Related Manuals for Grundfos Conex DIA-2
Summary of Contents for Grundfos Conex DIA-2
- Page 1 GRUNDFOS INSTRUCTIONS Conex DIA-2 ® Instrument amplifier and controller Installation and operating instructions...
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Page 2: Table Of Contents
Applications practice. Safety These complete installation and operating Obligations of the owner/operations Note instructions are also available on manager www.grundfos.com. Avoidance of danger Identification 1. Symbols used in this document Nameplate ® Type key, Conex DIA-2 controllers Warning ®... -
Page 3: A Few Words In Advance
2. A few words in advance ® The Conex DIA-2 is a multipurpose device designed to carry out high-precision measurements and controls of the following: • a value from parameter group 1: – chlorine, chlorine dioxide, ozone or hydrogen peroxide •... -
Page 4: Instrument Settings
3. Instrument settings Parameter 1 Setup Controller Alarm Proportional Xp Alarm Parameter Controller On:_ Off:_ Setpoint contrl. Reset time TN Alarm value 1 Chlorine:_ Off:_ Chlorine dioxide:_ (PI/PID control) Limit:_ Switching point Ozone:_ Interpulse ctrl.:_ Peroxide:_ Pulse freq. ctrl:_ sec. Cont. - Page 5 Parameter 2 Setup Controller Alarm Proportional Xp Alarm Parameter Controller On:_ Off:_ Setpoint contrl. Reset time TN Alarm value 1 Off:_ (PI/PID control) Limit:_ Switching point Interpulse ctrl:_ Pulse freq. ctrl:_ sec. Cont. controller:_ Deriv. action TV Alarm value 1 Temp.
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Page 6: General Information
Grundfos. We • They have been trained in use of the device. shall be pleased to support you with our comprehensive know-how in the fields of measuring •... -
Page 7: Identification
7. Identification 7.1 Nameplate DIA-2 1-D/HP 2-P, W-G 354-2200-10001 S/N: 08/08565 Conex DIA-2 230/240V 50/60Hz, 15 VA, IP 65 96622366P1108060808565 ® Fig. 1 Nameplate, Conex DIA-2 Pos. Description Type designation Model Product name Voltage [V] Frequency [Hz] Product number Country of origin Year and week of production Marks of approval, CE mark, etc. -
Page 8: Controllers
® 7.2 Type key, Conex DIA-2 controllers Type key example: DIA-2, 1-D/HP 2-P, W-G Example: 1-D/HP Measuring amplifier and controller DIA-2 Dosing Instrumentation Advanced with 2 inputs Input parameter 1 Chlorine (Cl ), chlorine dioxide (ClO ) or ozone (O Hydrogen peroxide (H Input parameter 2 Mounting... - Page 9 ® 7.3 Type key, Conex DIA-2 preassembled systems Type key example: DIA-2-A, D1-P-PT-PCB-QS-T, W-G Example: -PT -PCB -QS -T Units for measurement and control DIA-2 Dosing Instrumentation Advanced, with 2 inputs Assembly Preassembled Cell type Pressure-proof, with cleaning motor Pressure-proof, with cleaning motor Pressure-proof, with hydro-mechanical cleaning Pressure-proof, with hydro-mechanical cleaning Pressureless, with hydro-mechanical cleaning...
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Page 10: Technical Data
8. Technical data 8.3 Electronic data and functions 8.3.1 Electronics 8.1 Design / enclosure class Electronics 16-bit microprocessor Wall-mounted High-resolution graphics LCD enclosure Display with background light (distance from IP65 sensors up to three 1 alarm relay, 2 controller Potential-free relay metres) relays (250 V / 6 A, maximum outputs... -
Page 11: Measuring Ranges
8.3.3 Setpoint controller functions Limit monitor, interpulse controller (P, PI, PID), pulse frequency controller (P, Controller output PI, PID), continuous controller (P, PI, PID) 0 to 100 % of measuring range, adjustable in the unit of the measured value Limit (only with limit monitor) 0 to 50 % of full-scale value, adjustable in the unit of the measured value Hysteresis... -
Page 12: Dimensions
8.5 Dimensions Ø 4.5 ® Fig. 2 Wall-mounted enclosure Conex DIA-2 ® Fig. 3 Control panel enclosure Conex DIA-2... -
Page 13: Installation
9. Installation 9.4 Installation in control panel 9.1 Transport and storage > 20 • Transport the device carefully, do not drop! • Store at dry and cool location. +0.8 9.2 Unpacking +0.8 1. Check the device for damage. Install as soon as possible after unpacking. 2. -
Page 14: Installation Of Wall-Mounted Enclosure
9.5 Installation of wall-mounted enclosure Warning Switch off the power supply before installing! Enclosure class IP65 is only guaranteed if the terminal cover is correctly sealed, if the front panel of the terminal enclosure is closed and the appropriate cable glands or dummy caps fitted. -
Page 15: Commissioning / Electrical Connections
10. Commissioning / electrical connections Warning Switch off the power supply before installing! Enclosure class IP65 is only guaranteed with the front panel of the terminals enclosure closed and with appropriate cable glands or dummy caps. Warning Switch off the power supply before connecting the power supply cable and relay contacts! For safety reasons, the protective conductor must be connected... -
Page 16: Terminals
10.1 Terminals ® 10.1.1 Wall-mounted enclosure Conex DIA-2 Fig. 8 Terminals of wall-mounted enclosure... - Page 17 ® 10.1.2 Control panel enclosure Conex DIA-2 Fig. 9 Terminals of control panel enclosure...
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Page 18: Power Supply Connection
Legend of terminals 10.2 Power supply connection 1. Control panel enclosure: Plug the plug strip into Pos. Description the corresponding terminal strip at the rear side of the device. Ensure correct orientation. Relays Relay 1 + 2 2. Connect the protective earth conductor (PE) to Alarm relay terminal 5 (wall-mounted enclosure) or terminal –... -
Page 19: Current Output
10.4 Current output Output 4: continuous control parameter 1 This current output shows the calculated actuating Make sure that the polarity of the current variable signal as an analog current signal. output is correct! Caution Use of actuating variable signal: Maximum load: 500 Ω. -
Page 20: Connection Of Measuring Cells
10.6 Connection of measuring cells 37 38 39 40 Jumper setting • All cell types: position 1 (standard). Standard Fig. 11 Jumper setting 10.6.1 Connection of wall-mounted enclosure ® Conex DIA-2 15 17 19 21 23 25 27 29 31 33 35 37 38 39 40 41 42 Fig. - Page 21 10.6.2 Connection of control panel enclosure ® Conex DIA-2 37 38 39 40 41 42 Pt 100 M B/R G/C Fig. 17 Connection to single-rod measuring chains for pH, redox Pos. Description 9, 10, 11 Conex Brown Sensor interface White Black Blue Fig.
- Page 22 M B/R Pt 100 B/R G/C 1/11 1/13 1/12 1/14 1/1 1/2 Fig. 22 Connection to measuring cells HP (peroxide) Conex Sensor interface Fig. 20 Connection to measuring cell AQC-D12 M B/R Pt 100 Fig. 23 Connection to single-rod measuring chains for pH, redox Pos.
- Page 23 Peculiarities for the connection at the control ® panel enclosure of Conex DIA-2 1. First connect the measuring cells, the single-rod measuring chains and the water sensor (if present) to the separate sensor interface. 2. Secondly, connect the sensor interface to the ®...
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Page 24: Operation
11. Operation 11.1 Control and display elements 7 8 1 6 5 4 Fig. 25 Wall-mounted enclosure and control panel enclosure Pos. Description Control elements Red alarm LED • Flashes in case of faults or incorrect entries. Display Operating buttons [OK] button •... -
Page 25: Display Elements During Initial Commissioning
11.2 Display elements during initial chlorine commissioning When connected to the power supply on the device’s initial commissioning and following the start-up 0.43 mg/l indication, the display shows the "Sprache/language" menu. Language/Langue... • After selecting and confirming the operating Deutsch language by pressing [OK] during initial commissioning, the display shows "chlorine"... - Page 26 11.2.1 Display modes Alarm signals A parameter-based alarm refers to the flashing Switching between display modes 1 and 2: parameter in the header. Parameter-independent 1. Use the [Up] and [Down] buttons to switch alarms are displayed in the bottom line, but the between the two display modes: display does not flash for this alarm.
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Page 27: Software Overview
11.3 Software overview Service • Calibration logbook 1/2 Provided that the code numbers for access – the last 10 calibrations. right have been set, some menus (and • Calling up the controller 1/2 settings submenus) as well as the functions Cal •... -
Page 28: Main Menu
11.4 Main menu 1. Switch to "main menu" by pressing [OK] or, if necessary, by pressing [Esc] several times. Options in "main menu" main menu controller alarm service setup • "controller" In this submenu, a controller can be parameterised. This option will only be displayed if a type of controller has been selected in the "setup"... -
Page 29: Setup
11.5 Setup All standard settings of the device can be defined in the "setup" menu. During initial commissioning, basicHfunctions are configured which after that should only be altered rarely or even not at all. The "setup" menu can only be accessed by persons having full rights. - Page 30 11.5.2 pH and temperature compensation 11.5.3 Selection of measuring cell pH compensation with chlorine measurement The "measuring cell" submenu is shown The dissociation of hypochlorous acid (HOCl) into the only if the measured values chlorine, Note hypochlorit-anion (OCl ) leads to a loss of slope (loss of chlorine dioxide or ozone were selected sensitivity) of the sensor for chlorine measuring.
- Page 31 11.5.4 Setting the measuring ranges for chlorine, 11.5.7 Setting the current time chlorine dioxide, ozone, peroxide and pH (date/time/summer time) In the "measuring ranges" menu, the corresponding 1. Switch from the "setup" menu to the "date/time" measuring ranges are assigned to the measured menu.
- Page 32 11.5.8 Code function If a wrong code is entered, access to the The code function is designed to protect the device corresponding menus is denied. An error from unauthorised access. Note message is triggered (duration: five seconds), and the device will return to Entering the four-digit code number and "main menu".
- Page 33 11.5.12 Factory setting reset Before subsequent start-up: ® In the "factory setting" submenu, the Conex DIA-2 Caution Check all parameters and set the device can also be reset to the factory setting using again according to your application! code 6742. General factory settings Only use this function in an emergency.
- Page 34 1 and 2 as well as for current and return to the "current output" menu. output 3 with temperature measurements. 11.5.14 Program version chlorine program version 0-20 mA Conex DIA-2 4-20 mA others v0.20.1 20030304 • In the corresponding submenu (for example In case problems make it necessary to contact our chlorine), select the line "others"...
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Page 35: Selection, Configuration And Parameterisation Of The Controller
11.6 Selection, configuration and parameterisation of the controller It takes two steps to set up the controller: • First: selection and configuration of the controller type in the "setup" menu, "controller" submenu. • Secondly: parameterisation of the selected controller type in "main menu", "controller" submenu. - Page 36 Selection and configuration of the setpoint controller 1. Mark the "setpoint contrl" line using the [Up] and [Down] buttons, and select using [OK]. 2. Select the controller using the [Up] and [Down] buttons as one of the following: – off –...
- Page 37 11.6.2 Setting the controller parameters The options available in the "controller" submenu (main menu) correspond to the configuration made in 1. Select a controller in the "setup" menu and the "setup" menu. configure it. 1. Use the [Up] and [Down] buttons to change See section 11.5.5 Controller parameters 1/2.
- Page 38 11.6.3 Controller control fields on the display 1. Press [Esc] once or twice to switch to the display "measured value". See sections 11.2 Display elements during initial commissioning 11.2.1 Display modes. controller control fields chlorine continuous controller output relay 1 or 2 0.43 mg/l 5.20 pH...
- Page 39 11.6.4 Adaptation An adaptation can be started to simplify the setting of the controller parameters. The adaptation is only available for PI and PID controllers. 1. Start adaptation in the "controller" menu (main menu) under "adaptation" by pressing "start". chlorine 0.43 mg/l adaptation...
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Page 40: Alarm" Menu
11.7 "Alarm" menu With the help of the alarm function, the measured value can be monitored and compared with the permitted range. If the measured value exceeds the limits of the measuring range, an alarm is triggered. • The alarm relay is activated after the selected alarm delay time. •... - Page 41 1. Select the line "alarm" in "main menu" using the 6. Select the line "hysteresis" in the "alarm values" [Up] and [Down] buttons. menu, and press [OK] to switch to the corresponding submenu. 2. Press [OK] to switch to the "alarm" menu. Two functions are available there: alarm values alarm...
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Page 42: Checking The Settings In The "Service" Menu
11.8 Checking the settings in the "service" menu In the "service" menu, the operator can check all In the "service" menu, calibration data and important settings and test the functions of the controller settings cannot be altered. device in the event of problems that make service Note Therefore the menu can be accessed necessary. - Page 43 Notes to figures in fig. 35: Under "water sensor", the following data are displayed: "cal temp." will only be displayed if • speed of water sensor during last calibration temperature measurement or temperature • actual speed of the water sensor. compensation has been switched on in the "setup"...
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Page 44: Calibration
In order to avoid an overdosing, the controllers are first! switched off, and the final control elements are closed. Only then calibrate the chlorine value! 11.9.2 Calibrating the pH value "Cal" cal. meas. GRUNDFOS value temperature DIN / buffer 1/2 of buffer NIST... - Page 45 2 Selecting buffer types and buffer values, reading in buffer values and calibrating Three optional buffer types are available: • GRUNDFOS: buffer values pH 4.01, 7.00, 9.18. 7.00 pH • DIN/NIST: buffer values pH 4.01, 6.86, 9.18. 9.18 pH •...
- Page 46 Error messages during the reading in of the Manual temperature compensation voltage signal of the pH electrode With deactivated temperature measurement, the water The calibration may be aborted in the following temperature for compensation should be entered cases: manually after calibration. The default value is 25 °C. •...
- Page 47 Having switched to the calibration function by 3. Enter a reference value (for example determined pressing [Cal], the display is in the mode "measured photometrically with the Grundfos DIT photometer). value" and indicates the current measured value. 4. Press [OK] to start calibration.
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Page 48: Manual Operation
11.10 Manual operation 3. The display reads "controller stop": All configured controllers are switched off. The manual operation mode is used to switch off the – With configured two-position and continuous automatic control and run the control relays controllers, the actuating variable is set to 0. manually. - Page 49 With configured two-position controllers, the relay 3. Press [OK] to switch to the subsequent menu. outputs 1 and 2 as well as the output "cont. controller" Three options are available: can be separately run manually. • relay output 1 By selecting the desired relay output, the dosing flow •...
- Page 50 11.10.2 Manual operation with configured limit contact and continuous controller "Man" controller manual relay 1/2 stop operation continuous dosing flow controller 0-100 % Fig. 39 Manual operation with configured limit contact and continuous controller Manual operation with configured limit contacts is largely similar to manual operation with two-position and continuous controllers.
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Page 51: Fault Finding
This product or parts of it must be disposed of in an environmentally sound way. Use appropriate waste Repairs can only be carried out in the factory by collection services. If this is not possible, contact the authorised personnel. nearest Grundfos company or service workshop. - Page 52 Declaration of conformity GB: EU declaration of conformity DE: EU-Konformitätserklärung We, Grundfos, declare under our sole responsibility that the products Wir, Grundfos, erklären in alleiniger Verantwortung, dass die Produkte ® ® Conex DIA-1, DIA-2, DIA-2Q, to which the declaration below relates, Conex DIA-1, DIA-2, DIA-2Q, auf die sich diese Erklärung beziehen,...
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