Latest articles on Smile Tina Eden

Dynamic signals in machine safety means cost savings to machine builders

(19/05/2008)

It has been common practice in the machine building industry to use a two channel switching method in order to achieve a high safety performance. This means that two different supply sources are generated from a control unit such as a safety relay and these sources are connected to a field device and fed back to the control unit for monitoring. The control unit will monitor for symptoms such as short circuit or if one supply source is removed i.e. an open circuit as well as the safety device... [more]

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