The PCA310, PCA320 and PCA330 analyzers has two type of analog output: voltage output and current
output. Only one output type is active at a time. If the voltage output is selected, the current output
is set to 0 mA and if the current output is selected, the voltage output is set to 0 V.
The PCA340 analyzer has two current analog outputs. Each one can be configured as 0-20 mA,
4-20 mA or dosing type. Also they can be assigned to one of the measurement parameters: Cl, pH, Temp.
SELECT THE ANALOG OUTPUT TYPE
To select the analog output type for PCA310, PCA320 and PCA330 enter in “General Menu” - “Analog
Output”.
To select the analog output type for each chanels available for PCA340 enter in “General Menu”-“Analog
Output 1” or “Analog Output 2”.
The analog output could be assigned to one of the four measured parameters. To define this assignment,
edit the “Out Param.” field. “Chlorine” for PCA310, “Chlorine”, “pH”, and “Temper.” for PCA320
and PCA340, “Chlorine”, “pH”, “ORP” and “Temper.” for PCA330.
To select the analog output type edit the “Type” line. The available options are: 0-10 mV,
0-100 mV, 0-1 V voltage outputs and 0-20 mA , 4-20 mA current outputs for PCA310, PCA320,
PCA330 and 0-20 mA , 4-20 mA current outputs for PCA340.
DOSING THROUGH 4-20 mA OUTPUT
Select “General Menu” - “Analog Output” - “Type” as Dosing to activate this feature. The output
become 4-20 mA current type, proportional with pH or chlorine regulator output.
The 4 mA correspond with pump stop and 20 mA correspond to pump operating at full speed.
This mode should be selected when a proportional pump is attached to the analyzer.
Note: In this mode calibration is not allowed. If calibration menu is entered, the following
message appears: “Analog output value cannot be changed when analog output type is dosing”.
Out Param.:Chlorine
Type :Dosing
Cal.Analog Out Max.
Cal.Analog Out Min.
Output Middle Range
ANALOG OUTPUT
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