System description
16
EDS460-490_D00085_01_M_XXEN/02.2016
3.2.2 Test cycle
The duration of a locating current pulse cycle is 6 seconds. The IRDH575 or
PGH… alternatively sends positive or negative locating current pulses. The
test cycle of the IRDH575 or PGH… is shown in different switch positions
(1,2,3) in the block diagram below, („Block diagram EDS system“ on page 15).
EDS start
Position
PGH...
12331
2 sec
4 sec
2 sec
4 sec