Functional Description - ProMinent DULCOMETER Assembly And Operating Instructions Manual

Functional description

3 Functional description
Brief functional description
The DULCOMETER
for pH and redox measured variables pro‐
vides basic functions for water treatment
applications. It has a fixed configuration
with the following features:
Measured variables pH and redox
n
(can be switched over on the
DULCOMETER
Language independent operation (use
n
of abbreviations, such as
[OUTPUT] , [CONTROL] , [ERROR] )
Illuminated display
n
3 LEDs indicate the operating states
n
[f-REL] active, [P-REL] active, error)
(
Sensor monitoring of pH
n
P or PID control characteristics
n
Selectable control direction (raise or
n
lower measured value)
Impulse frequency relay
n
metering pump control
[P-REL] , configurable as
Power relay
n
alarm, limit value or pulse width
modulated (PWM) control output for
metering pumps
Analogue output 0/4...20 mA, can be
n
configured as a measured value or
correction variable
Suction function for all actuators
n
Digital input to switch off the
n
DULCOMETER
or to process a sample water limit
contact by remote control
Temperature sensor input (Pt 1000)
n
for temperature compensation of the
pH value
Protection class IP67 (wall/pipe
n
mounting), protection class IP54 (con‐
trol panel mounting)
12
Compact Controller
®
Compact Controller)
®
[INPUT] ,
[f-REL] for
Compact Controller
®
Applications:
Waste water treatment
n
Treatment of drinking water
n
Swimming pool water treatment
n