Rockford Systems LLC unveiled Protector Series light curtains for safeguarding personnel near industrial machinery with the potential to cause injury. The light curtains feature bi-color alignment indicators, simplified resolution settings, automatic diagnostics, remote fixed blanking and can be interconnected in a cascading configuration. The can also provide for hassle-free installations that eliminate software, DIP switches and expensive components from the process. Brackets and connecting cables are all included as a kitted solution for faster, more cost-effective light curtain installations.