Loop powered analog output sensor for PLC, DCS, stand-alone controllers
4B Components' Milli-Speed switch is a loop powered 4-20 mA analog output speed switch designed for PLC, DCS, or stand-alone controllers and can detect belt slip, belt underspeed, stop motion, low speed, or zero speed on rotating machines.
4B Components' Milli-Speed switch is a loop powered 4-20 mA analog output speed switch designed for programmable logic controllers (PLCs), distributed control systems (DCSs), or stand-alone controllers. The switch is designed to detect belt slip, belt underspeed, stop motion, low speed, or zero speed on rotating machines. An inductive sensing device located in the nose of the Milli-Speed enclosure can detect a ferrous metal target such as an existing bolt head or device attached to a shaft, The Milli-Speed is set to the machine's normal running speed by simple magnetic calibration during installation. The 4-20 mA output signal is automatically scaled for zero to full speed with over speed detection. Additionally, 4B's SpeedMaster can be used with the Milli-Speed to test the functionality after the initial installation and during routine maintenance procedures.
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