KROHNE Summit 8800 Vol 1 - Manual (Page 30)

30 www.krohne.com 08/2013 - MA SUMMIT 8800 Vol1 R02 en
SUMMIT 8800 INSTALLATION AND REPLACEMENT 04
4 0V 0V Auxiliary output supply
5 0V 0V Auxiliary output supply
6 0V 0V Auxiliary output supply
CHASSIS EARTH SCREW TERMINAL
Earth stud terminal M4
Figure 12 Power & M4 earth connections
4 .2 .5 Back Up Battery
The SUMMIT 8800 contains a backup battery on the auxiliary card, this battery keeps the real
time clock and internal totals when DC power to the unit is disconnected. Replacement of this
battery should only be carried out by qualified personnel.
If the SUMMIT 8800 is kept continuously powered, the back-up battery estimated life is 10 years.
If the SUMMIT 8800 is powered down for periods exceeding 30 days, the battery should be re-
moved and stored separately. The battery needs to be replaced when its service life exceeds 10
years or when it has been left in an un-powered unit for a time period of greater than 2 months.
A “BAD” battery condition is indicated via the Windows software.
When a “BAD” battery condition is indicated via the Windows software or on the front panel: