Safety switches preserve productivity
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Rockwell Automation - Allen-Bradley Guardmaster product story
Edited by the Engineeringtalk editorial team
Jul 17, 2008
The SensaGuard will shut down a machine if a failure occurs before there is a demand on the safety device, which improves machine operator safety.
The Allen-Bradley SensaGuard family of RFID-coded, noncontact switches from Rockwell Automation provide protection while preserving productivity and flexibility.
SensaGuard improves safety and helps reduce troubleshooting time and machine wiring costs.
SensaGuard noncontact safety switches are Category 4/SIL-3 rated switches and are TUV functional safety approved to IEC61508.
The SensaGuard will shut down a machine if a failure occurs before there is a demand on the safety device, which improves machine operator safety.
SensaGuard is suited to machines where multiple access doors must be monitored up to a Safety Category 4/SIL3.
In addition, SensaGuard does not need a dedicated controller, allowing system designers to use one relay to support the entire safety system, including light curtains, e-stops and noncontact switches.
Switches can be connected to a standard safety relay, such as the MSR126, MSR127, MSR200/300 Family, SmartGuard and safety I/O blocks.
This feature helps reduce machine wiring costs.
SensaGuard also contains built-in diagnostic capabilities.
Green LED lights let operators know a machine is running safely.
If a failure occurs, the unit LED blinks red, alerting operators directly to the problem switch and helps to reduce troubleshooting and maintenance time.
SensaGuard offers a large sensing range and tolerance to misalignment.
It also features a variety of package styles, including tubular and can be mounted with a standard bracket, which offers designers convenience and flexibility.
SensaGuard is ideally suited for a wide range of industrial-safety applications in all manufacturing markets, including those that use high-pressure wash downs, such as automotive, food, beverage, packaging and material handling.
SensaGuard is IP69K-rated and also offers short-circuit and overvoltage protection.
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