17 Advanced functions
FLUXUS F60*
17.12 Behavior of the alarm outputs
171
UMFLUXUS_F60xV5-0EN, 2017-10-16
Alarm outputs with the switching condition
QUANT.
will be activated if the limit is reached.
Alarm outputs with the switching condition
ERROR
will only be activated after several un-
successful measuring attempts. Therefore, typical short-term disturbances of the mea-
surement (e.g., switching on of a pump) will not activate the alarm.
Alarm outputs with the switching condition
+
→
- -
→
+
and the type
NON-HOLD
will be acti-
vated with each change of the flow direction for approx. 1 s, see Fig. 17.1.
Alarm outputs with the switching condition
+
→
- -
→
+
and of the type
HOLD
will be activat-
ed after the first change of the flow direction. They can be switched back by pressing key
C 3 times, see Fig. 17.1.
When adjusting to changed measurement conditions e.g, a substantial increase of the
fluid temperature, the alarm will not be switched. Alarm outputs with the switching condi-
tion
OFF
will be set automatically to the switching function
NO Cont.
.
The alarm state can be displayed after the configuration of the alarm outputs and during
the measurement. This function is activated in
Special Funct.\SYSTEM set-
tings\Dialogs/Menus
. The activation of this function is recommended when alarm
outputs have to be reconfigured frequently.
Fig. 17.1:
Behavior of a relay when the flow direction changes
Notice!
There is neither a visual nor an acoustic indication of the alarm output switching.
0
0
+
-
+
-
flow
flow
type
NON-HOLD
type
HOLD
approx. 1 s
reset of the alarm
(3 times key C)