Lumel P30U series - Alarm and Power Outputs

55
55
5.5.3. Alarm and power outputs
 TheP30Utransducerisequippedwith2relayalarmoutputs
withanormallyopencontactorwith1relayoutputwithanormallyopen
contact and 1 power supply output 24 V d.c. (depending on the ma-
nufacturingvariantcode).Eachalarm(powersupplyoutput24Vd.c.
should be treated similarly to the alarm) can operate in one of six
modes. Fig. 17 shows alarm operation in the following modes: n-on,
n-off, on, off. Two remaining modes: h-on i h-off mean, respectively,
alwaysonandalwaysoff.Thesemodesareintendedformanualsimu-
lationofalarmstates.
 In case of the transducer variant with 24 V d.c. output,
the second alarm mode should be set  to
h-on
, in such a case,
theauxiliarypowersupplyoutputwillbeconstantlyswitchedon.
Alarm
state
off
on
Controlling value
Alarm
state
Controlling value
on
off