16 Advanced functions
16.11 Activation of a binary output as alarm output
FLUXUS G801
2020-06-26, UMFLUXUS_G801V1-0EN
140
16.11.2 Setting the limits
If the switching condition
MIN
or
MAX
is selected in the scroll list
func
, the limit of the output has to be defined:
• Select the physical quantity to be used for the comparison in the scroll list
Input
. The following list items are available
for the alarm output R1:
– selected physical quantity
– signal amplitude
– sound speed of the fluid
• Press ENTER.
For the alarm outputs R2 and R3 the current physical quantity is set automatically.
If the switching condition
MAX
is selected in the scroll list
func
:
• Enter the upper limit.
• Press ENTER.
The alarm will switch if the measured value exceeds the limit.
Tab. 16.2: Alarm properties
alarm property
setting
description
func
(switching condition)
MAX
The alarm will switch if the measured value exceeds the upper limit.
MIN
The alarm will switch if the measured value falls below the lower limit.
+→- -→+
The alarm will switch if the flow direction changes (sign change of measured value).
QUANT.
The alarm will switch if totalizing is activated and the totalizer reaches the limit.
ERROR
The alarm will switch if a measurement is not possible.
OFF
The alarm is switched off.
typ
(holding behavior)
NON-HOLD
If the switching condition is no longer true, the alarm will return to the idle state after
approx. 1 s.
HOLD
The alarm remains activated even if the switching condition is no longer true.
mode
(switching function)
NO Cont.
The alarm is energized if the switching condition is true and de-energized if idle.
NC Cont.
The alarm is de-energized if the switching condition is true and energized if idle.
Notice!
If no measurement is made, all alarms will be de-energized, independently of the programmed switching function.
R1 Input\Mass Flow
R1 Input\Function: MAX\High Limit
