Non contact safety sensors

Non-contact safety sensors STR 1 - Sick

A wealth of experience opens up a new dimension for safety switches: The STR 1 is the new star of the switching universe!

Traveling to a new galaxy demands thorough preparation and extensive planning. The objective has been set: To discover a transponder safety switch with exceptional performance.

The equipment is on board: Over 50 years of experience in the field of safety sensors, an established product range backed up by a worldwide service network, and Sick’s quality guarantee as a market leader. The result: the STR1. Mission accomplished!
 
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Non-contact safety switches – Sick

Stricter safety regulations and the need for tamper-proof safety at work make modern safety switches indispensable in machine building. Non-contact safety switches from Sick can be used for the safe monitoring of movable guards as well as for position monitoring.
The choice among three operating principles (magnetic, transponder and inductive) and different designs allow the selection of the solution that best fits the application requirements and the one that is most efficient.

Magnetic safety switches:
The use of magnetic safety switches is an advantage in areas with high contamination or strict hygiene regulations. In applications where precise guiding of the protective device is difficult, magnetic safety switches from Sick are the right choice.

Transponder safety switches:
Transponder safety switches are used in applications which require a protection against tampering. The saved actuator code is the same as the safety switch code, ensuring protection against tampering. Transponder safety switches also have a high response range, this offers advantages during installation and increases the availability during machine’s life.

Inductive safety switches:
Inductive safety switches are used for non-contact and wear-free position detection. They do not require a special counterpart but detect metal such as VA or ST37. In comparison with electro-mechanical position switches, inductive safety switches have a wide response range and are therefore not affected by mounting tolerances, which simplifies installation and adjustment.
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TR4 Direct transponder safety switches – Sick

Non-contact safety switches with high level of prevention against tampering  

Transponder safety switches are used in applications where a high level of prevention against tampering is essential. The safety switch determines which actuator code to use and will not engage unless the proper actuator code is read. The safety switches have a wide response range, which is highly beneficial for mounting and considerably reduces machine downtime. Some safety switches are extremely small and have a central evaluation unit in the control cabinet, while others have an integrated evaluation unit with an LED status indicator. Various versions, including multicode and unicode variants, enable connectivity of up to 30 safety switches.
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