Rockwell Automation 6189V-xxxx Non-display Industrial Computers User Manual - Manual (Page 44)

44 Rockwell Automation Publication 6177R-UM002D-EN-P - October 2014
Chapter 4 Component Replacement
6. Reinstall the computer cover as detailed in Reinstall the Cover on page 39 .
7. Follow the steps for Post-configuration on page 37 .
Replace the RTC Battery The computers use nonvolatile memory that
requires an RTC battery to retain system
information when power is disconnected. The
3V, 600 mAh, CR2450 cell lithium battery is
on the motherboard.
The battery must be replaced during the life
of the computer. Battery life depends on the
amount of time the computer is on, or
on-time.
Table 1 - Battery Estimated Life Span
If the computer does not retain the correct time and date, replace the battery.
Follow these steps to replace the RTC battery.
1. Follow the steps for Pre-configuration on page 36 .
2. Remove the computer cover as detailed in Remove the Cover on page 38 .
3. For 750R computers, lay the computer on its side (components showing).
On-time (hrs/wk) Estimated Battery Life Span (yrs)
0 4
40 5.5
80 7
ATTENTION: A risk of fire and chemical burn exists if the battery is not handled
properly.
• Do not disassemble, crush, puncture, or short external contacts.
• Do not expose the battery to temperatures higher than the rated temperature
ranges in Table 8 on page 93 .
• Do not dispose of a used battery in water or fire.
For safety information on how to handle lithium batteries, see Guidelines for
Handling Lithium Batteries, publication
AG-5.4 .