Bender ISOMETER iso1685DP-425 Manual page 17
Insulation monitoring device for unearthed ac, ac/dc and dc power supplies it systems
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Also See for ISOMETER iso1685DP-425:
- Manual (57 pages) ,
- Quick start manual (8 pages) ,
- Manual (56 pages)
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Function
3.5.2
Automatic self test
All supply voltages are continuously monitored. The following tests are continuously carried
out in the background:
•
E-KE connection
•
Temperature monitoring of coupling and locating current injector
A self test is automatically run at 24-hour intervals.
During the automatic self test, the alarm relays K1 (11-12-14) and K2 (21-22-24) are not swit-
ched. K3 will not be switched either.
3.5.3
Manual self test
The self test is started via the TEST button of the ISOMETER®.
The following tests are only carried out in the manual self test mode:
•
Internal flash
•
CPU register
•
Watchdogs
•
Oscillator
•
Restart of the device including re-initialisation and recalibration
•
Connection monitoring system
During the manual self test, all alarm relays are switched.
isoxx1685Dx-x25_D00272_07_M_XXEN/09.2022
17
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