Vetek JCL-12, Service Manual

Page 1: ...Vetek Weighing AB www vetek com JWL Service Manual May not be reproduced in any form without written permission PAGE 0 JWL Series Service Manual ...

Page 2: ...ctric circuit 8 2 5 Performance inspection 8 3 Maintenance and setting 9 3 1 Maintenance flow 9 3 2 Model setting 9 4 Setting of parameters 10 4 1 Parameter setting 10 4 2 Description of parameter values 11 4 3 Unit setting 13 5 Linear calibration 17 6 Single point calibration 19 7 Error message list 21 8 External interface 22 8 1 RTC function setting 22 8 2 Signal output pins of three in one boar...

Page 3: ...Vetek Weighing AB www vetek com JWL Service Manual May not be reproduced in any form without written permission PAGE 2 1 Assembly Drawing 1 1 Explosive view ...

Page 4: ...rew for transport protection 1 JPL 10 31 0404 0000xm 11 Xm rubber levelers 4 JWL 11 01 0100 0030 12 xm RS232 board 1 JCL 12 80 0900 2200xm 13 1 xm sensor Chung Yuen 3k 1 JWL 13 51 0400 0400xm 13 2 xm sensor Chung Yuen 5k 1 JWL 13 51 0410 0000 13 3 xm sensor Chung Yuen 10k 1 JWL 13 51 0410 0010 13 4 xm sensor Chung Yuen 20k 1 JWL 13 51 0410 0020 13 5 xm sensor Chung Yuen 40k 1 JWL 13 51 0410 0040 1...

Page 5: ...Vetek Weighing AB www vetek com JWL Service Manual May not be reproduced in any form without written permission PAGE 4 1 3 Block diagram of electronic structure ...

Page 6: ...Vetek Weighing AB www vetek com JWL Service Manual May not be reproduced in any form without written permission PAGE 5 1 4 Wiring diagram 圖中中文應去除 ...

Page 7: ... or not Yes Yes Replace machine board and repair or replace LOAD CELL No Return to START Replace machine board and repair interference exists or not Return to START No Can zero or not Yes Check AD COUNT value for instability replace machine board and repair interference exists or not Return to START No Check machine board or replace KEYBOARD Return to START No Replace machine board and repair Retu...

Page 8: ...d max weighing 9e 2 Too high or inaccurate calibrated COUNT value Cell sign 1 Insufficient cell voltage or cell failure 2 Main board fault Instable indication 1 The pan is interfered by any article 2 There is strong wind or vibration nearby 3 The cell voltage is insufficient 4 There is external electromagnetic interference Bad linearity 1 The pan is interfered by any article 2 Bad L C 2 3 Confirma...

Page 9: ...n in Y2 s output pin 2 5 Performance Inspection a Repetitiveness Put the weight of two thirds of the load on the pan for five times the indication difference between different times should be less than or equal to one division value b Unbalanced loading error Put the weight of one third of the load on the pan as shown in the figure Check if the figure is precise The indication difference between t...

Page 10: ...t model for example 1 50000 3 0000 6 0000 7 5000 15 0000 30 000 Press G N and the unit will display dIu 01 and enter accuracy selection Press UNIT to select from diu 01 1 30000 diu 02 1 15000 diu 03 1 6000 diu 04 1 3000 etc and then press G N to store the setting and return to the weighing mode Refer to Page 9 Refer to Page 17 Refer to Page 19 Refer to Page 10 Refer to Page 8 Change LOAD CELL Mode...

Page 11: ...ng mode press and hold down for 3s or press and release it till the unit is on will appear first and then a parameter value such as will appear accompanied by an auxiliary sign 2 Use or to select the parameter items as shown in the table below 3 Use or to select the values of parameters 4 When the setting is completed press to store the setting and return to the weighing mode ...

Page 12: ... upper and lower limits There will be an acoustic warning when the weight of the material is beyond the preset upper and lower limits and the weight is more than 20 divisions There will be an acoustic warning when the weight of the material is less than the preset lower limit and the weight is more than 20 divisions There will be an acoustic warning when the weight of the material exceeds the pres...

Page 13: ...No parity The parity can be odd or even P06 Backlight selection Backlight display will be on for the whole process No backlight display Backlight display will be on when the weight is greater than 9 divisions P07 Printing mode selection Manual printing Stable printing the next printing will be made only when the indication is returned to zero Continuous printing P08 Filter grade selection Worst vi...

Page 14: ...At a zero indication only when at least 4 divisions or above is put on the pan will a value be indicated At a zero indication only when at least 5 divisions or above is put on the pan will a value be indicated At a zero indication only when at least 6 divisions or above is put on the pan will a value be indicated P10 Factory initialized setting It is a factory set value P11 Unit setting The specif...

Page 15: ...lect the parameter P11 and press to enter the left picture with appearing on the lower left corner 2 Press to select the unit from g kg lb jin liang for the scale 3 Press to store the selection and switch to the setting of unit for use with appearing on the lower left corner 4 Press to switch the unit for use Press to select turn on or turn off of this unit ...

Page 16: ...aring on the lower left corner 6 Press and select YES the unit will be the previously used one when the scale is turned on or NO the unit will be a newly set one when the scale is turned on 7 Press to store the selection and return to the weighing mode Note If the unit setting is accessed from the parameter options or by Mode 2 press to store the selection and then press to return to the weighing ...

Page 17: ...ion If the sensor has a good linearity make the single point calibration directly 1 Press to turn on the unit and release the key when appears on the LCD the linear calibration mode is entered 2 Press to do the zero point calibration and wait for ON 0 to appear No weight is put on the pan at this time 3 Wait till ON 1 flickers on the LCD and put on the weight 1 3 of the full load For example 1 3 o...

Page 18: ...on PAGE 17 4 Wait till ON 2 flickers on the LCD and put on the weight 2 3 of the full load For example 2 3 of the weighing 30kg is 20kg 5 Wait till ON 3 flickers on the LCD and put on the weight of the full load 6 Wait till PASS appears Now take away the load from the pan 7 Press to return to the weighing mode ...

Page 19: ...ease the key when appears the single point calibration mode is entered 2 Press and wait till ZERO flickers Now make the single point calibration 3 Wait till a value appears and the most right digit flickers Press or to move the flicker right or left 4 Press or to alter the value 5 After the setting put a corresponding weight on the pan and press When the LCD flickers make the single point calibrat...

Page 20: ...ghing AB www vetek com JWL Service Manual May not be reproduced in any form without written permission PAGE 19 6 Wait till PASS appears Now take away the load from the pan 7 Press to return to the weighing mode ...

Page 21: ...e EEPROM or contact the service department E05 out ran Overload max weighing 9 divisions Take away the overload E07 E Lo Hi The upper limit set for the weight check is lower than the lower limit Press to correct the setting of HI LO E08 CK UNIT The unit set for the weight check is not the same as the current unit Close the weight check or re set the value of HI LO EU nit Interference between the a...

Page 22: ... realized After a three in one board is selected a setting should be made on the scale for time display if necessary 8 1 RTC function setting 1 Press for 3s till time display appears with on the lower left corner 2 Press or to switch to date month or year display Note For time date setting skip to Step 3 and for returning to the weighing mode press 3 Press to enter the setting for the current time...

Page 23: ...ment is made from right to left Now press or to increase or decrease the value Note You may press or to switch to the setting for date month or year 5 Press to complete the time setting and display the time date that is already set To return to the weighing mode press Note This time date setting should be made again when the scale is turned on next time if a three in one board is not selected for ...

Page 24: ...itten permission PAGE 23 8 2 Signal output pins of three in one board 8 3 Single option 8 3 1 Printer output Parameter setting 1 In weighing mode press for about 3s or press and release it when the scale is turned on will first appear and then a parameter value such as and also an auxiliary sign ...

Page 25: ...cluding 3 Follow Step 2 to select the parameter item P02 with the printing modes including 4 Follow Step 2 to select the parameter item P03 selecting the Baud rate of Wire connecting the scale and the printer Wire connecting ZEBRA Wire connecting SH 24 That is the commonly used 9male 25male RS232 connecting wire That is the commonly used 25male 25 male RS232 connecting wire You have to exchange by...

Page 26: ...GODEX That is the commonly used 9male 25male RS232 connecting wire That is the commonly used 9male 25male RS232 connecting wire 8 3 2 PC output Parameter setting 1 In weighing mode press for about 3s or press and release it when the scale is turned on will first appear and then a parameter value such as and also an auxiliary sign 2 Use or to select a parameter item such as PO7 Press or to ...

Page 27: ...p 2 to select the parameter item P03 selecting the Baud rate from 5 When the setting is completed press to store the setting and return to the weighing mode Wire connecting the scale and the PC How to use a PC to receive the weighing information 1 Use the connecting wire as shown in the following figure to connect the scale and the PC 2 Set the printing mode as continuous 3 Now the scale will outp...

Page 28: ...e bought Note The hollow dots represent that the connectors are male and the black dots female 8 3 3 Warning light connection for use Parameter setting of beeps for weight check 1 In weighing mode press for about 3s or press and release it when the scale is turned on will first appear and then a parameter value such as and also an auxiliary sign 2 Use or to select a parameter item such as PO1 Pres...

Page 29: ...ng mode press for 3s and the screen enters the state for digit entry Enter the value at the first zero on the right which flickers on the LCD 2 Press or to move the flickering cursor left or right to the digit where you want to enter a value 3 Press to increase the value or to decrease the value and select the weight value you want to enter 4 Repeat Steps 2 and 3 to complete the setting for the up...

Page 30: ...t Steps 2 3 and 4 to complete the setting for the lower limit For example 1 000kg Note you may directly press to store the lower limit value or directly skip to Step 6 6 Press to start or cancel the check 7 Press to return to the weighing mode If the triangle indicator for the upper or lower limit appears it is in the check mode Note Only when the lower limit the upper limit value can the check mo...

Page 31: ...is smaller than 1 000kg and greater than or equal to 20 divisions there will be an acoustic warning and the orange warning light will be on 1 When the material weight exceeds 10 000kg the red light will be on 2 When the material weight is smaller than or equal to 10 000kg and greater than or equal to 1 000kg there will be an acoustic warning and the green warning light will be on 3 When the materi...

Page 32: ...ins for the warning lights are connected to the 25 male socket Wire connecting the scale and the warning light Wire connecting the warning lights Picture That is the commonly used 25male and 25 female RS232 connecting wire Note The hollow dots represent the male connectors and the black dots female connectors 8 4 Two options ...

Page 33: ...ing the scale to the PC and the warning light Wire connecting the PC and the warning light Picture Note The hollow dots represent the male connectors and the black dots female connectors 8 4 2 Joint use of SH 24 printer output and warning light 8 4 2 1 The parameter setting is the same as specified in 8 3 1 and 8 3 3 8 4 2 2 Wire connecting the scale to the SH 24 printer and the warning light Wire...

Page 34: ... dots female connectors 8 4 3 Joint use of ZEBRA or other printers and warning light 8 4 3 1 The parameter setting is the same as specified in 8 3 1 and 8 3 3 8 4 3 2 Wire connecting the scale to a ZEBRA or other printers and the warning light Wire connecting the ZEBRA GODEX EZ BP 545D printer and the warning light Picture 8 5 RS 232 output format Baud Rate 2400 4800 9600 Data Bit 8 ...

Page 35: ...5 6 7 8 Start Bit Parity Stop Bit Data Format g N W g CR LF T W g CR LF G W g CR LF Weight Example N W 1000 0 g T W 500 4 g G W 1500 4 g kg N W k g CR LF T W k g CR LF G W k g CR LF Weight Example N W 1 0000 kg T W 0 4998 kg G W 1 4998 kg lb N W l b CR LF T W l b CR LF G W l b CR LF Weight Example N W 2 2050 lb T W 1 1020 lb G W 3 3070 lb Jin Taiwan N W G t l T CR LF T W G t l T CR LF ...

Page 36: ...permission PAGE 35 G W G t l T CR LF Weight Example N W 1 94 8 G tl T T W 0 13 2 G tl T G W 2 08 0 G tl T Jin Hong Kong N W G t l H CR LF T W G t l H CR LF G W G t l H CR LF Weight Example N W 1 94 4 G tl H T W 0 13 2 G tl H G W 2 07 6 G tl H PCS t o t a l CR LF p c s CR LF Example Total 50pcs 9 Others ...

Page 37: ...May not be reproduced in any form without written permission PAGE 36 9 1 Options Example of use of single option Option External device Output format AP0 RS232 RTC Relay PC AP1 RS232 RTC Relay BP 545D AP2 RS232 RTC Relay SH 24 AP3 RS232 RTC Relay ZEBRA ...

Page 38: ...reproduced in any form without written permission PAGE 37 AP4 RS232 RTC Relay Applicable to the quality control of the factory product quantity or weight and that of the total production line LED Light Tower AP5 RS232 RTC Relay GODEX EZ Examples of use of options ...

Page 39: ...ghing AB www vetek com JWL Service Manual May not be reproduced in any form without written permission PAGE 38 Option External device AP1 LED Light Tower or or or or PC SH 24 ZEBRA EZ BP 545D 10 Circuit Diagram ...

Page 40: ...RST BAT 5VD 5VA 5VD 5VA 5VA 5VD JWL V1 1 1 2 3 4 U5 CP12 0 1u G 5VD NC 1 CAP 2 GND 3 CAP 4 VOUT 5 LV 6 DSC 7 V 8 U11 7660 C35 220u EL C36 470u EL 5VD 5VD R 2 6 1 0 0 k C 3 1 2 Q8 A733 R25 22k C 1 2 CN7 EH BUZZER CP16 0 1u G 1 2 TP3 1 2 TP2 1 2 TP1 1 2 3 CN10 RTC 1 2 CAL R39 10K C R40 10K C R45 10K C Y1 11 059MHz R41 10K C P 4 2 1 P 1 0 2 P 1 1 3 P 1 2 4 P 1 3 5 P 1 4 6 P1 5 7 P1 6 8 P1 7 9 RST 10 ...

Page 41: ...54 33p C69 33p C70 33p C50 33p C53 33p C67 33p C68 33p C57 33p C56 33p C52 33p C51 33p C42 33p C43 33p C44 33p C55 33p C46 33p C47 33p C49 33p C48 33p C45 33p R58 4700Ω C R57 220Ω C CP19 0 1u G SEG7 1 SEG6 2 SEG5 3 SEG4 4 SEG3 5 SEG2 6 SEG1 7 SEG0 8 CS 9 RD 10 WR 11 DATA 12 Vss 13 OSC0 14 OSC1 15 VLCD 16 VDD 17 IRQ 18 BZ 19 BZ 20 COM0 21 COM1 22 COM2 23 COM3 24 SEG31 25 SEG30 26 SEG29 27 SEG28 28 ...