Riello UPS

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Multi I/O
Multi I/O is a network card that integrates UPS monitoring by enabling you to manage 8 serial inputs and 8 clean contact relay outputs. Monitor the status of your UPS from 3 separate serial lines. Suitable for situations where you need several serial connections to carry out multiple polling of your UPS. Communicates using RS232 serial connection. Also allows for monitoring via RS485 serial link using Modbus/Jbus protocols.
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When would I need a Generator?
Generators are usually used where there is likelihood that the load cannot be off for any length of time or in areas where the mains supply is less than reliable. Life critical systems always demand long-term support and large computer or data installations, relating to telecoms, call centres and financial institutions usually have similar needs. Any company that will suffer significantly from long-term power outages would benefit from a generator installation. If being used to support a...
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Events

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Considerations when choosing a UPS and Generator combination?
It is usually beneficial to deal with one supplier for both items as this eliminates the potential conflict if the equipment does not work well together. Typical problems are related to input harmonics, load acceptance, poor frequency regulation, voltage intolerance and poor response times.
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Newsletter
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Why install a Bypass Isolation Transformer?
When generators are installed, it is common to use four pole changeover switchgear or contactors when transferring from mains to generator, resulting in the traditional neutral-earth reference being lost during transition. This can cause the phase voltages to rise alarmingly and any sensitive single phase loads could be damaged. By adding a bypass isolation transformer it allows the electrical contractor to earth the UPS output neutral, thereby eliminating this problem. Single phase bypass...
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What is a Brownout?
A brownout, sometimes also called a ‘sag’, is a "dip" in the voltage level of the electrical line. When a brownout occurs, the voltage drops from its normal level to a lower voltage and then returns. UPS systems can handle a reduction in the nominal voltage due to it’s input voltage window. If the voltage falls outside this window the battery can take over without any disturbance to the load. Brownouts are extremely common and can sometimes be detected by...
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What is a Blackout?
A blackout is when the power totally fails. The damage that a blackout causes to your system depends a great deal on its timing. If the system is idle when the power goes out, probably nothing will be wrong with the system when the power comes back on. However, if the power fails whilst writing data to a disk you're likely to have a problem. Also the power doesn't fail cleanly, but with spikes and jitters both when it ends and when it comes back on. Some systems survive the power...
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PowerShield³
Riello UPS’s bespoke UPS management tool PowerShield³ is perfect for efficiently overseeing multi-platform networks. Free version supports a single UPS, but upgrade to the full edition and you can interact with up to 32 UPS. Compatible with virtually any operating system and also suitable for use on virtualised networks. Enables easy system shutdown along with advanced monitoring and system diagnostics, while you can also automate tasks to enhance system reliability and...
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How can I remotely monitor my UPS system?
There are two ways in which you can monitor your UPS remotely. One option is to install a wall mounted Remote Panel (MultiPanel) that connects to the UPS to a serial port on the UPS and offers the advantage of full digital metering (available for all UPS models - 400 m cable max and required 230 Vac UPS backed mains supply). The panel incorporate a multi function audible alarm with mute facilities and lamp test. The alternative option is to utilise the computer network with our NetMAN...
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Contacts
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How Does Temperature Affect Batteries?
High ambient temperature is the most important factor that influences UPS battery ageing and can cause premature battery failure. Higher temperatures mean a faster chemical reaction inside the battery, which increases water loss and corrosion. Valve Regulated Lead-Acid (VRLA) batteries have a rated design life capacity based on an optimum operating temperature of 20-25°C. For every 10°C constant increase in temperature above this recommendation, it is generally accepted...
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Addresses and contacts

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MultiPanel
Easy to use remote monitoring display and control panel that provides a detailed and real-time overview of the current UPS operating status and measurements such as mains power, output load, and battery level. Communicates with the UPS via a serial port connection and cable. Comes with a handy support stand so it can sit safely and securely on a tabletop. Large LCD Display MultiPanel features a sizeable, intuitive LCD display and control panel showing constantly updating,...
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What Is An 'Offline' UPS?
Offline UPS - also referred to as VFD (Voltage and Frequency Dependent) or Standby UPS - offer the most basic level of power protection. When mains supply is present, the UPS output is supplied via a built-in EMI/RFI filter which provides the load with protection from spikes and transients by clamping peak voltage to pre-defined levels. When the mains supply fails or fluctuates outside of the UPS's operating window, a relay connects the load to the inverter output (resulting...
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What Is Battery Impedance Testing?
Impedance testing for batteries is a non-intrusive way of preventing battery failure by identifying early signs of weakness or general deterioration in individual cells. An AC current is applied to each battery through probes attached to the block terminals, with the internal impedance measured and recorded in milliohms. This broadly indicates the general condition the batteries are in, without placing any undue...
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What’s The Difference Between A Central Power Supply System And A UPS?
Central Power Supply Systems (CPSS) are a specific type of standby power solution used with emergency and safety-related applications such as lighting, alarms and security systems. Also known as Central Supply Systems (CSS), they share many of the design and operational features of a typical online UPS. To be classified as a CPSS, the product must meet the strict criteria outlined in EN 50171 for use with essential...
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Brand Values
INNOVATION THE SECRET OF AN ALL-ITALIAN SUCCESS STORY Riello UPS offers a vast range of products, organised into 23 ranges of uninterruptible power supplies (UPS ), based on several different state-of-the-art technological architectures. Thanks to its two research centres in Legnago (Verona) and Cormano (Milan), world-class examples of excellence for the design, development and testing of uninterruptible power supplies, Riello UPS can constantly innovate its product portfolio,...
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How Do I Size A UPS Correctly?
There are several factors that influence sizing a UPS system, including the combined load of all the equipment the UPS will protect, scope for further system expansion, battery runtime and redundancy. As well as choosing the right UPS topology, correctly sizing an uninterruptible power supply is crucial – undersizing inevitably causes immediate problems, while initial oversizing will waste energy, money and valuable floor...
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Technology and R&D
INNOVATION: THE PRIMARY OBJECTIVE OF RESEARCH AND DEVELOPMENT CENTRES. Through continuous investment in Research and Development, RIELLO UPS delivers leading-edge power solutions. The RIELLO UPS Research Centre, opened in 2003 at the Legnago site, is divided into three distinct areas to support an intensive development program: Design area - where new UPS products are initiated and designed; Experimental area - where laboratories with sophisticated test and measuring equipment...
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