Allen-Bradley ControlNet PLC-5 User Manual page 20

1-6 Installing Your ControlNet PLC-5 Processor
Install or Replace the Battery
1785-UM022B-EN-P - February 2002
A 3.0 volt lithium battery (cat. no. 1770-XYC) is included with your
processor.
If the LED on the front of the processor indicates BATT, it means that
the battery must be replaced. You must use an exact replacement
battery (cat. no. 1770-XYC).
Lithium battery requirements:
ATTENTION
• do not short, recharge, heat above 85° C,
disassemble or expose contents to water
!
• use only the 1770-XYC battery in the processor.
DO NOT use any other type or size of battery.
Important: In non-hazardous environments, it may be possible to
replace the battery while the processor is powered so that your
programs are maintained in memory. You may lose your programs if
you remove the battery when power is removed.
When you connect or disconnect the battery, an
WARNING
electrical arc can occur. This could cause an
explosion in hazardous location installations. Be sure
!
that power is removed or the area is nonhazardous
before proceeding.
• For safety information on the handling of lithium
batteries, including handling and disposal of
leaking batteries, refer to Guidelines for Handling
Lithium Batteries, publication AG-5.4
• Store batteries in a cool, dry environment. We
recommend 25° C with 40% or 60% relative
humidity. You may store batteries up to 30 days
between -45° - 85° C, such as during
transportation. To avoid possible leakage, do not
store batteries above 60° C for more than 30 days.