B&R 5PC600.SE00-00, User Manual

Page: 418 / 594

418
Accessories • Replacement CMOS batteries
Automation PC 620 with 945GME N270 CPU board User's Manual V 1.10
4. Replacement CMOS batteries
The lithium battery is needed for buffering the BIOS CMOS data, the real-time clock, and SRAM
data. The battery is subject to wear and should be replaced regularly (at least following the
specified buffer duration).
4.1 Order data
4.2 Technical data
Model number Description Figure
0AC201.91 Lithium batteries, 5 pcs., 3 V / 950 mAh button cell
4A0006.00-000 Lithium battery, 1 piece, 3 V / 950 mAh button cell
Table 284: Order data - Lithium batteries
Warning!
Replace battery with Renata, type CR2477N only. Use of another battery may
present a risk of fire or explosion.
Battery may explode if mistreated. Do not recharge, disassemble or dispose of in
fire.
Information:
The following characteristics, features and limit values only apply to this accessory
and can deviate from 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
Table 285: Technical data - Lithium batteries