The system can be integrated with existing hard-wired emergency stop systems for assembly lines and other production systems, allowing an individual or group of operators to shut down a production line immediately without having to run to a hard-wired e-stop station. This is especially useful where the closest machine-mounted e-stop could be in the same danger zone created by the emergency, or when rushing to the next available e-stop can also be a hazard and add precious seconds — if not minutes — to an emergency’s response time. This SIL 3-rated wireless personal safety solution features continuous status indicators with LED and LCD displays; an EtherNet/IP port on the Machine Safety Device (MSD) can be used to fully report the status of actuated wireless E-Stops to operations personnel. Up to five Personal Safety Devices (PSDs) can be simultaneously linked to the MSD, which permits multiple operators to work independently or collaboratively to oversee an operation or solve a problem. If an E-Stop on any of the linked PSDs is activated, the MSD commands a stop. All PSDs are immediately notified of the “stop” condition, the machine is shut down, and the system identifies the PSD responsible for the stop. The PSDs have visual and haptic (vibration) warning systems for conditions such as low battery and low RF signal designed to allow workers to move about the area (within a 100 m line-of-sight range of the MSD).
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