Momentum Modbus Plus 170 PNT Series Guide de l'utilisateur Page 83

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Assembling TSX Momentum Components
870 USE 101 00 V.2.2
71
Section 3.3
Installing Batteries in an Option Adapter
Installation Guidelines
Why Install
Batteries?
If you are using a Momentum Option Adapter in your CPU assembly, you have a
battery-backup capability. The batteries will maintain user logic, state RAM values
and the time-of-day clock in the event that the CPU loses power.
What Kind of
Batteries?
Two AAA alkaline batteries can be installed in the compartment on the side of the
Option Adapter. A set of batteries is supplied with the module (not installed).
Installing
Batteries
When installing the batteries, observe correct polarity, as indicated on the
compartment door.
Continued on next page
ELECTRONIC CIRCUITRY EXPOSED
When the battery door is open, electronic circuitry is exposed. Follow proper ESD
measures while handling the equipment during battery maintenance.
Failure to observe this precaution can result in injury or equipment damage.
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