Dini Argeo DGT1P User Manual
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Dini Argeo DGT1P User Manual

Dini Argeo DGT1P User Manual

Digital weight transmitter
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DGT1P
Digital weight transmitter
USER MANUAL
ENGLISH
www.diniargeo.com

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Summary of Contents for Dini Argeo DGT1P

  • Page 1 DGT1P Digital weight transmitter USER MANUAL ENGLISH www.diniargeo.com...

  • Page 3: Table Of Contents

    Electrical precautions Earthing of the system Technical features Load cell installation Wiring diagrams DGT1P - DGT1PAN Display and function of the keys Advanced programming menu Access to the advanced menu and saving the changes Function of the keys in the menu...
  • Page 4 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 Restoring the tare Alibi memory Enabling the alibi memory Saving a weighing operation in the alibi memory Reading the alibi memory Initialising the alibi memory Use functions...
  • Page 5 Cells / converter test Firmware release Serial number Display Keypad Serial ports Inputs Outputs Analog output (mod. DGT1PAN) Programming the Setpoints Restoring factory settings Date and time setting Alarms TECH_MAN_ENG_DGT1P...
  • Page 6 TECH_MAN_ENG_DGT1P...

  • 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 high speed DGT1P 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_DGT1P...

  • Page 14: Technical Features

    Technical features POWER SUPPLY 12 - 24 Vdc LPS or with class 2 power supply. MAXIMUM ABSORPTION DGT1P: 1 W (without load cells) DGT1PAN: 2 W OPERATING TEMPERATURE From -10°C to +40°C. DISPLAY DIVISIONS 10000e, 2 x 3000e for legal weighing, expandable up to 800,000 for internal use (with a minimum cell signal of 1.6 mV/V).

  • 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 must be properly connected to the terminal block of the transmitter (see section “Wiring diagrams”). The transmitter has one channel for 6-wire connection to load cells (using the SENSE). The SENSE allows you to compensate for any voltage drop on the section of cable connecting the transmitter to the load receiver.

  • Page 16: Wiring Diagrams

    Wiring diagrams DGT1P - DGT1PAN BOOT SEN+ EXC+ SEN- EXC- Internal use TECH_MAN_ENG_DGT1P...

  • Page 17: Display And Function Of The Keys

    Display and function of the keys Number Description Symbol Description Semi-automatic zeroing. Gross weight on zero. Decreases the selected digit. Semi-automatic tare. Unstable weight. Increases the selected digit. A tare is active. Activates the function. Selects the digit to be changed. A special function is active.

  • Page 18: 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 19: Block Diagram Of The Menu

    Block diagram of the menu 888888 f.mode funct Operating mode (page 33). React Reactivating functions. CloCk Date and time (page 48). tare Tare (page 29). rs.zero Zero restore (page 29). rs.tare Tare restore (page 30). setup ConfiG pre.Cal Calibration, filtering and metrological parameters Continued on page 20.
  • Page 20 Full ConfiG setup menu is displayed. Setup ConfiG pre.Cal ADC converter precalibration (page 25). param stabil Filter (page 25). auto-0 0-perC Zero parameters (page 28). 0.traCk div.stb Stability divisions (page 26). peak.fl Anti-peak filter. Grav x.xxxxx Gravity of calibration zone / zone of use (page 27). Calib deCi u.m.

  • Page 21: Theoretical Calibration

    Theoretical calibration 888888 f.mode Setup ConfiG pre.Cal Calib deCi u.m. ranGe1 theo.Ca Cel.sen Cel.CAp dead.ld kno.wGt CALIBRATION PROCEDURE: Set the calibration parameters: deCi = Number of decimals. u.m. = Unit of measurement (kG, G, t, lb). = Minimum division. ranGe1 = Maximum range. Set the cell data: sen.Cel = Cell sensitivity (given by the average mV/V value of cells).

  • Page 22: Calibration With Sample Weights

    Calibration with sample weights 888888 f.mode Setup ConfiG pre.Cal Calib deCi u.m. ranGe1 Calib.p n tp Tp 0 ddt1 tp 1 ddt2 Tp 2 ddt3 tp 3 CALIBRATION PROCEDURE: Set the calibration parameters: deCi = Number of decimals. u.m. = Unit of measurement (kG, G, t, lb). = Minimum division.
  • Page 23 Acquire the calibration points: Display View: Display View: Display View: n tP tp 0 press Unload the scale. Press and select the number of To acquire the zero point press calibration points using the keys (from 1 to 3). To confirm press Display View: Display View: Display View:...

  • Page 24: Manual Calibration

    Manual calibration 888888 f.mode Setup ConfiG pre.Cal 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, and then the last calibration point.

  • Page 25: Adc Converter Precalibration

    ADC converter precalibration 888888 f.mode Setup ConfiG pre.CAl Param For manufacturer use only Filter and stability Filter adjustment 888888 f.mode Setup ConfiG pre.CAl Param Param Stabil Stabil Filter Updating frequency (Hz) Response time (ms) 5000 High resolution or Oscillating loads 2500 1000 Simple weighing...

  • Page 26: Stability Detection Sensitivity

    Stability detection sensitivity It is possible to decide that tare and zero functions (from keypad or serial command / PLC) are performed only if the weight is stable. 888888 f.mode Setup ConfiG pre.Cal Param stabil div.stb The value 0 disables the stability control. From 0 to 99.

  • Page 27: Gravity

    Gravity 888888 f.mode Setup ConfiG pre.Cal 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 28: Reset Functions And Parameters

    Reset functions and parameters 888888 f.mode Setup ConfiG Pre.Cal 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. from 0 to 50%. Enabled, enter in C.PERC the maximum zeroable value enab C.perC from 0 to 10%.

  • Page 29: Restoring Zero

    Restoring zero 888888 F.mode funCt rs.zero DISAB 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 : If the auto-zeroing fail, the last zero in the memory before turning off the power is restored.

  • Page 30: 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 31: 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 F.mode...

  • Page 32: 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 33: Use Functions

    Use functions 888888 F.mode funCt viss Not visible if TYPE = IND.CH and N.CHAN > 1. peak Conver alibi none No function High resolution viss Weight display in high resolution (x10). Press the key to activate or deactivate the function. When the weight is displayed in high resolution, the light is lit.

  • Page 34: Digital Input Configuration

    Digital Input configuration The indicator has 2 configurable inputs (bidirectional optocouplers). 888888 f.mode Setup ConfiG inputs inp.01 Such as inp.02 ( = zero). inp.02 NoNE No function / managed by PLC. zero key. tare key. mode key. print key. key. Reboots the transmitter.

  • Page 35: Digital Output Configuration

    Digital Output configuration The indicator has 2 programmable outputs (photomosfet), expandable to 6 with C4OUT option. 888888 f.mode Setup ConfiG output out.01 Such as out.04. out.04 funC 0 none No function / managed by PLC. 1 Gros Setpoint on gross weight. 2 net Setpoint on net weight.

  • Page 36: Analog Output Configuration

    Analog output configuration The DGT1PAN model has an analog output in voltage (0 - 5 / 0 - 10 Vdc) or current (4 - 20 / 0 - 20 mA ). 888888 f.mode Setup ConfiG an.out mode ao.Gro Analog output for gross weight. ao.net Analog output for net weight.
  • Page 37 CALIBRATION PROCEDURE: Increase or decrease the D/A points Press to update the output value Connect a multimeter to the transmitter. value to reach the desired output. on the multimeter. 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 38: Serial Communication Configuration

    Serial communication configuration Both DGT1P and DGT1PAN models have an RS485 port. 888888 f.mode Setup ConfiG serial com.PC PCmode Transmission mode. baud Baud rate. parity Parity. Data bits. stop Stop bits. Transmission mode onde pCmode Transmission on demand. repe.6 Transmission of the weight on DINI ARGEO 6-digit repeater.

  • Page 39: 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. LEGEND: Indicates repeated pressing of Parameter visible only...

  • Page 40: 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 or dev.id 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)

  • Page 41: 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 42 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 43 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 44: 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 45 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 46: Diagnostics

    Diagnostics 888888 TYPE diaG Cells / converter test adC.uv Display of the µV related to the weight on the scale. 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 47: Serial Ports

    Serial ports Bridge between serial ports (for manufacturer’s use). 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. Outputs output Activation of the output shown on the display (rel.1 ÷...

  • Page 48: Restoring Factory Settings

    Restoring factory settings 888888 f.mode 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 F.mode...

  • Page 49: 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 50 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 52 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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