Battery - B&R Automation PC 3100 User Manual

Technical data

4.6.9 Battery

The lithium battery (3 V, 950 mAh) ensures retention of the internal real-time clock (RTC). It is located above the
power and reset button behind the orange cover. The self-discharge time of the battery is at least 4 years.
battery is subject to wear and should be replaced regularly (at least after the specified service life) by changing
the battery (see "Changing the battery" on page
Type Renata 3 V, 950 mAh
Removable Yes, accessible from the outside
Service life 4 years
Order number Short description
Batteries
0AC201.91 Lithium batteries, 4 pcs., 3 V / 950 mAh, button cell
4A0006.00-000 Lithium battery, 1 pc., 3 V / 950 mAh, button cell
1) At 50°C, 8.5 µA for the components being supplied and self-discharge of 40%. If an interface option with SRAM or POWERLINK is installed, the service
life is 2½ years.
The battery state is determined by the system immediately after the device is switched on and subsequently every
24 hours. During the measurement, the battery is subjected to a brief load (approx. 1 second) and then assessed.
The determined battery state is displayed on the BIOS Setup screens (Advanced - OEM features -
page 148) and in the ADI Control Center but can also be read out in a customer application via the ADI library.
Battery state Explanation
N/A The hardware or firmware used is too old and does not support readout.
GOOD Data retention is ensured.
BAD As soon as the battery capacity is recognized as BAD (insufficient), retention of data is ensured for approximately another 500
hours. The battery must be replaced.
When changing the battery, data is retained for approximately 10 minutes by a gold foil capacitor.
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Battery
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Automation PC 3100 User's manual V 2.10
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