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Power Supply / UPS
3 Detailed Description
3.1 Power Supply / UPS
The CB3263 needs an external power supply of 24V (will tolerate 20V-30V). It is also used for charging
any UPS device that may be present. This UPS device is either capacitor-based or connected externally
as a Pb-battery pack. With a UPS installed and charged, the module can stay operational even when a
power failure occurs. A capacitor-based UPS can keep the board alive only for a few seconds while a
Pb-battery typically allows for several minutes of continued operation. The exact amount of time is hard to
predict as it also depends on factors such as the UPS' charge level at the time of the power failure,
CPU/chipset power consumption etc. Generally, a Pb-battery needs a much longer time to reach full
charge level compared to a capacitor-based UPS.
3.2 SUPS
Optionally the CB3263 can be equipped with a plug-in SUPS, which can keep the board alive over a short
period of time in case of power failure or voltage fluctuation. The exact amount of time is hard to predict
as it also depends on factors such as the SUPS' capacitors and the boards' power consumption etc. The
capacitors size is only limited by the required space.
3.3 CPU
The motherboard employs an Intel® Atom™ processor of the E3800 family, which is a system-on-chip
(SoC) being optimized for low power consumption, while at the same time providing state-of-the-art
computing performance.
The processors include a second level cache of 512 KByte. They also offer many features known from
the desktop range such as MMX2, serial number, loadable microcode etc.
The Atom™ CPU operates in an extended range of thermal conditions and therefore is capable for use in
industrial systems.
3.4 Memory
The CB3263 is equipped with two SO-DIMM204 sockets for DDR3L-1333-RAM. For technical and
mechanical reasons it is possible that particular memory modules cannot be employed. Please ask your
distributor for recommended memory modules.
With currently available SO-DIMM204 modules a memory extension up to 16 GByte is possible -
depending on the variants components. Product variants with Intel® Atom processors E3815 or E3825
provide only one memory socket. Therefore with those variants a memory extension is possible only up to
8 GByte.
If both memory sockets are in use, notice that you must use identical memory modules.
Please notice, that if only one memory socket shall be used, this one must be the memory socket U500
(which is the lower one).
3.5 M.2
Depending on the type of card, add-in cards, which comply with the M.2 specification, come in a very
small format and with flexible dimensions. Different key IDs support different interfaces, as there are up to
four PCI Express lanes, SATA and/or USB3.0 (see table below).
M.2 cards can be easily inserted: just plug them into the slot and fix it with a fixing screw.
Cards of different types have different keyings. Depending on the supported type, one port can receive
add-in cards of one ore various types.
Beckhoff New Automation Technology CB3263-xxxx
Chapter: Detailed Description
page 15
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