1. Manuals
  2. Brands
  3. LAUMAS Manuals
  4. Measuring Instruments
  5. WTAB-R
  6. Installation and user manual

LAUMAS WTAB-R Installation And User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

ENGLISH
ENGLISH
ENGLISH
ENGLISH
Installation and User Manual
version 1.06
WDESK-R/L
WINOX-R/L/2L
WTAB-R/L
Base
2004/108/EC
EN55022 EN61000-6-2 EN61000-6-4
SYSTEM IDENTIFICATION

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the WTAB-R and is the answer not in the manual?

Questions and answers

Related Manuals for LAUMAS WTAB-R

Summary of Contents for LAUMAS WTAB-R

  • Page 1 ENGLISH ENGLISH ENGLISH ENGLISH Installation and User Manual version 1.06 WDESK-R/L WINOX-R/L/2L WTAB-R/L Base 2004/108/EC EN55022 EN61000-6-2 EN61000-6-4 SYSTEM IDENTIFICATION...
  • Page 2 No guarantee against misuse. Batteries: Laumas provides 1 year guarantee from the date of delivery note, against material defects or battery manufacturing faults. Disposal of Waste Equipment by Users in Private Households in the European Union This symbol on the product or on its packaging indicates that this product must not be disposed of with your other household waste.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS USER WARNINGS ........................1 RECOMMENDATIONS FOR CORRECT INSTALLATION OF WEIGHING INSTRUMENTS . 1 RECOMMENDATIONS FOR CORRECT INSTALLATION OF THE LOAD CELLS ....1 LOAD CELL INPUT TEST (QUICK ACCESS) ................3 LOAD CELL TESTING ....................... 3 MAIN SPECIFICATIONS OF THE INSTRUMENT ..............4 BUFFER BATTERY ........................
  • Page 4 RS232 SERIAL COMMUNICATION ....................33 RS485 SERIAL COMMUNICATION ....................33 DIRECT CONNECTION BETWEEN RS485 AND RS232 WITHOUT CONVERTER ...... 33 TEST ............................34 ENERGY SAVING ........................34 DATE AND TIME SETTING ..................... 35 INFO MENU ..........................35 SETPOINT PROGRAMMING ....................36 PIECE COUNTER ........................

  • Page 5: User Warnings

    USER WARNINGS RECOMMENDATIONS FOR THE PROPER USE OF WEIGHING INSTRUMENT Keep away from heat sources and direct sunlight Repair the instrument from rain (except special IP versions) Do not wash with water jets (except special IP versions) Do not dip in water Do not spill liquid on the instrument Do not use solvents to clean the instrument Do not install in areas subject to explosion hazard (except special Atex versions)
  • Page 6 CONNECTING SEVERAL CELLS IN PARALLEL: Connect several cells in parallel by using - if necessary - a watertight junction box with terminal box. The cell connection extension cables must be shielded, led individually into their piping or conduit and laid as far as possible from the power cables (in case of 4-wire connections, use cables with 4x1 mm minimum cross-section).

  • Page 7: Load Cell Input Test (Quick Access)

    LOAD CELL INPUT TEST (QUICK ACCESS) From the weight display, press ▲ for 3 seconds; the response signal of the load cells is displayed, expressed in mV with four decimals. LOAD CELL TESTING Load cell resistance measurement (use a digital multimeter): - Disconnect the load cells from the instrument and check that there is no moisture in the cell junction box caused by condensation or water infiltration.

  • Page 8: Main Specifications Of The Instrument

    Two serial ports (RS485 and RS232) for connection to: PC/PLC up to 32 instruments (max 99 with line repeaters) by ASCII Laumas or ModBus R.T.U. protocol, remote display, printer. Optional: integrated Profibus DP, DeviceNet, CANopen, Profinet IO, Ethernet/IP, Ethernet TCP/IP, Modbus/TCP output.
  • Page 9 N – IP65 circular connectors 122x226x218 mm IP65 protection rating 96x186 mm (connectors included) Power supply included X - Atex cable gland 122x226x164 mm IP67 Atex II3GD version 96x186 mm (connectors included) (areas 2 -22) IP67 protection rating Wall installation with bracket 122x230x250 mm ca.

  • Page 10: Buffer Battery

    X - Atex cable gland 206x286x108 mm IP68 Atex II3GD version 160x248 mm (connectors included) (areas 2 -22) IP68 protection rating Wall installation with bracket 206x286x187 mm ca. (can also be installed on table) (bracket included) WTAB Type of connectors Max.

  • Page 11: After A Blackout

    AFTER A BLACKOUT After a blackout the instrument DOES NOT come on again automatically, you have to press ON. To guarantee an automatic restart after a blackout, disable the ON key as follows: - disconnect power supply and open the instrument; - identify flat connectors coming from the keypad on the main board;...

  • Page 12: Technical Specifications

    TECHNICAL SPECIFICATIONS POWER SUPPLY and CONSUMPTION (VDC) 12/24 VDC ±10%; 6 W (standard) 115/230 VAC; 50-60 Hz; 6 VA POWER SUPPLY and CONSUMPTION (VAC) (optional only for WDESK) NO. OF LOAD CELLS IN PARALLEL and SUPPLY max 8 (350 ohm); 5 VDC / 120 mA LINEARITY / ANALOG OUTPUT LINEARITY <...

  • Page 13: Electrical Connections

    ELECTRICAL CONNECTIONS BASIC INFORMATION - It is recommended that the power supply negative pole be grounded (WDESK-D, WINOX, WTAB: connect the earthing system to the dedicated external terminal ). - It is possible to supply up to eight 350 ohm load cells or sixteen 700 ohm load cells. - For 4-wire load cells, make a jumper between EX- and REF- and between EX+ and REF+.

  • Page 14: Changing Voltage 115Vac / 230Vac (Wdesk)

    CHANGING VOLTAGE 115VAC / 230VAC (WDESK) Access instrument board by removing the six bottom screws and work on the welding side: join the red points using a stiff wire. 230 Vac 115 Vac KEY TO P, Q, X TYPE CONNECTORS Terminal Signal Terminal Signal OUTPUT No.

  • Page 15: Key To D Type Connectors

    RS232: RXD -LOAD CELL SIGNAL (-Sig) OUTPUT No. 1 +LOAD CELL SIGNAL (+Sig) OUTPUT No. 2 PHASE (115/230 VAC optional ver.) OUTPUT No. 3 NEUTRAL (115/230 VAC optional ver.) GROUND (115/230 VAC optional ver.) To access the terminal strip on the WDESK instruments with cable glands, you need to remove the bottom of the instrument unscrewing the six screws.

  • Page 16: Key To N Type Connectors

    RS232: RXD yellow RS232: TXD blue Male RS232: SHIELD, GND black RS232 serial port RS485: + yellow Male RS485: SHIELD, GND black RS485: - blue RS485 serial port RS485: - blue RS485: + yellow KEY TO N TYPE CONNECTORS Internal Internal Connector Pin Signal...
  • Page 17 OUTPUT No.5 (max 24 V) otherwise: ----- yellow +ANALOG OUTPUT (0÷20 o 4÷20 mA) OUTPUT COMMON (max 24 V) IN3/OUT 5 otherwise: ----- blue otherwise: -ANALOG OUTPUT COMMON (0÷10 V) Analog output INPUT No.3 (+VDC min 5 V max 24 V) otherwise: ----- white...

  • Page 18: Key And Symbols Functions

    KEY AND SYMBOLS FUNCTIONS KEYS: WDESK, WINOX Short press Long press (3 s) Into menus Power-on Power-off Cancel or return to Semi-automatic zero Tare resetting previous menu Select figure to be Gross  Net Net  Gross modified or go to previous menu item.
  • Page 19 KEYS: WTAB Short press Long press (3 s) Into menus Power-on Power-off Cancel or return to Semi-automatic zero Tare resetting previous menu Select figure to be Gross  Net Net  Gross modified or go to previous menu item. PIECE COUNTER: show in sequence total weight on scale, When in piece counter average unit weight calculated,...
  • Page 20 LED: WDESK-R, WINOX-R, WTAB-R Function POWER power supply available net weight (semi-automatic tare or preset tare) zero (deviation from zero not more than ±0.25 divisions) stability unit of measure: kg unit of measure: g not used INPUT 1 LED lit: input 1 closed...
  • Page 21 SYMBOLS: WDESK-L, WINOX-L, WINOX-2L, WTAB-L 9 10 WDESK-L WINOX-L WTAB-L WINOX-2L Symbol Function LED POWER power supply available preset tare enabled gross weight net weight (semi-automatic tare or preset tare) stability zero (deviation from zero not more than ±0.25 divisions) peak function enabled not used value displayed is not a weight...

  • Page 22: Menu Map

    MENU MAP Into menus changes are applied right after pressing the ENTER key ( no further confirmation is required). SETPOINT SYSTEM PARAMETERS - 18 -...

  • Page 23: Instrument Commissioning

    INSTRUMENT COMMISSIONING To turn on the instrument press ON. To turn it off press OFF for about 3 seconds: when  appears release the key. After a blackout the instrument DOES NOT come on again automatically, you have to press ON. To guarantee an automatic restart after a blackout, disable the ON key (see section AFTER A BLACKOUT).

  • Page 24: Programming Of System Parameters

    PROGRAMMING OF SYSTEM PARAMETERS From the weight display, press simultaneously keys MENU and ESC to access the parameter setting. MENU/ENTER: to enter a menu/confirm the data entry. ▲: to modify the displayed figure or menu item. ◄: to select a new figure or modify the displayed menu item. ESC: to cancel and return to the previous menu.

  • Page 25: Maximum Capacity

    MAXIMUM CAPACITY : Maximum displayable weight (from 0 to max full scale; default: 0). When the weight exceeds this value by 9 divisions, the display shows . To disable this function, set 0. TARE WEIGHT ZERO SETTING This menu may also be accessed directly from the weight display, holding down the key for 3 seconds.

  • Page 26: Filter On The Weight

    By confirming the message the flashing value of the weight currently on the system is displayed. In this phase all of the LEDs are off. Adjust the value on display by using the arrow keys if necessary. After confirming, the new set weight will appear with all the LEDs flashing. After an additional confirmation, the message will be restored and by repeatedly pressing the key ESC the weight will once again be displayed....

  • Page 27: Zero Parameters

    scale value set. FILTER VALUE Response times Display and serial port refresh [ms] frequency [Hz] 4 (default) 12.5 1700 12.5 2500 12.5 4000 6000 7000 ZERO PARAMETERS RESETTABLE WEIGHT SETTING FOR SMALL WEIGHT CHANGES  (from 0 to max full scale; default: 300; considered decimals: 300 – 30.0 – 3.00 – 0.300): this parameter indicates the maximum weight value resettable by external contact, keypad or serial protocol.

  • Page 28: Setting Units Of Measure

    SETTING UNITS OF MEASURE These are the available units of measure: kilograms : : grams tons : pounds* : : newtons* : litres* bars* : atmospheres* : : pieces* newton metres* : : kilogram metres* : other generic units of measure not included in the list* If the print function is enabled, the symbol corresponding to the selected unit of measure will be printed after the measured value.

  • Page 29: Outputs And Inputs Configuration

    : newton metres, the value set in  will be multiplied by the weight value currently displayed; : kilogram metres, the value set in  will be multiplied by the weight value currently displayed; : generic unit of measure not included in the list, the value set in  will be multiplied by the weight value currently displayed.
  • Page 30 - : the contact will not switch on the basis of weight, but is controlled by remote protocol commands. - : relay switching occurs when the weight is stable. - If the operation mode  is selected, the following options are also active: - : the contact will switch on the basis of gross weight.

  • Page 31: Semi-Automatic Tare (Net/Gross)

    SEMI-AUTOMATIC TARE (NET/GROSS) THE SEMI-AUTOMATIC TARE OPERATION IS LOST UPON INSTRUMENT POWER- OFF. To perform a net operation (SEMI-AUTOMATIC TARE), close the NET/GROSS input or press the TARE f key for less than 3 seconds. The instrument displays the net weight (just set to zero) and the NET LED lights up.

  • Page 32: Semi-Automatic Zero (Weight Zero-Setting For Small Variations)

    To delete a preset tare and return to gross weight display, hold down TARE for about 3 seconds or keep the NET/GROSS input (if any) closed for the same length of time (3 seconds). The preset tare value is set to zero. The NET LED is turned off when the gross weight is displayed once again. WTAB It is possible to manually set up to 9 different preset tare values to be subtracted from the display value provided that the ...

  • Page 33: Analog Output(Only For Instruments Where This Option Is Available)

    ANALOG OUTPUT(ONLY FOR INSTRUMENTS WHERE THIS OPTION IS AVAILABLE) - : it selects the analog output type (4÷20 mA, 0÷20 mA, 0÷10 V, 0÷5 V, ±10 V, ±5 V; default: 4÷20 mA). For the output ±10 V and ±5 V the soldered jumper SW1 must be closed: ▫...
  • Page 34 Minimum and maximum values which can be set for zero and full scale corrections: ANALOG OUTPUT TYPE Minimum Maximum 0÷10 V -0.150 10.200 0÷5 V -0.150 5.500 ±10 V -10.300 10.200 ±5 V -5.500 5.500 0÷20 mA -0.200 22.000 4÷20 mA -0.200 22.000 NOTE: the analog output may also be used in the opposite manner, i.e.

  • Page 35: Serial Communication Setting

    SERIAL COMMUNICATION SETTING -  / : communication port. - : it disables any type of communication (default). - : MODBUS-RTU protocol; possible addresses: from 1 to 99 (see Communication protocols manual). - : ASCII bidirectional protocol; possible addresses: from 1 to 99 (see Communication protocols manual).
  • Page 36 - : delay in milliseconds which elapses before the instrument replies (from 0 to 200 ms; default: 0). - : - : no parity (default). - : even parity. - : odd parity. - : stop bit (1 – 2; default: 1). number of blank lines between one printout and the next - ...

  • Page 37: Rs232 Serial Communication

    RS232 SERIAL COMMUNICATION WDESK - WINOX WTAB RS232 TXD RS232 RXD -SUPPLY 12-24 VDC DB9-F RS485 SERIAL COMMUNICATION WDESK WDESK WDESK WINOX WINOX WINOX WTAB WTAB WTAB max 500 m 24 Vcc RS485 + RS485 + RS485 - RS485 - CONVLAU If the RS485 network exceeds 100 metres in length or baud-rate over 9600 are used, two terminating resistors are needed at the ends of the network.

  • Page 38: Test

    - Millivolt Test: : displays the load cell response signal in mV with four decimals. ENERGY SAVING WDESK-R, WINOX-R, WTAB-R - : display always on; - : the display enters energy saving mode after about one minute of no activity; pressing a key or a weight change turns normal operations on again.

  • Page 39: Date And Time Setting

    DATE AND TIME SETTING Selecting the  item in the main menu, access is obtained to the date and time display menu. Pressing ENTER several times scrolls through days - months – years and hours – minutes; pressing ◄ selects the figure to modify; pressing ▲ the figure increases; pressing ENTER you can confirm and go to the next menu item.

  • Page 40: Setpoint Programming

    SETPOINT PROGRAMMING From the weight display, press MENU to access the setpoint setting. MENU/ENTER: to enter a menu/confirm the data entry. ▲: to modify the displayed figure or menu item. ◄: to select a new figure or modify the displayed menu item. ESC: to cancel and return to the previous menu.

  • Page 41: Piece Counter

    PIECE COUNTER Weight has to be set to zero before selecting operation type. INCREASING OPERATION - Load the empty container on the scale; - press TARE to display zero (net weight); ▫ WDESK – WINOX: press START, select  and confirm with ENTER,  appears on the display;...

  • Page 42: Enabling Setpoint

    Press PRINT to print the number of pieces on the scale (see section PRINTING EXAMPLES). In piece counter mode you can: - set weight to zero for small variations (press and confirm with ENTER); - set semi-automatic tare (press TARE); - do a new sampling: ▫...

  • Page 43: Totalizer

    TOTALIZER SELECT TOTALIZER OPERATING MODE On WTAB instruments use MODE key in place of START/STOP key. - : basic operations; - : piece counter; - : totalizer; Select  and press ENTER to confirm; select type of totalization: - : fast manual totalization, the display shows  for 1 second; - : normal manual totalization, the display shows the number of the weighing for 1 second and then the total weight for 1 second;...
  • Page 44 Press PRINT to store and print weight values and number of weighing (), see section PRINTING EXAMPLES. If an input is configured as , closing that input gives you the same functions as if you had pressed PRINT. TOTALIZATION NOTES: the weight is only totalized and printed if not 0; if the instrument is metric the weight has to satisfy metric conditions (stabled weight and equal to at least 20 divisions) whatever the settings selected.

  • Page 45: Enabling Setpoint

    ENABLING SETPOINT Setpoint can be used to signal that totalized partial weight and total weight have been reached. WTAB: setpoint are always enabled. WDESK – WINOX: proceed as follow to enable setpoint: -(default): setpoint disabled; -: setpoint enabled; Setpoint 1 and 2 switch respectively based on totalized partial weight and total weight, the others always switch on weight.
  • Page 46 Serial protocol alarms:       MODE The response to the Bit LSB 76543210 76543210 76543210 76543210 76543210 zero command is a On gross: xxxxxxx1 xxxx1xxx xxxxxx1x xxxxx1xx Status 'value not valid' error xxx1xxxx Register (error code 3) On net: MODBUS RTU xx1xxxxx...

  • Page 47: Printing Examples

    PRINTING EXAMPLES If the printer has been set (see section SERIAL COMMUNICATION SETTINGS), from the weight display press the PRINT key for less than 3 seconds: BASIC PRINTOUT: ----------------------- W--- BASE Addr:01 DATE: 12/09/11 14:48:12 GROSS 878 kg 589 kg TARE 289 kg BASIC PRINTOUT (PEAK ENABLED):...
  • Page 48 TOTALIZER PRINTOUT: ----------------------- W--- BASE Addr:01 DATE: 12/09/11 14:48:12 GROSS 155 kg 155 kg TARE 0 kg TOTAL 3500 kg TOTP 2350 kg STORED TOTALIZED PRINTOUT: ----------------------- W--- BASE Addr:01 DATE: 10/05/12 08:22:06 FROM: 09/05/12 11:55:32 TOTAL 444 kg FROM: 09/05/12 11:55:32 TOTP 444 kg - 44 -...

  • Page 49: Reserved For The Installer

    RESERVED FOR THE INSTALLER MENU LOCKING Through this procedure, it’s possible to block the access to any menu on the instrument. Select the menu that you wish to lock: press ESC and ◄ simultaneously for 3 seconds, the display shows (the left point on the text indicates that this menu item is now locked).

  • Page 50: Keypad Or Display Locking

    PROGRAM SELECTION: confirm  and use the arrow keys to select the desired program: : basic program, setpoint management only. : to be used when the loaded weighing system correspond to not loaded cells and vice versa (product increases while weight on load cells actually decreases). : weight remote display program with setpoint.

  • Page 51: Declaration Of Conformity

    CERTIFICAZIONE DEL SISTEMA DI GARANZIA DELLA QUALITÀ DELLA PRODUZIONE email: laumas@laumas.it web: http://www.laumas.com LAUMAS Elettronica S.r.l. Tel. (+39) 0521 683124 - Fax (+39) 0521 681091 Fabbricante metrico Prot. N. 7340 Parma - R.E.A. PR N. 169833 - Reg. Imprese Via 1° Maggio 6 – 43022 Montechiarugolo (PR) Italy PR N.19393 - Registro Nazionale Pile N°...

This manual is also suitable for:

Wdesk-lWinox-rWinox-lWinox-2lWdesk-rWtab-l

Table of Contents