Advanced Operation
Hydro-Air P-38
14
pH / ORP Analyzer
6.0
Advanced Operation
This section describes the operational settings of the controller.
6.1.
4-20mA (Current Output Settings)
DISPLAY
FUNCTIONS
04.00mA:
Set the value corresponding to 4.00mA output
pH
: 0.00 to 14.00pH
ORP
: -2000 to 2000mV
20.00mA:
Set the value corresponding to 20.00mA output
pH
: 0.00 to 14.00pH
ORP
: -2000 to 2000mV
Offset:
Current output adjustment
Range : -1.00 to +1.00mA
6.2.
Relay A Settings
DISPLAY
FUNCTIONS
Example:
If an acid dosing pump is required
to run at pH 10 and to stop at pH 4,
then
set
Run=10.00pH
and
Off=04.00pH
Status:
Enable / Disable Relay A
Run:
Set point value to energize Relay A
pH
: 0.00 to 14.00pH
ORP
: -2000 to 2000mV
Off:
Set point value to deenergize Relay A
pH
: 0.00 to 14.00pH
ORP
: -2000 to 2000mV
