Rockwell-automation 1794-L34 FlexLogix Controller System User Manual Manual do Utilizador descarregar pdf (Página 99)

Publication 1794-UM001G-EN-P - January 2007

Maintain the Battery 99

Use the off-time percentage you calculated with the following table to

determine battery life:

Replacing a Battery

Because the controller uses a lithium battery, you must follow specific

precautions when handling or disposing a battery.

1. Turn off power to the FlexLogix controller.

2. Does the existing battery show signs of leakage or damage?

Worst-case battery life estimate:

Catalog number: Temperature: Power off 100%: Power off 50%: Battery duration after

the LED turns on:

(1)

1794-L34

° C

1.8 years 3.6 years 3 days

° C

6.7 months 1.1 year 3 days

(1)

The battery indicators (BATTERY) warns you when the battery is low. These durations are the amounts of time the battery will retain controller memory from

the time the controller is powered down after the LED first turns on.

IMPORTANT

If the BATTERY LED turns on when you apply power to the

controller, the battery life may be less than the table above

indicates. Some of the warning time may have been used while

the controller was off and unable to turn on the BATTERY LED.

ATTENTION

The controller uses a lithium battery, which contains potentially

dangerous chemicals. Before handling or disposing a battery,

review Guidelines for Handling Lithium Batteries, publication

AG-5.4.

If: Then:

Yes Before handling the battery, review Guidelines for Handling Lithium

Batteries, publication AG-5.4.

No Go to the next step.

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