Rockwell Automation 2711PC- T6C20D, Руководство пользователя

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76 Publication 2711PC-UM001A-EN-P - March 2009
Chapter 5 Installing and Replacing Components
Replacing the Battery
The lithium battery in the terminals is used by the real-time clock and
static RAM; it is not used for application backup or retention. The
clock module has a life expectancy of two years without power.
The replacement battery is catalog number 2711P-RY2032.
Battery Replacement for the 1000 Terminals
Follow these steps to replace the battery in the 1000 terminal.
1. Disconnect power from the terminal.
2. Place the terminal, display side down, on a flat stable surface.
3. Loosen the six captive screws that attach the logic module to the
display module.
WARNING
When you connect or disconnect the battery an electrical arc
can occur. This could cause an explosion in hazardous location
installations. Be sure that power is removed or the area is
nonhazardous before proceeding. Replace the battery only with
the indicated catalog number.
For safety information on the handling of lithium batteries,
including handling and disposal of leaking batteries, see
Guidelines for Handling Lithium Batteries, publication
AG 5-4 .
This product contains a hermetically sealed lithium battery
which may need to be replaced during the life of the product.
At the end of its life, the battery contained in this product
should be collected separately from any unsorted municipal
waste.
The collection and recycling of batteries helps protect the
environment and contributes to the conservation of natural
resources as valuable materials are recovered.
Captive screws
on top and bottom.
Logic Module