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Wind positioning with relay outputs on ship loader / unloader

Process indicators along with two relay outputs , and an anemometer are installed to measure position of wind. They have precise control, giving optimum productivity and maintaining safety. Monitors speed safely in accordance with SIL3/PLe.

Home  Case Studies Wind positioning with relay outputs on ship loader / unloader

Wind positioning with relay outputs on ship loader / unloader

Home    Case Studies    Pilger mill in tube rolling mills – hot and cold pipe detection

Pilger mill in tube rolling mills - hot and cold pipe detection

Speed monitors enable safe monitoring in accordance with SIL3/PLe. These safety relays have 2 synchronous relays and 4×2 control outputs. The speed monitors can work with both digital and SinCos signal

Challenges

Precise control for machines running at optimum productivity.

Strike a balance between productivity and safety.

Solution

Process indicators equipped with two relay outputs can be used with an anemometer as a wind warning device.

Multiple solutions for wind monitoring are possible.

Simple monitoring of the wind speed
Basic wind speed monitoring can be achieved by connecting a process Indicator with two 16 bit Analog Inputs to an anemometer with an analog output. Alternatively a digital indicator is required to work with an anemometer with frequency output.

Safe operation of the wind speed
Better operating safety can be achieved by the parallel operation of two analog or two digital indicators. If a cable break occurs, the second signal path remains intact and continues to reliably monitor the wind speed.

Maximum security of monitoring wind speed.
even greater security of the monitoring is possible by connecting a digital and analog anemometer + process indicator.
With an analog anemometer connected to a digital indicator and a digital anemometer connected to a digital indicator, a wide range of measurement approaches are possible resulting in limited error margins.

 

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