The Allen-Bradley®
Guardmaster® MinotaurTM MSR57P dedicated safe-speed monitoring relay is a
first-of-its-kind safety relay - designed to allow personnel to enter hazardous
areas while motion is present. The device supports numerous input devices such
as E-stops, light curtains, enabling switches and interlock switches, which
detect demands on the safety system and initiate a stop request of the motion.
It also monitors personnel in the hazardous area while the machine is in a
safe-speed condition. Designed for easier integration, flexibility and
performance, the Guardmaster MSR57P relay monitors the speed of the motion
via one or two encoders, depending on the level of integrity required. If an
encoder already is installed in the system, the Guardmaster MSR57P relay
can monitor the same signals without requiring another encoder to be installed.
Users can configure the safety relay with either the Allen-Bradley
DriveExplorerTM software or a human interface module (HIM device), using a
variety of parameters to help meet specific application requirements, including
safe direction, safe limited speed, and safe maximum speed with door control
and monitoring. The integration of this level of functionality into such a compact
solution is unprecedented. The
Guardmaster MSR57P relay allows manufacturers to employ the most current safety
strategies by providing the ability to reduce the risk of personnel injury well
below tolerable levels without requiring a complete shutdown. For example, it can help
increase productivity by unlocking doors automatically when the speed of the
machine is below a safe-speed limit or zero speed is detected. The
Guardmaster MSR57P relay is ideal for new and existing installations, and
is suitable for a variety of applications, including automotive and tire
manufacturing, printing machines, ski lifts and amusement rides.
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