BR-Automation Automation PC 820, User Manual, Page: 197 / 252

Accessories • Replacement CMOS batteries
Chap
ter 6
Accessories
197 Automation PC 820 User's Manual V 1.00
3. Replacement CMOS batteries
The lithium battery is needed for buffering the BIOS CMOS data, the real-time clock (RTC), and
SRAM data.
3.1 Order data
3.2 Technical data
Model number Description Figure
0AC201.91 Lithium batteries, 4 pcs., 3 V / 950 mAh button cell
4A0006.00-000 Lithium battery, 1 piece, 3 V / 950 mAh button cell
Table 162: Order data Lithium batteries
Information:
The following characteristics, features and limit values only apply to this accessory
and can deviate those specified for the entire device. For the entire device where
this accessory is installed, refer to the data provided specifically for the entire
device.
Features 0AC201.91 4A0006.00-000
Capacity 950 mAh
Voltage 3 V
Self discharge at 23°C < 1% per year
Storage time Max. 3 years at 30°C
Environmental characteristics
Storage temperature -20 to +60°C
Relative humidity 0 to 95%, non-condensing
Table 163: Technical data - Lithium batteries