New Calculator Tool Provides Return-on-Investment Estimates for Safety Automation. Engineers, plant managers and environmental health and safety (EH&S) professionals now have a tool to calculate the potential annual return they’ll receive if they invest in an integrated safety automation system. Rockwell Automation developed the free Safety Return on Investment (ROI) Tool with J.B. Titus, a machine safety consultant and owner of J.B. Titus & Associates. The new Web-based tool, launched on Nov.