Bender ISOMETER IRDH575 Manual page 65

Operation and setting
ResVal
Use this menu option to set the response values of the EDS device to be para-
meterized. This applies to:
EDS460 / EDS490: 2...10 mA in 1 mA steps, factory setting = 5 mA
 
EDS461 / EDS491: 200...1000 µA in 1 µA steps, factory setting = 500 µA
 
CT: W/WR
Select the measuring current transformer type to be used from the list below:
W/WR = circular or rectangular measuring current transformer =
 
factory setting
WS = split-core current transformer
 
off = channel switched off
 
T(on)
Use this menu option to set a response delay of 0...24 s for the selected
EDS4...;
Factory setting = 0 s.
T(off)
Use this menu option to set a delay on release of 0...24 s for the EDS4...;
Factory setting = 6 s.
CT monitor
To enable or disable the CT monitoring. That enables the EDS... to check the
proper connection of the respective measuring current transformer. After the
test, this will be indicated on the display as described in "Chapter 6.7.4 EDS
Test". Faults are indicated by the "Alarm 1" LED. In position "off", this function
is deactivated.
Factory setting = on.
Inverter
Use this menu option to adapt a selected channel of the EDS46... /49... to a
circuit comprising a frequency converter; Factory setting = off.
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