About the battery, Hardware/software compatibility – Rockwell Automation 1756-NEX Nexus Module User Manual
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1-4 About the 1756-CLX/C Module
Publication 1756-UM524B-EN-P - December 2008
About the Battery
The 1756-CLX/C module uses a rechargeable lithium vanadium pentoxide battery, which,
when fully charged, provides backup power for the SRAM memory for approximately 21
days. The module must be powered for approximately 20 hours before the battery
becomes fully charged. The battery is not accessible, and should last for the life of the
module.
Hardware/Software Compatibility
The 1756-CLX/C module is compatible with the following firmware versions and
software releases. Contact Rockwell Automation if you need software or firmware
upgrades to use this equipment.
ATTENTION
The lithium battery is not user-replaceable. Do not attempt to access or
replace it. Lithium batteries can be hazardous to humans and the
environment, and should always be handled and disposed of properly.
Product
Firmware version/software release
ControlLogix Controller
7.09 or higher
RSLogix5000 Software
7.02 or higher