Operation
48
6.6.3.1
Settings menu 1: General
Use this menu to make settings that apply to the whole device and
therefore to all channels.
1.Fault memory
Faults that only occur temporarily can be saved.
ON
After the cause of fault has been eliminated, all alarm
messages remain saved until a RESET is carried out. This
function relates to alarm and device error messages.
OFF
EDS... exits the alarm status as soon as the cause of the
error is eliminated.
2.Trigger
The IRDH575 / PGH... test current pulse is synchronized with the EDS...
measurement technique. The EDS... is told when to expect a test current
pulse. This means that test current pulses can still be reliably detected
in the event of interference. Sources for interference include, for exam-
ple, variable-speed drives, power converters, actuators, suppressor fil-
ters, PLCs or control electronics.
Select:
Com
Synchronization via BMS bus. The EDS... will begin
searching for insulation faults as soon as insulation fault
location is started. It knows when to expect the test cur-
rent pulse. Insulation fault location is performed more
quickly than with the "auto" setting.
auto
No synchronization (e.g. if there is no BMS bus). The
EDS searches continually for insulation faults.
3.Rated frequency
Select the rated frequency of the monitored system. This must be set
correctly, otherwise the EDS... will not be able to evaluate the test cur-
rent pulse accurately.
Configurable values: DC, 50 Hz, 60 Hz, 400 Hz.
Summary of Contents for EDS460
Page 20: ...System description 20 TGH1394en 05 2007...
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