User Manual
Single load cell platform scales
Manual number:
ITKU-18-02-01-12-A
• Scales of WPT series
• Table scales of WPT/F series
• Waterproof scales of WPT/H series
• Waterproof scales of WPT/HR series
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 38 48 800, phone/fax. +48 48 385 00 10
Selling department +48 48 366 80 06
www.radwag.com
Summary of WPF
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User manual single load cell platform scales manual number: itku-18-02-01-12-a • scales of wpt series • table scales of wpt/f series • waterproof scales of wpt/h series • waterproof scales of wpt/hr series 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 w...
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- 2 - january 2012.
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- 3 - table of contents 1. Ntended use .......................................................................................................................................5 i 2. Precautions ..............................................................................................................
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- 4 - 15. Work modes ....................................................................................................................................43 15.1. Of operation modes.......................................................................................43 setting accessibility 15.2. Of...
Page 5: 1. Intended Use
- 5 - 1. Intended 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. Functions: • backlight of display • level of filtration • autozero function • setting ...
Page 6: 2. 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 B. Devices that are to be withdrawn from usage should be sent back to the producer or in case of own utilization do it according to the law. 2.2. Accumulator / battery ...
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Notice: some symbols on accumulators identify harmful elements/compounds: pb = lead, cd = cadmium, hg = mercury. 2.2.1. Power supply of weighing indicators in plastic casings indicators in plastic casing are intended to be supplied from a power adapter or from nimh rechargeable battery pack (standar...
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• remove discharged and then insert new batteries into the chamber, according to given polarity (+/-): • close the lid of the chamber for batteries: in pue c/31h and pue c/31h/z weighing indicators (stainless steel housing) the worn out accumulator can be exchanged to a new one by the authorized ser...
Page 9: 3. Warranty Conditions
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 elimination can be settled only in participation of a user and the manufacturer repre...
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Wpt/f…/c/k series – main dimensions wpt/f…/c/r series – main dimensions 4.2. Waterproof scales of wpt/h series wpt…h1 series (pillar 24cm) –main dimensions - 10 -.
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Wpt…h1series (pillar 7cm) –main dimensions wpt…h2 - wpt…h6 series – main dimensions - 11 -.
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4.3. Waterproof scales of wpt/hr series wpt…hr2 - wpt…hr6 series – main dimensions 4.4. Scales of wpt series wpt…c1/k series – main dimensions - 12 -.
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Wpt…c1/r series - main dimensions wpt…c1 series – main dimensions - 13 -.
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Wpt…c2/k series – main dimensions wpt…c2/r series – main dimensions - 14 -.
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Wpt…c2 series – main dimensions wpt…c3/k series – main dimensions - 15 -.
Page 16: 5. Unpacking and Assembly
Wpt…c3 series – main dimensions 5. Unpacking and assembly 5.1. Table scales of wpt/f series unpack and put the scale on a flat even stable surface far away from sources of heat. • maximally screw out the transport protection according to the drawing below: • install the pillar, be careful about the ...
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5.2. Scales of wpt series unpack and put the scale on a flat even stable surface far away from sources of heat and then: - remove transport protection: for versions with an indicator on the pillar: - 17 -.
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5.3. Waterproof scales of wpt/h, wpt/hr series unpack and put the scale on a flat even stable surface far away from sources of heat and then: • unscrew the pillar and the transport handler from the platform: - 18 -.
Page 19: 6. Getting Started
• turn the pillar and mount it to the platform. The surplus cable place inside the pillar. • pick up the pan and remove the transport protection. 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 t...
Page 20: 7. Keypad
7. Keypad 8. Keys’ functions switching on/off function key (operation mode selection) sending a weighing result to rs232 zeroing tarring notice: after pressing + keys’ functions changes. The way of operation in this mode is described in details further in this manual. - 20 -.
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9. Inscriptions on the display no text string description 1. Fil filter level 2. Baud transmission baud rate 3. Pcs piece counting 4. Hilo +/- control according to a standard mass 5. Repl automatic printout 6. Stab the condition of printing data 7. Auto autozero correction 8. T1 power save – time to...
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10.2. Browsing user menu use scale’s keys to move inside the menu. 10.2.1. 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 th...
Page 24: 11. Weighing
11. 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: • loads shou...
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11.1. 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...
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• using and 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. In ...
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11.5. Selection of basic weight unit this function is used to set weight unit the scale will start with. Procedure: • enter the submenu 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 sca...
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• after you select the unit press , the scale returns to: • return to weighing according to chapter - 10.2.2. Notice: after turning on the scale always sets the basic unit. 11.6. Temporarily selected unit this function is used to set weight unit the scale will use temporarily until the next power of...
Page 29: 12. 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. 12. Main parameters users can adjust the scale to ...
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Notice: filtering level influences the time of stabilization. The higher the filtering level is the longer stabilization time is needed. Return to weighing: see - 10.2.2. 12.2. Median filter this filter eliminates short changes (impulses) of measure signal (e.G. Shocks). Procedure: • enter the subme...
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12.3. 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 d...
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12.4. Tare function this parameters enables users to configure a tare function. Procedure: • enter the submenu and then: tara atar - automatic tare function on and is stored in balance memory after unplugging it from mains (description of function operating point 15.6 automatic tare) tara no - autom...
Page 33: 13. Rs 232 Parameters
13. 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. Tra...
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Pr_n nostab - immediate printout (not accessible in verified scales) pr_n stab - sending stable results pr_n repl - automatic operation pr_n cnta - continuous transmission in basic unit pr_n cntb - continuous transmission in present unit return to weighing: see 10.2.2. 13.2. Minimal mass threshold t...
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Return to weighing: see 10.2.2. 13.3. Baud rate procedure: • enter the submenu and then: - 35 -.
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Return to weighing: see 10.2.2. 13.4. Serial transmission parameters procedure: • enter the submenu 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; 1 stop b...
Page 37: 14. Other Parameters
14. Other parameters the user can set parameters which influence the scale operation. They are gathered in the submenu e.G. Backlight and beep signal. Enter this submenu according to chapter 11.2. 14.1. Backlight function program recognises the way the scale is supplied (mains, battery) and automati...
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Return to weighing: see 10.2.2. 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 . 14.1.2. Backlight for supplying from batteries the user can change the intensity ...
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14.2. “beep” signal – after pressing a key procedure: • enter the submenu and then: beep no - switched off beep yes - switched on return to weighing: see 10.2.2. 14.3. Automatic switch-off this function is essential to save the battery power. The scale is switched off automatically when (function t1...
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* automatic enabling/disabling according to the source of power. Procedure: • enter the submenu and then: returnto weighing: see 10.2.2. 14.4. Battery voltage level check while supplying from batteries too low level of voltage is measured by software the pictogram is displayed. It means that chargin...
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Procedure: after displaying the level of batteries (in per cents) the program returns to weighing. 14.4.2. 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. Lo...
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• message appears on the display (for indicators in plastic casings) or (for indicators in metal housings). • in case of damaging accumulators or lack of it the pictogram blinks quickly (period about 0.5 sec). Notice: indicators in plastic casings are equipped with the set of rechargeable batteries ...
Page 43: 15. Work 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 optim...
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No – mode is disabled yes – mode is enabled return to weighing: see 10.2.2. 15.2. 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: • enter the...
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15.3. 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. Counting pieces does not work together with other scale function...
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• if option is choosen in the scale program displays estimated unit mass of the last piece (about 3 seconds) and then goes to counting pieces automatically setting the previously displayed value as valid for the procedure. • if the option is selected you will see: • using and enter the required samp...
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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 adju...
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• 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 e...
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Return to weighing: • press the key twice. 15.5. 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 en...
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Return to weighing: • press the key twice. 15.5.2. Mass of standard inscribed to scale memory procedure: • enter to function: • the program goes to the weight display window: • using and set standard mass, where: - digit selection, - digit setting. • confirm the entered value by pressing , • you wil...
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Return to weighing: • press the key twice. 15.6. 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: • press zeroing key when ...
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15.7. Measurement max force on the pan – latch procedure: • enter to function: • confirmation of choice of 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 • remove loads from the pan • before the next ...
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15.8.1. Enabling the work mode procedure: • enter to function: • a letter „p” in the left side of the display is a confirmation that function have been selected: 15.8.2. Totalizing procedure • enter function according to ch. 16.8.1, • put the first load on the pan. If the weighing procedure is perfo...
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• 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 „▲” pictogram in the upper right corner will be di...
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- 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 key, , or . You will see the letter „p” in the left part of the dis...
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15.9. Weighing animals procedure: • enter to function: • the messageappears 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 , • you will see the following window: - 56 -.
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• load an animal to the platform, • after exceeding the -lo- value (see 13.2), 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 ...
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• the program goes to displaying the first value from the selection of tare values (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 , • the program returns to the following window: - 5...
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Return to weighing: • press . 15.10.2. Selecting a tare value from the memory • enter 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 (press to chose different values): • to use an entered tare value press , you ...
Page 60: 16. User Calibration
16. User calibration only for non-verified scales confirmation of high accuracy of weighing requires periodical correcting of calibration factors in the scale memory – this is adjustment of the scale. Calibration should be performed when we start weighing or dynamic change of temperature occurs. Bef...
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• put a weight of the displayed mass value on the pan and press . The calibration process will start which is signalled by the message: • after completion of the process of calibration the following screen will appear • take off the weight , then the following sequence of screens will appear • calib...
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16.2. Start mass adjustment if the scale does not require the full calibration process sit is possible to adjust only a new start mass. Procedure: • enter the submenu and then: • the display will show the following information • after the completion of the start mass adjustment the following screen ...
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• return to weighing performing the procedure of saving parameters. Caution: if the start mass adjustment lasts longer than 15 the message will be displayed and short audible signal will be emitted. Press to perform calibration again with more stable ambient conditions! 17. Cooperation with printer ...
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Cable diagrams: scale – kafka printer cable diagram for plastic casing scale – kafka printer cable diagram for steel housing 18. Cooperation with computer sending weighing results to the computer can be done: - manually - after pressing key, - in continuous way - after function activating or sending...
Page 65: 19. Communication Protocol
Cable diagrams: scale – computer cable diagram for plastic casing scale – computer cable diagram for metal housing 19. Communication protocol 19.1. General information a. A character protocol scale-terminal has been designed for communication between radwag scales and external devices via rs-232 int...
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- 66 - 19.2. A set of commands for rs interfaces commands description of commands z zeroing t tarring to get tare s send the stable result in basic unit si send the result immediately in basic unit su send the stable result in current unit sui send the result immediately in current unit c1 switch on...
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- 67 - xx - command name _ - substitutes spaces 19.4. Command’s description 19.4.1. Zeroing syntax z cr lf possible answers: z_a cr lf z_d cr lf - command accepted and in progress - command completed z_a cr lf z_^ cr lf - command accepted and in progress - command comprehended but zero range overflo...
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- 68 - to_tara cr lf - command executed frame format: 1 2 3 4 5-6 7-15 16 17 18 19 20 21 t o space stability space tare space unit cr lf tare - 9 characters with decimal point justified to the right unit - 3 characters justified to the left 19.4.4. Send the stable result in basic unit syntax: s cr l...
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- 69 - si_i cr lf - command comprehended but cannot be executed at the moment mass frame - mass value in basic unit is returned frame format: 1 2 3 4 5 6 7-15 16 17 18 19 20 21 s i space stability space sign mass space unit cr lf example: s i cr lf – computer command s i _ ? _ _ _ _ _ _ _ 1 8 . 5 _ ...
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- 70 - 19.4.7. Send the result immediately in current unit syntax: sui cr lf possible answers: sui_i cr lf - command comprehended but cannot be executed mass frame - mass value in current unit is returned immediately frame format: 1 2 3 4 5 6 7-15 16 17 18 19 20 21 s u i stability space sign mass sp...
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- 71 - possible answers: c0_i cr lf - command comprehended but cannot be executed c0_a cr lf - command comprehended and executed 19.4.10. Switch on continuous transmission in current unit syntax: cu1 cr lf possible answers: cu1_i cr lf - command comprehended but cannot be executed cu1_a cr lf mass f...
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19.5. Manual printouts / automatic printouts users can general manual or automatic printouts from the scale. • manual printouts can be performed after loading the pan and stabilizing indication by pressing . • automatic printouts can be performed only after loading the pan and stabilizing indication...
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- 73 - 19.6. Continuous transmission the indicator can work in a continuous transmission mode. It can be switched on or off in parameters or using rs232 commands. The frame format sent by the indicator in case of setting to cnta: 1 2 3 4 5 6 7-15 16 17 18 19 20 21 s i space stability space sign mass...
Page 74: 20. Error Commands
- 74 - 20. Error commands err2 - value beyond the zero range err3 - value beyond the tare range err4 - calibration mass or start mass beyond the acceptable range ( ±1% for weight, ±10 for start mass) err5 - mass of a single piece lower than the scale division err8 - exceeded the time for tarring, ze...
Page 75: 21. Technical Parameters
- 75 - 21. Technical parameters 21.1. Scales of wpt series wpt 6 c1 wpt 15 c1 wpt 30 c1 wpt 30 c2 wpt 6 c1/k wpt 15 c1/k wpt 30 c1/k wpt 30 c2/k scale type: wpt 6 c1/r wpt 15 c1/r wpt 30 c1/r wpt 30 c2/r max capacity 6kg 15kg 30kg 30kg min capacity 40g 100g 200g 200g readability 2g 5g 10g 10g verifi...
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- 76 - notice: /k designation describes a scale with an indicator with the cable, /r signifies a scale with an indicator integrated with the scale platform. Wpt 3/6 c1 wpt 6/15 c1 wpt 15/30 c1 wpt 3/6 c1/k wpt 6/15 c1/k wpt 15/30 c1/k scale type: wpt 3/6 c1/r wpt 6/15 c1/r wpt 15/30 c1/r max capacit...
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- 77 - 21.2. Table scales of wpt/f series wpt/f 3c wpt/f 6c wpt/f 15c wpt/f 30c wpt/f 3c/k wpt/f 6c/k wpt/f 15c/k wpt/f 30c/k scale type: wpt/f 3c/r wpt/f 6c/r wpt/f 15c/r wpt/f 30c/r max capacity 3kg 6kg 15kg 30kg min capacity 20g 40g 100g 200g readability 1g 2g 5g 10g verification division 1g 2g 5...
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- 78 - 21.3. Waterproof scales of wpt/h series wpt 3h1 wpt 6h2 wpt 15h2 wpt 15h3 wpt 30h3 scale type: wpt 3h1/k wpt 6h2/k wpt 15h2/k wpt 15h3/k wpt 30h3/k max capacity 3kg 6kg 15kg 15kg 30kg min capacity 20g 40g 100g 100g 200g readability 1g 2g 5g 5g 10g verification division 1g 2g 5g 5g 10g tare ra...
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- 79 - wpt 60h5 wpt 150h5 wpt 300h5 wpt 150h6 wpt 300h6 scale type: wpt 60h5/k wpt 150h5/k wpt 300h5/k wpt 150h6/k wpt 300h6/k max capacity 60kg 150kg 300kg 150kg 300kg min capacity 400g 1000g 2000g 1000g 2000g readability 20g 50g 100g 50g 100g verification division 20g 50g 100g 50g 100g tare range ...
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- 80 - wpt 30/60h3 wpt 60/150h3 wpt 30/60h4 wpt 60/150h4 scale type: wpt 30/60h3/k wpt 60/150h3/k wpt 30/60h4/k wpt 60/150h4/k max capacity 30/60kg 60/150kg 30/60kg 60/150kg min capacity 200/400g 400/1000g 200/400g 400/1000g readability 10/20g 20/50g 10/20g 20/50g verification division 10/20g 20/50g...
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- 81 - 21.4. Waterproof scales of wpt/hr series wpt 3hr2 wpt 6hr2 wpt 15hr2 wpt 15hr3 wpt 30hr3 scale type: wpt 3hr2/k wpt 6hr2/k wpt 15hr2/k wpt 15hr3/k wpt 30hr3/k max capacity 3kg 6kg 15kg 15kg 30kg min capacity 20g 40g 100g 100g 200g readability 1g 2g 5g 5g 10g verification division 1g 2g 5g 5g ...
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- 82 - wpt 3/6hr2 wpt 6/15hr2 wpt 15/30hr3 wpt 30/60hr3 wpt 60/150hr3 scale type: wpt 3/6hr2/k wpt 6/15hr2/k wpt 15/30hr3/k wpt 30/60hr3/k wpt 60/150hr3/k max capacity 3/6kg 6/15kg 15/30kg 30/60kg 60/150kg min capacity 20/40g 40/100g 100/200g 200/400g 400/1000g readability 1/2g 2/5g 5/10g 10/20g 20/...
Page 83: 22. Trouble Shooting
- 83 - 22. Trouble shooting problem cause solution discharged batteries. Connect to mains or change batteries turning on does not work no batteries (not installed or improperly installed) check the correctness of installation (polarization) the scale turns off automatically „t1” set to „yes” (power ...
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- 84 - • rs232 / rs485 converter for pue c/31 – kr-01, • rs232 / ethernet converter for pue c/31 - kr-04, • stainless steel anti-vibration table - sap/n, • a case for save carring/transporting a scale of wpt/c1/k series – w2, • anti-dust case for epson printer, • a rack for pue c/31, pue c/31h or pu...
Page 85: Manufacturer
Manufacturer 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 tel. +48 48 38 48 800, tel./fax. + 48 48 385 00 10 selling departament + 48 48 366 80 06 www.Radwag.Com - 85 -.