Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 61)

Chapter
Installing and Replacing Components 3
3 -9
To replace the battery:
1. Remove the BASIC module from the I/O chassis. If you need further
instructions to complete this step see page 3 -2.
2. Disassemble the BASIC module. If you need further instructions to
complete this step, see page 3 -3.
ATTENTION: Electrostatic discharge can damage integrated
circuits or semiconductors in the module if you touch backplane
connector pins. Wear a wrist-strap grounding device and use a
static-safe workstation, if available.
3. Remove the battery cover using a small, flat-blade screwdriver.
Screwdriver Slots
Important: Do not bend the
screwdriver too far; otherwise, you
could damage the battery cover.