Chapter 7 Exclusive Functions for iS7 Inverter Control/Monitoring
7-7
(8) Battery Housing
1) Battery specification
Coin-type, lithium ion battery (Type: CR2032).
2) Service life of battery
A new battery (capacity 220mAh, at 20℃) can supply power to this product for about 4 years without
external power supply. When the external power supply is ON, the battery is not discharged.
3) Data maintained by battery power during external power failure
- all the data in the latch area set up by KGLWIN
- clock data (internal RTC)
4) Battery discharge check
Turn on the power of this product. Go to No. 73 (Real Time) in the CNF group of the iS7 inverter using
the loader of the iS7. If the present time is “2000/01/01 00:00,” the battery needs to be replaced.
The same will be displayed at power turn OFF/ON if no battery is installed.
5) Battery replacement
- Turn the power supply of the iS7 inverter to OFF.
- Remove iS7 inverter cover. Remove the cover of this product, too.
- Remove discharged battery carefully.
- Insert a new battery and push it down with a thumb.
- Turn on the power of the iS7 inverter.
- Connect CON1 with the RS232C cable. In the KGLWIN menu, select “Online Æ Write Data Æ Clock
Data.” Enter present time and check that the time displayed on the CNF73(Real Time) is correct.
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