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4-7 CALIBRATION OF BUILT-IN WEIGHT (REF CAL)

- AJH TYPE -

・Following does not describe the procedure of ordinary span calibration.
・This is the procedure of Calibration of the built-in weight with AJH,

scales.

・It is necessary to adjust the linearity of the scale beforehand.

Refer to 4-6.

18

All manuals and user guides at all-guides.com

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Содержание AJ Series

Страница 1: ...AJ H Series Service Manual All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 2: ...JUSTMENT SEQUENCE FOR CASES 13 4 5 RESETTING ADDRESS DATA 14 4 6 LINEARITY ADJUSTMENT 16 4 7 CALIBRATION OF BUILT IN WEIGHT 18 SECTION 5 PARTS REPLACEMENT 5 1 HOW TO REMOVE THE CASE 20 5 2 HOW TO COVER THE CASE 21 5 3 SEQUENCE OF MECHANISM UNIT REPLACEMENT 22 5 4 SEQUENCE OF TUNING FORK SENSOR REPLACEMENT 25 5 5 SEQUENCE OF THE AJDP CIRCUIT BOARD REPLACEMENT 25 5 6 HOW TO REMOVE CALIBRATION WEIGHT...

Страница 3: ...1 SECTION 1 Total View 1 1 TOTAL VIEW OF AJ TYPE 220 1200g 1 2 TOTAL VIEW OF AJH TYPE 220 620g 2200g 4200g All manuals and user guides at all guides com ...

Страница 4: ...DC MECHANISM UNIT Tuning Fork ON OFF Memory Set Fun ctio n Zero Tare AC Adaptor RS232C Driver AJ LF C IRCU IT B OA RD AJIF CIRCUIT BOARD CN1 CN3 CN5 CN4 C a lib rat ion W e igh t U n it A JH o n ly ＡＪＨ uPD78P0308Y AJH only Lo ck Switch AJ AJH SECTION 2 ELECTRONIC CONSTRUCTION 2 All manuals and user guides at all guides com ...

Страница 5: ... OFF M e mo ry S et Fun ctio n Z ero T are Calibration Weight Unit AJH only CN５ CN４ CN３ CN１ CN2 T1 T2 T3 DJBT CN1 Battery Unit Option AJIF C IRCU IT BOARD CN１ AJLF CIRC UIT BOARD CN２ＡＪＨ AJH only Lo ck S witc h AJ AJH 3 All manuals and user guides at all guides com ...

Страница 6: ...3 1 TROUBLESHOOTING PROCEDURE SECTION 3 TROUBLESHOOTING 4 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 7: ...eck environment or working base Check also setting of stabilization time See page of operation manual n appears with a net load less than specified capacity F S 9d 1 Gross weight applied to the scale pan net weight tare value exceeds the scale capacity 2 Coefficient memories address data have changed by noises or static electricity Adjust linearity 3 Setting of address data has mistake 4 Calibrati...

Страница 8: ... appears 1 Address data related to determine the capacity has been destroyed Contact the shipper 2 AJDP board is defective b n appears 1 The calibration weight is less than 1 2 F S c n appears 1 The data error exceeds 0 4 Or perhaps the scale may be defective Contact the sipper 3 3 PRIMARY CHECKS 1 Is any wind around the site Is any oscillation Is the working table stable 2 Is anything under the p...

Страница 9: ...Pins of CN1 CN4 TP4 AND TP6 2 2 1 3 4 5 6 7 1 2 3 4 1 2 3 4 5 SHINKO TP1 TP0 TP2 TP3 TP4 TP6 CN1 CN2 CN3 CN4 CN5 1 Check of input voltage TP0 of CN1 8V 12V 2 Power voltage in the circuit TP0 of CN4 4 75V 5 25V 3 Check of signal waves 1 4 Check of signal waves 2 2 5V 0V 2 5V 3 5V P P TP0 TP6 TP0 TP4 0V 1 9 1 3msec 520Hz 780Hz AJDP TP5 1 1 2 3 7 All manuals and user guides at all guides com ...

Страница 10: ...libration is available with 1 2 of F S Nevertheless it is recommend to us weight closer to F S for accurate calibration 3 Error messages n The calibration weight is over the full capacity b n The calibration weight is less than 1 2 of the capacity c n The data error exceeds 1 Or perhaps the scale may be defective 8 All manuals and user guides at all guides com ...

Страница 11: ...2 AJH Type 9 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 12: ...ed 4 2 LOCK SWITCH For AJ H CE Type Set the lock switch to Locked before stamping or sealing so that the user is unable to change parameters or to calibrate the scale 10 All manuals and user guides at all guides com ...

Страница 13: ...the weighing pan on the mechanism Adjust the level Remove fixing screw on AJDP board and unplug connector with CN4 on AJDP board Adjust corner errors by adjusting bolts referring to following illustrations CAUTION Don t touch PCB with tools It may damage the PCB by shorting 4 3 1 AJ 220 1200 11 All manuals and user guides at all guides com ...

Страница 14: ...Corner adjusting bolt A Corner adjusting bolt B 4 3 2 AJ 2200 12K 12 All manuals and user guides at all guides com ...

Страница 15: ...sm unit 3 After replacement of Tuning fork sensor or plate See 4 5 See 4 6 1 Incase that address memories changed or lost by accidental noises or static electricity Or after replacement of AJDP circuit board 2 After replacement of weighing mechanism unit 3 After replacement of Tuning fork sensor or plate See 4 5 See 4 6 CASES CASES See 4 7 2 AJH Type See 4 3 See 4 3 13 All manuals and user guides ...

Страница 16: ...ome reasons such as by replacement of PCB or by noises or static electricity re set original data by following procedure 1 Location of Original Data Locate the original data sheet on the bottom After replacement of mechanism new data should cover the old one 14 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 17: ...3 How to call address mode How to re write address data M M 15 All manuals and user guides at all guides com ...

Страница 18: ...4 6 LINEARITY ADJUSTMENT 1 How to adjust Linearity 16 All manuals and user guides at all guides com ...

Страница 19: ...l of weights on the scale 2 Table Increasing Calibration Weight for Linearity Adjustment Please use the weight for F1 OIML R 111 or higher class to maintain the accuracy 17 All manuals and user guides at all guides com ...

Страница 20: ... does not describe the procedure of ordinary span calibration This is the procedure of Calibration of the built in weight with AJH scales It is necessary to adjust the linearity of the scale beforehand Refer to 4 6 18 All manuals and user guides at all guides com ...

Страница 21: ...ight determine the accuracy of the scale Use weights of higher accuracy than the scale 3 Adjust the level beforehand The REF CAL must be done in a good environment no wind no oscillation and no temperature changes 4 b n The reference weight is less than 1 2 of F S c n The data error exceeds 1 Adjust the linearity CAUTIONS 19 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 22: ...daptor Remove the pan and pan base 2 Remove case fixing screw with a screwdriver 3 Locate two hooks beneath the scale near to front Pull those two hooks toward you to lift the case up then shift the case to rear to release it from hooks 5 1 1 AJ 220 1200 20 All manuals and user guides at all guides com ...

Страница 23: ...hooks first then press the upper case gently until two front hooks are set securely 2 Drive in case fixing screw securely 3 Set pan base and then weighing pan on the scale 5 2 2 AJ 2200 12K 5 1 1 AJ 220 1200 1 Put the case on properly catching connection codes 2 Insert the case fixing screw with a screwdriver 2 places in the top an 1 place in the chassis 3 Install the pan base and put the weighing...

Страница 24: ...ng to 5 1 2 Remove four sensor cover fixing screw 3 Remove Wires to the Tuning fork sensor by welding solders at AJDP circuit board 4 Remove the AJDP circuit board fixing screw Soldered Sensor Cover Fixing Screws AJDP Circuit Board Fixing Screw 5 3 1 1 AJ 220 1200 22 All manuals and user guides at all guides com ...

Страница 25: ...olding at the chassis Mechanism Unit Fixing Screws 5 3 1 2 AJ 2200 12K 1 Remove the case referring to 5 1 2 Remove Wires to the Tuning fork sensor by welding solders at AJDP circuit board 3 Remove the AJDP circuit board fixing screw and AJDP circuit board Soldered AJDP Circuit Board Fixing Screws 23 All manuals and user guides at all guides com ...

Страница 26: ...ism on the chassis Fit it with fixing screws 2 Solder wires of the Tuning fork sensor to the AJDP circuit board 3 Cover the mechanism unite with the sensor cover Fit it with four fixing screw AJ 220 1200 Fix the Tuning fork sensor wire to hexagon pillar with cord band AJ 2200 12K 4 Cover the scale referring to 5 2 Black Earth Wire White Circuit Board Fixing Screw Tuning fork sensor wire 24 All man...

Страница 27: ...5 4 SEQUENCE OF TUNING FORK SENSOR REPLACEMENT 5 5 SEQUENCE OF THE AJDP CIRCUIT BOARD REPLACEMENT 25 All manuals and user guides at all guides com ...

Страница 28: ...r the scale referring to 5 2 5 5 1 How to Remove AJDP circuit board Black Earth Wire White Circuit Board Fixing Screw Tuning fork sensor wire 1 Remove the case referring to 5 1 2 Remove Wires to the Tuning fork sensor by welding solders at AJDP circuit board 3 Remove the AJDP circuit board fixing screw 4 Unplug connectors at CN1 CN4 and CN3 with AJH CE on AJDP board With battery option unplug CN5 ...

Страница 29: ...GHT UNIT 1 Remove the CN3 connector removing AJDP P C B in advance makes it easy to do it 2 Remove Cut the cord band 3 Unscrew at two points 5 6 1 AJ 220 1200 5 6 2 AJ 2200 12K Remove SW cord assy from AJDP circuit board CN3 27 All manuals and user guides at all guides com ...

Страница 30: ...ght Holder Fixing Screw Remove the side ring and disassemble the weight Fixing Screw Weight Fixing Screw Side Ring Remove the weight shaft from the mechanical main unit Weight Shaft 28 All manuals and user guides at all guides com ...

Страница 31: ... TO INSTALL CALIBRATION WEIGHT UNIT Follow the instruction in 5 6 by the opposite order Refer to the position for the installation below 29 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 32: ...ry cord to CN5 on AJDP board 3 Install AJ battery Holder Assy SECTION 6 INSTALLATION OPTIONS 4 Cover the scale and stick the battery label above power jack on the rear panel Battery label AJBT Assy AJDP board PARTS LIST 6 1 1 AJ 220 1200 30 All manuals and user guides at all guides com ...

Страница 33: ...JDP board 3 Fasten the AJM battery held together into the nylon clamp which has holed the cord of the AJMIF circuit board assy 6 1 2 AJ 2200 12K Nylon Clamp 4 Cover the scale and stick the battery label above power jack on the rear panel Battery label 31 All manuals and user guides at all guides com ...

Страница 34: ...32 SECTION 7 PARTS LIST 7 1 AJ 220 1200 3 51 2 3 1 1 1 2 3 5 6 7 8 All manuals and user guides at all guides com ...

Страница 35: ...33 All manuals and user guides at all guides com ...

Страница 36: ... 7 2 AJ 2200 12K 34 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 37: ...35 All manuals and user guides at all guides com ...

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