Tofflon focuses on the research and development of front-end technology in pharmaceutical and medical industry. In the field of disinfection, they are committed to air surface disinfection, infection control, terminal disinfection and multi drug resistant bacteria disinfection, provide overall environmental disinfection solutions for hospitals, pharmaceutical factories, biological laboratories, centers for disease control, universities, public transportation, etc. 

Tofflon's requirements for the project were the following:   

• A flexible control technology is needed to meet the needs of various controls. 
• An accurate measurement of the desinfectant weight
•  A reliable and smooth operation is one of the prior demands 

• Tofflon uses  Siemens SIMATIC S7-1200 PLC to meet customers' flexible needs 
• The weighing process is controlled via a SIWAREX WP231 weighing module, which is seamlessly connected via CPU 
• The weighing itself take place by a SIWAREX WL260 single point load cell, its C3 accuracy class ensures accurate measurement

Shanghai - Tofflon desinfection robots in use against COVID-19