Allen-Bradley 20-750-S1 PowerFlex 750 Safe Speed Monitor

The 20-750-S1 Safe Speed Monitor is an Allen-Bradley Rockwell Automation option module for PowerFlex 750-Series drives that provides safety-rated monitoring of motor speed to enforce safe operating limits in motion-control systems. This discrete-wire safety card plugs into PF750 drives and implements the Safe Speed Monitor function, with firmware version v1.008 available for the PF750 Safe Speed Monitor. TÜV-certified for functional safety up to SIL CL3 under EN 61800-5-2, EN 61508, and EN 62061, and CE-marked for EU compliance, the 20-750-S1 is designed to help meet safety requirements in safety-critical operations where monitored speed is essential.