6-8
OP37/Pro Equipment Manual
Release 7/98
6.4
Backup Battery
The backup battery ensures that the hardware clock continues to run when the
power supply is turned off.
The OP uses a lithium battery. It is fitted when the unit is supplied and under
normal operating conditions has a typical service life of about 5 years.
New batteries should be obtained from the Siemens spare parts service. They
are supplied ready to fit (with cable and connector).
When handling lithium batteries you should observe the following precautions:
!
Warning
If not handled properly, lithium batteries can explode.
Batteries should never
–
be charged
–
be opened
–
be short circuited
–
have their poles reversed
–
be heated to over 100
°
C
–
be exposed to direct sunlight for long periods.
You should not allow condensation to form on batteries.
If you have to transport the batteries, the hazardous good transport regula-
tions for the relevant mode of transport must be observed (goods subject to
identification).
Function
Battery life
Battery suppliers
Safety precautions
Servicing/Maintenance
Содержание SIMATIC HMI OP37/Pro
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