Speed sensor and safety controller

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Rockwell Automation has released the intelligent Allen-Bradley Guardmaster MSR57P speed monitoring safety relay. Claimed to be the first of its kind on the market, this unit provides a complete solution to monitor all motion for small to mid-size machines and provide appropriate safety control.

This effectively combines the functionality of a speed-sensing module with a configurable safety controller. The MSR57P is suitable for safety applications where access is required to guarded areas, under defined and controlled conditions, while a machine is still running. Able to monitor up to two encoders and five dual-channel safety sensors, the MSR57P supports a wide range of safety modes and is suited to safety applications up to SIL3 and Cat4.

The MSR57P will prove particularly useful in the web-process industry - including steel coil, paper, plastic, printing and film manufacturing applications - where there is an ongoing requirement to gain access while a machine is moving for thread-up, adjustment or other purposes.