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Connect to a Network
The computers connect to an Ethernet network by using twisted-pair Ethernet cabling with
RJ45 connectors.
To prevent performance degradation of Ethernet communication, do not subject the computer
IMPORTANT
or cables to extreme radiation or conducted high-frequency noise.
Proper cable routing and power conditioning is required for reliable Ethernet communication in
an industrial environment. Rockwell Automation recommends that you route all Ethernet
cabling through dedicated metal conduits. Installing ferrite bead filters at the cable ends can
also improve reliability.
Replace the RTC Battery
The computers use nonvolatile memory that require a battery to retain system information when
power is removed. The 3V, 200 mAh lithium battery is on the system board.
750R and 1450R
The battery life depends on the amount of time the computer is powered on.
Estimated Battery Life Span
On-time
0 hr/wk
40 hr/wk
80 hr/wk
If the computer does not display the correct time and date, replace the battery.
650R
Battery
Expected Battery Life
4 yr
5.5 yr
7 yr
Rockwell Automation Publication 6177R-IN001G-EN-P - July 2013
Industrial Non-display Computers 17
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