Page 95 - ENGINEERING REVIEW APRIL 2022 DIGITAL MAGAZINE
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TECH INNOVATION
                                                                          #POWER SUPPLY


           loss makes clear that intelligent selection   Power with Communication for   safe equipment availability.
           and dimensioning of power supplies can   Industry 4.0
           also reduce energy costs.          The WAGO Power Supply Pro 2 is     Resource-Efficient Energy Use
                                              structured in such a way that the most   Small but powerful: The difference lies
           The Crucial Difference: the Right   important operating status information   in the details. We can show how with
           Control Cabinet Cooling            can be read off the front, or further   a small example: The typical efficiency
           The higher the power loss is, the more   valuable data can be retrieved through the   of a simple power supply with nominal
           the power supply heats up. That affects   controller. Real-time status information   power of 960 W is 91 %. With the Pro
           the control cabinet air conditioning in   is essential in order to assess situations   2 Power Supply, the efficiency is 96 %.
           particular: The costs for cooling the   in real time and respond deliberately.   At first glance, this five percent doesn’t
           control cabinet increase. Even a couple   Therefore, the WAGO Power Supply Pro   seem like much, but it makes all the
           degrees of extra heat in the control   2 has various functions and components   difference: The superior efficiency of the
           cabinet mean significantly higher energy   that keep the user informed. The LED   Pro 2 Power Supplies eliminates 55 W of
           consumption. Therefore, manufacturers of   bar chart on the front provides a reliable   power loss. Calculated with respect to an
           air conditioners for control                  indication of the current   operating time of five years, this means
           cabinets recommend a                          output power, as well as   significant savings of energy costs and
           temperature of 95 °F (35                      overloads/load reserves.   one metric ton of CO2 at the same time.
           °C). However, if a higher                     Furthermore, the LEDs   For comparison: A 80-year-old beech
           temperature is set, as                        indicate the selected   tree growing 75 feet (23 m) tall can store
           is the case with some                         operating mode, warnings   one metric ton of CO2 – so with several
           automotive industry                           and errors.             hundred power supplies in a production
           users, for example 100                          In terms of data      line, that would already be a whole forest.
           °F (38 °C), the delta of                      collection and read-out of   As you can see, a small difference but a
           five degrees contributes                      status information, the Pro   big effect!
           significantly to reducing                     2 Power Supply can be
           the energy costs and CO2                      connected to a dedicated   Challenging Environmental
           emissions. The control                        communication module    Conditions
           cabinet components                            at any time, allowing   Whether in the arctic or the desert – the
           and the power supplies                        selection of the desired   WAGO Power Supply Pro 2 can be
           must however be appropriate for this.   protocol for coupling to the automation   started and operated from −40 °C to
           The designers need to take the derating   and control level.          +70 °C. Low derating begins > 60°C and
           curves of individual components into                                  allows 70 % output power even in 70°C
           account. But not with the new WAGO Pro   Intelligent Overload Behavior   applications, and even at an elevation of
           2 Power Supplies, which can operated up   Applications with high output   5,000 m above sea level. Furthermore,
           to +140 °F (+60 °C) without derating.   requirements call for professional power   the wiring in the WAGO Power Supply
                                              supplies capable of reliably handling   Pro 2 is very robust against transients.
           Pro 2 – the New Heart of Your      power peaks. The WAGO Power Supply   Overvoltage category III ensures safe
           Control Cabinet                    Pro 2 gives you the power of the possible   operation in power grids with overvoltage
           WAGO’s efficient power supplies    for all projects. Its load management   surges or control cabinets with
           always deliver a constant supply voltage   features corresponding intelligence – after   regenerative drive controllers.
           – whether for simple applications   all, the point is to supply power reliably
           or automation with greater power   to your equipment and protect it at the
           requirements. A high-efficiency design   same time. With TopBoost, PowerBoost
           permits space-saving dimensions; a   and further parameterizable overload
           uniform housing design and a digital   behavior, the WAGO Power Supply Pro
           twin make the implementation very easy.   2 protects your equipment and provides
           Another advantage: Plug-in connections   intelligent current and switching modes.
           enable pre-assembled cabling and faster   150 % PowerBoost and up to 600 %   For more information,
           installation.                      TopBoost are available for reliable, fail-  Website: www.wago.com





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