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System Manual
C79000-G8576-C199-06
!
Caution
Ensure correct polarity when inserting the battery or applying backup
voltage.
!
Warning
Risk of danger to persons and property, danger of giving off harmful
substances.
If handled incorrectly, a lithium battery can explode. If disposed of
incorrectly, old lithium batteries can release harmful substances. You must
therefore observe the following guidelines:
S
Do not throw new or discharged batteries onto a fire and do not solder
onto the body of the cell (max. temperature 100
°
C (212
°
F)). Do not
recharge them. Order your replacement battery from Siemens only (for
order number see ordering instructions). This ensures that you only use a
short-circuit-
protected type.
S
The lithium battery is subject to regulations for hazardous materials. You
should observe these regulations when you shipthe battery, for example,
by using the original packaging. Used batteries should be returned to the
manufacturer or a recycling station if possible or disposed of as
hazardous waste. The guidelines for transporting hazardous materials
should be observed.
The expected service life of the fans (see Technical Specifications) depends
on their operating time, ambient temperature and ambient conditions. In the
event of fan failure during operation, subsequent damage to modules, for
example, is avoided by the activated fan monitor (jumper F-R closed); the
power supply unit is switched off.
In individual cases, a preventive replacement of fans at suitable intervals may
be advisable. Proceed as follows to replace the fans:
Step
Action
1
Disconnect power from the power supply.
2
Remove the power supply.
3
Slacken the fixing screws of the fans.
4
Pull off the plug-in contacts of the fan supply.
5
Connect the plug-in contacts of the new fans.
6
Tighten the fixing screws of the fans.
7
Refit the power supply.
8
Switch the power supply on.
The order numbers for the backup battery and fan unit can be found in the
ordering information.
Replacing the
Fans
Central Controllers and Expansion Units Power Supply Units
Содержание S5-135U
Страница 10: ...x SystemManual C79000 G8576 C199 06 Contents ...
Страница 18: ...1 8 SystemManual C79000 G8576 C199 06 Notes on Using this Manual and on the CE Symbol ...
Страница 26: ...2 8 SystemManual C79000 G8576 C199 06 Centralized and Distributed Configuration of a Programmable Controller ...
Страница 66: ...3 40 SystemManual C79000 G8576 C199 06 Installation Guidelines ...
Страница 496: ...9 114 SystemManual C79000 G8576 C199 06 Analog Input Output Modules ...
Страница 536: ...11 24 SystemManual C79000 G8576 C199 06 Connector Assignments ...
Страница 558: ...Index 8 SystemManual C79000 G8576 C199 06 Index ...