APPENDIX
App. - 13
App. 4.6.2 Parts having service lives
Service life of the following parts is listed below. However, the service life varies depending on operation
and environment. If any fault is found in the parts, they must be replaced immediately regardless of their
service life. For parts replacement, please contact your local sales office.
Number of power-on,
forced stop and PC or PLC...etc forced stop times: 100 000
times
Number of on and off for STO: 1,000,000 times
10,000 hours to 30,000 hours (2 years to 3 years) (Note 4)
Battery backup time (Note 1)
Approximately 20,000 hours (equipment power supply: off,
ambient temperature: 20 °C)
5 years from date of manufacture
The time is for using LEC-MR-BAT6V1SET. For details and other battery backup time, refer to chapter 12.2.
Quality of the batteries degrades by the storage condition. The battery life is 5 years from the production date regardless of
the connection status.
The characteristic of smoothing capacitor is deteriorated due to ripple currents, etc. The life of the capacitor greatly depends
on ambient temperature and operating conditions. The capacitor will be the end of its life in 10 years of continuous operation
in air-conditioned environment (ambient temperature of 40 °C or less.
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