Beckhoff C6920, Manual

Page: 41 / 52

Maintenance
C6920 41 Version: 3.2
7.2.2 Replacing the battery
NOTE
Incorrect battery type
Inserting the wrong type of battery can damage the device.
• Only replace the battery with a replacement battery from Beckhoff Service.
• When replacing the battery, make sure that the polarity is correct.
NOTE
Battery damage
Incorrect handling of the motherboard battery can damage it.
• Do not recharge the battery.
• Do not throw the battery on the fire.
• Do not open the battery.
• Protect the battery against direct sunlight and moisture.
The Industrial PC does not contain a lithium-ion battery. The motherboard battery is a CR2032 lithium-metal
cell. It is used to supply power to the clock integrated on the motherboard. If the battery is depleted or
missing, the date and time are displayed incorrectly.
Table 15: Technical data of the battery.
Battery type Electrical properties (at 20 °C) Dimensions
Nominal voltage Nominal capac-
ity
Diameter Height Weight
CR2032 3.0 V 225 mAh 20.0 mm 3.20 mm 3.1 g
Chapter 7.2.1 Access to device components [ } 40] shows how to access the battery.
To change the battery, proceed as follows:
1. Pull the battery out of the Industrial PC with needle-nose pliers.
2. Insert the new battery into the PC by hand. Pay attention to the correct polarity. The negative pole of
the battery must face the voltage socket of the industrial PC (see fig. 24).
-
+
Fig. 24: C6920_Battery change
To dispose of the battery, remove it, stick insulating tape over the poles and take it to the local battery
recycling.