1. Manuals
  2. Brands
  3. Datcon Manuals
  4. Measuring Instruments
  5. DT4220 E Series
  6. Operating instructions manual

Datcon DT4220 E Series Operating Instructions Manual

Process indicator
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
DT4220 E xx xx xx (PS)
Process Indicator
Operating Instructions

Advertisement

Table of Contents
loading

Related Manuals for Datcon DT4220 E Series

Summary of Contents for Datcon DT4220 E Series

  • Page 1 DT4220 E xx xx xx (PS) Process Indicator Operating Instructions...

  • Page 2: Table Of Contents

    DT4220 E Contents . 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. Authorized personnel................5 2.2. Appropriate use ................... 5 2.3. Warning about misuse ................. 5 2.4. General safety instructions ..............5 2.5.
  • Page 3 DT4220 E Setting-up................31 7.1. Functions of the push-buttons during navigation in the menu .... 31 7.2. Typing the code (password) in............32 7.3. The menu structure ................33 7.4. The menu structure (detailed description).......... 34 7.5. Menu item 01: Display brightness............35 7.6.

  • Page 4: About This Document

    DT4220 E 1. About this document start 1.1. Function This operating instructions manual has all the information you need for quick set-up and safe operation of DT4220 E xx xx xx (PS). Please read this manual before you start setup. 1.2.

  • Page 5: For Your Safety

    For safety and warranty reasons, any internal work on the instruments must be carried out only by DATCON personnel. 2.2. Appropriate use The DT4220 E Process Indicator enable process variable 0-20 mA, 4- 20 mA, 0-10 V, 0-5 V, 2-10 V to be displayed in engineering units on the control panel.

  • Page 6: Product Description

    DT4220 E 3. Product description 3.1. Delivery configuration Delivered items The scope of delivery encompasses: • DT4220 E • 2 pc. mounting clamps (enclosed in a nylon bag) • documentation: this operating instructions manual warranty 3.2. Type designation 20180619-V0...

  • Page 7: Operating Principle

    DT4220 E 3.3. Operating principle Area of application The DT4220 xx xx xx (PS) Process Indicator enable process variable 0-20 mA, 4-20 mA, 0-10 V, 0-5 V, 2-10 V to be displayed in engineering units ont he control panel. Any optional display range can be assigned to the input signal range. Large 5 digit, 14.2 mm height LED display make process value easily visible at a distance.
  • Page 8 DT4220 E Operating principle The input current or voltage to be measured is led to the 23 bit A/D converter through a protection and signal condition circuit. The digital output signal of the A/D converter is processed by a microcontroller. The microcontroller drives the 5 digit LED display, processes the front panel membrane keypad, drives the limit relays, the analogue output and the communication output.

  • Page 9: Adjustment

    DT4220 E 3.4. Adjustment The instrument can be adjusted through the 3 button front panel keypad. All configuration parameters are stored in the instrument FRAM for unlimited time, even when the supply voltage being switched off. The instrument doesn't need any internal adjustment. 3.5.

  • Page 10: Mounting

    DT4220 E 4. Mounting 4.1. General instructions Mounting position Select a mounting position you can easily read the display reach for mounting and connecting the instrument and that minimizes the hazard of water, dust or dump getting into the instrument.. 4.2.

  • Page 11: Mounting

    DT4220 E 4.3. Mounting Preparatory steps The instrument is housed in a DIN standard ABS case. Fix it in the panel with the two enclosed mounting clamps. Dimensions of panel cutout 1. Cut-out the panel according to the figure shows above. The cut-out needs special tools, it must be carried out by trained specialist personnel.
  • Page 12 DT4220 E Mounting with the mounting clamps 1. Put on the enclosed seal onto the instrument case from the rear side and fit it to the instrument holding frame (Figure step 1). 2. Put the instrument into the prepared cut-out until it possible and check the fitting of the seal between case and mounting surface.

  • Page 13: Connecting

    DT4220 E 5. Connecting 5.1. Preparing the connection Always observe the following safety instructions: • Connect or disconnect only in the complete absence of line voltage • Take note the data concerning on the overcurrent protection in installation. • Use only a screwdriver with appropriate head Select connecting Take note the suitability of the connecting cable cable...
  • Page 14 DT4220 E Preparing cables Prepare the cable for the connection. Strip approx. 6 mm insulation. In case of using flexible cable, use crimped wire end. 20180619-V0...

  • Page 15: Connecting The Mains

    DT4220 E 5.2. Connecting the mains The following figure shows the wiring plan, connecting the a DT4220 E xx xx PS type instrument to the mains: Wiring plan, connecting the PS type instrument to the mains In case of DC supply the polarity is indifferent.
  • Page 16 DT4220 E The following figure shows the wiring plan, connecting the DT4220 E instrument to the low voltage power supply: Wiring plan, connecting the 24 V type instrument to the the low voltage power supply In case of DC supply the polarity is indifferent.

  • Page 17: Connecting To Active Current Transmitter

    DT4220 E 5.3. Connecting to active current transmitter The DT4220 E is a modern type of process indicator family. The old type (DT4220) and this new type have same functions and same options but the input signal connecting are not compatible. The following figure shows the wiring plan: Wiring plan 1.

  • Page 18: Connecting To Passive Current Transmitter

    DT4220 E 5.4. Connecting to passive current transmitter The DT4220 E is a modern type of process indicator family. The old type (DT4220) and this new type have same functions and same options but the input signal connecting are not compatible. The following figure shows the wiring plan: The instrument is connected to passive current transmitter via TS (transmitter supply) option.

  • Page 19: Connecting To Voltage Transmitter

    DT4220 E 5.5. Connecting to voltage transmitter The DT4220 E is a modern type of process indicator family. The old type (DT4220) and this new type have same functions and same options but the input signal connecting are not compatible. The following figure shows the wiring plan: Wiring plan 1.

  • Page 20: Connecting The Limit Relay Outputs (Option)

    DT4220 E 5.6. Connecting the limit relay outputs (option) The following figure shows the wiring plan: Wiring plan The following figure shows the using of the push-in direct connectors. The button can be pushed down easily. Please do not exercise forces higher than necessary, as it may cause damages to the terminal assembly.

  • Page 21: Connecting The Analogue Output (Option)

    DT4220 E 5.7. Connecting the analogue output (option) The following figure shows the wiring plan: Wiring plan 1. Pull out the terminal so you can make connection easier. 2. Loosen terminal screws. 3. Insert the wire ends into the open terminals according to the wiring plan.

  • Page 22: Connecting The Rs-232 Modbus Communication Output (Option)

    DT4220 E 5.8. Connecting the RS-232 MODBUS communication output (option) The following figure shows the wiring plan: Wiring plan 1. Pull out the terminal so you can make connection easier. 2. Loosen terminal screws. 3. Insert the wire ends into the open terminals according to the wiring plan.

  • Page 23: Connecting The Rs-485 Modbus Communication Output (Option)

    DT4220 E 5.9. Connecting the RS-485 MODBUS communication output (option) The following figure shows the wiring plan: Wiring plan 1. Pull out the terminal so you can make connection easier. 2. Loosen terminal screws. 3. Insert the wire ends into the open terminals according to the wiring plan.

  • Page 24: Connecting The Transmitter Supply (Ts) Output (Option)

    DT4220 E 5.10. Connecting the transmitter supply (TS) output (option) The following figure shows the wiring plan: Wiring plan 1. Pull out the terminal so you can make connection easier. 2. Loosen terminal screws. 3. Insert the wire ends into the open terminals according to the wiring plan.

  • Page 25: Display And Manual Controls

    DT4220 E 6. Display and manual controls 6.1. The first start-up The factory default setting is: Selected input signal: 4-20 mA Scaling: 4 mA ÷ 20 mA ÷ 100% When the input current is 0 mA, you can see . on the display.

  • Page 26: Characters And Mnemonics Appearing On The Display

    DT4220 E 6.2. Characters and mnemonics appearing on the display DT4220 E 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 27 DT4220 E Login text DT - Datcon instrument.  Type of the instrument.  No option is installed. (No Option)  Analogue output option is installed.  Communication option (RS-485 or RS-232) is installed.  Transmitter Supply output option is installed.
  • Page 28 DT4220 E  During code writing Code? (Code) - type in the code!  Bad code (Bad Code)  A User login took place (User)  A Supervisor login took place (Supervisor)  During setting The typed number is lower than allowed (Low Limit) ...

  • Page 29: Functions Of The Push-Buttons During Measurement

    DT4220 E 6.3. Functions of the push-buttons during measurement The DT4220 E is a modern type of process indicator family. The old type (DT4220) and this new type have same functions and same options but the function of buttons at menu not compatible. The following figure shows the push buttons: (1) ►...

  • Page 30: Indicators

    DT4220 E 6.4. indicators (1) Rel 1: limit output indicator (yellow) indicates that the limit output 1 is in "on-state" (LIMIT1). (2) Rel 2: limit output indicator (yellow) indicates that the limit output 1 is in "on-state" (LIMIT2). (3) Status: Communication status indicator (yellow) The indicator gives light for 0.1 sec when a succesfull data exchange has granted through the communication output.

  • Page 31: Setting-Up

    DT4220 E 7. Setting-up 7.1. Functions of the push-buttons during navigation in the menu The DT4220 E is a modern type of process indicator family. The old type (DT4220) and this new type have same functions and same options but the function of buttons at menu not compatible. ►...

  • Page 32: Typing The Code (Password) In

    DT4220 E 7.2. Typing the code (password) in The importance of the You may enter the menu only after you have typed your code in. The code code is made from 4 numeric characters. This solution prevents unauthorised persons from changing the settings of the instrument. Levels of authorisation User level: allows the modification of the most necessary parameters only.

  • Page 33: The Menu Structure

    DT4220 E 7.3. The menu structure The following figure shows the menu structure. The detailed description is on next pages. Comment: The menu items shown in grey appear only in the case of a supervisor-level login. 20180619-V0...

  • Page 34: The Menu Structure (Detailed Description)

    DT4220 E 7.4. The menu structure (detailed description) The menu items  01. brightness - Display brightness * 02. input - Input selection * 03. decimal point - Decimal point position * 04. low - Low value of scale * 05. high - High value of scale ...

  • Page 35: Menu Item 01: Display Brightness

    DT4220 E 7.5. Menu item 01: Display brightness Function The brightness can be set between 10%-100%, in 10% steps. [factory default: 100%] Sequence of operations Read the chapter 7.1. Functions of the push-buttons during navigation in the menu for learning the buttons handle. 1.

  • Page 36: Menu Item 03: Decimal Point Position

    DT4220 E 7.7. Menu item 03: Decimal point position Function Setting the position of the decimal point on the display, or switching the decimal point off. [Default factory setting: 2 decimals] Sequence of operations Read the chapter 7.1. Functions of the push-buttons during navigation in the menu for learning the buttons handle.

  • Page 37: Menu Item 05: High Value Of Scale

    DT4220 E 7.9. Menu item 05: High value of scale Function Any optional display range can be assigned to the input signal range (scaling). Here you can set the high value of the desired display range. [Factory default: 100.00] Note! For scaling the displayed value you should set the low value also.

  • Page 38: Menu Item 07: Rounding Displayed Value

    DT4220 E 7.11. Menu item 07: Rounding displayed value Function In some case it can be useful to round the displayed value. E.g. the measured physical quantity is noisy. In this menu item you can select a rounding value. [Factory default: 1] Sequence of operations Read the chapter 7.1.

  • Page 39: Menu Item 10 And 11: Setting Limit Outputs

    DT4220 E 7.13. Menu item 10 and 11: Setting limit outputs Function The instrument has two optional 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 or output OFF depending whether the displayed value is higher or lower than the limit value.

  • Page 40: Setting The Operating Mode

    DT4220 E 7.13.1. Setting the operating mode Function Here you can define the operating mode of limit output. [Factory default: OFF] Sequence of operations Read the chapter 7.1. Functions of the push-buttons during navigation in the menu for learning the buttons handle. 1.

  • Page 41: Low Limit Value

    DT4220 E 7.13.2. Low limit value Function The instrument compares the displayed value with this low limit value. Here you can define the numerical value by which the device will compare the measured physical values. [Factory default: 050.00] Sequence of operations Read the chapter 7.1. Functions of the push-buttons during navigation in the menu for learning the buttons handle.

  • Page 42: Hysteresis Of The Limit Output

    DT4220 E 7.13.3. Hysteresis of the limit output Function Here you can define a numerical value which provides the hysteresis of the limit output. If the operating mode is OFF or HEATING or COOLING or ON then the hysteresis value will be indifferent because the instrument does not use hysteresis.

  • Page 43: High Limit Value

    DT4220 E 7.13.4. High limit value Function Here you can define a second numerical value with which the instrument will compare the displayed value when the selected operating mode is INSIDE, OUTSIDE, HEATING, COOLING. In other operating modes this value has no effect on the operation. [Factory default: 090.00] Sequence of operations Read the chapter 7.1.

  • Page 44: Menu Item 14: Limit Output State Display Mode

    DT4220 E 7.14. Menu item 14: Limit output state display mode Function The state of limit outputs may present on the display. Here you can set the condition of presenting the states. [Factory default: dynamic] Sequence of operations Read the chapter 7.1. Functions of the push-buttons during navigation in the menu for learning the buttons handle.

  • Page 45: Menu Item 16: Analog Output Signal Setting

    DT4220 E 7.15. Menu item 16: Analog output signal setting Function In this menu item you can choose between 4-20 mA and 0-20 mA output current. [Factory default: 4-20 mA] The analog output can indicate the error state too. When the error occurs the analog signal changes to 3.2 mA or 22 mA.

  • Page 46: Menu Item 17: Assignment Analog Output Low (Start) Value To Display Value (Scaling)

    DT4220 E 7.16. Menu item 17: Assignment analog output low (start) value to display value (scaling) Function Here you can assign analog output start value (0 mA or 4 mA) to the measured physical value. This way you can assign any phisical range to any output range.

  • Page 47: Menu Item 19: Modbus Communication Settings

    DT4220 E 7.18. Menu item 19: MODBUS communication settings Function The instrument can be connected to a PLC or to a computer for MODBUS RTU slave protocol communication. Here you can find how to set communication parameters. Note 1: When no communication option is installed than these parameters are indifferent.

  • Page 48: Menu Item 21: Changing The User Code

    DT4220 E 7.20. Menu item 21: Changing the user code Function You can define new codes instead of the factory-defined user code. The code is an optional number within the range between 0000 and 9999. [Default factory setting: 0000] Sequence of operations Read the chapter 7.1. Functions of the push-buttons during navigation in the menu for learning the buttons handle.

  • Page 49: Menu Item 23: Resetting The Default Settings

    DT4220 E 7.22. Menu item 23: Resetting the default settings 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 50: Fault Rectification

    8.2. Repairing In accordance with Point 2.1..: For safety and warranty reasons, any internal work on the instrument must be carried out by DATCON personnel. In the case of errors, it is recommended to notice of the displayed error message, as well as of the phenomenon seen.

  • Page 51: Dismounting

    DT4220 E 9. Dismounting 9.1. Dismounting procedure The following figure shows the dismounting procedures: Dismounting Before put off power supply and disconnect all wires. 1. Slip the tip of the screwdriver into the hole of the mounting clamp (A) (Figure step 1). 2.

  • Page 52: Appendix

    DT4220 E 10. Appendix 10.1. Technical specifications * = default settings Input parameters Input signal: DC current / DC voltage Measuring range: 0-20 mA / *4-20 mA 0-10 V / 2-10 V / 0-5 V Input resistance: 10 Ω (current input) 100 kΩ...
  • Page 53 DT4220 E Active analog output (optional) Output type: galvanic isolated DC current Output ranges: *4-20 mA / 0-20 mA (scalable) Characteristic: Linear Accuracy at 23 °C ±2 °C, after 10 min warm up 0.03% time: Accuracy at whole operating temperature 0.4 % range: Temperature-dependency:...
  • Page 54 DT4220 E Communication interface (optional) Type: RS232 or RS485, (isolated) Isolation voltage: 0.5 kV RS-485 termination resistance: 135 ohm, you can switch on by using a short on the terminals Baud rate: 300 / 600 / 1200 / 2400 / 4800 / *9600 Baud Parity: *even / odd / none Protocol:...

  • Page 55: Modbus Registers

    DT4220 E 10.2. MODBUS registers These registers are read only. MODBUS address: 1000 Displayed value: 32 bit, signed, integer. This value is without reference to the place of decimal point. 1002 Number of decimal character (0-4). 1003 Error (0 = no error, 1 = repearing must be carried out in service, 4 = the input signal is out of the specificed ranges).

  • Page 56: Application Example

    DT4220 E 10.3. Application example Analog output option: Use the current input or the voltage input only. Do not use (do not wire) both at the same time! 20180619-V0...
  • Page 57 DT4220 E RS232 communication interface option: Use the current input or the voltage input only. Do not use (do not wire) both at the same time! 20180619-V0...
  • Page 58 DT4220 E RS485 communication interface option: Use the current input or the voltage input only. Do not use (do not wire) both at the same time! 20180619-V0...
  • Page 59 DT4220 E Shematic for units of RS-485 communication: 20180619-V0...

This manual is also suitable for:

Dt4220 e ps series

Table of Contents