RADWAG WTC/4 3000 C8/EX Safety-Usage Manual Download Page 6 | Manualshive

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3. 4-LOAD CELL PLATFORMS IN WTC/4…C../EX.

Four load cell WTC/4…C../EX scales have modular construction and consist of:

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PUE C/31H/EX indicator

•

ZRi02 power supplier made by RADWAG, for placing behind the hazardous area

•

Load cells (Ex construction)

•

Mechanical construction – non-electrical part

PUE C/31H/EX indicator is connected via a ~3m cable with a tensometer built-in in a steel
platform. This platform is equipped in a weight pan made of stainless steel.
The connecting cable is protected by a pliant pipe made of zirconium steel.
Indicators are supplied from ZRi02 power suppliers made by RADWAG placed outsider a
hazardous area.
The housing is connected to the weighing platform via a pliant pipe that is a conductor.

WTC/4…..C../EX scales with PUE C/31H/EX

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Summary of Contents for WTC/4 3000 C8/EX

Page 1: ...3000 C8 EX WTC 4 1500 C8 C9 EX WTC 4 3000 C8 C9 EX WTC 4 1500 C9 EX WTC 4 3000 C9 EX WTC 4 3000 C10 EX WTC 4 3000 C11 EX MANUFACTURER OF ELECTRONIC WEIGHING INSTRUMENTS RADWAG 26 600 Radom Bracka 28...

Page 2: ...2 JULY 2007...

Page 3: ...2 Return to weighing 19 17 WEIGHING 20 17 1 Tarring 20 17 2 Inscribing tare value 21 17 3 Zeroing 21 17 4 Weighing for two range scales 22 17 5 Setting of basic unit for weighing 22 17 6 Temporarily w...

Page 4: ...ROR MESSAGES 45 22 INTENDED USE 47 23 CONSTRUCTION 47 23 1 safety analysis 47 24 OPERATION 48 24 1 Connecting to the supplier 48 24 2 View and dimensions 48 25 SAFETY REQUIREMENTS 49 25 1 Exchanging f...

Page 5: ...ome circumstances marking of passages that are crucial for anti explosive safety Safety usage manual can be complement with additional warnings and security information provided by RADWAG The whole pe...

Page 6: ...al part PUE C 31H EX indicator is connected via a 3m cable with a tensometer built in in a steel platform This platform is equipped in a weight pan made of stainless steel The connecting cable is prot...

Page 7: ...e marked II 2 G IIB T4 Symbology description according to 94 9 WE Directive WTC 4 C EX scales are intended to interior and outdoor operation But it should not be exposed to active chemical vapours ext...

Page 8: ...H EX indicators has an intrinsic safety construction that comprise with the standards PN EN 50014 and PN EN 50020 which is confirmed by KDB 06ATEX250 certificate The indicator is supplied from ZRi02 p...

Page 9: ...unpacked outsider the hazardous area NOTICE Equipotentialisation is required for the indicator The earthing wire should be connected to the terminal marked by Before moving the scale to the place of o...

Page 10: ...g feet to regulate the level If levelling is necessary proceeded as directed below Set the level by turning feet Then screw down the lock nuts to block the feet Place the power supplier outside the ha...

Page 11: ...ve the device to the safe area for temporarily storage to prevent it from using until it is repaired Connect the supplier to mains 230V AC Un case of prolonged not using of the scale unplug it from ma...

Page 12: ...no explosive gases in the atmosphere There is forbidden to us concentrated acids bases solvents or alcohol for cleaning WPT 4P H EX scales There is also forbidden to use compressed air and high press...

Page 13: ...when the explosive atmosphere cannot appear Indicators with cable can be mounted on the rack on the wall or on the table using a special holder Weighings platform should be placed on even and stable...

Page 14: ...Connation of supplier 1 Power supply socket 2 Power supply socket 3 Earthing terminal 4 Tensometer cable 5 Power supply socket description Power supply socket description 14...

Page 15: ...the damage of the casing Cleaning should be performed when the appearance of explosive gases is impossible 10 SERVICE AND REPAIRING In case of any problems with appropriate operation of the indicator...

Page 16: ...latch Automatic tare Tare memory Manual tare inscription User s calibration Totalizing Operation functions can be enabled disabled for users in parameters See the further part of the manual 12 KEYBOA...

Page 17: ...tion of scale 4 Auto Measurement of max force influencing weighing pan 5 toP Totalizing 6 Add Scale in autozero range indication precise zero 7 Result of measurement is stable ready for readout 8 Scal...

Page 18: ...l letter P Names of groups and their contents are shown below P1 rEAd P1 1 FiL 2 P1 2 Auto YES P1 3 tArA no P1 4 Fmd no P2 Prnt P2 2 S_Lo P3 Unit P3 1 StUn kg P4 Func P4 1 FFun ALL P4 2 Funi No P4 3 P...

Page 19: ...confirmation leave a function without changes or move one level higher in the menu 16 2 Return to weighing Introduced changes in the scale memory will be saved after return to weighing by the procedur...

Page 20: ...TARE key mass indication will go back to zero Net symbol will be displayed on the left side of the display After placing a load the display will indicate net mass Tarring can be done repeatedly in ful...

Page 21: ...to the weighing mode and the value of tare value is displayed with the sign provided the scale pan is empty Tare value can be inscribed any time in weighing mode 17 3 Zeroing Zeroing display status is...

Page 22: ...akes place until unloading the pan After taking off the load the indication returns to zero and the scale returns to the first range The switching off appears after retuning to AUTOZERO zone the picto...

Page 23: ...basic unit is set to kg users can toggle between kg lb N For verified scales lb is not accessible When the basic unit is set to g users can toggle between g ct Save changes and return to weighing see...

Page 24: ...d until the scale is switched off Procedure Press F After confirmation the scale returns to weighing in a selected units Possibilities of selection When the basic unit is set to kg users can toggle be...

Page 25: ...equirements autozero tare value These parameters can be found P1 rEAd 18 1 Adjustment of filtering level Procedure using select the filter value OFF filter switched off 1 4 filtering levels to select...

Page 26: ...ge e g one division scale will be zeroed automatically stable state will be marked and zero indication will be displayed When AUTOZERO function is enabled each result starts from precise zero However...

Page 27: ...utomatic tare no automatic tare function off user can turn on operating of automatic tare F6 AtAr till unplugging the balance from mains tArF tare memory function stores last value of tare in balance...

Page 28: ...r The rule of the median filter is to attenuate short lasting interference e g mechanical shocks Procedure MEDIAN FILTER no median filter disabled MEDIAN FILTER YES median filter enabled Return to wei...

Page 29: ...19 MINIMAL MASS S_LO It works for automatic functions The rule is that no automatic tare will be performed until the indication drops below S_Lo value gross Procedure Return to weighing see 16 2 29...

Page 30: ...functions they want to use after pressing F while in weighing mode Enter P4 Func 20 1 1 Setting functions His parameter enables the selection if users want to access all enabled functions by pressing...

Page 31: ...he standard solution is equipped with option of counting small pieces of the same mass Counting pieces does not operate with other scale functions It is possible to execute a tare function in this ope...

Page 32: ...0 20 50pcs or free if you want to choose one of them e g 20pcs press and proceed as shown in the picture If the option FrEE was chosen you must enter the quantity of sample which will serve to determi...

Page 33: ...he pan as many details as entered during option Press PRINT key scale will indicate quantity of sample PCS symbol is active add remaining details display will indicate their quantity Return to weighin...

Page 34: ...ed standard mass Procedure Enter the function During setting threshold values following cases take place SET LOWER THRESHOLD TARE selection of the digit to set ZERO selection of the digit value PRINT...

Page 35: ...n of the digit value PRINT confirmation of the entered values 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...

Page 36: ...PrcB function 20 4 1 Control of deviation referring to the inscribed standard mass Procedure Enter the function place an load on the pan which mass will be accepted as standard press PRINT to confirm...

Page 37: ...on of a digit to set ZERO setting the value of the selected set value of mass of standard enter it to scale memory using PRINT key display will indicate 0 00 From this moment display will not indicate...

Page 38: ...table automatic tarring of the container mass will be performed Net marker will appear in the upper part of the display place a sample into the package display will indicate net mass of sample remove...

Page 39: ...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 remove loads from the pan before the next mea...

Page 40: ...ed by pictogram in the right upper corner of the display and the weighing will be printed out via RS232 Unload the pan the indication will return to ZERO and letter P will appear Put the next load on...

Page 41: ...TOTAL 3 824 kg In case of the next pressing of PRINT with some load on the pan it will be signalled by unLoAd unload the pan to return to ZERO Letter P will appear The scale is ready for the next tota...

Page 42: ...ication will return to ZERO and the letter P will appear on the display Press F 0 or TARE to finish the last the procedure You will see the letter P on the display The scale is ready for the next tota...

Page 43: ...ing calibration remove loads from the pan 21 1 Calibration Procedure following inscriptions will appear A new start mass is adjusted during this period of time After that a mass of calibration weight...

Page 44: ...ee 11 2 21 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 the display will show the following information...

Page 45: ...mass Err5 Mass of a single piece lower than the scale division Err7 power down time was to short should be over 3s Err8 operation time exceeded tarring zeroing null zero value from the AD converter F...

Page 46: ...46 Technical Documentation ZRi02 Power Supplier...

Page 47: ...ug The intrinsic safety of the device are assured by the following components Mains transformer with a thermal fuse of the primary winding It complies with the PN EN 50020 2005 standard Resistor limit...

Page 48: ...supplier outside the hazardous area 6 Connect the plug to the socket in the indicator Socked marked as DC IN 7 Plug to the mains 230V AC 8 In case of not using the device unplug from the mains 230V A...

Page 49: ...only outside a hazardous area 25 1 EXCHANGING FUSES You can exchange fuses only outside the hazardous area after disconnecting from mains 230V AC To change the fuse proceed as follows 1 Disconnect fr...

Page 50: ...NUAL USING FUSES OF OTHER TYPES CAN CAUSE LOOSING THE INTRINSIC SAFETY OF THE OUTPUT CIRCUIT 25 2 CLEANING THE SUPPLIER Cleaning can be performed only after unplugging from mains 230V AC and from the...

Page 51: ...and connectors about 1kg Supply cable of 20m length terminated with M12 4 pin connector 26 1 MARKING 26 1 1 Rating plate Rating plate of ZRi02 view 26 1 2 Plug description of the intrinsic safety circ...

Page 52: ...27 DECLARATION OF CONFORMITY AND CERTIFICATES 52...

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Page 58: ...URER 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 ZMP RADWAG 26 600 Radom Bracka 28 Street Phone 48 48 38 48 800 phone fax 48 48 385 00 10 Selling department 48 48 366 80 06 www radwa...

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