ISHIDA IWQ Series, Service Manual

Page 1: ...intenance or inspection unless you fully understand all contents Keep this manual in a safe place where you can refer to it easily while installing operating and carrying out maintenance or inspections Warning This manual is for use by service personnel of our company or qualified to perform maintenance services for this machine ...

Page 2: ... of life or serious injury if the instruction is not heeded Caution Indicates information that if not avoided could result in relatively serious or minor injury damage to the machine or faulty operation The word is used for a situation possibly resulting in relatively serious or minor injuries damage to the machine or faulty operation if the instruction is not heeded 2 Explanatory symbols Symbol M...

Page 3: ...ommand format 15 3 2 4 Output format 18 3 3 Test Mode 22 3 3 1 Start up and end of Test Mode 22 3 3 2 C1 Mode Country No Scale No and Span Adjustment 23 3 3 3 C2 Mode Key check 26 3 3 4 C3 Mode Display check 1 27 3 3 5 C4 Mode Display check 2 27 3 3 6 C5 Mode Program No display 28 3 3 7 C6 Mode E2ROM initialization Registration set data all 28 3 3 8 C7 Mode Individual setup of country specificatio...

Page 4: ...erns 42 4 2 1 Block diagram 42 4 2 2 Main board P 932 43 4 2 3 A D board P 933 44 4 2 4 I F board P 934 1 option 45 4 2 5 SW Power supply 47 Chapter 5 Maintenance 48 5 1 Periodical Replacement Parts 48 5 2 Replacing and Adjusting Load Cell 48 5 3 Troubleshooting 51 Chapter 6 Others Appendix 54 6 1 RS 232C Connecting Cables Optional 54 6 1 1 RS232C cable DSUB9Pin 54 6 1 2 RS232C cable DSUB25 Pin 54...

Page 5: ... Power source 100VAC 240VAC 50 60Hz Insured operation within range 85VAC 264VAC Rating voltage shall be specified within the above range for respective country Current consumption 100VAC 100mA 110 120VAC 90mA 220 240VAC 80mA Environmental conditions Ambient temperature 10 C to 40 C without condensation by rapid temperature change Waterproof class Conforming to IP 65 Display Figures Weighed value 3...

Page 6: ... Q IWQ 150 1 4 Appearance of Operation Panel Q Common to IWQ 150 and IWQ 30 European specification Display Display pole Weighing platter Level adjusting foot Rear of display Display fastening knob Bracket base Bracket Level indicator Display pole ...

Page 7: ...6 54 IWQ Series Service Manual Asian specification Chinese specification 重量 ...

Page 8: ...7 54 IWQ Series Service Manual Chapter 2 Installation Placement and Setup 2 1 Outer Dimensions Q IWQ 150 Unit mm Q IWQ 30 Unit mm ...

Page 9: ...ath is damaged the cable material may corrode and result in malfunctioning 1 Push the excess length of cable into the support column Push the excess cable Bracket base Projection A Display pole into the pole 2 Put the display pole vertically along the bracket base side in the way of inserting the cell cable outlet into the projection A above figure Bracket base Display pole 3 Fasten the bracket te...

Page 10: ...ue circle Bubble 5 Insert the power plug of the scale to the power supply outlet only when ensuring that the voltage is within 100VAC to 240VAC at the outlet using the volt meter Note This product is live while the power plug is inserted in the outlet Caution The product may be damaged if the applied power voltage is outside the rated range 6 1 Push the ON OFF key on the operation panel for displa...

Page 11: ...e Consecutive slip F9 RS232C selecting transmission speed F10 RS232C selecting output format transmitted message F11 RS232C selecting output method no output F12 RS232C selecting output conditions F13 Selecting contact output signal F14 Selecting contact input F15 Selecting conditions for loud buzzer OP F16 Selecting conditions for internal buzzer standard Setup Mode Caution Printer is connected t...

Page 12: ...date DATE and 000000 are displayed when power is turned ON Input the date in 6 digits and press the PCS key When NO is set for printer output input date is not displayed F5 Printing preset No 0 NO 1 YES F6 Printing tare weight upper lower limits 0 NO 1 YES F7 Printing serial No 0 NO 1 YES F8 Selecting slip type single consecutive 0 Single slip 1 Consecutive slip Single slip Feeds 6 lines after pri...

Page 13: ...eturn When Send out in discharge is set the O8 command is not available When manual printing is set key input is determined to be error for a unstable state Functions when selecting 2 output conditions for F11 Within range means the range between upper and lower limit values Range disregarded means free from the range between upper and lower limit values even if they are set Applicable to either w...

Page 14: ...r Accept condition when scale stable 15 Outside range when scale stable Buzzer ON normally OFF Buzzer ON normally OFF Buzzer ON normally OFF Buzzer ON normally OFF Buzzer ON normally OFF Buzzer ON normally OFF Buzzer ON normally OFF Buzzer ON normally OFF Buzzer OFF normally ON Buzzer OFF normally ON Buzzer OFF normally ON Buzzer OFF normally ON Buzzer OFF normally ON Buzzer OFF normally ON Buzzer...

Page 15: ...t number display 2 Selecting items F1 to F16 Select one of the three methods 1 Proceed in the right direction TARE or CALL Changing successively in the F1 F2 F3 order 2 Proceed in the reverse direction TARE SET Changing successively in the F1 F16 F15 order 3 Input item number and call up Input item number s then press CALL Displaying the set item Set data display Input number display 3 Setting dat...

Page 16: ...mand receipts are prohibited until the first command is responded to fully the second command will not be received Except for Normal Mode Setup Mode Registration Mode Tare Weight Setup Mode etc a command is only received and executed responded after returning to Normal Mode 2 Response When a function execution command is received an affirmative response ACK is output after normally execution Alter...

Page 17: ...minator Function Calling up presets Character P No CR LF Code 50H 0DH 0AH Preset No 0 to 9 30H 39H and 10 40H Response text Affirmative response Command Character ACK Condition Normally executed in 1 second Code 06H Timing At command execution completion Negative response Command Character NAK Code 15H Condition Outside the range for command execution Not executed within 1 second Having received a...

Page 18: ...H 0DH 0AH Response text Affirmative response data output Condition Normally executed in 1 second O8 command Data output conditions meet O9 command Preset output message Timing At completing command execution Negative response Command Character NAK Code 15H Condition Outside the range for scale operation No output within 1 second for O8 command Having received an invalid text Having received an inv...

Page 19: ...R 小計重量の最大値 9999999 小数点位置はひょう量で固定 LF 10H LF 最大値を超えた際 自動的に小計印字の後 その印字を行う ｽﾍﾟｰｽ 20H 不安定時 重量値が３ｅ以下またはｵｰﾊﾞｰｽｹｰﾙ時は出力しない その他 そのまま 垂れ流しまたは入力ｺﾏﾝﾄﾞ時出力の設定の場合を除く 個数が０の場合でも 重量条件一致で出力する 国内仕様 国ｺｰﾄﾞ10 では PT の印字なし 代わりに T 印字 単重変更時 自動的に小計印字を行う Date printing With Power ON or after Sum up calculation prints for the initial printing condition Except when the date registration is not fulfilled Weight print less than the...

Page 20: ...ting for sub total if exceeding the maximum Maximum weight for sub total 9999999 decimal point position to be fixed according to the weighing capacity Prints after automatic printing for sub total if exceeding the maximum Shall not output when weight value is not over 3e or over the scale in unstable state Except for send out in discharge or output set for input command With Japanese specification...

Page 21: ...le E 45H Weight value is over the scale or error kg 6BH 67H kg g 20H 67H g lb 6CH 62H oz oz 6FH 7AH oz ps 70H 73H pcs CR 0DH LF 0AH Character Volume in byte Polarity Weight value Quantity number Unit State of scale Excess Appropriate short CR LF 1 7 2 1 1 1 1 18 bytes Output with floating point Decimal point is fixed 2EH 2BH Weight positive 2DH Weight negative H 48H Weight exceeding upper limit G ...

Page 22: ...cale or error STX 02H ETX 03H Preset Number 4 STX 1 Upper limit 6 Lower limit 6 Ex ponent 2 Ex ponent 2 Character Volume in byte Pola rity Weight value Quantity number State of scale Ex ponent ETX 1 6 1 2 1 40 bytes 30H Weight value is positive 31H Weight value is negative Indicates decimal point position For example weight value 12345 is to read 01 12345 6 02 1234 56 05 1 23456 30H Weight value i...

Page 23: ...y specifications and weighing conditions C8 Reading out E2ROM data Can not change data C9 Board inspection at factory A D check I F check Note For the final operation of C1 C6 and C7 writing in E2ROM peel the seal and press the memory switch 3 3 1 Start up and end of Test Mode Operation Display 1 Start up procedure Press ON OFF key at Scale OFF and immediately during the time the buzzer is soundin...

Page 24: ... the set do not input but press the TARE key and proceed to the next setup Country number 3 Setup of Scale No When changing the set press TARE key input Scale No and fix it by pressing TARE key 0 Switching among 150kg multiple range counting When not changing the set do not input but press TARE key and proceed to the next setup Weighing capacity Scale No 4 Span adjustment Press the TARE key to ent...

Page 25: ...her key functions When adjusting the span to the positive side press the CHG key for necessary times When adjusting the span to the negative side press the OVER key for the required number of times To look at A D converter internal data press the CALL key Press CALL again to return to the normal A D converter data The internal data obtained by this operation is solely for designer verification and...

Page 26: ... IWQ Series Service Manual Memory switch Remove 10 screws fastening the display case the seal on the back of the case and the seal screws The memory switch is located on the main board P 932 2 as illustrated ...

Page 27: ... data 2 How to check Press the key to be checked Displays the key data with a beeping sound Example Press the CALL key Key data Keys and key data Key Key data Key Key data Key Key data ZERO 2 OVER 9 3 16 TARE 3 4 10 CLR 17 TARE SET 4 5 11 0 18 CHG 5 6 12 19 7 6 UNDER 13 CALL 20 8 7 1 14 9 8 2 15 3 How to end key check Press the ON OFF key In the OFF state ...

Page 28: ...ents successively from a to g The illustration is omitted 2 Ending display check 1 Press the UNDER key 3 3 5 C4 Mode Display check 2 Check that every segment lights up by checking each fluorescent indictor tubes to light Short circuit between digits is visible Operation Display 1 C4 Mode setup Press the ten key 4 and confirm it by pressing the TARE key Set data Input data Check digits successively...

Page 29: ...ce RAM clear o k 3 Complete Initialization registration setup scale data For execution press the memory switch on the main board Then buzzer sounds Reference Reference For the memory switch location refer to span adjustment at page 27 EEPROM clear o k U Data after initialization 4 Country number 10 Japan 5 Weighing capacity No 20 150kg 6 Weight span data Approximate value Note Be sure to perform s...

Page 30: ...ey backward Address A indicates higher 4 bits of 1 byte data and address B indicates lower 4 bits Changing data CALL key forward PCS key backward Note This data can not be changed nor looked into for maintenance service Address A or B Data 3 Ending C7 Mode Press the UNDER key 3 3 9 C8 Mode E2ROM data readout Operation Display 1 C8 Mode setup Press the ten key 8 and confirm it by pressing the TARE ...

Page 31: ...e ten key 9 and confirm it by pressing the TARE key A D converter count value 2 A D flickering check for factory inspection Press the TARE SET key When stable When unstable 3 I F check for factory inspection Requires an inspection tool connector Press the CLR key to return to C9 Mode Press the TARE key Error if not using the tool ...

Page 32: ... Tare deduction by input value 0 0 0 0 0 0 0 0 0 0 0 2 Zero tracking function 0 0 0 0 0 0 0 0 0 0 0 4 Micro weight follow up 0 0 0 0 0 0 0 0 0 0 4 8 Unstable range 0 0 0 0 0 0 0 0 0 0 0 B 1 Number of PLU 0 0 0 0 0 0 0 0 1 1 1 2 Counting function 0 0 0 0 0 0 0 0 2 2 2 4 Reserve 0 4 4 4 4 4 4 4 4 4 4 8 Reserve 0 0 0 0 0 0 0 0 0 0 0 Individual setting for 99 cannot be inputted Displayed only when cha...

Page 33: ...nge Counting switching 8 2 8 6 15 30kg 0 01kg 1 3000 Single range Counting switching 8 2 8 2 16 15kg 0 005kg 1 3000 Single range Counting switching 8 2 8 B 17 6kg 0 002kg 1 3000 Single range Counting switching 8 2 8 7 18 6000g 2g 1 3000 Single range Counting switching 8 A 8 4 19 3000g 1g 1 3000 Single range Counting switching 8 A 8 0 20 150kg 60kg 0 05kg 0 02kg Dual range 8 5 C 6 21 60kg 30kg 0 02...

Page 34: ...6 24 digits printing bit2 Selecting date printing function bit3 0 1 F1 0 1 F2 0 1 F3 0 1 F4 102B Selecting preset No printing function bit4 Selecting singe consecutive chit print bit5 Selecting tare weight printing function bit6 Selecting upper lower limit values printing function bit7 0 1 F5 0 1 F6 0 1 F7 0 1 F8 103A Portrait setup bit0 3 0 16 F9 103B Output message specifications bit4 7 0 16 F10...

Page 35: ...ry code list 0 15 10 Japan 116B Reserve 117 Reserve 118 120 A D zero point data adref 24 bits 121 123 A D calibration data adwidth 24 bits 124 Weighing capacity setup refer to weighing capacity setup table 0 99 20 150kg double scale 125A Area code refer to area code table 0 15 1 16 areas 125B Span adjusted flag 5H or others 5H OK others Error 126 127 No 100 113 checksum ...

Page 36: ...2 Single Range checker counting mode maintained 3 1 3000 Multi Interval checker counting mode maintained 4 Single Range bathroom scale specifications 5 1 3000 Multi Interval A B range switching 6 Single Range lb kg switching 7 1 3000 Multi Interval lb kg switching Except for 2 and 3 the mode not maintained by the CHG key 111A 8 1 Weight unit applicable only to the trans mission function 111A 111B ...

Page 37: ...ication 0 _____ 4 Negative value 8 Decimal point indicator 0 8 114B 1 Over scale range 0 Indication up to 9e 1 Indication up to 3e 2 Tare deduction 0 Possible 2 Not possible 4 Clearing tare weight by pressing ZERO key 0 No 4 Yes 8 Zero suppress function at multi interval spec 0 Available 4 Not available 115A 1 Input value preset tare weight deduction and preset unit weight function 0 Available 8 N...

Page 38: ...Load cell round terminal fixture Gray Yellow Green 3 hole plate Cell cord terminal board 2 hole plate Load cell cord Power cord Power supply Contact board connector Load cell cord terminals RS 232C Connector C Load cell round terminal fixture A cell cord P 933 Cell cord terminal board Power supply Connector Key sheet Main PCB P 932 R RED W White G Green B Blue P 932 Main PCB ...

Page 39: ...1 2 Scale section IWQ 30 Platter support 4 cornor limit screw x 4 Weighing platter Shock absorbing sheet Level unit Lens Bracket base Bushing Level adjustment foot Bottom cover Base Lower limit screw Load cell AT 50 IWQ 30 Scale Section ...

Page 40: ...Manual IWQ 150 Platter support Weighing platter Spacer Load cell AT 200 Lower limit screw Shock absorbing sheet Level unit Lens Base Bracket base Level adjustment foot 4 corner limit screw x 4 Bottom Cover IWQ 150 Scale Section ...

Page 41: ... Load Cell AT 50 IWQ 30 Butyl rubber Strain gage Silicon coat Water proof lock Bushing Load cell cable 3m Aluminum frame Load cell AT 200 IWQ 150 Butyl rubber Strain gage Silicon coat Water proof lock Bushing Load cell cable 3m Aluminum frame ...

Page 42: ...41 54 IWQ Series Service Manual 4 1 3 Display pole section Display angle adjusting knob Display pole Cell cable cell cord Bracket Parts in the same package ...

Page 43: ...zzer Functional grounding RS 232C input output journal printer loud buzzer I F board P 934 1 Option Photo coupler circuit EH7 XJ4 A D board P 933 PM5 08 4 90 Terminals Functional grounding Protective grounding Protective grounding Water proof lock Load cell Water proof lock Functional grounding SW power supply Power supply switching Front case Rear case AC Power ...

Page 44: ...4 1 IN1 1 6 NC NC 2 OUT4 2 7 RESET NC 3 OUT3 3 8 VPP NC 4 OUT2 4 9 GND NC 5 OUT1 5 10 VCC 10 3 Connector XJ2 NC Non connection Directly mounted connector for connecting with AD board P 933 PIN No Signal code to P 933 PIN No Signal code to P 933 1 VCC 1 10 XIN 10 2 GND 2 11 ASWF2 11 3 VEX 3 12 ASWR2 12 4 CE 4 13 ASWF1 13 5 DRDY 5 14 ASWR1 14 6 SD0 6 15 NC NC 7 SCLK 7 16 NC NC 8 SD1 8 17 AIN NC 9 ST...

Page 45: ... 1 Major parts Amplifier circuit LC8000 A D converter AD7714YR 2 Connector XJ1 Used for direct connection with the main board Reference Reference Refer to connector XJ2 of the main board for PIN No and signal code 3 Connector XJ2 Load cell connecting terminal with screws Tools 2 5 mm Phillips screwdriver or flatblade screwdriver for adjustment Soldering side Terminal No Signal code Wire color Cont...

Page 46: ...not mounted 3 Connector XJ3 Used for direct connection with the main board Reference Reference Refer to connector XJ1 of the main board for PIN No and signal code Parts side 4 Connector XJ4 PINNo Signal code Wire color Operational function to HR12 8P 1 OUT1 Orange 1 2 OUT2 Orange 2 3 OUT3 Orange 3 4 OUT4 Orange Output selected at relay output setup in Setup Mode F13 4 5 COM Orange Output common 5 ...

Page 47: ...46 54 IWQ Series Service Manual Circuit diagram I F board P 934 Main board P 932 Main board P 932 Relay box output connector ...

Page 48: ...own 100VAC 240VAC 2 NC 3 AC Input Light blue 100VAC 240VAC 4 NC 5 Ground Gray Terminal B 6 Ground Yellow Green Terminal C VH connector Cord Plug KP 610 BS type Fastener Outer shape of power plug varies according to country 2 Connector CN2 A PIN No Signal code Wire color B to main board XJ3 1 GND Red 1 2 GND Red 2 3 5V Red 3 4 5V Red 4 Fastener PH Connector 4P JST XH Connector 4P JST 1 5 CN1 4 1 CN...

Page 49: ...ice the airtight quality of the gasket packing decreases Replace with a new gasket packing Gasket seal washer Rear cover Gasket packing Front case Sealing screw Seal 5 2 Replacing and Adjusting Load Cell Specifications Type Model code Rated output Input resistance Output resistance Insulation resistance IWQ 150 LC AT 200 2 3mV V 15 2000 2600Ω 2000 2600Ω 10GΩ IWQ 30 LC AT 50 2 3mV V 15 2000 2600Ω 2...

Page 50: ...flat washers for lower limit bolts 1 Pull out the power plug from the power outlet 2 Remove the weighing platter Figure is omitted 3 Remove the shock absorbing sheet stuck on the weighing platter Figure is omitted 4 Remove the hexagon socket head bolts A and remove the weighing platter and spacer IWQ 150 only 5 Remove the hexagon socket head bolts B then remove the spacer IWQ 150 only and the load...

Page 51: ...d value s in the following table loosen the hexagon nut s and turn the four corner limit bolt s to adjust the gap Fasten the hexagon headed bolt s after adjustment is complete Model Four corner limit forward mm Four corner limit backward mm Remarks IWQ 150 4 5 5 0 IWQ 30 2 0 2 5 Platter support Four corner limit bolt M5 x 30mm Hexagon nut M5 Four corner limit backward Four corner limit bolt M5 x 3...

Page 52: ...recovered repair or replace the main board 3 Test Mode C displays when pressing ON OFF key 1 Scale data is in the initialization state Span adjustment 1 A D value is outside the start range or unstable AD initial value drifts Defect in load cell Remove item from on the weighing platter Check and adjust A D value Perform Test Mode C1 and if unstable replace A D board and load cell in the order If o...

Page 53: ... main board fits with key sheet 6 Not responding or a hard to operate key 3 Defect in main board Replace the main board 7 Display trouble such as no lighting or double lighting for a digit or segment 1 Defect in main board Replace the main board RS 232C journal printer in linked operation Optional Phenomenon Cause Measure Confirm that power is ON Confirm that the cable is connected Confirm that it...

Page 54: ...n 1 No output OUT1 OUT4 or incorrect operation Contact input IN1 is not operating either 3 Board related defect Replace the I F board Replace the main board Loud buzzer Optional Phenomenon Cause Measure Check set value of Setup Mode F15 1 Incorrect setup Reference Reference Refer to the Setup Mode list 2 Insufficient conductivity at contact Check the XJ4 connector and harness C2 RS232C for contact...

Page 55: ... Green 2 5 SG Black 5 6 RTS CTS Orange 7 7 8 jumper wire RTS CTS Orange 8 7 8 jumper wire Terminal C Shield wire Shield wire Connected at the shell 6 1 2 RS232C cable DSUB25 Pin PH connector 6p JST D SUB connector 25p HRS Harness C2 RS 232C L 250mm Part No 79 1314 02 L 3000mm Part No 79 1315 06 A PH connector PIN No Signal code Wire color B D SUB 25 PIN No 1 BUZ 2 DTR White 6 3 RXD Red 2 4 TXD Gre...