for the processing industry. The built up is modular. The selected configuration allows building a system completely centralised, centralised/decentralised or completely decentralised. It starts with a compact controller, 4 outputs and 8 inputs. The limit is sixty weighers with 2.640 inputs or outputs. The software possesses similar characteristics.