B&R Industries Automation PC 620, User Manual

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Technical data • Entire device
Chapter 2
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89 Automation PC 620 User's Manual V 1.90
2.9.18 Battery
The lithium battery (3 V, 950 mAh) buffers the internal real-time clock (RTC) as well as the
individually saved BIOS settings and is located behind the black cover. The buffer duration of the
battery is at least 4 years (at 50°C, 8.5 mA current requirements of the supplied components and
a self discharge of 40%).
For more on changing the lithium battery, see Chapter 7 "Maintenance / Servicing", Section
"Changing the battery" on page 441.
Battery
Battery
Type
Removable
Lifespan Renata 950 mAh
Yes, accessible from the outside
4 years at 25 °C
Accessories Short description
0AC201.9 Lithium batteries (5x)
Lithium batteries, 5 pcs., 3 V /
950 mAh, button cell
4A0006.00-000 Lithium battery (1x)
Lithium battery, 1 pc., 3 V / 950 mAh,
button cell
Table 45: Technical data - battery