The SensaGuard family of RFID-coded, non-contact switches helps reduce machine and wiring costs and offers extended diagnostics for easier troubleshooting.
The switches are Category 4/SIL 3 rated per EN954-1 and TÜV functional safety approved to IEC61508. Unlike lower-rated switches, these will shut down a machine if a failure occurs before there is a demand on the safety device, says the vendor. The switches are suited for machines where multiple access doors must be monitored up to a Safety Category 4/SIL 3, and contain built-in diagnostic capabilities. The switches do not need a dedicated controller, allowing system designers to use one relay to support the entire safety system, including light curtains, e-stops and non-contact switches. Switches can be connected to a standard safety relay, such as the MSR126, MSR127, MSR200/300 Family, SmartGuard and safety I/O blocks.Rockwell Automation Inc.www.rockwellautomation.com800.223.5354, Ext 2005
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George Reed, with the help of Factory Technologies, was looking to further automate the processes at its quarries and make Ignition an organization-wide standard.
