Datcon DT9000 N Operating Instructions Manual
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Datcon DT9000 N Operating Instructions Manual

Process indicator
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DT9000 N
Process Indicator
Operating Instructions

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  • Page 1 DT9000 N Process Indicator Operating Instructions...

  • Page 2: Table Of Contents

    DT9000 N Contents 1. About this document.............4 1.1. Function..................4 1.2. Target group................4 1.3. Symbolism used................4 2. For your safety..............5 2.1. Authorised personnel..............5 2.2. Appropriate use.................5 2.3. Warning about misuse...............5 2.4. General safety instructions............5 2.5. CE conformity................5 2.6. Environmental instructions............5 3. Product description............6...
  • Page 3 DT9000 N Setting-up..............27 7.1. Typing the code (password) in..........27 7.2. The menu.................29 7.3. Display modes of limit output status (01. menu item).....30 7.4. Setting up the limit outputs (02. and 03. menu items)....32 7.5. Limit output alarm mode............38 7.6. Decimal point position (04. menu item)........40 7.7.

  • Page 4: About This Document

    1. About this document 1.1. Function This operating instructions manual has all the information you need for quick set-up and safe operation of DT9000 N. Please read this manual before you start setup. 1.2. Target group This operating instructions manual is directed to trained personnel.

  • Page 5: For Your Safety

    2.5. CE conformity A DT9000 N is in conformity with the provisions of the following standards: EN 61326-1:2006 (EMC) 2.6. Environmental instructions Protection of the environment is one of our most important duties.

  • Page 6: Product Description

    DT9000 N 3. Product description 3.1. Delivery configuration Delivered items The scope of delivery encompasses: • DT9000 N • 2 pcs. of srew clamps (only panel mounting version) • 2 pcs. Pg 11 cable entries • instrument sealing (only panel mounting version) •...

  • Page 7: Principle Of Operation

    DT9000 N 3.2. Principle of operation Area of application DT9000 N is an process indicator enable linear process variables to be displayed.Two isolated outputs are available with different operating modes for limit signaling or for simple control purposes. DT9000 N is housed in a moulded polycarbonate case hauseproof to IP65 for installation in the field or on the control panel.

  • Page 8: Adjustment

    DT9000 N 3.3. Adjustment DT9000 N can be adjusted through the 3 button front panel keypad. All configuration parameters are stored in the instrument EEPROM for unlimited period of time, even when the loop current beeng switched off. In factory setting the DT9000 N displays the 4-20 mA loop current with a resolution of three decimals.

  • Page 9: Mounting

    DT9000 N 4. Mounting 4.1. General instructions Use the enclosed seal when mounting DT9000 N on panel to assure IP 65 protection between the instrument and the panel from the front side (only panel mounting version). Mounting positions Select a mounting position you can easily read the display...

  • Page 10: Mounting As A Wall-Instrument

    DT9000 N 4.3. Mounting as a wall-instrument Removing the front cover In order to remove the front cover, first remove the four fixing screws as shown in the drawing. A screwdriver of appropriate head-size only should be used. Using screwdrivers with inappropriate head-size may cause a damage in the screws’...
  • Page 11 DT9000 N Preparatory steps There are four through-holes, shown by arrows in the following drawing, for the fastening of the housing. The diameters of the holes are made for M3 screws. Holes for mounting 1. Mark the places of the holes in accordance with the drawing.
  • Page 12 DT9000 N Mounting the instrument Four M3 threaded screws are needed for mounting the instrument (these are not accessories). The type of the screws depends on the wall-material, while the dimensions cross recessed depend on the wall-thickness. The use of pan head screws is recommended to make the mounting easier.

  • Page 13: Mounting As A Panel-Instrument

    DT9000 N 4.4. Mounting as a panel-instrument Preparatory steps 1. Cut-out the panel according to the figure shows below. The cut-out needs spetial tools, it must be carried out by trained specialist personnel. Cut-out dimensions 20180614-V0...
  • Page 14 DT9000 N Mounting by the screw clamps 2. Put on the enclosed seal onto the instrument case from the rear side and fit it to the instrument holding frame (Figure step 2). 3. Put the instrument into the prepared cut-out until it possible and check the fitting of the seal between case and mounting surface.

  • Page 15: Connecting

    DT9000 N 5. Connecting 5.1. Connecting into the current loop Wiring plan, connecting the DT9000 N as a terminal device: (see also “Application example”) Be careful the polarity of the cable. 20180614-V0...
  • Page 16 DT9000 N Connecting the cables • The DT9000 N is situated in the „middle” of the current loop. In this case one cable comes from the signal source and another cable goes to the processing unit(s). The following figure shows this case.
  • Page 17 DT9000 N Select connection cable Take note the suitability of the connecting cable. We recommend the use of screened twisted pair cable. The wire cross-section should be 0.25-1.5 mm Select connection cable In particular, make sure that no potential equalisation currents flow over the cable screen.
  • Page 18 DT9000 N Connecting the cables Make sure before connection that the current loop is into the terminal switched off. assemblies The push-in direct connector assemblies used allow a fast connection of the cables. Their proper usage is shown by the following figure: 1.
  • Page 19 1.5 and 2.2 V, while pin 6 is the positive one, if the connection is correct. In the case of reverse polarity, the voltage value is less than 1 V, and 5 is the positive pin. With this you have completed the connection of DT9000 N. 20180614-V0...

  • Page 20: Display And Manual Controls

    DT9000 N 6. Display and manual controls 6.1. The first start-up The display The display is indicated by the arrow (1) After the instrument has been installed and connected into the current loop, first you see on the display the type of ...

  • Page 21: Characters And Mnemonics Appearing On The Display

    DT9000 N 6.2. Characters and mnemonics appearing on the display DT9000 N has a 7-segment type display. It means that maximum 7 bars are used to form each characters. The numbers can be read easily, some of the letters, marks however, looks unusual: ...
  • Page 22 DT9000 N Messages of critical errors  A/D failure (Service: AD Hardware)  EEPROM failure (Service: EEPROM Hardware)  EEPROM write error (Service: EEPROM Protected)  Calibration error (Service: Calibration)  Default factory settings (Service: Default Factory Settings)  The last saving was not successful (Error: Last Save) During measuring ...
  • Page 23 DT9000 N During setting up  The instrument is making calculations, please wait (Busy)  The requested operation has been completed (Ready)  The saving of the settings is being done (Save)  No, I don’t want this menu (No) ...

  • Page 24: Manual Controls

    DT9000 N 6.3. Manual controls DT9000 N can be adjusted by the membrane push-buttons indicated by (1), (2), and (3) in the drawing. Functions of the push-buttons during measurement (1) MENU button: Entering the menu When you push this button, the device will ask for a password (code) in accordance with Chapter 7.1.
  • Page 25 DT9000 N Using this function:  1. Press the ▲ button as long as you see this: This mnemonic indicates that it will be displayed the minimum value measured after the last clear. 2. Keeping the button pressed down, after 1.5 sec the minimum value will be displayed as long as the button is pressed down.
  • Page 26 DT9000 N (3) ENTER button: displaying the status of the limit output and clearing the alarm (alarm acknwledgement). It’s functionality depends on the operating mode of displaying the limits. In default factory setting this function is switched off, therefore pushing the button does not cause any changes.

  • Page 27: Setting-Up

    DT9000 N 7. Setting-up 7.1. Typing the code (password) in The importance of the You may enter the menu only after you have typed your code code in. The code is made from 3 numeric characters. This solution prevents unauthorised persons from changing the settings of the instrument.
  • Page 28 DT9000 N Automatic exit from If no buttons are pressed, the instrument displays the  the request for the code mnemonic (Auto Escape) after 1 minute has passed from the last pressing of a button, and it RESTARTS, i. e. goes back to the measuring mode. This...

  • Page 29: The Menu

    DT9000 N 7.2. The menu The menu structure 01: Limit-value display 30. page 02: Limit value 1 03: Limit value 1 32. page 04: Decimal point 40. page 05: Scale 4 mA 41. page 06: Scale 20 mA 43. page 07: Averaging number 45.

  • Page 30: Display Modes Of Limit Output Status (01. Menu Item)

    DT9000 N 7.3. Display modes of limit output status (01. menu item) Function The state of the limit outputs (whether they are switched on or off) can be displayed. Here you can define the conditions, on which displaying should depend.
  • Page 31 DT9000 N Sequence of operations  •  : Always on (ON) It always displays the states of limit outputs. If you keep the ENTER button pressed down, the measurement results are displayed. (This operating mode is useful when the states of limit outputs is more important than the measured value.)

  • Page 32: Setting Up The Limit Outputs (02. And 03. Menu Items)

    DT9000 N 7.4. Setting up the limit outputs (02. and 03. menu items) Function The instrument has two limit outputs. They are identical with each other, and work independently. Operation: the instrument keeps comparing the displayed physical value with the (adjustable) limit value. It switches the output ON depending whether the displayed value is higher than the limit value.
  • Page 33 DT9000 N Setting the operating 5. Keep stepping by pressing the ▲ button you can select mode the desired limit-output operating mode.  Sequence of operations •  : the output is always in switched off condition. [default factory setting] ...
  • Page 34 DT9000 N Low limit value 8. Keep stepping by pressing the ▲ button as long as you  Sequence of operations see this sub-menu item: . LL (Low Limit) means: the low limit value. Here you can define the numerical value by which the device will compare the measured physical values.
  • Page 35 DT9000 N Hysteresis of the low 16. Keep stepping by pressing the ▲ button as long as you  limit see this sub-menu item: . LH (Low Hysteresis) Sequence of operations means: the hysteresis of the low limit value. Here you can...
  • Page 36 DT9000 N High limit value Setting the high limit value and It’s hysteresis is necessary  Sequence of operations in that case only, if you had selected the or the  operating mode. 23. Pressing the ▲ button keep stepping as long as you see ...
  • Page 37 DT9000 N Hysteresis of the high 33. Keep stepping by pressing the ▲ button as long as you  limit see this sub-menu item: . HH (High Hysteresis) Sequence of operations means: the hysteresis of the high limit value. Here you can...

  • Page 38: Limit Output Alarm Mode

    DT9000 N 7.5. Limit output alarm mode Function In alarm mode, the limit output is switching on when the limit condition exist. But the output stays switched on (independent from the limit condition) until the ENTER button is pressed (alarm acknowledge). (All these information are described in detail in Chapter 7.4.
  • Page 39 DT9000 N Exit from the menu item 1. After finishing the settings, press the MENU button to exit  from the menu item, and you see this: 2. Press the MENU button to exit from the menu item, and ...

  • Page 40: Decimal Point Position (04. Menu Item)

    DT9000 N 7.6. Decimal point position (04. menu item) Function Setting the position of the decimal point on the display, or switching the decimal point off. [Default factory setting: 3 decimals] Sequence of operations 1. Enter the menu by typing the supervisor code.

  • Page 41: The Physical Value Assigned To 4 Ma (05. Menu Item)

    DT9000 N 7.7. The physical value assigned to 4 mA (05. menu item) Function Defining the physical value that should be assigned to the loop current value 4 mA, this can be any numerical value within the range that can be displayed (-20000 - 20000).
  • Page 42 DT9000 N Exit from the menu item 1. After finishing the setting, press the MENU button, to exit  from the menu item, and you see this: (2. If you want to change the setting you have done just now, or if you just want to check what you have typed in, go on with the operation from point 3 of the Sequence of operations.)

  • Page 43: The Physical Value Assigned To 20 Ma (06. Menu Item)

    DT9000 N 7.8. The physical value assigned to 20 mA (06. menu item) Function Defining the physical value that should be assigned to the loop current value 20 mA, which can be any numerical value within the range that can be displayed (-20000 - 20000).
  • Page 44 DT9000 N Sequence of operations 6. Pressing the ► button you can select the next digit. 7. Pressing the ▲ button you can increase the value of the blinking digit:          ...

  • Page 45: The Number Of Averaged Measurements (07. Menu Item)

    DT9000 N 7.9. The number of averaged measurements (07. menu item) Function The instrument performs cca. 15 measurements in each seconds. The displayed measurement result is generated as the average of several measurements. Here you can define the number of measurements that should be used for calculating the averaged numerical value.
  • Page 46 DT9000 N  Sequence of operations •  : The displayed value is the same as the last measurement result; the previous measurements do not influence this value. (The display settling time after the stabilisation of the input signal: 0.1 second.) ...

  • Page 47: Display Refresh Time (08. Menu Item)

    DT9000 N 7.10. Display refresh time (08. menu item) Function The instrument performs cca. 15 measurements in each seconds. It’s too fast to see the changing of the measurement value. Here you can define the time periods by which the instrument displays the new measurement values.
  • Page 48 DT9000 N Exit from the menu item 1. After finishing the setting, press the MENU button, to exit  the menu item, and you see this: (2. If you want to change the setting you have done just now, or if you just want to check what you have typed in, go on with the operation from point 3 of the Sequence of operations.)

  • Page 49: Tests (09. Menu Item)

    DT9000 N 7.11. Tests (09. menu item) Function Checking the display and the limit outputs. Sequence of operations 1. Enter the menu by typing either the user code or the supervisor code. The way the code should be type in is described in Chapter ...
  • Page 50 DT9000 N Sequence of operations Comment: the status you have selected here remains unchanged as long as you exit the menu, and the instrument starts measuring. 10. You can exit from the display test by pressing the MENU  button. You see the blinking mnemonic.

  • Page 51: Changing The User Code (10. Menu Item)

    DT9000 N 7.12. Changing the user code (10. menu item) Function You can define new codes instead of the factory-defined user code. The code is an optional number within the range between 000 and 999. [Default factory setting: 000] Sequence of operations 1. Enter the menu by typing either the user code or the supervisor code.
  • Page 52 DT9000 N Sequence of operations 9. If the codes written in for the first and second time are identical with each other, the device exits from the menu  item. You see this on the display. Do not forget the user code you have specified. If you forget it, defining another one is possible only by using a supervisor code for entering into the menu.

  • Page 53: Changing The Supervisor Code (11. Menu Item)

    DT9000 N 7.13. Changing the supervisor code (11. menu item) Function You can define new codes instead of the factory-defined supervisor code. The code is an optional number within the range between 000 and 999. [Default factory setting: 100] Sequence of operations 1. Enter the menu by typing the supervisor code.
  • Page 54 DT9000 N Sequence of operations 9. If the codes type in for the first and second time are identical with each other, the instrument exits from the  menu item. You see this on the display. Do not forget the supervisor code you have specified. If you forget it, defining another one is possible in the service only.

  • Page 55: Display Operating Modes (12. Menu Item)

    DT9000 N 7.14. Display operating modes (12. menu item) Function The instrument has a 4-and-a-half-digit display. It is possible to switch it into a 3-and-a-half-digit display mode. In this case the display behaves like a 3-and-a-half-digit display during measurement. (The mnemonics are displayed in four digits).
  • Page 56 DT9000 N Exit from the menu item 1. After finishing the setting, press the MENU button, to exit  from the menu item, and you see this: (2. If you want to change the setting you have performed just now, or if you just want to check what you have typed in, continue the operation from Point 3 of the Sequence of operations.)

  • Page 57: Disable Displaying The Leader Zeros (13. Menu Item)

    DT9000 N 7.15. Disable displaying the leader zeros (13. menu item) Function Leader zero: the zeros that stand before an integer of no value. E.g. the instrument displays the value 5.2 together with the leader zeros:  (default factory setting), or without the leader ...
  • Page 58 DT9000 N Exit from the menu item 1. After you have performed the setting, press the MENU button. This takes you out from the menu item, and you see  this: (2. If you want to change the setting you have done just...

  • Page 59: Clear Minimum And Maximum Values (14. Menu Item)

    DT9000 N 7.16. Clear minimum and maximum values (14. menu item) Function To clear the measured and stored mimimum and maximum values. Sequence of operations 1. Enter the menu by typing the supervisor code. The way the code should be type in is described in Chapter 7.1.

  • Page 60: Resetting The Default Settings (15. Menu Item)

    DT9000 N 7.17. Resetting the default settings (15. menu item) Function In this case all the settings are deleted, and the default factory setting is restored. Using this function makes sense in that case, when the settings of the instrument have changed so much, that it is easier to start the setting-up process from the default factory setting.

  • Page 61: Fault Rectification

    DATCON personnel. In the case of errors, it is recommended to notice of the displayed error message, as well as of the phenomenon seen. These information please communicate to the Datcon service personnel. 9. Dismounting 9.1. Dismounting procedure The steps described in Chapter 4.

  • Page 62: Appendix

    DT9000 N 10. Appendix 10.1. Technical specifications Power supply Supply: 4-20 mA, loop-powered Voltage drop: see: at Input parameters Reverse polarity protection: Maximum current: 80 mA Input parameters Input signal: Current Range: 3.5-20.5 mA Voltage drop: < 2 V (at 20 mA), < 2.2 V (at 4 mA)
  • Page 63 DT9000 N Measuring parameters: Characteristics: Linear Measuring frequency: 15 measurements / second Number of averaged samples: 1; 2; 4; 8; 16; 32 (adjustable) Limit outputs: Output type: optically isolated passive switching transistor Current in OFF condition: I < 0.1mA (at 9 V) Voltage in ON condition: U <...

  • Page 64: Application Example

    DT9000 N 10.2. Application example 20180614-V020180614...

  • Page 65: Error Messages

    DT9000 N 10.3. Error messages The instrument has a sophisticated self-testing function; it is capable of detecting the majority of the errors. All mnemonics (code words) presented on the display comes from English expressions in abbreviated form.  A/D overflow (Error: A/D Overflow) The loop current is too high, it cannot be measured.

  • Page 66: Messages Of Critical Errors

    10.4. Messages of critical errors Such errors are caused normally by structural injuries or damages. Repair is done by the service of Datcon. In case of error it is recommended to notice of the displayed error message, as well as of the phenomenon seen and communicate to the Datcon service personnel.

  • Page 67: Description Of The Menu Items

    DT9000 N 10.5. Description of the menu items You find a description of the menu items in the following part. A description on the handling of the menu is in Chapter 7. Settings.  Display modes of limit output status (Limit Displaying) [Default Factory Setting: OFF] ...
  • Page 68 DT9000 N  Physical value assigned to 4 mA The physical value to be assigned to the 4 mA loop current. Access is possible Any values can be defined for it within the minimum- by supervisor code only maximum interval that can be displayed . [Default factory setting: 4 000] ...
  • Page 69 DT9000 N  Changing the User Code (User Code) The new User Code must be typed in twice, in order to  avoid any typing errors. The mnemonic (Re-Type) warns you to type the code for the second time, after you have typed it once.

  • Page 70: Messages And Error Messages During Setting Up

    DT9000 N 10.6. Messages and error messages during setting up The following mnemonics may displayed when the settings are being performed.  The value you have defined is lower than permissible (Low Limit) The instrument has replaced the value you have defined to the permitted lowest value.

  • Page 71: Setting Up The Instrument (Example)

    10.7. Setting up the instrument (Example) Exercise There is a pressure transmitter with a measurement range of 5-150 bar corresponds to 4-20 mA. Let the settings of DT9000 N be the following: • Number of decimals: 2. • The physical value assigned for the 4 mA current: 5.00 •...
  • Page 72 DT9000 N Setting the physical 1. Pressing the ▲ button keep stepping as long as you see  value assigned to 20 mA this menu item: 2. Enter the menu item by pressing the ENTER button. 3. Pressing the ▲ button you can increase the value of the blinking number: 4.

  • Page 73: The Limit Outputs (Training Material)

    DT9000 N 10.8. The limit outputs (training material) Outputs The DT9000 N has two optically isolated limit outputs that work independently from each other. The two outputs are equivalent. The following information and examples relate to output No.1. All these, however, are applicable for output No.2 too, without modification.
  • Page 74 DT9000 N  Limit output sub-menu In the menu, the second menu-item ( ) contains all the parameters that relate to the limit output No.1. When you enter the menu, you get into a sub-menu. The menu structure is presented by the figure 7.2. Menu structure.
  • Page 75 DT9000 N Detailed description of The operating modes define the conditions under which the the operating mode limit output should switch ON depending on the value of the  measured and displayed physical signal.  Switched OFF The output is always switched OFF. [default factory setting] ...
  • Page 76 DT9000 N Example: Comment: the precondition for the following examples is  Hysteresis > 0 that the output is in mode, that is, it switches ON when the measured value ≥ L1.LL (low limit). The input signal has  an increasing characteristic, but rippled.
  • Page 77 DT9000 N Example: If you want the output to switch ON only once in the case of Hysteresis > 0 the signal presented by the previous example, then set the  value of the hysteresis higher than 0. In practice the hysteresis value could be depend from two aspects: •...
  • Page 78 DT9000 N Detailed description of the limit value operating modes   • : Switched OFF [this is the default factory setting] Independent of the measured value, the limit output is always switched OFF.   • : It switches ON, when: measured value ≥ low limit The output switches ON, if the displayed value ≥...
  • Page 79 DT9000 N   • : It switches ON, when the measured value < low limit The output switches ON, if the displayed value is lower than . the numerical value defined as the parameter. . In this operating mode the value of the parameter is indifferent: it does not influence the operation of the output.
  • Page 80 DT9000 N   • : It switches ON, when (measured value ≥ low limit) AND (measured value ≤ high limit) The output switches ON, when the displayed value ≥ . numerical value defined as the parameter AND, . besides, it is ≤ numerical value defined as the...
  • Page 81 DT9000 N    • : It switches ON, when (measured value < low limit) OR (measured value > high limit) The output switches ON, when the displayed value is lower  than the numerical value defined as the parameter ...
  • Page 82 DT9000 N Alarm Mode The limit output may work in Alarm mode too. This mode is  switched ON by the parameter. According to the  default factory setting it is switched off ( ). When the  Alarm mode is ON (...
  • Page 83 Example for the practical usage of the limit outputs There is a 100-litre tank, whose liquid level is indicated by the instrument DT9000 N in 0-100 litres, without decimals. Task: The limit output No.1 should control a pump, that switches ON when the liquid-level goes lower than 70 litres, and switches OFF when it goes higher than 90 litres.

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