Operation
52
EDS460-490_D00085_01_M_XXEN/02.2016
1.Response value
An alarm is output when the measured value reaches the response value. Re-
sponse ranges:
EDS460/4902…10 mA
EDS461/4910.2…1 mA
Please also heed the characteristics for a reliable response on Seite 74.
2.CT
Set the transformer type.
W/WR Bender standard measuring current transformers, circular and rectan-
gular W… and WR… series designs.
WS Split-core type WS… series measuring current transformers.
off measuring channel is deactivated
The following measuring current transformer types can be used:
EDS460, EDS490: W…, WR…, WS…
EDS461, EDS491: W…/8000, WS…/8000
3.Response delay T(on)
This is the response delay before the alarm is activated. This time delay is ne-
cessary in cases where the monitored system is subject to interference. The
duration of a locating current pulse cycle is 6 seconds. Consequently, the res-
ponse delay can only be adjusted in increments of 6 seconds.
0s EDS4.0: An alarm is triggered when the second locating current pul-
se is detected.
EDS4.1: Three locating current pulses must be detected before an
alarm is triggered.
6s EDS4.0: Three locating current pulses must be detected before an
alarm is triggered.
EDS4.1: Four locating current pulses must be detected before an
alarm is triggered.
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