Model OUM980 with OUSAF21 Inline Sensor
Commissioning
32
Configure Process Control Access
Enter SYSTEM DATA sub-menu to access ACCESS function. Press
to continue.
Select the option to configure.
Note: The Response is in brackets [ ]. With bracketed responses use
for changes. Select ‘YES’ for each option. There are 4
options to configure. When all changes are made, press
to accept
and confirm the entries and return to top screen.
5.3.9.2
Baseline (AutoZero)
To operate the baseline function, the Process Control Screen must be assigned as an authority for the user. If assigned the authority,
use
to open the Process Control Screen. Use
to select baseline and select as follows: To initiate a new
baseline use “On”, to remove an existing baseline use “Off”. To change an existing baseline setting to a new setting use “Update”.
If the baseline was previously “On” when a power interruption occurred, the analyzer will retain its last saved baseline setting and
return to that setting when power is restored, and the analyzer and the baseline control will remain “On”. Baseline function
replaced the AutoZero function in the 800 series analyzer.
If a Baseline Shift value has been entered, activating the baseline shift will cause the 4~20mA output channel 2 to “Shift” to the
entered % value. Both PV display would indicate “0” The PV screen will also indicate BL SFT in lieu of BL ON when a shift value
has been entered (>0%).
Configure Process Control Access
Enter SYSTEM DATA sub-menu to access ACCESS function. Press
to continue.
Select the option to configure.
Note: The Response is in brackets [ ]. With bracketed responses use
for changes. Select ‘YES’ for each option. There are 4
options to configure. When all changes are made, press
to accept
and confirm the entries and return to top screen.
5.3.9.3
Optical Zero
Optical Zero is a function to provide an over all zero to offset the initial background optical noise in OUSAF21 sensor. User can also
use optical zero to setup the process zero (e.g. DI water optical density etc...).