Datcon DT9502, Operating Instructions Manual

Page: 82 / 92

DT9502
82
20171205-V3
The limit output may work in Alarm mode too. This mode is
switched ON by the

parameter. According to the
default factory setting it is switched off (

). When the
Alarm mode is ON (

), the limit output switches on when
it has to switch on according to the measured and displayed
physical value, but it will not switch off even if the value
changes so that it should cause it to switch off. The output
can be switched off by pressing the
ENTER button only
(acknowledgement).
Alarm mode
Of course, if the condition that causes the output to switch
on persists, the limit output will switch on again when the
ENTER button is released.
(Similary to working of fire-alarm gear generates fire alarm.
Not suffice to definitive liquidation receipt signal alarming,
but must liquidate fire, generative cause.
After switching on the instrument
After switching on the instrument the limit outputs are
disabled as long as it performs at least three measurements
necessary for a complete averaging. This takes a few
seconds maximum. In this way can be avoid false signalling
due to transients that may appear in the measuring loop.