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9.6 Protecting against longer power failures
SITOP PSU100S
66
Operating Instructions, 02.2013, C98130-A7589-A1-3-7629
9.6
Protecting against longer power failures
Sudden and longer failures of the line supply voltage can result in undefined states and
significant danger as a result of the associated failure of the plant or system control. The
SITOP power supply product portfolio includes various DC-UPS solutions to prevent the
failure of the 24 V power supply voltage.
Power supply failures up into the minutes range can be buffered using the maintenance-free
SITOP UPS500 DC-UPS modules based on capacitors (Figure 9-6 24 V buffering to allow
the saving of process data and controlled shutdown of PCs (Page 66)).
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Figure 9-6
24 V buffering to allow the saving of process data and controlled shutdown of PCs
Содержание SITOP PSU100S
Страница 8: ...Safety instructions SITOP PSU100S 8 Operating Instructions 02 2013 C98130 A7589 A1 3 7629 ...
Страница 38: ...Installation 5 2 Output side connection SITOP PSU100S 38 Operating Instructions 02 2013 C98130 A7589 A1 3 7629 ...
Страница 54: ...Technical data 6 8 Dimension drawing SITOP PSU100S 54 Operating Instructions 02 2013 C98130 A7589 A1 3 7629 ...
Страница 70: ...Environment SITOP PSU100S 70 Operating Instructions 02 2013 C98130 A7589 A1 3 7629 ...