Dini Argeo DGT1 User Manual
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Dini Argeo DGT1 User Manual

Dini Argeo DGT1 User Manual

Digital weight transmitter
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DGT1
Digital weight transmitter
For DGT1 with firmware release minimum 08.03
www.diniargeo.com
USER MANUAL
RS232
CELL
18
17
16
15
14 13 12
11 10
TX
RX
GND
EXC- EXC+
SEN- SEN+
SIG-
SIG+
AN ALOG
RS485
POWE R
9
7
8
4
5
6
3
1
2
I-
V+
V-
B(-)
I+
+24Vdc GND
A(+)
ENGLISH

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Summary of Contents for Dini Argeo DGT1

  • Page 1 DGT1 Digital weight transmitter USER MANUAL ENGLISH RS232 CELL 14 13 12 11 10 EXC- EXC+ SEN- SEN+ SIG- SIG+ AN ALOG RS485 POWE R B(-) +24Vdc GND A(+) For DGT1 with firmware release minimum 08.03 www.diniargeo.com...

  • Page 3: Table Of Contents

      11 Earthing of the system   14 Technical features   15 Load cell installation Wiring diagrams   16   16 DGT1   17 DGT1AN   18 DGT1IO Display and function of the keys   19 Advanced programming menu   20  ...
  • Page 4 Zeroing parameters   30   30 Auto-zeroing on ignition   30 Maximum percentage of manual zeroing   30 Zero tracking   31 Restoring zero   31 Semi-automatic zeroing Tare functions and parameters   32   32 Tare mode   32 Semi-automatic tare  ...
  • Page 5   43 Transmission mode   44 Baud rate, parity, data bits, stop bits Communication protocols   45   45 Standard string   45 Extended string   46 Serial commands Diagnostics   49   49 Cells / converter test   49 Firmware release  ...
  • Page 6 DGT1_08_24.04_EN_U...

  • 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 DGT1 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 load cells, junction box, if any, and weighing structure must be earthed. 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 EXAMPLES: •...
  • 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 posi- Load cell bypass jumper...
  • Page 13 EXAMPLE OF EARTHING OF A SILO Protective earth bypass for the load cell Load cell DGT1_08_24.04_EN_U...

  • Page 14: Technical Features

    12 - 24 Vdc LPS or with class 2 power supply. MAXIMUM ABSORPTION DGT1: 100 mA at 12 V / 55 mA at 24 V (2 W); (without load cells) DGT1AN: 145 mA at 12 V / 80 mA at 24 V (2,5 W);...

  • 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 blockof the transmitter (CELL; see section “Wiring diagrams”). The transmitter has one channel (CELL) 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 DGT1 15 14 13 12 11 10 18 17 16 RS232 LOAD CELL DISPLAY Internal use POWER RS485 DGT1_08_24.04_EN_U...

  • Page 17: Dgt1An

    DGT1AN 15 14 13 12 11 10 18 17 16 RS232 LOAD CELL DISPLAY Internal use POWER RS485 DGT1_08_24.04_EN_U...

  • Page 18: Dgt1Io

    DGT1IO 15 14 13 12 11 10 18 17 16 RS232 LOAD CELL DISPLAY Internal use POWER RS485 DGT1_08_24.04_EN_U...

  • Page 19: Display And Function Of The Keys

    Display and function of the keys RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 RS232 CELL CELL CELL CELL CELL CELL CELL CELL CELL CELL CELL CELL CELL CELL CELL CELL CELL CELL RS232...

  • Page 20: Advanced Programming Menu

    Advanced programming menu The advanced menu contains all the transmitter configuration parameters for the most advanced adjustments. Access to the 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 21: Block Diagram Of The Menu

    Block diagram of the menu Operating mode (page 35). 888888 f.mode funct React Reactivating printing (page 43). CloCk Date and time (page 51). tare Tare (page 32). Zero restore (page 31). rs.zero setup ConfiG filt.50 Continued on page 22. dsp.rf Display updating frequency (page 29).
  • Page 22 Full ConfiG setup menuis displayed. Setup ConfiG Filt.50 Filter (page 28). param stabil auto-0 Zero parameters (page 30). 0-perC 0.traCk div.stb Stability divisions (page 28). Gravity of calibration zone / use (page 29). Grav x.xxxxx Calib deCi u.m. Calibration parameters ranGe1 ranGe2 Calib.p...

  • Page 23: On / Off

    On / Off Once powered, the transmitter switches on automatically. STAND-BY CONDITION During normal operation, pressing and holding the key for 2 seconds switches the transmitter to standby mode. CELL3 CELL2 CELL1 31 30 24 23 22 21 20 19 SIG+ EXC- EXC+...

  • Page 24: Theoretical Calibration

    Theoretical calibration 888888 f.mode Setup ConfiG filt.50 Calib DECI U.M. RANGE1 theo.CA Cel.sen Cel.Cap Dead.ld kno.wGt CALIBRATION PROCEDURE: Set the calibration parameters: = Number of decimals. deCi = Unit of measurement (kG, G, t, lb). u.m. = Minimum division. ranGe1 = Maximum range. Set the cell data: sen.Cel = Cell sensitivity (given by the average of the mV/V value of each cell).

  • Page 25: Calibration With Sample Weights

    Calibration with sample weights 888888 f.mode Setup ConfiG filt.50 Calib DECI U.M. RANGE1 Calib.p equal n tp tp 0 ddt1 tp 1 ddt2 tp 2 ddt3 tp 3 CALIBRATION PROCEDURE: Set the calibration parameters: = Number of decimals. deCi = Unit of measurement (kG, G, t, lb). u.m.
  • Page 26 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. points using the keys (from 1 to 3). To acquire the zero point press To confirm press Display View: Display View: Display View:...

  • Page 27: Manual Calibration

    Manual calibration Manual calibration 888888 f.mode Setup ConfiG filt.50 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 showsmod.pnt, proceed by pressing the key.

  • Page 28: Filter And Stability

    Filter and stability Filter adjustment 888888 f.mode Setup ConfiG filt.50 param Stabil Filter Response time (ms) Updating frequency Filter Response time (ms) Updating frequency (Hz) (Hz) 1230 h.r.0 flt 2 1435 h.r.1 flt 3 1840 h.r.2 f.f.50.1 2050 h.r.3 f.f.50.2 3280 h.r.4 f.f.50.3...

  • Page 29: Display Updating Frequency

    Display updating frequency Additional filter that acts only by displaying the weight, thus increasing its stability. Useful in particular applications where you want to make the weight more stable in the eyes of the operator. 888888 f.mode This parameter does not affect the actual speed and stability of the weight (set via the filter).

  • Page 30: Zeroing Parameters

    Zeroing parameters 888888 f.mode Setup ConfiG filt.50 param stabil auto.0 % auto-zeroing on ignition. 0-perC % manual zeroing. 0.traCk Zero tracking. Auto-zeroing on ignition Disabled. auto.0 disab Enabled, enter in C.PERC the % value of the capacity. from 0 to 50%. enab C.perC from 0 to 10%.

  • Page 31: Restoring Zero

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

  • Page 32: Tare Functions And Parameters

    Tare functions and parameters Tare mode 888888 F.mode funCt Tare blocked. When the gross weight drops to 0, the tare remains tare loCk engaged. unloCK Tare unlocked. When the gross weight drops to 0, the tare is cleared. Disab Tare disabled. Semi-automatic tare By pressing the key, or sending the tare command, the transmitter sets as tare the weight on the scale.

  • Page 33: 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 34: 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 35: Use Functions

    Use functions 888888 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 indicator light is lit. In the case of an approved transmitter, the high-resolution weight display is automatically deactivated after 5 seconds.

  • Page 36: Input Configuration

    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. key. zero tare key. key. mode print key. key. Reboots the transmitter. Disable keypad (and re-enable). Dis.key INPUT CONNECTION: The input is activated when there is a potential difference between terminals 5...

  • Page 37: Output Configuration

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

  • Page 38: Analog Output Configuration

    Analog output configuration The DGT1AN 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. Analog output disabled.
  • Page 39 CALIBRATION PROCEDURE: Connect a multimeter to the transmitter. Increase or decrease the value to Press to update the output value Go to the parameter to be changed reach the desired output. on the multimeter. min) and set an max, approximate value. 100 D/A points ~ 0.015 V / 0.035 mA 1000 D/A points ~ 0.15 V / 0.34 mA 10000 D/A points ~ 1.57 V / 3.42 mA...

  • Page 40: Serial Communication Configuration

    Serial communication configuration The transmitter has 2 serial ports (232 and 485) 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); It is necessary to choose which port to use as PC and, consequently, which one to use as PRN.

  • Page 41: Configuration Of The Printer Port (Com.prn)

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

  • Page 42: Baud Rate, Parity, Data Bits, Stop Bits

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

  • Page 43: Reactivation Of Printing

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

  • Page 44: Baud Rate, Parity, Data Bits, Stop Bits

    Baud rate, parity, data bits, stop bits baud 9600 4800 2400 1200 115200 57600 38400 19200 parity none No parity, 8 data bits, 1 stop bit. even Even. Odd. 8 bits. 7 bits. stop 1 stop bits. 2 stop bits. MENU ACCESS: SAVING THE PARAMETERS: Complete menu on pages...

  • Page 45: 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 46: 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: Command sent when sending a correct command.
  • Page 47 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, the transmitter will execute the function associated with Where prolonged pressing of the key.
  • Page 48 READING OF MICROVOLTS READING OF CONVERTER POINTS Format Format Response Response Standard string. 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 49: Diagnostics

    Diagnostics 888888 TYPE diaG Cells / converter test Display of the µV related to the weight on the scale. adC.uv 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 50: Serial Ports

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

  • Page 51: 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 52: Alarms

    Alarms Alarm Description Displayed if you try to calibrate a point without first confirming the number of calibration points (n tp). preC Calibration error: unstable weight during point acquisition. er.mot Calibration error: during the acquisition of a calibration point a NULL value was read from the converter. erpnt 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...
  • Page 53 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 54 DGT1_08_24.04_EN_U...
  • Page 56 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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