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Controller DULCOMETER® diaLog DACa

Transparent water analysis with the DULCOMETER® diaLog DACa - all combinations of relevant water treatment sensors can be freely evaluated and all actuators controlled.

Product description

Transparency of water analysis in the Dialog controller for one or two measuring points.

The diaLog DACa controller uses intelligent controller functions to close the control circuit between ProMinent DULCOTEST® sensors and ProMinent® metering pumps. It offers special functions for water treatment, like the processing of disturbance variables and switch-over of control parameters.
The controller was developed for continuous measurement and control of the parameters necessary for this and can be configured for one of two measuring channels depending on the application. Sensors from 14 freely selectable measured variables can be connected per channel. The controller can communicate with analogue or digital sensors and actuators.
Popular field buses are available for communication with the control level. The data, calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary and event logger records all measured values, control variables, digital inputs, calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary values, warning and error messages with a time stamp on the SD card.

Your benefits

  • Lower investment costs: through two independent PID controllers in one device
  • Flexible selection and permits simple subsequent adjustments: 14 different measured variables per channel
  • Ready for the world - offers 22 operating languages
  • Transparency in troubleshooting: Event, calibration and measured data logger with easy-to-access SD memory card
  • Ready for integration into your system: with various field bus systems, like PROFIBUS®-DP, PROFINET®, Modbus RTU and Modbus TCP

Field of application

  • Measurement and control of water parameters in industrial and process water treatment plants
  • Measurement of the pH value and disinfection parameters in the food and beverage industry
  • Monitoring of the chlorine dioxide concentration in systems for legionella control and prevention, for example in schools, hotels or hospitals
  • Market gardening: Measurement of the disinfection parameters in irrigation and sprinkler irrigation water
  • Monitoring of the water parameters in potable water circuits
  • Measurement and control of the hygiene parameters in swimming pools
    1 2 3 4 5 6 7 8 9 10 11 12 13 14

    Technical details

    • Measured variables: pH, ORP, chlorine, chlorine dioxide, chlorite, bromine, conductivity, peracetic acid, hydrogen peroxide, ozone, dissolved oxygen and fluoride
    • Method of installation, degree of protection: Combination housing (wall mounting, control panel mounting, pillar assembly) IP 67, IP 54
    • Measurement: 1 or 2 measuring channels, optional
    • Temperature compensation for pH, pH compensation for chlorine
    • Control: PID controller, monodirectional controller (e.g. with pH acid or alkali), bidirectional controller (e.g. with pH acid and alkali)
    • Control inputs: 2 digital control inputs (5 control inputs with 2-channel controller)
    • Control outputs: Feedforward control of flow via mA or frequency (e.g. of contact water meter)
    Measuring range

    mV connection type:

    pH: 0.00 ... 14.00

    ORP voltage: -1500 ... +1500 mV

    Connection type mA (amperometric measured variables, measuring ranges corresponding to the sensors):

    Chlorine

    Chlorine dioxide

    Chlorite

    Bromine

    Ozone

    Hydrogen peroxide (PER sensor)

    Hydrogen peroxide (PEROX sensor with PEROX transducer V2 Order No. 1047979)

    Peracetic acid

    Dissolved oxygen

    Connection type mA (potentiometer measured variables, measuring ranges corresponding to the transmitter):

    pH

    ORP voltage

    Fluoride

    Conductivity (measuring ranges corresponding to the transmitters):

    via Transmitter 0/4 ... 20 mA

    Temperature:

    via Pt 100/Pt 1000, measuring range 0 ... 150 °C

    Resolution

    pH: 0.01

    ORP voltage: 1 mV

    Temperature: 0.1 °C

    Amperometric analysis (chlorine etc.): 0.001/0.01 ppm, 0.01 vol.%, 0.1 vol.%

    Accuracy0.3% based on the full-scale reading
    Measurement inputpH/ORP (input resistance > 0.5 x 1012 Ω)
    Temperature compensationPt 100/Pt 1000 for pH, chlorine dioxide (CDP) sensor and fluoride
    Correction range0 … 100 °C
    pH compensation range for chlorineSensor CLE 3 and CLE 3.1: 6.5 ... 8.5, sensor CBR: 6.5 ... 9.5
    Disturbance signalsFlow via 0/4 … 20 mA or contact water meter, 1 - 500 Hz
    Control characteristicP/PID control
    Control2 x bidirectional control
    Analogue outputs2 (3) x 0/4 ... 20 mA electrically isolated, max. load 450 Ω, range and assignment (measured, correction, control variable) can be set
    Control outputs

    2 x 2 pulse frequency outputs for metering pump control

    2 relays (limit value, 3-point step or pulse length control)

    Alarm relay250 V ~3 A, 700 VA contact type changeover contact
    Digital control inputs2 (5) as a remote control input for the functions pause control / sample water fault, parameter set switch-over, level monitoring of chemical tanks
    Electrical connection90-253 V, 50/60 Hz, 25 VA
    Field bus connectionPROFIBUS®-DP, PROFINET, Modbus RTU, Modbus TCP/IP
    Ambient temperature

    0 ... 60 °C (for inside deployment or with a protective enclosure)

    Enclosure rating

    Wall mounted: IP 67

    Control cabinet mounting: IP 54

    Tests and approvalsCE, MET (corresponding to UL according to IEC 61010)
    Housing materialPC with flame proofing equipment
    Dimensions250 x 220 x 122 mm (WxHxD)
    Weight1.3 kg

    Standard equipment of the 1-channel design

    • Measuring channel 1 with 14 freely selectable measured variables (via mV or mA). The measured variables conductive or inductive conductivity are provided by the Compact controllers COND_C (conductive) and COND_I (inductive).
    • PID controller with pulse frequency-based metering pump control for 2 metering pumps.
    • 2 analogue outputs for measured value, correction value or control variable (dependent on the optional equipment).
    • 2 digital inputs for sample water fault detection, pause and parameter switch-over.
    • 2 output relays selectable as limit value, cycle timer, real-time timer or intermittent programmable control output (depending on the optional equipment).
    • Measured variables and language selection during commissioning.
    • Temperature compensation of the pH, chlorine dioxide (CDP) and fluoride measurement via Pt100/Pt1000.
    • 22 operating languages: all European languages as well as Chinese, Russian, Thai, Korean. The operating language is selected during commissioning and can be changed at any time by a keyboard shortcut. The documentation language is selected via the identity code. A data carrier is also supplied that contains all other languages.
    • Saving and transfer of device parameterisation by means of the SD card.
    • Calibration and event data logger (without SD card, data is saved in the controller).
    • Interference variable processing (flow) via frequency (contact water meter).
    • Subsequent upgrade of the software function by means of an activation key or firmware update.

    Optional equipment of the 2-channel design

    Package 2

    • Interference variable processing (flow) via mA, or
    • pH compensation for chlorine with pH control, or
    • External remote setpoint via an analogue signal for channel 1.

    Package 3

    • Second, complete measuring and control channel with PID controller (replaces the D2Ca controller).
    • 3. Analogue output for measured value, correction value or control variable (depending on the optional equipment).
    • 3 additional digital inputs, e.g. for level monitoring, pause and sample water alarm for channel 2.
    • Temperature compensation of the pH, chlorine dioxide (CDP) and fluoride measurement.

    Package 4

    • Combination of packages 2 and 3

    Communication options

    • Measurement data logger with SD card
    • Visualisation of the measured data using a web server via LAN or WLAN and a PC/tablet PC and web browser
    • PROFIBUS®-DP, Modbus RTU, Modbus TCP

    Hardware extension

    • Protective RC circuit for output relay: Protects the output relay if inductive loads are to be switched (e.g. solenoid valves or motors).

    Downloads for Controller DULCOMETER® diaLog DACa

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    Overview

    Transparency of water analysis in the Dialog controller for one or two measuring points.

    The diaLog DACa controller uses intelligent controller functions to close the control circuit between ProMinent DULCOTEST® sensors and ProMinent® metering pumps. It offers special functions for water treatment, like the processing of disturbance variables and switch-over of control parameters.
    The controller was developed for continuous measurement and control of the parameters necessary for this and can be configured for one of two measuring channels depending on the application. Sensors from 14 freely selectable measured variables can be connected per channel. The controller can communicate with analogue or digital sensors and actuators.
    Popular field buses are available for communication with the control level. The data, calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary and event logger records all measured values, control variables, digital inputs, calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary values, warning and error messages with a time stamp on the SD card.

    Your benefits

    • Lower investment costs: through two independent PID controllers in one device
    • Flexible selection and permits simple subsequent adjustments: 14 different measured variables per channel
    • Ready for the world - offers 22 operating languages
    • Transparency in troubleshooting: Event, calibration and measured data logger with easy-to-access SD memory card
    • Ready for integration into your system: with various field bus systems, like PROFIBUS®-DP, PROFINET®, Modbus RTU and Modbus TCP

    Application

    Technical Data

    Downloads

    Contact us

    Ralf Kiermaier

    Vice President Sales and Marketing, ProMinent GmbH

    Save contact

    »We are there for you, whenever you need us. Just get in touch.«

    +49 6221 842 0  Send request   

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