B&R 5PC600.SE00-00, Руководство пользователя

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Maintenance / Servicing • Changing the battery
Section 7
Ma
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nanc
e /
Servic
ing
493 Automation PC 620 with 945GME N270 CPU board User's Manual V 1.10
Chapter 7 • Maintenance / Servicing
The following chapter describes service/maintenance work which can be carried out by a trained,
qualified user.
1. Changing the battery
The lithium battery buffers the internal real-time clock (RTC) and the CMOS data. The buffer
duration of the battery is at least 4 years (2 1/2 years with the SRAM module model number
5AC600.SRAM-00 and at 50°C, 8.5 mA current requirements of the supplied components and a
self discharge of 40%).
The following replacement lithium batteries are available: 4A0006.00-000 (single) and
0AC201.91 (4 pcs.).
Information:
• The product design allows the battery to be changed with the APC620
switched either on or off. In some countries, safety regulations do not allow
batteries to be changed while the module is switched on.
• Any BIOS settings that have been made will remain when the battery is
changed with the power turned off (stored in non-volatile EEPROM). The date
and time must be reset later because this data is lost when the battery is
changed.
• The battery should only be changed by qualified personnel.