OPERATING INSTRUCTIONS | DOSIC
®
8020955/11HD / 2018-12-12| SICK AG
Subject to change without notice
29
7
COMMISSIONING
State of channel Mapping of
QxStat
Empty behavior System state
Qx state
(normally open, as
long as no other
failure is present)
Empty
Failure
ZeroFlow
Ok
Low
Empty
Failure
Failure
Fail
High
7.5.5
Configure reverse flow direction
If the measurement medium flows through the sensor against the flow direction (see
arrow on sensor housing), the sensor can be configured to prevent negative measured
values.
Configuration
1.
Select the Meas menu using the arrow pushbuttons and confirm using Set.
2.
Select the Revrsl menu using the arrow pushbuttons and confirm using Set.
The available values are Active, Inactive and Abs.
3.
Select the value and confirm using Set.
7.5.6
Simulate flow or temperature
Even if there is no liquid in the measurement channel yet, it is possible to select a flow
or temperature in the menu in order to test the sensor configuration.
When simulating a flow, all outputs on the DOSIC
®
are set according to the defined con
-
figuration. The function should not be selected until a configuration is complete.
Configuration
1.
Select the Config menu using the arrow pushbuttons and confirm using Set.
2.
Select the SimFlw or SimTmp menu using the arrow pushbuttons and confirm
using Set.
3.
Select the value and confirm using Set.
For temperature the unit is shown as chosen in the Units menu.
Parameter selection
SimFlw
SimTmp
SimOff: Off
SimOff: Off
-100 % flow
0 °C (32 °F)
-80 % flow
20 °C (68 °F)
-60 % flow
40 °C (104 °F)
-40 % flow
60 °C (140 °F)
-20 % flow
80 °C (176 °F)
0 % flow
100 °C (212 °F)
+20 % flow
+40 % flow
+60 % flow
+80 % flow
+100 % flow