Battery Compartment - B&R Automation PC 2200 User Manual

Technical data

2.2.6.12 Battery compartment

The battery compartment consists of the battery holder and the battery.
The lithium battery (3 V, 1000 mAh) ensures backup power to the internal real-time clock (RTC). It is located on the
underside of the device behind the gray cover. The self-discharge time of the battery is at least 8 years (at 50°C,
6 μA for the components being supplied). The battery is subject to wear and should be replaced regularly (at least
after the specified service life) by changing the battery (see
Model number Short description
Accessories
5ACCBT01.0000-001 Battery compartment - Dark gray - Includes battery - For
APC2200/PPC2200
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 in BIOS (see
(ADI driver) 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), the battery compartment must be replaced.
As soon as the battery capacity is recognized as insufficient, the battery compartment must be replaced.
To avoid data loss during battery replacement, data is retained by a capacitor for approx. 2 minutes.
46
"Changing the battery" on page
Table 33: Battery compartment
"Baseboard" on page
Table 34: Explanation of battery state
Automation PC 2200 User's manual V 1.05 Translation of the original documentation
218).
Figure
147) and the B&R Control Center