Rockwell-automation 1769-L23E-QB1B_L23E-QBFC1B_L23-QBFC1B CompactLogix Instrukcja Użytkownika Pobierz pdf (Strona 238)

238 Publication IASIMP-QS010B-EN-P - October 2009

Chapter 6 Battery Maintenance

Estimate 1769-BA

Battery Life

Certain conditions affect typical battery life. Use this table to estimate your

battery life in varying conditions.

Battery Life Estimation

After the BATT indicator first indicates a low battery, use this table to

determine the amount of time you have until the battery can no longer support

memory in the event of a power loss.

Store Batteries

Additional Resources

For more information, consult Guidelines for Handling Lithium Batteries,

publication AG 5.4

, which comes with your replacement battery.

Controller Power At 25 °C (77 °F) At 40 °C (104 °F) At 60 °C (140 °F)

Always Off 14 months 12 months 9 months

On 8 hours per day, 5 days per

week

18 months 15 months 12 months

On 16 hours per day, 5 days per

week

26 months 22 months 16 months

Always On There is almost no drain on the battery when the controller is always on.

If the temperature is approx. Then change the battery within

60 °C (140 °F) 8 days

25 °C (77 °F) 25 days

ATTENTION

Follow these general rules to store your batteries:

• Store batteries in a cool, dry environment. We recommend 25 °C

(77 °F) with 40…60% relative humidity.

• You may store batteries for up to 30 days between -45…85 °C

(-49...185 °F), such as during transportation.

• To avoid leakage or other hazards, do not store batteries above

60 °C (140 °F) for more than 30 days.

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Rockwell-automation 1769-L23E-QB1B_L23E-QBFC1B_L23-QBFC1B CompactLogix Instrukcja Użytkownika Strona 238