Operating instructions

Aztec ADS430 | Optical dissolved oxygen probe | OI/ADS430–EN Rev. A 9
5.1 Sensor Setup
Used to set the tag, measurement units, operational range and clean functions and to
compensate for salinity and barometric pressure.
Menu
Sensor Setup
Exit
Select
Menu Comment Default
S1 (to 4) :RDO Select the optical dissolved oxygen probe to set up.
Tag Enter an alphanumeric probe tag (16 characters maximum) to
identify the probe on the Operator Pages.
PV Type Select measurement type.
Note. If a change is made the I/O sources are reset.
DO Concentration / % Saturation
DO Concentration
Units Select the measurement units:
mg/l / ppm
ppm
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 filter type:
Off / Low / Medium / High
Off
Clean Interval Set the interval between cleans:
Off / 15 Mins. / 30 Mins. / 45 Mins. / 1 to 24 Hours
Off
Clean Type * Set the clean type:
Continuous / Pulsed
Continuous
Clean On Time * Set the duration of the clean:
1 to 60 Secs
30 Secs
Clean Off Time * † Set the duration between cleans:
1 to 60 Secs
30 Secs
Number of Pulses * † Set the number of cleaning pulses:
1 to 10 Pulses
2 Pulses
Recovery Time * Set the time delay between the completion of cleaning and the
display of a new reading on the operator page:
1 to 10 Min.
1 Min.
Clean Duration * Displays the total duration of the clean:
Clean Type set to Continuous = Clean on Time + Recovery Time
Clean Type set to Pulsed = (Clean on Time + Clean Off Time)
x Number of Pulses + Recovery Time
Clean Output * Displays the output signal the clean is assigned to.
This can be set to relay 1 to 6 or digital output 1 to 6 – refer to
OI/AWT440-EN.
No Assignment
* Displayed only if Clean Interval is NOT set to Off
† Displayed only if Clean Type is set to Pulsed
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