Feature: Software
Software confusion Our experience with a range of industries has shown us why traditional surge suppressors are not adequate to protect microprocessor-based equipment. For example, one popular carbonated beverage producer in Lima, Peru, approached us after its newly-installed labelling machine randomly affixed labels upside down. We installed SineTamer surge protection devices to see if it was a transient issue, despite believing that it was not. We followed up a few weeks later and the company reported no further issues. We realised that companies were not solving these issues alone
because of traditional equipment. Early metal-oxide varistor (MOV) or diode-based surge protection devices cannot remedy false zero crossings because they were not designed to detect 700V spikes within the envelope of the sine wave. If a typical MOV-based device is injected with a 1000V transient at 270 degrees, it will exceed the peak of the sine wave by around 700V. Similarly, if zero volts are injected it will exceed the trough by 700V. Another client was experiencing two to three stoppages per
month in their product-fi lling machines. T is was caused by soſt ware confusion in the PLCs that resulted in at least an hour of downtime per shiſt . During the two years since installing SineTamer,
Our experience with a range of industries has shown us why traditional surge suppressors are no longer suffi cient to protect microprocessor-based equipment
only one stop occurred on that line, which was determined to be unrelated to power quality. T e company was able to see a return on investment on lost production in just 28 days. Eff ective 21st-century surge protection must be upgraded
not only to secure the basic electrical infrastructure but more importantly to reduce or even eliminate soſt ware confusion. With frequency attenuation we can now radically reduce and practically eliminate false zero crossings. As the sine wave is processed and the information goes into the microprocessor, it is pure and clean. Investing time in developing a preventive maintenance
strategy can prevent electrical disturbances from negatively impacting productivity.
QPX750SP
COMPACT, FLEXIBLE LABORATORY POWER SUPPLY
PowerFlex+
www.aimtti.com EW-APR21-AIM
TTI.indd 1 14/04/2021 10:44
www.electronicsworld.co.uk April 2021 35
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44
