Safety combination has four sensor inputs
A
Siemens Automation and Drives product story
Edited by the Engineeringtalk editorial team
May 19, 2004
A novel multifunctional safety combination provides increased protection of operators and machines.
Siemens Automation and Drives is offering a new product for the protection of operators and machines, launching the multifunctional safety combination 3TK2845 from the Siguard range.
It has four sensor inputs, for example an emergency stop, protective door monitoring, cascading and keyswitch, as well as two instantaneous safe relay and electrical outputs (Stop Cat 0).
Siemens is also offering a version with two instantaneous outputs (Stop Cat 0) along with two outputs that have a time-delay of up to 300s (Stop Cat 1).
The new product from the Siguard range is mainly used on production islands (without networking) where an emergency stop function and a protective function, such as light arrays or protective doors, are implemented simultaneously.
Depending on the external wiring, the multifunctional device in a 45mm enclosure complies with Category 4 to EN954-1 and SIL 3 (Safety Integrity Level) to IEC61508.
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