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Safety Control Unit Offers Flexibility of Parameter Selection

Mon, 01/24/2011 - 11:48am
safety control unitThe eloFlex safety system from elobau has been designed for flexibility of parameter selection for logic control of sensor inputs and relay outputs. The type of sensor can be freely chosen for each of the four inputs on the control unit. The user can choose between normally-open/normally-open sensors and emergency-stop types, as well as the normally-open/normally-closed input type. In the latter case, the order in which the two contacts are actuated is not taken into account. In addition, operation as two-hand safety control can be selected for two-sensor inputs. The monitoring of 24V PNP outputs, such as is standard for safety light curtains, is also possible. The control unit has four outputs where one or more of the four input sensors can be assigned via a freely selectable logic gate (AND, OR, NAND, NOR, XOR and XNOR). A delay time of between 0 and 99.9 s can be set in 100 ms steps for each safety output. In addition, there is an output for error messages available that can be linked to an SPLC (as an example). Separate inputs are available for monitoring external gates. There is a choice of SIL 2 and SIL 3 (Safety Integrity Levels in accordance with EN 62061) for all types. UL/ETL approval is available.

elobau sensor technology, Inc.
847-672-7515, www.elobau-st.com
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