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User Manual
Precision scales – WLC series
Manual number:
ITKU-22-02-01-12-A
M A N U F A C T U R E R O F E L E C T R O N I C
W E I G H I N G I N S T R U M E N T S
RADWAG Wagi Elektroniczne 26 – 600 Radom Bracka 28 Street - POLAND
Phone +48 48 384 88 00, phone/fax. +48 48 385 00 10
Selling department +48 48 366 80 06
www.radwag.com
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Summary of Contents for RADWAG ITKU-22-02-01-12-A
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Page 1: User Manual
W E I G H I N G I N S T R U M E N T S RADWAG Wagi Elektroniczne 26 – 600 Radom Bracka 28 Street - POLAND Phone +48 48 384 88 00, phone/fax. +48 48 385 00 10 Selling department +48 48 366 80 06 www.radwag.com... - Page 2 JANUARY 2012 - 2 -...
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Page 3: Table Of Contents
TABLE OF CONTENTS 1. INTENDET USE ........................5 2. PRECAUTIONS ........................6 2.1. Maintenance ....................... 6 2.2. Accumulator / battery pack..................6 2.2.1. Power supply of scales WLC C1…C2 ............... 7 2.2.2. Replacement of worn batteries ................7 2.3. Operation in a strong electrostatic field ............... 8 3. - Page 4 16.3. Counting pieces of the same mass ................. 39 16.4. +/- control referring to the inscribed standard mass..........41 16.5. Control of % deviation referring to the inscribed standard mass ......43 16.5.1. Standard mass determined by its weighing ........... 43 16.5.2.
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Page 5: Intendet Use
1. INTENDET USE Scales are designed for fast and precise measurements of weighed loads masses and direct commercial settlements. Tarring in full weighing range enables to determine net mass of weighed loads. Additional display is additional equipment of scale. Functions: ... -
Page 6: Precautions
2. PRECAUTIONS 2.1. Maintenance A. Please, read carefully this user manual before and use the device according to its intended use. B. Devices that are to be withdrawn from use age should be sent back to the producer or in case of own utilization do it according to the law. 2.2. -
Page 7: Power Supply Of Scales Wlc C1
2.2.1. Power supply of scales WLC C1…C2 WLC C1…C2 scales are intended to be supplied from a power adapter or from NiMH rechargeable battery pack (standard equipment). New rechargeable batteries should be formatted according to the description in the chapter 15.4.4. of this manual. Alternatively, you can use to power the device R6 size standard non- rechargible batteries. -
Page 8: Operation In A Strong Electrostatic Field
Connect it to the clamp terminal signed 3. WARRANTY CONDITIONS A. RADWAG is obliged to repair or change those elements that appears to be faulty because of production and construction reason, B. Defining defects of unclear origin and outlining methods of... -
Page 9: Main Dimensions
E. Loss of warranty appears after: Access by an unauthorized service, Intrusion into mechanical or electronic construction of, unauthorized people, Removing or destroying protection stickers. F. Warranty conditions outline the warranty period for rechargeable batteries attached to the device for 12 months. G. - Page 10 Scales WLC/C1/R Scales WLC/C2/R Scales WLC/C1/K Scales WLC/C2/K - 10 -...
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Page 11: Unpacking And Assembly
5. UNPACKING AND ASSEMBLY Unpack and put the scale on a flat even stable surface far away from sources of heat, Remove the transport protection: Scales WLC…/C/2: Scales WLC/B1: Scales WLC/C/K, WLC/C/R: Install the weight pan according to the drawings below: ... -
Page 12: Getting Started
scales WLC/B1: scales WLC/C/K: scales WLC/C/R: 6. GETTING STARTED After unpacking and mounting the scale level it out. Use levelling legs and the level condition indicator installed in the basis of the scale. Turn the device on using the key –... -
Page 13: Balance Levelling
Caution: In case of verified scales in II OIML class with divisions e=10d (where: d – reading division, e – verified division) the last digit will be marked as shown below: 7. BALANCE LEVELLING Operation temperature range for this device is outlined as +15C ... -
Page 14: Keys' Functions
Keypad of WLC C1…C2 series Keypad of WLC/B1 series Notice: Scales of WLC/A2 series are equipped with an additional key tarring and has no additional functions but the keypad of the WLC…/C/2 scale include an additional key for direct starting the process of internal calibration. -
Page 15: Inscriptions On The Display
10. INSCRIPTIONS ON THE DISPLAY Text string Description Filter level Transmission baud rate bAud Piece counting HiLo +/- control according to a standard mass rEPL Automatic printout StAb The condition of printing data Auto Autozero correction Power save – time to switch off while no operation Latch of the max measurement Totalizing Weighing animals... -
Page 16: User Menu
11. USER MENU 11.1. Submenus User’s menu is divided into 6 basic submenus. Each group has its own characteristic name preceded by the letter P and a number. P1 rEAd P 1.1 Fil P 1.2 Auto P 1.3 tArA P 1.4 Fnnd P2 Prnt P2.1 Pr_n... -
Page 17: Browsing User Menu
11.2. Browsing user menu Use scale’s keys to move inside the menu. 11.2.1. Keypad Entering main menu Inscribing tare value Increasing a digit value by „1” moving down in the menu Battery / accumulator state monitoring Toggling between gross / net values Selecting the parameter or changing the value of a selected parameter Entering the selected submenu... -
Page 18: Weighing
12. WEIGHING Put a load you want to weigh on the weighing pan. When the pictogram appears it means that the result is stable and ready to read. In order to assure long-term operation and appropriate measurements of weighted loads following precautions should be taken into consideration: ... -
Page 19: Tarring
12.1. Tarring In order to determine the net mass put the packaging on the pan. After stabilising press - (Net pictogram will be displayed in the left upper corner and zero will be indicated). After placing a load on the weight pan net mass will be shown. Tarring is possible within the whole range of the scale. -
Page 20: Zeroing
Using set the tare value, Press Program returns to weighings mode. The inscribed tare value can be seen on the display with „–” sign, Tare can be inscribed anytime in weighings mode. Notice: 1. You cannot inscribe a new tare value when the tare value in memory is greater than zero. -
Page 21: Selection Of Basic Weight Unit
12.5. Selection of basic weight unit This function is used to set weight unit the scale will start with. Procedure: Enter the submenu <P3.Unit> and then: press , until the expected unit appears on the display: Options: A. When the basic unit is [kg], users can toggle between: [kg, lb, N], for verified scales [lb] is not accessible, B. -
Page 22: Temporarily Selected Unit
After you select the unit press , the scale returns to: Return to weighing according to chapter - 11.2.2. Notice: After turning on the scale always sets the basic unit. 12.6. Temporarily selected unit This function is used to set weight unit the scale will use temporarily until the next power off or next selection. -
Page 23: Main Parameters
Options: A. When [kg] is a basic unit, users can select following units: [kg, lb, N], [lb] is not accessible for verified scales. B. When [g] is a basic unit, users can select following units: [g, ct, lb], [lb] is not accessible for verified scales. 13. -
Page 24: Median Filter
Notice: Filtering level influences the time of stabilization. The higher the filtering level is the longer stabilization time is needed. Return to weighing: See - 11.2.2. 13.2. Median filter This filter eliminates short changes (impulses) of measure signal (e.g. shocks). Procedure: ... -
Page 25: Autozero Function
13.3. Autozero function The autozero function has been implemented in order to assure precise indications. This function controls and corrects „0” indication. While the function is active it compares the results continuously with constant frequency. If two sequentional results differ less than the declared value of autozero range, so the scale will be automatically zeroed and the pictograms will be displayed. -
Page 26: Tare Function
13.4. Tare function This parameters enables users to configure a tare function. Procedure: Enter the submenu <P1.rEAd> and then: tArA AtAr automatic tare function on and is stored in balance memory after unplugging it from mains (Description of function operating point 16.6 automatic tare) tArA automatic tare function off (user can turn on operating of automatic tare F6 AtAr –... -
Page 27: Rs 232 Parameters
14. RS 232 PARAMETERS External devices connected to RS 232C have to be supplied from the same mains and common electric shock protection. It prevents from appearing a potential difference between zero leads of the two devices. This notice does not apply to the devices that do not use zero leads. Transmission parameters: ... -
Page 28: Minimal Mass Threshold
immediate printout Pr_n noStAb (not accessible in verified scales) sending stable results Pr_n StAb automatic operation Pr_n rEPL continuous transmission in basic unit Pr_n CntA continuous transmission in present unit Pr_n Cntb Return to weighing: see 11.2.2. 14.2. Minimal mass threshold This function is necessary while working with automatic tare or automatic operation or weighing animals. -
Page 29: Baud Rate
Return to weighing: see 11.2.2. 14.3. Baud rate Procedure: Enter the submenu <P2.Prnt> and then: - 29 -... -
Page 30: Serial Transmission Parameters
Return to weighing: see 11.2.2. 14.4. Serial transmission parameters Procedure: Enter the submenu <P2.Prnt> and then: 7d2SnP - 7 data bits; 2 stop bits, no parity control 7d1SEP - 7 data bits; 1 stop bit, EVEN parity control 7d1SoP - 7 data bits; 1 stop bit, ODD parity control 8d1SnP - 8 data bits;... -
Page 31: Other Parameters
15. OTHER PARAMETERS The user can set parameters which influence the scale operation. They are gathered in the submenu <P5.othr> e.g. backlight and beep signal. Enter this submenu <P5.othr> according to chapter 11.2. 15.1. Backlight function Program recognises the way the scale is supplied (mains, battery) and automatically selects the way of operating on the backlight: –... -
Page 32: Backlight For Supplying From Batteries
Return to weighing: See 11.2.2. Notice: When bl=Auto, and the indication has not changed for 10s, the backlight is automatically switched off. The backlight is switched on again automatically after the result changes. 15.1.2. Backlight for supplying from batteries The user can change the intensity of backlight from 0% to 100%. The lower the intensity is the longer the scale operates without recharging or exchanging batteries. -
Page 33: Beep" Signal - After Pressing A Key
15.2. “Beep” signal – after pressing a key Procedure: Enter the submenu <P5.othr> and then: bEEP - switched off bEEP YES - switched on Return to weighing: See 11.2.2. 15.3. Automatic switch-off This function is essential to save the battery power. The scale is switched off automatically when (function t1 = YES) no weighing appears in 5 minutes. -
Page 34: Battery Voltage Level Check
automatic enabling/disabling according to the source of power. Procedure: Enter the submenu <P5.othr> and then: Returnto weighing: See 11.2.2. 15.4. Battery voltage level check While supplying from batteries too low level of voltage is measured by software the pictogram is displayed. -
Page 35: Battery Discharge Pictogram
Procedure: After displaying the level of batteries (in per cents) the program returns to weighing. 15.4.2. Battery discharge pictogram The symbol (bat low) switches on when the voltage level drops to 18% of the accepted level of voltage. It means that charging or exchanging batteries is required. -
Page 36: Formatting Rechargeable Battery Packs
Message <nImh> appears on the display (for scales of WLC C1…C2, WLC/B1 series) or <SLA> (for scales of WLC/A2, WLC…/C/2 series), In case of damaging accumulators or lack of it the pictogram blinks quickly (period about 0.5 sec). Notice: WLC C1…C2 and WLC/B1 scales are equipped with NiMH batteries packs, R6 (AA) size and Power adapters for supplying from mines. -
Page 37: Operation Modes
Procedure: 1. Supply the indicator from mains, 2. Charge batteries for 12 hours (time of charging 2200mAh batteries), 3. After 12 hours unplug from mains, 4. Use the device up to the moment of self powering down, 5. Repeat the process of charging starting from point 1. Notice: They reach their optima capacity after three cycles of full charging and discharging. -
Page 38: Selecting Quantity Of Operation Modes
Return to weighing: See 11.2.2. 16.2. Selecting quantity of operation modes This function enables user to set if ,after pressing key, all operating modes will be accessible (ALL) or only one from the list chosen and used by operator. Procedure: ... -
Page 39: Counting Pieces Of The Same Mass
16.3. Counting pieces of the same mass Standard solution is equipped with option of counting small pieces of the same mass. It is possible to execute a tare function in this operating mode in order to tare a container value. Notice: 1. - Page 40 If option <LASt> is choosen in the scale program displays estimated unit mass of the last piece (about 3 sekonds) and then goes to Counting pieces automatically setting the previously displayed value as valid for the procedure. If the <FrEE> option is selected you will see: ...
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Page 41: Control Referring To The Inscribed Standard Mass
Notice: 1. If a user presses the key when load is not present on the pan, the message -Lo- will be indicated for a few seconds and the scale will automatically return to weighing. 2. In order to comply with the rules of appropriate counting pieces put as many pieces as possible during unit mass adjustment. - Page 42 The inscribed value confirm by pressing , the program will automatically go to the higher threshold of weighing (Max): The inscribed value confirm by pressing , the program will automatically go to the main window. During setting threshold values following cases take place: Notice: If a user erroneously enters a value of the lower threshold higher than the upper one, the scale will indicate an error message and...
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Page 43: Control Of % Deviation Referring To The Inscribed Standard Mass
Return to weighing: Press the key twice. 16.5. Control of % deviation referring to the inscribed standard mass Scale software enables control of deviation (in %) of weighed loads mass referring to the inscribed standard mass. Mass of standard can be determined by its weighing (PrcA function) or entered to the scale memory by an user (PrcB function). -
Page 44: Mass Of Standard Inscribed To Scale Memory
Return to weighing: Press the key twice. 16.5.2. Mass of standard inscribed to scale memory Procedure: Enter to <PrcB> function: The program goes to the weight display window: Using set standard mass, where: - digit selection, - digit setting. -
Page 45: Automatic Tare
Return to weighing: Press the key twice. 16.6. Automatic tare This function is useful for fast net mass determination of weighed load in case when tare value of is different for each load. In case when the function is active the cycle of scales operating looks as follows: ... -
Page 46: Measurement Of Maximal Force On The Pan - Latch
16.7. Measurement of maximal force on the pan – latch Procedure: Enter to <toP> function: Confirmation of choice of <toP> function is indication of the Max pictogram: Apply a force to the weighing pan, The display of scale will latch the maximum value of the force, ... -
Page 47: Enabling The Work Mode
16.8.1. Enabling the work mode Procedure: Enter to <Add> function: A letter „P” in the left side of the display is a confirmation that <Add> function have been selected: 16.8.2. Totalizing procedure Enter <Add> function according to ch. 16.8.1, ... -
Page 48: Memory Of The Last Value Of Sum Of Weighed Goods
Take off the load from the pan, indication returns to ZERO and the letter „P” in the left part of the display appears, Put the next load on the pan, After stabilizing press , the sum of first and second weighing will appear on the display, the „▲”... -
Page 49: Return To Weighing
- In order to continue the procedure press , the indication returns to ZERO and the letter „P” appears in the left part of the display. The scale is ready for weighing, - In order to terminate the previous totalizing procedure press . -
Page 50: Weighing Animals
16.9. Weighing animals Procedure: Enter to <AnLS> function: The <tinnE> message appears on the display for 1s, and then the program goes to the window of setting the duration time (in seconds) of the animal weighing process: Confirm the selected value by pressing ... -
Page 51: Tare Memory
Load an animal to the platform, After exceeding the -LO- value (see 14.2), program starts the weighings process. The appearance of subsequent hyphens < - - - - - - - > showing the progress, After completing the process of weighings the result is latched on the display and additionally the OK pictogram is shown in the upper part of the display: ... - Page 52 The program goes to displaying the first value from the selection of tare values <tArE 0> (press to chose different values): After selecting the right position press and you will see an editing field: Enter the selected tare value to the scale memory - 52 -...
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Page 53: Selecting A Tare Value From The Memory
The program returns to the following window: Return to weighing: Press 16.10.2. Selecting a tare value from the memory Enter <tArE> function according to the ch. 16.10.1 of the manual, The program goes to displaying the first value from the selection of tare values <tArE 0>... -
Page 54: Scale Calibration
17. SCALE CALIBRATION In precise scales changes of gravitational acceleration have noticeable influence. The gravitational acceleration changes with altitude and latitude. Every scale has to be adjusted to the place of use especially when the place changes. Frequent calibration also prevents weighing process from the influence of humidity and temperature. -
Page 55: Manual Internal Calibration
17.1.1. Manual internal calibration Procedure: While in weighing mode press The scale program starts to check stability conditions for the calibration process and displays the following message: Then the program automatically goes to the internal calibration procedure which is signalled by the following message: ... -
Page 56: Automatic Internal Calibration
17.1.2. Automatic internal calibration The automatic calibration process can be triggered off by 3 different factors: Calibration after powering up After performing the start procedure the scale program starts to check stability conditions for the calibration process and displays the following message: ... - Page 57 Then the program automatically goes to the internal calibration procedure which is signalled by the following message: After completion of the calibration process program returns to the weighing mode. Calibration triggered off by timer The time condition for subsequent automatic calibration is 3 hours.
- Page 58 After completion of the calibration process program returns to weighing mode. Calibration process can be terminated anytime by pressing which is signalled by the following message on the display: Notice: 1. It should be remembered that internal calibration should be performed with unloaded pan with keeping possibly constant ambient conditions.
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Page 59: A Report From Calibration
17.1.3. A report from calibration Users, in parameter <P6.4.CA-r>, can enable a function of automatic printout of report form calibration process on a connected printer. Procedure: Enter the submenu <P6.CAL> and then: Powrót do ważenia: Patrz – punkt 11.2.2. – powrót do ważenia. The example printout of report from calibration: - 59 -... -
Page 60: External Calibration
17.2. External calibration Option only for non-verified scales Not accessible in WLC…/C/2 scales of WLC series Procedure: Enter submenu <P6.CAL> and then: Following messages will be displayed: During this time start mass is adjusted, and after completing the procedure calibration weight mass is displayed (e.g. -
Page 61: Start Mass Adjustment
The completion of the calibration procedure is signalled by the following message: Take off the weight from the pan, the message <donE> is displayed for 1s and the program returns to the calibration submenu: Calibration process can be terminated anytime by pressing which is signalled by the following message on the display: ... - Page 62 Procedure: Enter submenu <P6.CAL> and then: The following messages are displayed: The new start mass is adjusted and returns to the submenu: The process of start mass adjustment can be terminated by pressing , which is signalled on the display: ...
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Page 63: Cooperation With Printer
18. COOPERATION WITH PRINTER Each time the key is pressed a current mass value together with mass units is sent to RS 232 interface. Depending on setting of STAB parameter it can be printed out with temporary or stable value. Depending on setting of REPL parameter, printout will be automatic or manual. -
Page 64: Cooperation With Computer
19. COOPERATION WITH COMPUTER Sending weighing results to the computer can be done: - manually after pressing key, after function activating or sending - in continuous way an appropriate command, After stabilizing the indication - automatically - on the request from the computer After sending a control command These scales can cooperate with „EDYTOR WAG”... -
Page 65: Communication Protocol
20. COMMUNICATION PROTOCOL 20.1. General information A. A character protocol scale-terminal has been designed for communication between RADWAG scales and external devices via RS-232 interface. B. It consists of commands sent from an external device to the scale and a responses from a scale. -
Page 66: Respond Message Format
20.3. Respond message format After sending a request message you can receive: XX_A CR LF command accepted and in progress XX_D CR LF command completed (appears only after XX_A) XX_I CR LF command comprehended but cannot be executed command comprehended but time overflow error appeared XX _ ^ CR LF command comprehended but the indication below the XX _ v CR LF... -
Page 67: Get Tare Value
- command accepted and in progress T_A CR LF - command completed T_D CR LF - command accepted and in progress T_A CR LF - command comprehended but tare range overflow appeared T_v CR LF - command accepted and in progress T_A CR LF - time limit for stable result exceeded T_E CR LF... -
Page 68: Send The Result Immediately In Basic Unit
Frame format: 7-15 space stability space sign mass space unit Example: S CR LF – computer command S _ A CR LF - command accepted and in progress S _ _ _ _ - _ _ _ _ _ _ 8 . 5 _ g _ _ CR LF – command done, mass value in basic unit is returned. -
Page 69: Send The Result Immediately In Current Unit
- command accepted and in progress SU_A CR LF - timeout while waiting for stable results SU_E CR LF - command comprehended but cannot be executed SU_I CR LF - command accepted and in progress SU_A CR LF - mass value in current unit is returned MASS FRAME Frame format: 7-15... -
Page 70: Switch On Continuous Transmission In Basic Unit
20.4.8. Switch on continuous transmission in basic unit Syntax: C1 CR LF Possible answers: - command comprehended but cannot be executed C1_I CR LF - command comprehended and in progress C1_A CR LF - mass value in basic unit is returned MASS FRAME Frame format: 7-15... -
Page 71: Switch Off Continuous Transmission In Current Unit
20.4.11. Switch off continuous transmission in current unit Syntax: CU0 CR LF Possible answers: - command comprehended but cannot be executed CU0_I CR LF - command comprehended and executed CU0_A CR LF 20.4.12. Send all implemented commands Syntax: PC CR LF Possible answers: PC_- >_Z,T, TO,S,SI,SU,SUI,C1,C0,CU1,CU0,PC –... -
Page 72: Continuous Transmission
[space] for positive values or sign [-] for negative values 9 characters justified to the right mass 3 characters justified to the left unit 3 characters justified to the left command Example 1: _ _ _ _ _ _ 1 8 3 2 . 0 _ g _ _ CR LF – the printout generated from the scale after pressing ENTER/PRINT. -
Page 73: Configuring Printouts
If some information included are redundant or not sufficient and there is a necessity of changes one can design their own protocol format in EDYTOR WAG computer program. This piece of software is accessible in: http://www.radwag.com 21. ERROR COMMANDS Value beyond the zero range... -
Page 74: Trouble Shooting
2. Error FULL2 that appears on the display is also signalled by a continuous sound until the cause of error disappears. 22. TROUBLE SHOOTING Problem Cause Solution Connect to mains or Discharged batteries. change batteries Turning on does not work No batteries (not installed or Check the correctness of improperly installed) - Page 75 WLC 6/A2 WLC 10/A2 WLC 20/A2 Scale type: Max capacity 10kg 20kg Min capacity Reading division [d] 0,1g 0,1g 0,1g Verification interval [e] Range of tare -6kg -10kg -20kg Repeatability 0,1g 0,3g 0,3g ±0,1g ±0,3g ±0,3g Linearity 195×195mm Pan size Stabilization time 3 sec +15°C to +30°C...
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Page 76: Precise Scales Of Wlc
WLC 60/C2/R WLC 60/120/C2/R WLC 120/C2/R Scale type: WLC 60/C2/K WLC 60/120/C2/K WLC 120/C2/K Max capacity 60kg 60/120kg 120kg Min capacity Reading division [d] 1/2g Verification interval [e] Range of tare -60kg -120kg -120kg Repeatability 1/2g ±1g ±1/2g ±2g Linearity 400×500mm Pan size Stabilization time... -
Page 77: Additional Equipment
24. ADDITIONAL EQUIPMENT Accessories: KAFKA printer cable - P0136, Computer cable - P0108, EPSON printer cable - P0151, Power cord for car lighter 12V DC - K0047, Thermal printer - KAFKA, Dot matrix printer - EPSON, ... - Page 78 O F E L E C T R O N I C W E I G H I N G I N S T R U M E N T S RADWAG WAGI ELEKTRONICZNE 26 – 600 Radom, Bracka 28 Street POLAND Phone +48 48 384 88 00, phone/fax.
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