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AW T4 20 |
U N I V ER S A L 4 - W I R E , D UA L- I N P U T T R A N SM I T T ER | O I/AW T4 2 0 - EN R E V. B
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Sensor setup
RDO
Menu
Comment
Default
Tag
Enter an alphanumeric sensor tag (16 characters maximum) to identify the sensor
on the
Operator Pages
.
TAG1
Measurement Type
Select the required probe type:
• Dissolved Oxygen/% Saturation
Note
. If a change is made the I/O sources are reset.
Dissolved Oxygen
Units
Select the measurement units:
• mg/l/ppm
ppm
PV Resolution
Select the PV Resolution:
• Normal/High
Normal
Range High
Set the span value in
Chart
and
Bargraph
views.
50 ppm (200%)
Range Low
Set the zero value in
Chart
and
Bargraph
views.
0
Filter Type
Select the signal filtering type:
• None/Low/Medium/High
None
Salinity Unit
Select the required salinity units:
• PSU (Practical Salinity Units) or ppt (parts-per-thousand).
PSU
Salinity Correction
Required when monitoring water containing high quantities of dissolved salts:
• enter the required value between 0 and 42 Practical Salinity Units (PSU).
• leave at the default value of 0 PSU if salinity correction is not required.
0 PSU
Pressure Unit
Select the required barometric pressure units:
• mBar/mmHg
mBar
Barometric Pressure
Barometric pressure compensation.
Set the local barometric pressure to 506 to 1114 mbar (380 to 835 mm/Hg).
If the barometric pressure is unknown, leave at the default sea-level value of
1013 mbar (760 mm/Hg).
1013 mbar
Reset To Defaults
Select to reset all
Sensor Setup
parameters to their default values.
N/A
Turbidity/Suspended solids
Menu
Comment
Default
Tag
Enter an alphanumeric sensor tag (16 characters maximum) to identify the sensor on the
Operator Pages
.
TAG1
Measurement Type
Select measurement type:
• Turbidity/Suspended solids
Note
. If a change is made the I/O sources are reset.
Turbidity
Turbidity Units
Select the turbidity units
• NTU/FNU
NTU
TSS Units
Select the total suspended solids units
• mg/l/ppm
for readings above 1000 mg/l (ppm) the units change automatically to g/l (ppt).
mg/l
Range High
Set the span value used in
Chart
and
Bargraph
views.
4000 NTU
Range Low
Set the zero value used in
Chart
and
Bargraph
views.
0
Filter Type
Select the signal filtering type:
• None/Low/Medium/High
None
Note .
The following menus are displayed only if the sensor has a wiper fitted.
Wiper Clean Freq .
Set the interval between cleans:
• Off/15 mins/30 mins/45 mins/1 to 24 Hours
Off
Next Clean
Note
. Displayed only if a wiper clean frequency has been configured
Set the time for the next wiper clean to occur.
N/A
Reset Wiper Lifetime
Use to restart the wiper lifetime counter after wiper replacement.
N/A
Reset To Defaults
Select to reset all
Sensor Setup
parameters to their default values.
