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SOCIETÀ COOPERATIVA
BILANCIAI
D450 Terminal
Use and maintenance manual
Code 813914
EDITION 7 January 2003

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Summary of Contents for Bilancial D450

  • Page 1 SOCIETÀ COOPERATIVA BILANCIAI D450 Terminal Use and maintenance manual Code 813914 EDITION 7 January 2003...
  • Page 3: Table Of Contents

    D450 Index 1. GENERAL 1.1 Declaration of conformity 1.2 Foreword 1.3 Symbols 1.4 Documentation 1.5 Description of the terminal 1.6 Technical characteristics of the terminal 1-10 1.7 Dimensions and weight of the terminal 1-11 1.8 Obtaining technical assistance 1-13 1.9 Replacement parts list 1-14 1.10 Warranty...
  • Page 4 D450 5.2.2 Adjusting the contrast 1-52 5.2.3 Changing the date and time 1-52 5.2.4 Weight display 1-52 5.2.5 Memory status 1-55 5.2.6 Reprint 1-55 5.2.7 Diagnostics (for digital scale only) 1-55 5.2.8 Setting the outputs as Setpoints (if enabled) 1-56 5.2.9 Setting the outputs as ranges (if enabled)
  • Page 5: Declaration Of Conformity

    D450 1. GENERAL 1.1 Declaration of conformity DECLARATION OF CONFORMITY Manufacturer: SOCIETÀ COOPERATIVA BILANCIAI Address: Via S. Ferrari, 16 41011 Campogalliano (MO)- Italy declares that the product electronic terminal model: D450 with the options all those described in this manual...
  • Page 6: Foreword

    D450 1.2 Foreword The aim of this manual is to provide the operator, through the use of text and illustrations, with essential information regarding the installation, safe operation and maintenance of the weighing system. This manual must be kept in a safe place where it is readily available for consultation.
  • Page 7 D450 form, including publication in computerised form or on the World Wide Web, without the express written permission of the manufacturer. This manual may not be used for purposes other than those directly related to the installation, operation and maintenance of the terminal.
  • Page 8: Symbols

    D450 1.3 Symbols Below is a list of the symbols used in this manual to alert the reader to the various hazards associated with the operation and maintenance of the instrument. DANGER Denotes an operation or procedure where failure to observe the instructions will result in death or serious injury.
  • Page 9: Documentation

    Here you will find information on how to interface the terminal with a PC and PLC. 1.5 Description of the terminal The model D450 digital weight indicator allows highly accurate and reliable weighing. This terminal is designed to facilitate dialogue with the operator through the alphanumeric keypad and graphic display, which, in...
  • Page 10: Technical Characteristics Of The Terminal

    D450 1.6 Technical characteristics of the terminal Power supply 85-265 Vac 50/60 Hz 12-24 Vdc (optional) Maximum power: 50 W Load cell connection: up to twelve 350 Ohm analogue cells on the two 6-pin terminal connectors up to 12 CPD digital cells on the...
  • Page 11: Dimensions And Weight Of The Terminal

    D450 Analogue output: 0 - 10 V (minimum load 100 kohm) 0 (4)-20 mA (maximum load 250ohm) Analogue output resolution: 10000 points Analogue output precision: 0.05 % FS mechanical contact Output contacts: Switchable voltage: 110 Vac/dc maximum Switchable current: 200 mA maximum 1.7 Dimensions and weight of the terminal...
  • Page 12 D450 Weight: 7 kg The dimensions are given in mm. Figure 1.2 - Dimensions and weight of table top version (optional) (citi0602.jpg) 1-12...
  • Page 13: Obtaining Technical Assistance

    D450 1.8 Obtaining technical assistance In the event of any operating faults requiring the intervention of specialised technicians, contact the manufacturer or your nearest Service Centre. To enable us to deal with your request swiftly, always quote the serial number of your terminal, which can be found on the seal label.
  • Page 14: Replacement Parts List

    D450 1.9 Replacement parts list Replacement parts can ordered directly from the manufacturer or from your nearest Service Centre. Code Description 460753 D450 110/240 Vac power supplier 460740 D450 12-24Vdc-ac power supplier 116911 D450 keypad 404051 CPU board 460728 Converter for analogue load cells...
  • Page 15: Safety Instructions

    D450 2. SAFETY INSTRUCTIONS 2.1 Prohibited uses The instrument you have purchased is a weighing system and has been designed and manufactured as such. The instrument is primarily intended for the weighing of goods. It is forbidden to use the terminal without taking the necessary precautions for safe use.
  • Page 16 D450 All maintenance and/or repairs must be carried out by authorised personnel only. Always disconnect the terminal from the electrical supply and wait a few minutes before accessing the internal components. 1-16...
  • Page 17: Delivery And Installation

    D450 3. DELIVERY AND INSTALLATION Cable clamp PG11 - for use with wires with 5 to 10 mm outer sheath diameter. Power flex input Cable clamp PG11 - for use with wires with 5 to 10 mm outer sheath diameter.
  • Page 18 D450 Cable clamp PG9 - for use with wires with 4 to 8 mm outer sheath diameter Analogue outputs, COM1, optional boards Cable clamp PG9 - for use with wires with 4 to 8 mm outer sheath diameter I/O, analogue output Figure 3.1 - Bottom of terminal (citi0603.jpg)
  • Page 19: Connection Of The Terminal To The Electrical Supply Line

    D450 3.1 Connection of the terminal to the electrical supply line DANGER Check that: The voltage and frequency of the electrical supply line corresponds to the indications on the warning plate on the bottom of the terminal (see point 3 Figure 3.1 on page 1-17);...
  • Page 20 D450 The socket must be equipped with a disconnector. 1. Weight display terminal 2. Mains socket with disconnector (at Customer's charge) Figure 3.2 - Terminal connection to the electricity main (citi0604.jpg) WARNING Do not route the terminal connection cables alongside power cables as these could cause disturbances that interfere with the correct operation of the terminal.
  • Page 21: Opening The Terminal For Access To The Internal Terminals

    D450 3.2 Opening the terminal for access to the internal terminals Comply with the following instructions to open the terminal: switch off the terminal; remove the plug from the electricity main; unscrew the 4 front screws; turn the front panel downwards;...
  • Page 22: Live Components

    D450 3.2.1 Live components Points 1 and 2 in Figure 3.4 on page 1-22 show the zones where dangerous voltage is present. Take great care to only access the interior after having disconnected the power plugs. DANGER There are no guarantees as to the absence of dangerous voltage when the display is off.
  • Page 23 D450 DANGER The terminal with 110-240 Vac voltage rating and the earth connection faston in Figure 3.4 on page 1-22 are crossed by dangerous voltage. 1-23...
  • Page 24: Internal Terminal Connections

    D450 3.2.2 Internal terminal connections 1. JIO - Inputs/Outputs 2. JVI - Analogue output 3. COM1 - RS232 serial output 4. COM2 - RS432 - RS485 - RS422 serial outputs 5. JCELA - Scale A analogue input 6. JCELB - Scale B analogue input 7.
  • Page 25: Connection To The External Devices

    D450 3.3 Connection to the external devices The cable clamps on the bottom of the instrument allow connection to the screen earth. With the exception of the power cable, each wire that enters the instrument must be screened (see par. 3.1 on page 1-19).
  • Page 26: Connection Of The Terminal To The Platform Scale

    D450 3.4 Connection of the terminal to the platform scale The terminal is normally supplied with a pre-wired cable for connection to the platform scale. The female connector on this cable should be plugged into the male 6-pin connector (JCELA, JCELB or JBILDGT) (see points 5, 6 or 7 of Figure 3.5 on page 1-24).
  • Page 27: Equipotentiality Between The Terminal And The Platform Scale

    D450 3.4.1 Equipotentiality between the terminal and the platform scale Check that a condition of equipotentiality exists between the metal parts of the terminal and the platform scale. If in doubt, connect the terminal and the scale using a earth wire of at least 6mm²...
  • Page 28: Connection Of Digital Load Cells

    D450 3.4.3 Connection of digital load cells Connection to digital load cells is by RS485 serial line using a screened cable with 6 conductors. The diagram below shows the pinout of the JBILDGT connector for connection to platform scales with digital load cells.
  • Page 29: Com1 Serial Port Connection

    D450 3.5 COM1 serial port connection The terminal has an RS232 serial port (COM1) with 8-pin connector (see point 3 Figure 3.5 on page 1-24); the diagram below shows the pin connections for this port. 6,7 : NC = Reserved - do not...
  • Page 30: Com2 Serial Port Connection

    D450 3.6 COM2 serial port connection The terminal has second serial port, which can be configured for RS232, RS422 or RS485 data transmission standards. The output has an 8-pin connector (COM2) (see point 4 Figure 3.5 on page 1-24). 3.6.1 Jumpers for COM2 Care must also be taken to correctly set up the jumpers when the serial output is configured.
  • Page 31: Connection Of Com2 In Rs232 Configuration

    D450 3.6.2 Connection of COM2 in RS232 configuration For the connection of external devices, refer to the pinout diagram in Figure 3.10 on page 1-31: 6 : RX232 = Data reception 5 : TX232 = Data transmission 7,8 : GND = Signal ground...
  • Page 32: Connection Of Com2 In Rs422 Configuration

    D450 3.6.3 Connection of COM2 in RS422 configuration 1 : TX422 - = Data transmission 2 : TX422 + = Data transmission 3 : RX422 - = Data reception 4 : RX422 + = Data reception NOTE: the free pins are...
  • Page 33: Connection Of Com2 In Rs485 Configuration

    D450 3.6.4 Connection of COM2 in RS485 configuration 1 : DATA - from inlet 8 (see Figure 3.1 on page 1-17) 2 : DATA + from inlet 8 (see Figure 3.1 on page 1-17) 3 : DATA - from inlet 7 (see Figure 3.1 on page 1-17) 4 : DATA + from inlet 7 (see Figure 3.1 on page 1-17)
  • Page 34 D450 CAUTION Operating limits stipulated by the standard RS485: Maximum transmission distance = 1200 m Maximum line voltage = +/- 7V For connection to external devices, use a screened twisted pair cable and connect the screen to the metal part of the casing using the input cable clamp (see figures in par.
  • Page 35: Analogue Output Connection

    D450 3.7 Analogue output connection Connector JVI (point 2 Figure 3.5 on page 1-24) has a galvanically separate analogue output in the 0-10 V and 0(4)-20 mA formats. The pinout is shown in the following table. 1 : Output 0-10 V...
  • Page 36: Input/Output Connection

    D450 3.8 Input/Output connection Input and output contacts are available in terminal board JI/O (point 1 Figure 3.5 on page 1-24); Figure 3.15 on page 1-37 contains the pinout diagram. 1 : INPUT 1 2 : INPUT 2 3 : COM INPUT...
  • Page 37 D450 Pi = Part inside terminal Pe = Part outside terminal Figure 3.15 - JI/O terminal board for Input/Output connections (log0008.gif) CAUTION Technical characteristics: Input: Maximum input voltage = 24Vdc Maximum input current = 5mA The inputs can be controlled by a mechanical contact or by...
  • Page 38 D450 DANGER When the weighing system is installed in complex plants that can represent a danger hazard for operators, enlist the assistance of specialised personnel to perform several manoeuvres without load in order to acquire the experience necessary to work in safety.
  • Page 39: Controls, Display, Switching The Terminal On And Off

    D450 4. CONTROLS, DISPLAY, SWITCHING THE TERMINAL ON AND OFF 4.1 Display of weight and additional information 1. Weighing function keys 2. Display of weight and additional information 3. Alphanumeric keys Figure 4.1 - Front of terminal (citi0610.jpg) The LCD (Liquid Crystal Display) (point 2 Figure 4.1 on page 1-39), in addition to the universally recognised weighing symbols, also displays information (in extended format) related to the operation of the terminal.
  • Page 40: Selection Display Symbols

    D450 Listed below are the weighing symbols displayed and their meanings: Weight stable symbol Indicates that the weight value displayed is stable and thus may be printed and/or transmitted. Centre zero symbol Indicates that the weight on the scale is near to zero i.e.
  • Page 41: Weighing Function Keys

    D450 Weight indication Within the preset upper and lower limits. Weight indication Above the preset upper limit. 4.2 Weighing function keys Refer to point 2 of Figure 4.1 on page 1-39: Zero-set weight pressing this key resets the weight indication only if the following condition are satisfied: the weight value must be within the -1% ÷...
  • Page 42 D450 On pressing again, the tare will be cancelled and the terminal resumes display of the gross weight. Enter/display tare Pressing this key allows you to enter a tare value using the numeric keys on the keypad (par. 4.3 on page 1-43).
  • Page 43: Alphanumeric Keys

    D450 Customizable keys The functions associated with these keys are indicated on the display. 4.3 Alphanumeric keys Refer to point 3 of Figure 4.1 on page 1-39: Keys for entering numeric values and alphanumeric characters Key for entering decimal digits Use this key for entering decimal values.
  • Page 44: Switching The Terminal On And Off

    D450 4.4 Switching the terminal on and off 1. Disconnector 2. Plug Figure 4.2 - On/Off switch (citi0611.jpg) DANGER Before switching on the terminal, check that the safety guards are in place and in good working order. If the terminal is wall mounted on an electrical panel, there must be a main switch that disconnect powers to the entire panel.
  • Page 45 D450 Insert the plug and operate the disconnector. On power on, the display will show the Manufacturer's logo and the type of operation for which the terminal is enabled (see par. 5.4 on page 1-64). Wait for the LOCK indication to appear (terminals subject to metrological verification only).
  • Page 46 D450 1-46...
  • Page 47: Use Of The Terminal

    D450 5. USE OF THE TERMINAL 5.1 General 5.1.1 Using the keys to navigate the menus The numeric keys described in par. 4.3 on page 1-43 and the customisable keys par. 4.2 on page 1-41 can be used to navigate the programming menus.
  • Page 48: Entering Numeric Data (Editor)

    D450 5.1.2 Entering numeric data (Editor) Numeric values may be entered as follows: select the function for which you wish to enter the value (preset tare, settings, range...); the display will show the selected function with the value currently stored in memory;...
  • Page 49 D450 prolonged pressure on a key will display all the characters associated with that key. By moving left and right with the keys → and ← you can select the character you wish to enter. The selected character is displayed in reverse video. Confirm the selection by pressing OK. To toggle between upper and lower case letters, press the key in correspondence with the indication CAPIT/SMALL.
  • Page 50: User Menu

    D450 5.1.4 Shortcut keys During installation, User menu functions may be assigned to shortcut keys. In this way the user can access the required function more rapidly. For example, to access the function Product Code, the user will not have to press ...MENU>Data Management>Code Management>Product Code...
  • Page 51 D450 Data management Codes management Generic code Product Code Product Code List Range Range 01 Range 02 Range 11 Range 12 Range 13 Range 14 Range 21 Range 22 Range 23 Range 24 Setpoint Setpoint 01 Setpoint 02 Setpoint 11...
  • Page 52: Adjusting The Contrast

    D450 5.2.2 Adjusting the contrast To adjust the contrast of the display, follow the pathway: ...>MENU>Contrast (Shortcut key CONTR). By pressing + or - you can adjust the contrast. To save the new setting in memory press SAVE. 5.2.3 Changing the date and time Follow the pathway: ...>MENU>Date Time...
  • Page 53 D450 Selection In addition to the weight and the usual weighing symbols, the display shows one of the following symbols (see par. 4.1.1 on page 1-40). To set the range, press DRANGE, select the values with SELECT and enter the numerical values using the number keys (par. 4.3 on page 1-43).
  • Page 54 D450 NOTE: the indication Tare C indicates that the tare displayed is a "coded" tare to which a numerical code has been assigned (par. 5.2.12 on page 1-57). If multiple tares were set during installation: Tare T: acquired tare value + unit of measurement...
  • Page 55: Memory Status

    D450 5.2.5 Memory status If there is insufficient free memory, memory can be recovered by following the pathway: ...>MENU>Memory status CAUTION The memory recovery operation may require a few minutes during which time the terminal cannot be operated. Do not switch off the terminal during this operation as this could result in the loss of the data in memory.
  • Page 56: Setting The Outputs As Setpoints (If Enabled)

    D450 5.2.8 Setting the outputs as Setpoints (if enabled) The two available outputs may be used in setpoint mode. In this way, the output is activated when the weight reaches the set value..>MENU>Data management>Set Point (Shortcut key SETPNT). Enter the required weight values as described in par. 5.1.2 on page 1-48.
  • Page 57: Product Code

    D450 5.2.11 Product code The terminal provides functions for the management of product codes, each of which may be associated with an alphanumeric description that can be printed and/or transmitted along with the weight. The product code is a numeric code with a maximum of 6 digits, while the alphanumeric description may be up to 20 characters long.
  • Page 58: Preset Tares

    D450 5.2.13 Preset tares In addition the management of tares acquired from the weight present on the scale and tares entered from the keypad, the terminal also manages an archive of preset tares containing a number of values difined during the installation phase. Each value can be recalled by way of a 4 digit numeric code.
  • Page 59: Progressive Number

    D450 5.2.15 Progressive number The terminal manages a 6-digit progressive number used to count the number of weighing operations performed: this value starts from 1 and is automatically increased by one unit after each print and/or weighing operation (and thus indicates the value of the next print or weighing operation).
  • Page 60: Totals Management

    D450 5.2.17 Totals management The terminal provides functions for totalling the weighing data associated with the various codes. The totalization operation consists of adding the current weight value to the sum of the previous weights and increasing by one the number of weighing operations. To access the list of available totals, follow the pathway: ...>MENU>Totals management...
  • Page 61: Scale Selection

    D450 Totals by code Saves the net weight values and number of weighments associated with a product code and generic code. The data can be accessed through the following functions: ...>MENU>Totals management>Product code total (Shortcut key PROTOT) ...>MENU>Totals management>Generic code total...
  • Page 62: Printing Weighing Data

    D450 5.3 Printing weighing data The printer is normally connected to the terminal by way of the COM1 serial port (par. 6.8 on page 1-86). Printouts are obtained by pressing . Printing is performed if: the weight is valid, i.e. it is not less than zero and does not exceed the maximum scale capacity;...
  • Page 63: Weighing Data Reprint

    D450 5.3.1 Weighing data reprint Access the Reprint item of the user menu to obtain the last printout again without having to change the consecutive number and any totals calculated. The word Copy will appear on the reprint to distinguish it from the original.
  • Page 64: Operating Modes

    D450 5.4 Operating modes The terminal operating mode is set during installation. On switching on the terminal, the selected operating mode is displayed. 5.4.1 Standard operation In standard operating mode, the terminal can acquire the gross (or net) weight on the scale and display it along with the weighing symbols. In this case, the possible display formats are 15mm digits, 30mm digits, Selection and Display tare (see par.
  • Page 65: Unloading Extraction Operation

    D450 from the Set Point 01 value, marks the change from fast extraction mode to slow extraction mode. On pressing the key in correspondence with the indication START, the extracted weight value is zero-set and scale loading is enabled. The display shows the gross weight (the weight on the scale) and the extracted weight (the weight gradually loaded onto the scale).
  • Page 66 D450 1-66...
  • Page 67: Options

    D450 6. OPTIONS The optional expansion boards (with the exception of the MPP memory expansion board) are fitted in the slots of the board inside the terminal (see points 1, 2 Figure 6.1 on page 1-67). The connection cables of the optional boards are wired on site. Cable clamps are used to route the cables into the terminals (see Figure 3.1 on...
  • Page 68 D450 Inputs Slot N°input designation IN 1 INPUT 01 CPU board (slot0) IN 2 INPUT 02 Slot1 IN 1 INPUT 11 IN 2 INPUT 12 IN 3 INPUT 13 IN 4 INPUT 14 Slot2 IN 1 INPUT 21 IN 2...
  • Page 69 D450 Serial ports N°com Slot designation CPU board (slot0) COM 1 COM 01 COM 2 COM 02 Slot1 COM 1 COM 11 COM 2 COM 12 Slot2 COM 1 COM 21 COM 2 COM 22 Slot designation Slot1 BCD 1...
  • Page 70: I/O Board

    D450 6.1 4 I/O board Pi = Part inside terminal Pe = Part outside terminal Figure 6.2 - Connection diagram for optional 4 INPUT - 4 OUTPUT board (log0009.gif) The figure shows the connection terminals of the 4 I/O board.
  • Page 71: Bcd Parallel 5V

    D450 6.2 BCD parallel 5V The type of board is identified by a label next to the D-type connector. The 25-pin female connector provides BCD signals of the weight as it displayed on the terminal, i.e. number of divisions multiplied by the value of the division.
  • Page 72 D450 U1,U2,U4,U8 = BCD units (Binary Coded Decimal) DE1,DE2,DE4,DE8 = BCD Tens C1,C2,C4,C8 = BCD Hundreds M1,M2,M4,M8 = BCD Thousands DM1,DM2,DM4,DM8 = BCD Tens of thousands CM1 = Hundreds of thousands DVALID = (OUTPUT) can assume the following values: 0: the data will be valid after 10...
  • Page 73: Calculator Bcd

    D450 6.3 Calculator BCD A label next to the connector identifies the type of board. The 25-pin female connector provides the following BCD signals representing the weight in divisions without taking into account the value of the division. CAUTION The operating limits for this type of output are:...
  • Page 74 D450 CU1,2,4,8 = BCD units (Binary Coded Decimal) CDEC1,2,4,8 = BCD Tens CC1,2,4,8 = BCD Hundreds CAM1,2,4 = BCD Thousands NEG = (OUTPUT) negative that assumes the value "0" (zero) if the weight is negative CALC0,1,2,3,4,5 = Address pins for scale numbers 1 to 64...
  • Page 75: Parallel 24V Source Current Bcd (Positive Common)

    D450 6.4 Parallel 24V source current BCD (positive common) A label next to the connector identifies the type of board. The 25-pin female connector provides the following BCD signals representing the weight value as it is displayed on the terminal, i.e. the number of divisions multiplied by the value of the division.
  • Page 76 D450 U1,U2,U4,U8 = BCD Units (Binary Coded Decimal) DE1,DE2,DE4,DE8 = BCD Tens C1,C2,C4,C8 = BCD Hundreds M1,M2,M4,M8 = BCD Thousands DM1,DM2,DM4,DM8 = BCD Tens of thousands CM1 = Hundreds of thousands DVALID = (OUTPUT) can assume the following values: 0: the data will be valid after 10...
  • Page 77 D450 L = Generic external load T = Output transistor inside terminal +24V = External voltage Figure 6.6 - Example of 24V source current connection (log0063.gif) 1-77...
  • Page 78: Serial Port Expansion Board

    D450 6.5 Serial port expansion board The board provides 2 connectors: 9-pin female D-type connector (one RS232/422/485 serial port)(comx1); 8-pin RJ45 connector (one RS232/422/485 serial port)(comx2). 1. Comx1 2. Comx2 Figure 6.7 - Serial port designation (log0129.jpg) The operating limits stipulated by the RS232/422/485 standards are indicated in par.
  • Page 79 D450 RX422 +/- = Data reception RX232 = Data reception TX422 +/- = Data transmission TX232 = Data transmission TERMIN = Termination resistance to be connected to pin 6 NC = Reserved - do not connect GND = Signal ground...
  • Page 80 D450 GND = Signal ground RX232 = Data reception TX232 = Data transmission TERMIN = Termination resistance to be connected to pin 8 TX422 +/- = Data transmission RX422 +/- = Data reception Ri = Termination resistance inside terminal Figure 6.9 - Supplementray serial port connector (RJ45 8-pin)(comx2) (log0065.gif)
  • Page 81: Mpp Memory Expansion Boards

    D450 6.6 MPP memory expansion boards Terminals equipped with the MPP option (Permanent Weight Memory) can save the weight data of each single weighing operation in a permanent memory or print a paper record (type-approved printer) and transmit the values to a peripheral device, along with an identification code that is automatically assigned by the terminal.
  • Page 82: Disabling Mpp

    D450 In both operating modes, on completion of the saving operation, the user can display the progressive number associated with the weighing operation (see par. 6.6.4 on page 1-83). Code MPP will only appear on the display when the memorising operation is enabled with the key.
  • Page 83: Checking Memorised Weight Data

    D450 6.6.4 Checking memorised weight data To check the data saved in memory, press the shortcut key COD MPP. The terminal displays the net weight and the tare associated with the MPP identification code of the last weighing operation to be performed.
  • Page 84: Vac-Dc Input Power Supplier

    D450 6.7 12-24Vac-dc input power supplier The terminal can be powered with a very low safety voltage rating. Ask for installation of the power supplier box with 12-24Vac-dc input. Use the supplied 2-pin connector to connect to the power source.
  • Page 85 D450 CAUTION Peak use conditions: DC (direct current): Vmin=11Vdc Vmax=28Vdc AC (alternate current): Vmin=12Vac Vmax=24ac Maximum power draw=50W Power cable (not supplied): 2 conductors with 1-2mm² section 1-85...
  • Page 86: Printers

    D450 6.8 Printers The printer is usually connected to the terminal by way of the COM1 serial port (Figure 3.5 on page 1-24), although in some exceptional cases it may be connected to the COM2 port (for example, with connection in the RS422 mode).
  • Page 87: Connection With Stb112 In The Rs232 Mode

    D450 6.8.2 Connection with STB112 in the RS232 mode 1. 8-pin female terminal board on terminal side 2. 25-pin male connector on printer side Figure 6.13 - Connection with STB112 in the RS232 mode (citi0631.jpg) Connect the screened cable on both sides. Consult par. 3.3 on page 1-25 and par.
  • Page 88: Connection With Stb112 In The Rs422 Mode

    D450 6.8.3 Connection with STB112 in the RS422 mode 1. 8-pin female terminal board on terminal side 2. 25-pin male connector on printer side Figure 6.14 - Connection with STB112 in the RS422 mode (citi0632.jpg) Connect the screened cable on both sides. Consult par. 3.3 on page 1-25 and par.
  • Page 89: Connection With Lx300 Or Tmu295 In The Rs232 Mode

    D450 6.8.4 Connection with LX300 or TMU295 in the RS232 mode 1. 8-pin female terminal board on terminal side 2. 25-pin male connector on printer side Figure 6.15 - Connection with LX300 or TMU295 in the RS232 mode (citi0633.jpg) Connect the screened cable on both sides. Consult par. 3.3 on page 1-25 and par.
  • Page 90 D450 1-90...
  • Page 91: Maintenance

    D450 7. MAINTENANCE 7.1 Battery On switching on the terminal, it performs a check on the condition of the internal lithium battery. If the battery is discharged, the terminal displays the message CHANGE THE BATTERY. To change the battery, contact Assistance Service.
  • Page 92 D450 Refer to Figure 7.1 on page 1-91. Operate the external disconnector and remove the plug. Take out the fuse holder by turning it. Replace blown fuses with new ones of the same rating (T630mA250V time delay). If the fuse blows again on switching on the terminal, do not make any further attempts to replace it but contact Assistance Service.
  • Page 93: Troubleshooting

    D450 8. TROUBLESHOOTING If the suggested remedy does not solve the problem, contact Assistance Service. 8.1 Malfunctions Problem Remedy Cause The terminal No power Check that power arrives at does not switch the mains outlet socket. Check that the mains lead is correctly plugged in.
  • Page 94: Error Messages

    D450 8.2 Error messages Problem Cause Remedy 9999999 The scale is Reduce the weight to a value flashing overloaded. below the maximum scale capacity. -01- Converter fault. Contact Assistance Service. Scale connector Switch off the terminal and disconnected or check that the connector is broken.
  • Page 95 D450 -07- Digital cell serial Switch the terminal off and number error in then on again. system with several load cells -08- Digital cell serial Switch the terminal off and number error then on again. -09- Digital cell serial Switch the terminal off and number and then on again.
  • Page 96 D450 Internal lithium Change the Contact Assistance Service battery battery discharged Weight not valid The scale is in See conditions for correct negative weight printing in par. 5.3 on page or overload 1-62 condition and the printer does not print...
  • Page 98 SOCIETÀ COOPERATIVA BILANCIAI SOC. COOP. BILANCIAI CAMPOGALLIANO A.R.L. 41011 Campogalliano (MO) Via Ferrari, 16 tel. +39 (0)59 893 611 - fax +39 (0)59 527 079 home page: http://www.coopbilanciai.it E-mail: cb@coopbilanciai.it servizio post-vendita after sales service service apres-vente Kundendienstservice servicio post-venta serviço pós-venda tel.

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