Proface PS4800 - 19 Panel PC" - Manual (Page 188)

Maintenance
188
Lithium Battery
The Industrial Personal Computer contains one battery, for backing up the real-time
clock (RTC).
NOTE: The following characteristics, features and limits only apply to this accessory
and can deviate from those specified for the entire device. For the device where this
accessory is installed, refer to the data provided specifically for the device.
Replacing the Lithium Battery
NOTE:
 The product design allows you to change the battery with the Industrial Personal
Computer either on or off.
 Saved settings will be restored when changing the battery with the power turned
off (as the settings are stored in non-volatile EEPROM). However, the date and
time must be reset because this data is lost when changing the battery.
 Only qualified personnel can change the battery.
Features Values
Capacity 950 mAh
Voltage 3 Vdc
Self Discharge at 23
C (73.4 F)
< 1% per year
Storage Time Maximum 3 years at 30
C (86 F)
Environmental Characteristics
Storage Temperature – 20...60
C (– 4...140 F)
Relative Humidity 0...95% non-condensing
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
Read and understand the safety information in the Regular Cleaning and
Maintenance section (see page 185) before attempting this procedure.
Failure to follow these instructions will result in death or serious injury.
DANGER
EXPLOSION, FIRE, OR CHEMICAL HAZARD
 Replace battery with identical type.
 Follow all battery manufacturer’s instructions.
 Do not recharge, disassemble, heat above 100
C (212 F), or incinerate.
 Use your hands or insulated tools to remove or replace the battery.
 Maintain proper polarity when inserting and connecting a new battery.
 Remove all replaceable batteries before discarding the Industrial Personal
Computer.
 Recycle or properly dispose of used batteries.
Failure to follow these instructions will result in death or serious injury.