The modular DC UPS system UPSI from Bicker Elektronik (Donauwoerth/Germany), ensures the uninterruptible 12V and 24V DC power supply and thus the fail-safe availability of process-relevant systems and components. The UPSI system provides effective protection against power outages, flicker, fluctuations or voltage dips in the DC power supply, eliminating costly plant or system downtime. The compact DIN rail version UPSI-XXXXD with robust aluminum housing is equipped with an universal DIN rail mounting system for quick and flexible installation in control cabinets. Separate DIN rail energy storage units with particularly long-lasting and safe LiFePO4 battery cells (lithium iron phosphate) as well as absolutely maintenance-free Supercaps (ultracapacitors) are available. The UPSI system features low total cost of ownership (TCO) and high levels of safety and longevity due to the use of latest energy storage technologies. The uninterruptible DC power solution provides optimal protection for a wide range of applications, such as monitoring and controls technology, automation, Industry 4.0 / IIoT, motor drives, sensors, camera and security systems, industrial PCs, gateways and more.

Intelligent charging and control units UPSI-XXXXD (DIN rail)
Into the compact control and charging modules Bicker UPSI-1208D (12VDC) and Bicker UPSI-2406D (24VDC), a bidirectional buck-boost converter was implemented as a central element for the charging and discharging process of the connected energy packs to ensure a very efficient and safe operation. In order to use the UPSI system with different battery chemistries, three charging methods with individual end-of-charge voltage adjustments are implemented: Constant Current, Constant Voltage and Constant Power.
The charging and control module is connected to the respective energy storage via two lines. In addition to the energy transmission line (BAT PWR), all relevant operating data of the energy storage device are continuously monitored and controlled on the data line (BAT DATA) via I2C interface. When changing the energy storage, which is possible even during operation (hot-swapping), a battery type ID authentication is performed so that the appropriate charging and discharging parameters can be automatically set on the DC-UPS. The intelligent PowerSharing function on the input side ensures that the upstream AC/DC power supply does not have to be oversized, but the input power is kept constant and distributed accordingly to load and charger. In other words, with low load at the output, more energy flows into the charger and vice versa.

Bicker BP-SUC-D: Absolutely maintenance-free Supercap energy storage
In the area of short and medium bridging times, absolutely maintenance-free Supercaps (ultracapacitors) are highly efficient and very durable energy storage devices with more than 500,000 charging and discharging cycles. Unlike batteries, which store energy by the detour of a chemical reaction, Supercaps are based on electrophysical principles and are loaded and ready for use within a very short time. Energy storage with supercapacitors convince with high current carrying capacity, power density and reliability. The Bicker BP-SUC-D energy storage units have an integrated control and protection circuit as well as a Connect / Disconnect Power function and work in the extended temperature range.

Bicker BP-LFP-D: Lithium iron phosphate (LiFePO4) – the particularly safe and durable lithium-ion battery technology
For longer bridging times, lithium-ion technology with high energy density is ideal. When choosing a Li-ion energy storage for DC UPS systems, however, it is advisable to take a closer look at the cathode material used. Especially in cells with chemically and thermally unstable cathode material such as lithium-cobalt-oxide (LCO) or lithium-nickel-manganese-cobalt-oxide (NMC), in-cell exothermic chemical reactions can occur under certain conditions which ultimately result in an uncontrollable "thermal runaway". For this reason, Bicker Elektronik decided to use lithium iron phosphate (LiFePO4) for the cathode material which, compared to LCO / NMC, has a much more stable chemical compound with increased safety and around ten times higher cycle stability (6,000 charging and discharging cycles). The high-quality Bicker BP-LFP-D battery packs also have an integrated high-performance battery management system (BMS) to optimize lifetime and safety. The BMS monitors and controls the complete charging and discharging process of each battery cell of the energy storage. The integrated cell balancing ensures a balanced and uniform charge of all cells, so that the full capacity of the lithium-ion battery pack remains permanently usable.

Battery Relax mode extends the life of lithium-ion batteries
With the Battery Relax mode, Bicker Elektronik addresses the problem that in many DC UPS systems the battery pack is often operated for a very long time (possibly for months) to end-of-charge voltage on the charger, in order to guarantee full UPS readiness at any time. However, when lithium-ion cells remain in the end-of-charge state for such a long period of time, the lifetime of cells decreases sharply after a few months.
To protect the cells, it is therefore necessary that after a defined time the charging MOSFET is deactivated at end-of-charge. The discharge MOSFET remains active, so that a discharge is possible at any time. When discharge is detected (UPS operation after power failure), the previously deactivated charge MOSFET is immediately reconnected, so that the current flow through the body diode lasts only a few microseconds and the charger returns to the regular operating mode. Protecting the battery pack by the Relax Mode results in a significantly longer lifetime and thus an increased system availability.

Minimum load detection
The minimum load detection of the UPSI control unit monitors in backup mode (battery mode) the output load supplied from the energy storage system. If the load at the output falls below a certain threshold, the energy storage is automatically disconnected from the UPSI charging and control unit, so that the energy storage is not unnecessarily emptied by the DC UPS electronics.

Reboot function for PC-based systems
For PC-based controllers and computer systems, the integrated reboot function automatically restarts the PC system after a shutdown and a recurring supply voltage without the intervention of a service employee being necessary. In addition, a battery start function allows to manually activate the (separated) energy storage and thus initially start the system out of the battery, for example to carry out a diagnosis.

Interfaces and UPS software
For data communication with controllers or PC-based systems, USB and RS232 interfaces are available. With aid of the HID Battery Parameter Software, monitoring and settings can be comfortably made on the DC UPS. In addition, a comprehensive instruction set enables the direct readout of sensor values ​​and the setting of parameters. The software HID-Battery-Parameter is available on the manufacturer’s website www.bicker.de for free download.

Long-term availability and value-added services
Bicker Elektronik grants a three-year warranty on the DC UPS system UPSI, as well as a long-term availability of at least 5 years. In addition, Bicker Elektronik offers comprehensive value added services, especially for system developers. These include personal on-site consulting during the design-in process by experienced sales engineers and subsequent project support by the sales, development and service team of Bicker Elektronik. As part of the Power+Board program, customers of Bicker Elektronik also receive tested and perfectly matched bundles of industrial-quality PSU / UPS, mainboard and accessories. On request, the specialists from Bicker Elektronik realize customer-specific and special solutions and also offer extensive laboratory and measuring services for complete customer systems.

Charging and control unit Bicker UPSI-XXXXD (DIN rail)

Bicker UPSI-1208D 12VDC / 8 A:
https://www.bicker.de/index.php/eng/Products/UPS-systems/DC-UPS/UPSI-1208D

Bicker UPSI-2406D 24VDC / 6 A:
https://www.bicker.de/index.php/eng/Products/UPS-systems/DC-UPS/UPSI-2406D

Supercap energy storage Bicker BP-SUC-D (DIN rail)

Bicker BP-SUC-1011D (for 12V DC-USV) with 1.8 kJ (useful 1.1 kJ):
https://www.bicker.de/index.php/eng/Products/UPS-systems/DC-UPS/BP-SUC-1011D

Bicker BP-SUC-1020D (for 12V DC-USV) with 3.6 kJ (useful 2 kJ):
https://www.bicker.de/index.php/eng/Products/UPS-systems/DC-UPS/BP-SUC-2120D

Bicker BP-SUC-1615D (for 24V DC-USV) with 2.7 kJ (useful 1.5 kJ):
https://www.bicker.de/index.php/eng/Products/UPS-systems/DC-UPS/BP-SUC-1615D

Bicker BP-SUC-2120D (for 24V DC-USV) with 3.6 kJ (useful 2 kJ):
https://www.bicker.de/index.php/eng/Products/UPS-systems/DC-UPS/BP-SUC-2120D

LiFePO4 energy storage Bicker BP-LFP-D (DIN rail)

Bicker BP-LFP-1025D (for 12V-DC-USV) with 25 Wh:
https://www.bicker.de/index.php/eng/Products/UPS-systems/DC-UPS/BP-LFP-1025D

Bicker BP-LFP-1325D (for 24V-DC-USV) with 33 Wh:
https://www.bicker.de/index.php/eng/Products/UPS-systems/DC-UPS/BP-LFP-1325D

Über die Bicker Elektronik GmbH

Founded in 1994, Bicker Elektronik GmbH develops, manufactures and distributes power supplies, UPS systems and system components. The company is TÜV certified according to ISO 9001: 2015 and focuses with its product portfolio on high-quality power solutions and system components for the areas of industrial automation, medical technology, transport, maritime, communication and information systems as well as infotainment and gaming. The PowerSolutions division includes not only power supplies in the classic sense, but also encapsulated power modules, DC/DC converters, DIN rail power supplies and uninterruptible power supplies (UPS) with DC or AC input. The power range of these products is between 3 W and 10,000 W. The product portfolio of Bicker Elektronik is rounded off by suitable industrial mainboards of the manufacturers Fujitsu, ASRock, Perfectron and Avalue as part of the Power+Board program. In addition to the documented lab tests of the power supply + mainboard bundles, the Power+Board services also include personal on-site consulting, product presentation, design-in support, tailor-made system solutions for industrial and medical technology, training and competent technical support. In addition, Bicker Elektronik offers suitable processors, memory, expansion cards and mass storage in industrial quality. This means that all core components can be conveniently accessed from a single source.

Firmenkontakt und Herausgeber der Meldung:

Bicker Elektronik GmbH
Ludwig-Auer-Straße 23
86609 Donauwörth
Telefon: +49 (906) 70595-0
Telefax: +49 (906) 70595-55
http://www.bicker.de

Ansprechpartner:
MarCom / Marketing & Kommunikation
Telefon: +49 (906) 70595-37
Fax: +49 (906) 70595-55
E-Mail: marketing@bicker.de
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