Dini Argeo DGT4X Technical Manual
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Dini Argeo DGT4X Technical Manual

Digital weight transmitter with 4 channels
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DGT4X
Digital weight transmitter with 4 channels
TECHNICAL MANUAL_V1
ENGLISH
www.diniargeo.com

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Summary of Contents for Dini Argeo DGT4X

  • Page 1 DGT4X Digital weight transmitter with 4 channels TECHNICAL MANUAL_V1 ENGLISH www.diniargeo.com...

  • Page 3: Table Of Contents

    Quick menu Advanced programming menu Access to the advanced menu and saving the changes Function of the keys in the menu Block diagram of the menu Mode of use of the DGT4X Theoretical calibration Dependent channels Theoretical calibration Independent channels...
  • Page 4 Manual calibration Quick zero calibration (pre-tare reset) Filter and stability Filter adjustment Stability detection sensitivity Gravity Reset functions and parameters Auto-zeroing on start-up Maximum percentage of manual zeroing Zero tracking Restoring zero Semi-automatic zeroing Tare functions and parameters Tare mode Semi-automatic tare Predetermined tare Clearing the tare...
  • Page 5 Serial communication configuration Selection of the PC serial port Configuration of the printer port (COM.PRN) Transmission mode Baud rate, parity, data bits, stop bits Printer power on mode CTS signal Print language Reactivation of printing Configuration of the PC port (COM.PC) Transmission mode Baud rate, parity, data bits, stop bits USB port...
  • Page 6 TECH_MAN_ENG_DGT4X...

  • Page 7: Introduction

    Thank you for purchasing a DINI ARGEO product. This manual contains all the instructions for a correct installation and commissioning of the DGT4X 4-channel digital weight transmitter. While thanking you for purchasing this product, we would like to draw your attention to some aspects of this manual.

  • Page 8: Transmitter Installation

    Transmitter installation Installation requirements Observe the following conditions for correct installation of the transmitter and of the load receiver: • Flat, level support surface. • Stability and absence of vibrations. • Absence of aggressive dusts and vapours. • Absence of draughts. •...

  • Page 9: Electrical Precautions

    Electrical precautions • Use a regulated mains supply within ± 10% of the rated voltage. • The electrical protections (fuses, etc.) are the responsibility of the installer. • Observe the recommended minimum distances between cables of different categories (see table on page 10). •...
  • Page 10 RECOMMENDED DISTANCES AND CABLE CLASSIFICATION Category I Category II Category III Category IV ≥ 100 mm ≥ 200 mm ≥ 500 mm Distance ≥ 100 mm ≥ 500 mm ≥ 500 mm Fieldbus, LAN network (PROFIBUS, Ethernet, Devicenet...). Shielded data cables DC supply cables with (RS232...).

  • Page 11: Earthing Of The System

    Earthing of the system For correct earthing and optimal system operation, the transmitter, load cells, junction box, if any, and weighing structure must be earthed. TRANSMITTER The earth connection must be made via the appropriate terminal. The cable cross-section must be less than 2.5 mm LOAD CELLS AND JUNCTION BOX The connection must be made by connecting the earth cables to the earth bar (cables that must have a cross-section of at least 16 mm finally, connect the earth bar to the earth post with a cable having a cross-section of at least 50 mm...
  • Page 12 EXAMPLE OF EARTHING OF A WEIGHBRIDGE Weight transmitter Junction box placed on the side wall of the pit Load cell Weighbridge Earth cables Ø 8 - sec. 50 mm Ø 11.3 - sec. 100 mm Drilled copper plate positioned on the side wall Weighbridge Earth post Load cell bypass jumper...
  • Page 13 EXAMPLE OF EARTHING OF A SILO Protective earth by- pass for the load cell Load cell TECH_MAN_ENG_DGT4X...

  • Page 14: Technical Features

    Technical features POWER SUPPLY 12 - 24 Vdc LPS or with class 2 power supply. MAXIMUM ABSORPTION DGT4X: 4 W (without load cells) DGT4XAN: 4.5 W DGT4XPB: 4.5 W DGT4XETHIP, DGT4XPRONET, DGT4XETHCAT, DGT4XMODTCP: 7.5 W DGT4COPEN, DGT4DEVNET: 4.5 W OPERATING TEMPERATURE From -10°C to +40°C.

  • Page 15: Load Cell Installation

    Load cell installation After carrying out the instructions for the platform or load receiver, the shielded cable from the cell(s) must be properly connected to the terminal block(s) of the transmitter (from CELL1 to CELL4; see section “Wiring diagrams”). The transmitter has one channel (CELL1) for 6-wire connection to load cells (using the REFERENCE), while for the remaining channels CELL 3 CELL 2 CELL 1...

  • Page 16: Wiring Diagrams

    Wiring diagrams DGT4X 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 LOAD CELL 4 LOAD CELL 3 LOAD CELL 2 LOAD CELL 1 JUMPER J1 Internal use RS485 RS232 11 12...

  • Page 17: Dgt4Xan

    DGT4XAN 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 LOAD CELL 4 LOAD CELL 3 LOAD CELL 2 LOAD CELL 1 JUMPER J1 Internal use ANALOG RS232 RS485 16 17 11 12 13 14 15 TECH_MAN_ENG_DGT4X...

  • Page 18: Dgt4Xpb

    DGT4XPB 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 LOAD CELL 4 LOAD CELL 3 LOAD CELL 2 LOAD CELL 1 JUMPER J1 PROFIBUS Internal use PORT RS485 16 17 TECH_MAN_ENG_DGT4X...

  • Page 19: Dgt4Xethip, Dgt4Xethcat, Dgt4Xpronet, Dgt4Xmodtcp

    DGT4XETHIP, DGT4XETHCAT, DGT4XPRONET, DGT4XMODTCP 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 LOAD CELL 4 LOAD CELL 3 LOAD CELL 2 LOAD CELL 1 JUMPER J1 Internal use RS485 16 17 TECH_MAN_ENG_DGT4X...

  • Page 20: Dgt4Xcanop

    DGT4XCANOP 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 LOAD CELL 4 LOAD CELL 3 LOAD CELL 2 LOAD CELL 1 JUMPER J1 Internal use RS485 16 17 TECH_MAN_ENG_DGT4X...

  • Page 21: Dgt4Xdevnet

    DGT4XDEVNET 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 LOAD CELL 4 LOAD CELL 3 LOAD CELL 2 LOAD CELL 1 JUMPER J1 Internal use RS485 16 17 TECH_MAN_ENG_DGT4X...

  • Page 22: Display And Function Of The Keys

    Display and function of the keys CELL 4 CELL 3 CELL 2 CELL 1 ZERO TARE MODE PRINT INPUT RELA YS ANALOG Symbol Description Symbol Description Semi-automatic zeroing. Gross weight on zero. Decreases the selected digit. Semi-automatic tare. Unstable weight. Increases the selected digit.

  • Page 23: Advanced Programming Menu

    Advanced programming menu The advanced menu contains all the transmitter configuration parameters for the most advanced adjustments. Access to the advanced menu and saving the changes Reboot the transmitter. Press the key when the display shows 888888. HOW TO EXIT THE SETUP AND SAVE CHANGES Press several times, until the display shows “save?”.

  • Page 24: Block Diagram Of The Menu

    Block diagram of the menu 888888 TYPE Mode of use (page 26). f.mode funct Operating mode (page 42). React Reactivating printing (page 50). CloCk Date and time (page 62). tare Tare (page 38). rs.zero Zero restore (page 38). rs.tare Tare restore (page 39). setup ConfiG nChan...
  • Page 25 Full ConfiG setup menu is displayed. Setup ConfiG nChan Number of channels used. Calibration (page 27 / 28 / / 31). Chan Channel to be configured. Calibration (page 28 / 31). param stabil Filter (page 35). auto-0 0-perC Zero parameters (page 37). 0.traCk div.stb Stability divisions (page 35).

  • Page 26: Mode Of Use Of The Dgt4X

    Mode of use of the DGT4X 888888 TYPE dep.Ch Smart junction box mode. ind.Ch Multi-scale mode. Mode 1 “DEP.CH” Allows you to connect the load cells (from 2 to 4) directly and to equalise them. CELL 3 CELL 2 CELL 1...

  • Page 27: Theoretical Calibration

    Theoretical calibration Dependent channels 888888 TYPE dep.Ch Setup ConfiG nChan Calib deCi u.m. ranGe1 theo.Ca Cel.sen Cel.CAp dead.ld kno.wGt CALIBRATION PROCEDURE: Select mode of use dep.Ch. Set the number of channels used (from 1 to 4). Set the calibration parameters: deCi = Number of decimals.

  • Page 28: Theoretical Calibration

    Theoretical calibration Independent channels 888888 TYPE ind.Ch Setup ConfiG nChan Chan Calib deCi u.m. ranGe1 theo.Ca Cel.sen Cel.CAp dead.ld kno.wGt CALIBRATION PROCEDURE: Select mode of use ind.Ch. Set the number of connected scales (from 1 to 4). Select the scale to be calibrated (from 1 to 4). Set the calibration parameters: deCi = Number of decimals.

  • Page 29: Calibration With Sample Weights

    Calibration with sample weights Dependent channels (with digital equalisation) 888888 TYPE dep.Ch Setup ConfiG nChan Calib deCi u.m. ranGe1 Calib.p equal n tp Tp 0 ddt1 tp 1 ddt2 Tp 2 ddt3 tp 3 CALIBRATION PROCEDURE: Select mode of use dep.Ch. Set the number of connected scales (from 1 to 4).
  • Page 30 Acquire the calibration points: Display View: Display View: Display View: n tP tp 0 press Press and select the number of calibration Unload the scale. To acquire the zero point press points using the keys (from 1 to 3). To confirm press Display View: Display View: Display View:...

  • Page 31: Independent Channels

    Independent channels 888888 TYPE ind.Ch Setup ConfiG nChan Setup ConfiG Chan Calib deCi u.m. ranGe1 Calib.p n tp Tp 0 ddt1 tp 1 ddt2 tp 2 ddt3 tp 3 CALIBRATION PROCEDURE: Select mode of use ind.Ch. Set the number of connected scales (from 1 to 4). Select the scale to be calibrated (from 1 to 4).
  • Page 32 Acquire the calibration points: Display View: Display View: Display View: n tP tp 0 press Press and select the number of calibration Unload the scale. To acquire the zero point press points using the keys (from 1 to 3). To confirm press Display View: Display View: Display View:...

  • Page 33: Equalisation

    Equalisation If the dependent channel mode has been set, you can improve the accuracy of the system by digitally equalising the connected cells. 888888 dep.Ch TYPE Setup ConfiG Calib deCi Visible only if Calib.p equal reset? type = Dep.Ch Display View: Display View: Display View: eq 0...

  • Page 34: Manual Calibration

    Manual calibration 888888 TYPE Setup ConfiG Calib deCi man.Cal If you know the number of ADC converter points for a known weight (for example if you want to copy the calibration from one transmitter to another) the calibration points can be entered manually: The display shows mod.pnt, proceed by pressing the key.

  • Page 35: Filter And Stability

    Filter and stability Filter adjustment 888888 TYPE Setup ConfiG Param Stabil Filter Updating frequency of the display Response time on the display (ms) and of the PC port (Hz) 1 channel 4 channels 1 channel 4 channels 5000 8000 High resolution or Oscillating loads 2500 5000...

  • Page 36: Gravity

    Gravity 888888 TYPE Setup ConfiG param From 9.75001 to 9.84999. Grav = 9.80390. This parameter allows you to correct the gravity acceleration value. Before calibration, set the value of the calibration zone. Next, set this value to the value of the zone of use. Any difference between the two values will be automatically compensated.

  • Page 37: Reset Functions And Parameters

    Reset functions and parameters 888888 TYPE Setup ConfiG param stabil auto.0 % auto-zeroing on start-up. 0-perC % manual zeroing. 0.traCk Zero tracking. Auto-zeroing on start-up auto.0 disab Disabled. enab C.perC Enabled, enter in C.PERC the % value of the capacity. from 0 to 50%.

  • Page 38: Restoring Zero

    Restoring zero 888888 Type F.mode funCt DISAB rs.zero Zero restoring disabled. Zero restoring enabled. ENAB • If auto.0 = disab: The last zero in the memory before turning off the power is always restored. • If auto.0 = enab / CyCle: The last zero in the memory before turning off the power is restored only if the auto-zeroing fails.

  • Page 39: Predetermined Tare

    Predetermined tare By holding down the key, or by means of the predetermined tare command, it is possible to enter a tare value manually. For a moment the display shows “-tm-” and shows the tare present (or 0 if no tare is present). Enter the tare value and press to confirm.

  • Page 40: Alibi Memory

    Alibi memory The alibi memory allows you to store the weight values transmitted to the computer for further processing and/or data integration. The stored values can then be retrieved from the PC port or directly on the display of the transmitter for later checking. Enabling the alibi memory 888888 Type...

  • Page 41: Reading The Alibi Memory

    Reading the alibi memory FROM THE TRANSMITTER (MANUAL) By pressing the key you can read a saved weight: you will be asked to enter the rewrite number “rew.id” (from 0 to 255) and the ID number “id” (from 0 to 131072). The weighing data are shown.

  • Page 42: Use Functions

    Use functions 888888 Type F.mode funCt viss peak Conver alibi none High resolution Weight display in high resolution (x10). Press the key to activate or deactivate the function. viss When the weight is displayed in high resolution, the light is lit. In the case of an approved transmitter, the high-resolution weight display is automatically deactivated after 5 seconds.

  • Page 43: Input Configuration

    Input configuration The indicator has 2 configurable inputs (bidirectional optocouplers). 888888 TYPE Setup ConfiG inputs inp.01 Such as inp.02 ( = zero). inp.02 NoNE No function. zero key. tare key. mode key. print key. key. Reboots the transmitter. Dis.key Disable keypad (and re-enable). INPUT CONNECTION: The input is activated when there is a potential difference between terminals 4 - 5 (IN1 and IN2) and terminal 3 (INCOM).

  • Page 44: Output Configuration

    Output configuration The indicator has 2 programmable outputs (photomosfet). 888888 TYPE Setup ConfiG output out.01 Such as out.02. out.02 funC 0 none No function. 1 Gros Setpoint on gross weight. 2 net Setpoint on net weight. 4 Gro.0 Gross weight on zero. 5 net.0 Net weight on zero.

  • Page 45: Analog Output Configuration

    Analog output configuration The DGT4XAN model has an analog output in voltage (0 - 5 / 0 - 10 Vdc) or current (4 - 20 / 0 - 20 mA ). 888888 TYPE Setup ConfiG an.out mode ao.Gro Analog output for gross weight. ao.net Analog output for net weight.
  • Page 46 CALIBRATION PROCEDURE: Press to update the output value on Increase or decrease the D/A points Connect a multimeter to the transmitter. the multimeter. value to reach the desired output. Enter the parameter to be changed: ao 0v ao 10v ao 0ma 100 D/A points ~ 0.015 V - 0.035 mA ao.20ma and set an approximate value.

  • Page 47: Serial Communication Configuration

    Serial communication configuration The transmitter has 3 serial ports (COM1 / 232, COM2 / 485, USB) that can be used indiscriminately to communicate: • In bidirectional mode with the PC / PLC (“PC” port); • In one-directional mode with the PC, thermal printer, repeater (“PRN” port); The USB port always allows quick connection to the PC to change / save / restore the transmitter settings at any time.

  • Page 48: Configuration Of The Printer Port (Com.prn)

    Transmission not enabled. prpC.hk Transmission of the weight value when the key is pressed. repe.6 Transmission of the weight to DINI ARGEO 6-digit repeater. prPC.ex Extended string transmission when the key is pressed. prpC.st Standard string transmission when the key is pressed.

  • Page 49: Baud Rate, Parity, Data Bits, Stop Bits

    Baud rate, parity, data bits, stop bits baud.pr 9600 4800 2400 1200 115200 57600 38400 19200 prty.pr none No parity, 8 data bits, 1 stop bit. even Even. Odd. bit.pr 8 bits. 7 bits. stop.pr 1 stop bit. 2 stop bits. Printer power on mode It is possible to set the way the printer is turned on: pWR.PRN...

  • Page 50: Reactivation Of Printing

    Stop bits. Transmission mode pCmode onde Transmission on demand. repe.6 Transmission of the weight on DINI ARGEO 6-digit repeater. Prin.st Standard string transmission when the key is pressed. prin.ex Extended string transmission when the key is pressed. Transmission with 485 protocol (enter the 485 address of the transmitter).

  • Page 51: Baud Rate, Parity, Data Bits, Stop Bits

    Baud rate, parity, data bits, stop bits baud 9600 4800 2400 1200 115200 57600 38400 19200 none parity No parity, 8 data bits, 1 stop bit. even Even. Odd. 8 bits. 7 bits. stop 1 stop bit. 2 stop bits. USB port Configuration of the USB port 888888...

  • Page 52: Communication Protocols

    Communication protocols Standard string [01]ST,GS, 0.0,kg<CR><LF> Where: Transmitter code 485 (2 characters), only if communication mode 485 is enabled Scale status (2 characters): US - Unstable weight ST - Stable weight OL - Weight overload (out of range) UL - Weight underload (out of range) Character ASCII 044 Type of weight data (2 characters) GS - Gross...

  • Page 53: Multi-Scale String

    Multi-scale string If type = ind.Ch and nChan ≥ 2 [01]ST, 612,kg,ST, 61.4, t,ST, 6.17, g,ST, 0.617,lb Where: Transmitter code 485 (2 characters), only if communication mode 485 is enabled Scale 1 status (2 characters): US - Unstable weight ST - Stable weight VL - Microvolts RZ - Converter points Character ASCII 044...

  • Page 54: Serial Commands

    Serial commands By selecting the PC port on demand mode (onde), you can communicate with the transmitter via serial commands. For each command received, the transmitter emits a string containing the response (refer to the command description) or one of the following signals: OK<CRLF>...
  • Page 55 PRESSING A KEY Format Key code. To simulate pressing a key, you must send the KEYP and KEYR commands in succession. If more than 1.5 s pass after the KEYP command is sent, Where the transmitter will execute the function associated with prolonged pressing of the key.
  • Page 56 READING OF MICROVOLTS READING OF CONVERTER POINTS Format Format Response Standard string. Response Standard string. INITIALISING ALIBI MEMORY WEIGHT READING WITH DATE AND TIME Format Format Response ALDLOK / ALDLNO Response Extended string. READING A WEIGHING OPERATION IN THE ALIBI MEMORY Format Response Scale number.

  • Page 57: Modbus Protocol

    Modbus Protocol MODBUS REGISTERS FOR DATA READING (SINGLE SCALE) Data Register DESCRIPTION 30001 Gross Weight Gross weight value. 30002 30003 Net Weight Net weight value. 30004 Bit 15 Active channel. (msb) Bit 14 Active channel. Bit 13 No function. Bit 12 No function.
  • Page 58 MODBUS REGISTERS FOR DATA READING (MULTI-SCALE) Data Register DESCRIPTION Bit 15 (msb) No function. Bit 8 (lsb) Bit 7 Preset tare (0 = “no”; 1 = “yes”). (msb) Bit 6 Active tare (0 = “no”; 1 = “yes”). Status register 40202 Bit 5 Net weight polarity (0 = “+”;...
  • Page 59 MODBUS REGISTERS FOR SENDING COMMANDS Data Register DESCRIPTION Main commands available: Value Command 00 Hex No command 01 Hex Zero 02 Hex Tare Command 40001 03 Hex Predetermined tare 0A Hex Setting setpoint 1 0B Hex Setting setpoint 2 19 Hex Setting digital outputs 22 Hex Rebooting the transmitter...

  • Page 60: Diagnostics

    Diagnostics 888888 TYPE diaG Cells / converter test Display of the µV related to the weight on the scale. adC.uv Use the keys to display the different channels (in dep.Ch mode the sum is also visible). For correct operation, the value of the µV of each channel must be less than 30000 with a weight equal to the maximum capacity. This value must be stable, and increase if a load is applied to the cell.

  • Page 61: Serial Ports

    Serial ports Bridge between serial ports (for manufacturer’s use). CTS signal Cts.st. Checking the CTS signal of the printer (on) connected to the PRN port. Inputs inputs Checking the status of the inputs: value 0 indicates that the input is disabled, value 1 indicates that the input is enabled. Use the keys to display the two inputs.

  • Page 62: Restoring Factory Settings

    Restoring factory settings 888888 TYPE Setup ConfiG defau The transmitter is initialized and the default parameters (indicated by the symbol) are activated. Pressing the display shows “dflt?” confirm further with or exit by pressing another key. The actual activation of the default parameters is performed by saving the settings (save?) while exiting the menu. Date and time setting 888888 TYPE...

  • Page 63: Alarms

    Alarms Alarm Description preC Displayed if you try to calibrate a point without first confirming the number of calibration points (n tp). er.mot Calibration error: unstable weight during point acquisition. erpnt Calibration error: during the acquisition of a calibration point a NULL value was read from the converter. Error that occurs if the capacity of channel X is not set, or there is an error in the calibration parameters of err.x.1 channel X, where X indicates the number of the channel to which the error refers.
  • Page 64 Notes This publication, part reproduced without written permission from Manufacturer. information this manual based data available time publication; Manufacturer reserves right make changes products time, without notice without incurring penalty. therefore recommend that always check updates. person responsible scale must ensure that safety...
  • Page 65 Notes TECH_MAN_ENG_DGT4X...
  • Page 66 Notes TECH_MAN_ENG_DGT4X...
  • Page 68 Stamp of the authorized service center HEAD OFFICE Via Della Fisica, 20 41042 Spezzano di Fiorano, Modena - Italy Tel. +39 0536 843418 - Fax +39 0536 843521 SERVICE ASSISTANCE Via Dell’Elettronica, 15 41042 Spezzano di Fiorano, Modena - Italy Tel.

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