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µR20000 Service Manual

1. 8 T 1 STD 6DOT SCANNER BOARD 1 gt STD B8801SD MOTHER BOARD Las L1g0 ISO SCANNER BOARD 1131 9 6DOT B8801SE B8803WB Bee 2 15 12007 a 1 STD 6DOT SCANNER BOARD 2 ze B8803SB 5 B8801SD 18DOT mee B8803VC Iso 16DOT ISO SCANNER BOARD 2 1 24 B8801SE i ag DLO STD 6DOT SCANNER BOARD 3 _________ _ 1C 150 ISO 6DOT ISO SCANNER BOARD 3 Ziq MOTHER BOARD B8801SE 6DOT ISO Pan anna lt B8803WC u STD SCANNER BOARD 4 12por ISO 2 8880150 918 5 Ud 1 31 150 IGDOT ISO SCANNER BOARD 4 2 159 B8801SE B8803VD C LS 24DOT ISO DOT INPUT TERMINAL BOARD B8803SD no nae B8801SG SCREW STD 559035 N B8801SH SCREW ISO BOARD 8880157 CLAMP 0 0 TERMINAL ASSY B8801CW SCREW STD 218 6Dot Iso B8801CX SCREW ISO iB B8801CY CLAMP TT Mother 3880156 506 STD T 2 RIC IBBB0ISH SCREW 250 tan BOARD 2 888015 9 different 880050 M ILS ASSY MIS
2. Select using the WA key You can hold down the SHIFT key while pressing WA key to reverse the key s action SM 04P02B01 01E 3 15 3 4 Test Procedures Ink Bleed Dot Model Overscale Amount Procedures 1 Turn ON the power switch while pressing the CMENU and keys Menu A D Adjust is displayed 2 Select Menu Test and press the lt key 3 Choose Test Print and press the lt key 4 Select Menu Ribbon and press the lt key Printing of six color test patterns begins Confirm that the printed colors did not bleed 269545544 Purple P Blac Select using the WA key You can hold down the SHIFT key while pressing WA key to reverse the key s action Overview Pen Model Check the accuracy of all pens Use standard pens or equivalent A standard is one whose tip does not fluctuate more than 0 1 mm Dot Model Check an arbitrary channel Recorder Settings Set the input to the 2 V range and 2 000 V to 2 000 V 9 Procedures Input each value and record Confirm that the recording position meets the criterion below Criteria Input Value Criteria Relay Contact Output 2 3 V That it was 0 5 mm or more on the left side relative to the Zero recording position 2 3 V That it was 0 5 mm or more on the right side relative to the Full
3. 6 5 L 9 Ji 1 1 IB8800MA from to MP B8802GA OR B8802GB 1PEN 2 85422 OR NO IB8800NA f rom NA to NP _ 082 ETHER SERVO TO PCB ASSY PCB ASSY Q DRIVER BOARD 5 COBEN 1 88005 5422 OR NO 118880057 5 8025 1 880050 11 RS422 AND NO REMOTE To ENCORDER _ L CMI 12222222 CNI 1PEN pc 1 CN aa T OPTION MOTHER TO MOTOR TO MOTOR 22 888036 ___ Henz I 1 I Z ASSY COMMUNICATION 1 RS232 le tO DRIVER BOARD 8 eee S B8802WA BOARD EXTENDED 8 SlB8802sx N B8800SN CARD ro INPUT TERMINAL RS422 A 485
4. 3 15 3 16 3 16 Relay Contact Output ne ben sa Ws Beetles 3 16 Remote Control Inputs x de NR p PERO aet ai cs 3 17 Loop Back Test Ethernet Communication Interface 7 3 18 Z Fold Chart Paper End Detection Wo oWoWooW W eene 3 18 Other Functions in Test Mode oooo o oWoWo mo Wo WWW nennen nnne nnn 3 18 SM 04P02B01 01E Contents Chapter 4 Adjustments Chapter 5 Chapter 6 Chapter 7 41 Before Making Adjustments U oom momen 4 1 Environmerit naas mean 4 1 Operations on the Main Unit 4 1 Preparation i ord cocer Wa dede eco cte 4 1 4 2 Adjustments to the Pen Model 4 2 Adjusting the A D Converters ocoooo Wo WWW mmm nennen nennen nennen entere ns 4 2 Adjusting the Pen Speed 4 4 Adjusting the Pen Position ooooo 4 5 4 3 Adjustments to the Dot 4 7 Adjusting the A D Converters nennen nene 4 7 Adjusting the Ink ien mang
5. 7 8 Pen Servo Assembly 8 802 1 9 7 10 7 5 Disassembly Procedure Dot Model 2 7 14 Ribbon Feed Motor B9906GL 7 14 Ribbon Feed Gear B9906GN B9901HM 9901 7 14 Carriage Assembly B8803BB oooooocooWooWoW oo WWW mma 7 16 B9901EY e beer e ge oa Sauna 7 16 Carriage Motor B9906FX 7 18 Ribbon Shift Motor Ribbon Swing Motor B9906FS 7 19 Ribbon Shift Gear Box Ribbon Swing Gear Assembly B8803BS 7 19 vi SM 04P02B01 01E Chapter 1 Principles of Operation 1 1 Principles of Operation The following explains the principles of operation of the uR20000 Block Diagram Block Diagram Pen Model Input terminal A D converter CPU Pen servo pens 1 and 2 Pen servo pens 3 and 4 Scanner Plotter Chart end detection F1 Power supply Block Diagram Dot Model Input terminal A D converter CPU Chart paper feed motor Display Panel keys Dot printing mechanism Scanner Chart paper feed motor Power supply For connecting the measurement input signal wires The terminals can be used for DC voltage thermocouple resistance temperature measurement and contact in
6. gt 58 zz 8 2 o 5242 o 4965 21088 o G 5 gt O lt gt 20E 00C0L Screw V9405L8 Screw Y9410LE 4 1 11 12 Note CMP SM 04P02B01 01E 6 2 6 1 Customer Maintenance Parts List Pen Model Case and Door Assembly Qty 55885 ONINI NIA Item PartNo 3 Description 1 B8802BA 1111 Door Assembly select B8802BB 1111 Door Assembly H3 2 B8802BK 1111111 Case Assembly 3 B8802BL 1111111 Case Assembly 4 B8802BQ 1111111 Case Gasket 5 B8802BZ 1111111 Screw 6 B9905CL 1111111 Boss 7 B9905DL 1111111 Stay 8 E9660JF 1111 Spring 9 B9905CP 1111111 Boss 10 Y9300ET 1111111 Retainer 11 E9655KH 1111111 Spring 12 B8802AE 1 1Pen TAG Assembly B8802AF 1 2Pen TAG Assembly B8802AG 1 3Pen TAG Assembly select B8802AH 1 4Pen TAG Assembly Note CMP SM 04P02B01 01E 6 3 15171 SMEG e2ueuojure y I8LI0 5 6 1 Customer Maintenance Parts List Pen Model Chart Cassette and Display Assembly Item Part No Qty Description Item Part No Qty Description 1 B8802CA 1 Display Assembly 20 B9905EA 1 Chart Cassette Assembly 2 B8800CR 2 LED Assembly 21 Y9400ET 1 Retainer E 3 B8802DF 1 VFD Holder 22 B9905EK 1 Latch 4 Y9308LB 1 Screw 23 B9905AZ 1 Shaft 5 B8802DG 3 Spring 24 B9905FS 1 Front C
7. Note The shaded area is not covered by this service manual 3 6 SM 04P02B01 01E 3 3 Performance Tests Tests The following is a list of the tests of the 20000 Insulation Resistance Protective Grounding Withstand Voltage Measurement Accuracy Channel to Channel Error Burnout Detection Reference Junction Compensation Accuracy Display Key Power Supply Frequency Detection Battery Backup Recording Accuracy Z Fold Chart Paper Feed Accuracy Dead Band Pen Model Pen Offset Pen Model Ink Bleed Dot Model Overscale Amount Relay Contact Output Remote Control Input Loop Back Test Z Fold Chart End Detection Other Functions in Test Mode SM 04P02B01 01E 3 7 3 4 Test Procedures Insulation Resistance Procedures Perform a measurement with an insulation tester and check whether the results meet the criteria Perform the measurement with the power switch turned ON Criteria Terminals Measured Criteria Condition Between the power and earth terminals 100 MQ or more Short the L and N terminals Between the input and earth terminals 100 MQ or more Short all input terminals Between input terminals 100 MQ or more Short the odd and even channels of the A and b terminals and measure between odd and even channels Between the relay contact output 100 MQ or more terminals and earth terminals With the A1 A2 A3 A4
8. Basic Setting Mode This mode is for setting up the thermocouple burnout function action of alarm output relays and other of the recorder s basic specifications To enter this basic setting mode hold down the key and the key for three seconds or longer while in setting mode In this mode the functions of the keys are those printed above the keys in characters and symbols To exit basic setting mode display Basic End then press the lt key Choose Store or Abort in the End screen and press the lt key If you choose Store the settings are applied and the instrument returns to operation mode If you choose Abort the settings are canceled and the instrument returns to operation mode Note For operating procedures in setting mode and basic setting mode see the uR20000 Recorder User s Manual IM04P02B01 01E Test Adjustment Mode The mode in which the instrument is adjusted and tested Enter this mode by pressing the CMENU J and keys while turning ON the power The Test Adjustment Mode menu is displayed In this mode the functions of the keys are those printed above the keys in characters and symbols To return to operation mode display Menu End then press the lt key The following shows the structure of Test Adjustment Mode The shaded area is not covered by this service manual CAUTION Do not enter settings in Test Adjustment Mode that are not specified by this manual Changing the se
9. w SM 04P02B01 01E Note 6 18 6 2 Customer Maintenance Parts List Dot Model 22 Frame and Chart Motor Assembly Item Part Qty Description 1 B8803SA 1 Dot Driver PCB 2 B9906RX 1 Shift Sensor Assembly 3 B9905PZ 1 FPC Clamp 4 B9905HT 2 Screw 5 Y9401CB 2 Nut M4 6 B8803BR 1 Ribbon Swing Assembly 7 B8803BS 1 Ribbon Swing Gear Assembly 8 B9906FS 1 Motor Assembly 9 B9905HK 2 Hinge Assembly 10 Y9405LB 4 Screw M4x5 11 B9905HQ 1 Plate 12 Y9305LB 2 Screw M3x5 13 B9905HS 5 Pin 14 B9905GW 1 Bracket 15 B9905GS 1 Motor Assembly 16 B9988DL 1 Tapping Screw 17 B9905GQ 1 Shaft 18 B9905GP 1 Shaft 19 B9905GM 2 Gear 20 B9905GN 1 Gear 21 B9905GF 1 Chart Feed Gear Assembly Note 22 B8802DR 1 CPU DR Joint FPC CMP SM 04P02B01 01E 6 19 15171 SMEG e2ueuojure y I8LI0 5 6 2 Customer Maintenance Parts List Dot Model Frame and Carriage Assembly 1 2 SM 04P02B01 01E 6 20 6 2 Customer Maintenance Parts List Dot Model Frame and Carriage Assembly 2 2 Qty es 2 09 co Item Part 99955 Description 1 B8803BG 1111 Motor Bracket Assembly 2 B8803BH 1111111 Motor Bracket 3 B9906FJ 11111 Shaft 4 B9906FK 1111 Spring 5 Y9401WB 2121212 Washer 6 B9988
10. gt wis 9 1 sis vj A lt M 6 24 SM 04P02B01 01E 6 2 Customer Maintenance Parts List Dot Model Terminal Assembly 2 5 Item Part No Qty Description 1 8800 1 Option Terminal Assembly 1 73 B8800MB 1 Option Terminal Assembly 2 74 B8800MC 1 Option Terminal Assembly 3 15 16 17 18 75 86 87 88 89 B8800MD 1 Option Terminal Assembly 4 B8800ME 1 Option Terminal Assembly 5 76 B8800MF 1 Option Terminal Assembly 6 77 B8800MG 1 Option Terminal Assembly 7 78 B8800MH 1 Option Terminal Assembly 8 79 B8800MJ 1 Option Terminal Assembly 9 80 B8800MK 1 Option Terminal Assembly 10 19 20 21 22 81 90 91 92 93 B8800ML 1 Option Terminal Assembly 11 82 B8800MM 1 Option Terminal Assembly 12 83 B8800MN 1 Option Terminal Assembly 13 84 B8800MP 1 Option Terminal Assembly 14 85 B8800NA 1 Option Terminal Assembly 23 select B8800NB 1 Option Terminal Assembly 24 pedcs B8800NC 1 Option Terminal Assembly 25 37 38 39 40 B8800ND 1 Option Terminal Assembly 26 B8800NE 1 Option Terminal Assembly 27 B8800NF 1 Option Terminal Assembly 28 B8800NG 1 Option Terminal Assembly 29 B8800NH 1 Option Terminal Assembly 30 B8800NJ 1 Option Terminal Assembly 31 B8800NK 1 Option Terminal Assembly 32 41 42 43 44 B8800NL 1 Option Terminal Assembly 33 B8800NM 1 Option Terminal Assembly 34 B8800NN 1 Opti
11. Procedure The following explains the procedure when working with channel 1 1 Press the and keys while turning ON the power Menu A D Adjust is displayed 2 With Menu A D Adjust is displayed press the lt key Menu A D Adjust 3 Input the password see page 3 5 Password 4 Select Mode Cal Exec then press the lt key Mode Cal Exec 5 Select A D No 1 then press the lt key For channel 3 select A D No 2 A D No 1 6 Select Range 20 mVZ Range 20mVZ 7 Enter the zero value for the 20 mV range then press the lt key After measurement the adjusted value is displayed Range 20mVZ Zero 200 8 Press the lt key You are returned to the A D No screen 9 Leave the A D No unchanged then press the lt key A D No 1 10 Select Range 20 mVF then press the lt key Range 20mVF 11 Enter the Full value for the 20 mV range on channel 1 then press the lt key After measurement the adjusted value is displayed Range 20mVF Full 32768 12 Repeat steps 5 to 11 to adjust the following ranges 60 mV 200 mV 1 V 2 V 6 V 20 V Pt100 Cu10 with the N1 option Saving Adjusted Values 13 When all adjustments are finished select Mode End then press the lt key Mode End 14 Select A D No 1 then press the lt gt key You can select an A D No of 1 2 or 1 2 The adjusted value is saved on the AD converter of the selected number A D No 1
12. The adjustment matches the Zero position to the 0 position of the z fold chart paper It also aligns the Full position from the 0 of the z fold chart paper to the 180 mm position For measurement use a Glass scale or equivalent Criterion Adjustment criterion 0 1 mm Procedure 1 Press the and keys while turning ON the power Menu A D Adjust is displayed 2 Select Menu Pos Adjust then press the lt key The Hysteresis Zero Full selection screen appears Menu Pos Adjust Adjusting the Hysteresis 3 Select P Adj Hysteresis then press the a key The hysteresis adjustment pattern starts printing and the adjustment value entry screen appears P Adj Hysteresis 4 Adjust the numerical value so that the recorded result is as close to a straight line as possible Hysteresis 2 7 1 5 When the adjustment is complete press the lt key You are returned to the Hysteresis Zero Full selection screen Adjusting the Zero Position 6 Select P Adj Zero then press the lt key The adjustment value input screen in displayed P Adj Zero 7 Adjust the numerical value so that the pen recorder position overlaps the 0 position of the z fold chart paper Zero 7 0 15 8 When the adjustment is complete press the lt key You are returned to the Hysteresis Zero Full selection screen Select using the VA key To enter numerical values move the cursor to the entry point using the key Sele
13. Bggoosz ENCORDER B8800LW SCREW PEN MOTHER B8800SP eee 3PEN TO RJC B8800LX CLAMP ol BOARD ETHER TU BOARD 2 PCB ASSY gt ngao2sc 21 53 5005 Eo Wl gt gt m 8880050 B8800SL SCREW Y 1 LC TOI 1 PLOTTER S X MOTOR B8800SM CLAMP CN3 I 8 AD BOARD 1 CPU BOARD B8800SE B8802vA als i B8800SD FIRM gt PLOTTER S Y MOTOR BOARD AD BOARD 2 lt H B8800SE ZZ Z B88029A Z x m e PLOTTER SOLENOID X1 SCANNER BOARD 1 ja m B8800SH 2CH 88 E 1 CHART SENSOR ASSY 1 SCANNER BOARD 2 opin CN5 CN6 CN1 8 nana 4 i B9905XW B8800SH 2CH zz 510 CN7 CHART MOTOR CN2 TO FLASH ROM WRITER BATTERY AC POWER B9905WD TERMIN SUB POWER MAIN POWER L 5880058 B8800SA 1 1PEN or 2PEN MODEL AD BOARD 1 DISPLAY ASSY B8800SC 1PEN SCANNER BOARD1 B8800SH in B8802CA N 8 SCANNER BOARD2 NO CN7 CM1 CN2 2PEN SCANNER BOARD1 B8800SH SCANNER BOARD2 NO 3PEN or 4PEN MODEL AD BOARD 1 AND AD BOARD 2 POWER ASSY 3PEN SCANNER BOARD1 B8800SH gt B8800JP SCANNER BOARD2 B8800SH PROTECTIVE 4PEN SCANNER BOARD1 B8800SH EARTH SCANNER BOARD2 B8800SH 1 V8 p s 310 10920dt0 NS 9
14. Select using the VA key To enter numerical values move the cursor to the entry point using the lt gt key Select the value using the WA key You can hold down the SHIFT key while pressing VA key or 1 p key to reverse the key s action SM 04P02B01 01E 4 3 sjueunsn py B 4 2 Adjustments to the Pen Model 15 With End Store displayed press the lt key The adjusted value is saved to the A D converter End Store Concluding Adjustments 16 Select Menu End then press the lt key You are returned to the operation mode Menu End Adjusting the Pen Speed Overview This is an adjustment to make the speed of the pen as it moves from left to right almost the same as when it moves from right to left The recorder adjusts automatically The adjustment is performed when the pen servo assembly is replaced Procedure 1 Press the and keys while turning ON the power Menu A D Adjust is displayed 2 Select Menu Aux then press the lt key Menu Aux 3 Enter the password see page 3 5 then press the lt key Password 4 Select Sub Pen speed then press the lt key Sub Pen speed 5 Select Pen speed Auto then press the lt key 6 Select the pen to adjust then press the lt key The recorder performs the adjustment automatically and displays the results Pen No 1 Value 9 3823721 Understanding the Results Value 9 The number showing the adjustment result It is
15. SM 04P02B01 01E 6 6 6 1 Customer Maintenance Parts List Pen Model Pen Servo and Plotter Assembly 2 2 Qty 35883 S L NINIR Item PartNo 2 333 Description 1 B8802EA 1 11111 1Pen Servo Assembly 2 B8802EF 121314 Servo Assembly 3 B8800HA 1 11111 1Pen Arm Assembly 4 B9900LQ 121314 Spring 5 B8800FY 121314 Arm Shaft 6 8802 11111 2Pen Servo Assembly 7 B8800HB 11111 2Pen Arm Assembly 8 B8802EC 111 3Pen Servo Assembly 9 B8800HC 111 3Pen Arm Assembly 10 B8802ED 1 4Pen Servo Assembly 11 B8800HD 1 4Pen Arm Assembly 12 B8802EH 3 2 1 Pen Servo 18 Spacer 13 B8802DP 3 13 3 3 Base Latch 3 14 B8802DT 1 11111 Dust Cover 15 B8802DN 1111 Servo Cover 16 B8802DM 1 11111 Pen base Bracket 17 Y9904KB 1 11111 Screw M2 5 18 B8802SK 111212 Pen Servo PCB 19 B8802DS 1111212 Servo Joint 18 20 Y9306LB 2121212 Screw M3x6 21 B9905NA 1111 Plotter Assembly 22 B9905NB 1 11111 Carriage Assembly 23 B9905NX 1111 Motor Assembly 24 Y9204LS 2121212 Screw 2 4 Y9201WB 4 4 4 4 Washer 25 B9900RB 1 11111 Bracket Assembly 26 Y9304LB 1 11111 Screw M3x4 27 B9905NS 1 11111 Motor Assembly 28 Y9204LS 2 2 2 2 Screw M2x4 29 B9905NE 1 11111 Shaft 30 Y9304LB 2121212 Screw M3x4 31 B9905ND 1411111 Frame 32 B9905NF 1 1 1 1 Shaft Assembly 33 Y9304LB 111111 Screw M3x4 34 B9905NL 1 11111 Belt 35 B9905NP 1 11111 Bracket Assembly 36 Y9304LB 2121212 Screw M3x4 37 B9900RM 1111 Spring 2044 38 B9900RK 1111 Collar 39 B9900RH 1 11111 L
16. 9 Y9304LB 1 Screw M3x4 10 Y9304LK 1 Screw M3x4 11 B9902LK 1 Wire Assembly Black 12 B9902LJ 1 Wire Assembly White 13 B9902LL 1 Wire Assembly Green 14 E9655FX 3 Screw 15 A1017JS 1 Socket 16 Y9306LB 2 Screw M3x6 17 Y9405LB 1 Screw M4x5 18 B9902LN 1 Wire Assembly Green 19 Y9401WL 1 Washer 20 B8800LH 1 Bracket 21 A9019ZH 1 Terminal Assembly 22 Y9304LB 1 Screw M3x4 23 B9529AU 1 Name Plate Note 24 B9902LM 1 Rod 25 Y9301WB 1 Washer CMP 6 30 SM 04P02B01 01E Chapter 7 Replacing Parts 7 1 Before Replacing Parts Notes When Replacing Parts Replacement of parts can only be performed by properly trained personnel This section describes disassembly of the instrument Refer to the disassembly procedures when reassembling f parts other than the chart paper pens ribbon cassette and internal light LED are replaced the instrument is no longer warranted by YOKOGAWA Remove all wires and cables from the recorder and turn OFF the power switch before attempting any disassembly or assembly Certain parts of the recorder carry high voltages CAUTION The internal circuitry is vulnerable to damage from static electricity Take appropriate measures to ensure that static electricity does not flow to the internal circuits Plastic molded framing with latches are used to secure components Applying excessive force to latches can cause them to break Testing after Replacement of Parts When replacin
17. A5 or F1 option Short all relay contact output terminals Between remote control input C terminal and earth terminals 100 MQ or more With the R1 option Between the RS 422A 485 SG 100 MQ or more terminals and earth terminals With the C3 option Between the Ethernet terminal and earth terminals 100 MQ or more With the C7 option Short all input output terminals With the dot model without the N2 option exclude the b terminal The b terminals are connected to all channels Protective Grounding Procedures Perform a resistance measurement with a DMM Digital Multi Meter and check whether the results meet the criterion Criterion Measured Location Criterion Between earth terminal and power supply heat sink 0 2 Q or less Heat sink Protective ground terminal 3 8 SM 04P02B01 01E 3 4 Test Procedures Withstand Voltage Procedures Perform the test with a withstanding voltage tester and check whether the results meet the criteria Perform the measurement with the power switch turned ON Test Duration The test duration is one minute Criteria Tested Terminals Applied Voltage Max Allowable Condition Leak Current Between the power and 1 5 5mA Short the L and N terminals earth terminals Between the input and 1 0 1mA Short all input terminals
18. Chart paper does not feed Is the chart installed correctly Do the gears mesh correctly Chart Feed Motor Assembly Pen Dot Driver PCB Internal illumination dim Ajusting the brightness of the Internal light LED LED Assembly Internal illumination does not turn ON LED Assembly Display Assembly The measured value is not correct Input section wiring Noise effects Measured values fluctuate Is the Integral Time setting of the A D converter correct Noise effects Scanner PCB Voltage measurement is good but temperature measurement is not correct Is the Reference Junction Compensation setting correct Is the terminal cover installed Input Terminal Assembly RJC Board A D Board PCB SM 04P02B01 01E 2 3 m Chapter3 Testing 3 1 Acceptance Test This section describes the procedure to perform the acceptance test 1 Read the preface to the user s manual Checking the Contents of the Package and verify that you have all of the contents 2 Make sure to understand the operating procedures as described in the user s manual 3 Check each function using the user s manual 9 4 Read and implement section 3 2 Self Diagnostic Test e 5 Read and implement section 3 3 Performance Test SM 04P02B01 01E 3 1 3 2 Self Diagnostic Test The recorder is provided with complete self diagnost
19. Dot Model 7 Remove the two screws and M3 hex screw remove the Plate and Drive Pulley Screw tightening torque 0 59 to 0 69 N m M3 hex screw tightening torque 0 20 to 0 26 N m M3 Hex Screw Screw Drive Pulley Ribbon Shift Motor Ribbon Swing Motor B9906FS Item 8 on page 6 19 Ribbon Shift Gear Box Ribbon Swing Gear Assembly B8803BS Item 7 on page 6 19 1 Remove the internal unit 2 Remove the cable extruding from the Ribbon Shift Motor from the Dot Driver PCB CN4 3 Remove the three pins and four screws that secure the Plate then remove the Plate 4 Release the two latches securing the Ribbon Shift Assembly then pull out the Ribbon Shift Assembly 5 Release the two latches securing the Ribbon Shift Motor then turn the Ribbon Shift Motor counterclockwise and remove it Ribbon Shift Gear Box SM 04P02B01 01E 7 19 SHEd Burioejdou
20. Plate 4 Remove the latch from the Holder Lock on the left panel then slide it to the right side and remove the Holder Lock Holder Lock m ck me Nr 28 __ 2 7 14 SM 04P02B01 01E 7 5 Disassembly Procedure Dot Model 5 Remove the latch from the Holder Lock on the right panel then slide it to the left side and remove the Holder Lock 32 87 7 Holder Lock J 7 7 __ Disconnect the Band that holds the cables in place Remove the two latches securing the Ribbon Feed Motor then turn clockwise and remove the Ribbon Feed Motor Ribbon Feed Motor Release the latch securing the Ribbon Feed Gear then remove the Ribbon Feed Gear Ribbon Feed Gear SM 04P02B01 01E 7 15 syed Buroejdou 7 5 Disassembly Procedure Dot Model Carriage Assembly B8803BB Item 24 on page 6 20 Pully B9901EY Item 30 on page 6 20 CAUTION Do not apply lubricant to the Shaft 1 Remove the internal unit 2 Remove the FPC extruding from the Carriage Assembly from the Dot Driver CN6 3 Remove the three pins and four screws that secure the Plate then remove the Plate Plate 5 Move the Carriage Motor to the right to loosen the Belt tension then remove the Belt from the Carriage Motor Pulley 7 16 SM 04P02B01 01E 7 5 Disassembly Procedure Dot Model 6 Remove the two screws securing the Pulley
21. channel 2 then press the lt key After measurement the adjusted value is displayed Range 20mV 2 585 F 32769 8 Press the lt key You are returned to the A D No screen 9 Repeat steps 5 to 8 to adjust the following ranges 60 mV 200 mV 1 V 2 6 V 20 V Pt100 Cu10 with the N1 option Saving Adjusted Values 10 When all adjustments are finished select Mode End then press lt key Mode End 11 Select A D No 1 then press the lt key 12 With End Store displayed press the lt key End Store 2 2 P lt Z n lt 2 gt lt Concluding Adjustments 13 Select Menu End then press the lt key You are returned to the operation mode Menu End Select using the VA key To enter numerical values move the cursor to the entry point using the key Select the value using the WA key You can hold down the SHIFT key while pressing VA key or lt p key to reverse the key s action 4 8 SM 04P02B01 01E 4 3 Adjustments to the Dot Model Adjusting the Ink Ribbon Overview This is an adjustment of the position of the ink ribbon The adjustment is performed when colors of the dots bleed into one another Procedure 1 Press the CMENU and keys while turning ON the power Menu A D Adjust is displayed 2 Select Menu Aux then press the lt key 3 Enter t
22. 1 CN16 18 o B8800SE SCANNER BOARD 3 CN4 9 11 INPUT TERMINAL ASSY 2 INPUT TERMINAL ASSY 3 CN6 10 12 CN6and15 CN10and17 24 DOT STD MODEL MOTHR BOARD B8803SC 18 DOT ISO MODEL MOTHR BOARD B8803VD SCANNER BOARD 4 CN4 9 11 13 SCANNER BOARD 2 CN4 9 11 5 _______ INPUT TERMINAL ASSY 4 CN6 10 12 14 ISO SCANNER 1 CN16 18 20 1 I I INPUT TERMINAL ASSY 3 L 1 CN6and15 CN10andl7 CN12and19 c T OPTION TERMINAL 44 ISO MODEL MOTHR BOARD 8880350 3 2 Zi al B8803FB SCANNER BOARD 2 CN4 9 11 13 lt en e o ASSY i ISO SCANNER 1 CN16 18 20 22 E z CI H _B8800ST NO_RS422 AND NO REMOTE Gite ins A AA nee Sanaa ani ani an m a m m TERMINAL 14 21 lt 1 gl B8803FA OR B8802GA 2 B8801CW NO NAME PLATE o gt 5 5 O ASSY FROM B8803EA B8803EC 1 iz CC B8800ST NO 85422 AND NO REMOTE BH Ll L Lie 10 Q ar r OPTION TERMINAL i 2 45 CHART Ex L 1 a s B8802GA OR B8802GB MOTOR O i ZZ EOO PCB ASSY z 8 i Gaal B8800ST NO RS422 AND NO REMOTE m Hm CARRIAGE aq 1 5 OO OOP OPTION TERMINAL 5 MOTOR E E fl 50101 B8800MA FROM MP RS422 OR NO 6 1 mm i B8800NA FROM NA NP ETHE
23. B8800LY 1 Input Terminal Assembly not H2 select B8800LX 1 Input Terminal Assembly H2 18 B8800AM 1 Input Cover Assembly not nd select B8800AN 1 Input Cover Assembly H2 19 Y9306LB 2 Screw M3x6 20 B9905CR 1 Bracket 21 Y9305LK 2 Screw M3x5 22 B8802BJ 3 Sheet 23 B9900BT 1 4 Name Plate select Note CMP 6 11 1517 SMEG e2ueuojure y I8LI0 5 6 1 Customer Maintenance Parts List Pen Model Terminal Assembly 3 3 Option Terminal Suffix Code Options 8800 A1 C3 1 B8800MB A2 C3 12 B8800MC A3 C3 3 B8800MD C3 4 B8800ME F1 C3 5 B8800MF A1 F1 C3 6 B8800MG A2 F1 C3 7 8800 A1 R1 C3 8 B8800MJ A2 R1 C3 9 B8800MK A3 R1 C3 10 B8800ML R1 C3 11 B8800MM F1 R1 C3 12 B8800MN A1 F1 R1 C3 13 B8800MP A2 F1 R1 C3 14 B8800NA A1 C7 15 B8800NB A2 C7 16 B8800NC A3 C7 17 B8800ND C7 18 B8800NE F1 C7 19 B8800NF A1 F1 C7 20 B8800NG A2 F1 C7 21 B8800NH 1 R1 C7 22 B8800NJ A2 R1 C7 23 B8800NK A3 R1 24 B8800NL R1 C7 25 B8800NM F1 R1 C7 26 B8800NN A1 F1 C7 27 B8800NP A2 F1 R1 C7 28 B8802GA A3 F1 29 B8802GB A4 30 8800 A1 31 B8800MB A2 32 B8800MC A3 33 B8800ME F1 34 B8800MF A1 F1 35 B8800MG A2 F1 36
24. Bracket Screw tightening torque 0 59 to 0 69 N m Pulley Bracket Removing the Pulley 7 Release the Pulley Bracket latch Remove the Belt from the Pulley Assembly Collar Pulley S gt Z amp Shaft Pulley Assembly Removing the Carriage Assembly 7 Remove the screw securing the Adjust Shaft Assembly then pull out the Main Shaft and Adjust Shaft Assembly from the internal unit and Carriage Assembly Screw tightening torgue 0 59 to 0 69 N m Adjust Shaft Assembly Screw When removing the Adjust Shaft Assembly see section 4 3 Adjusting the Height of the Carriage Carriage Assembly SM 04P02B01 01E 7 17 Burioejdou 7 5 Disassembly Procedure Dot Model Carriage Motor B9906FX Item 13 on page 6 20 1 2 5 6 Remove the internal unit Remove the cable extruding from the Carriage Assembly from the Dot Driver PCB CNg Remove the three pins and four screws that secure the Plate then remove the Plate Move the Carriage Motor to the right to loosen the Belt tension then remove the Belt from the Carriage Motor Pulley Carriage 2 Belt Release the two latches securing the Motor Bracket Assembly then pull out the Motor Bracket Assembly Remove the Spring and two screws remove the Motor Plate Assembly Screw tightening torque 0 59 to 0 69 N m SM 04P02B01 01E 7 5 Disassembly Procedure
25. CN15 CN9 CW OR B EA SCREW STD B8803ED SCREW ISO CN16 7CM10 B8803EG CLAMP DOT INPUT TERMINAL BOARD Rac P8801SG SCREW STD lt 888015 SCREW ISO 88 BOARD ZB8801SJ CLAMP J 8880050 OTERMINAL ASSY Ta B8801CW OR B8803EB SCREW STD B8803EE SCREW ISO OT INPUT TERMINAL BOARD d B8801SG SCREW STD TO RIC NB8801SH SCREW ISO 518 BOARD 28880153 CLAMP 880050 V TERMINAL ASSY 2074 8801CW OR B8803EC SCREW STD ala ISO OB B8803EJ CLAMP CN7 AC POWER 2 SUB_POWER TERMIN OARD MAIN POWER B8800SA B8800SC B8800SB CN7 9 gt i PROTECTIVE POWER ASSY EARTH 2 B8800JP 1 6 DOT STD MODEL MOTHR BOARD B8803WB SCANNER BOARD 1 CN4 6 DOT ISO MODEL MOTHR BOARD B8803WC SCANNER BOARD 1 CN4 ww 5 INPUT TERMINAL ASSY 1 CN6 ISO SCANNER 1 CN10 12 DOT STD MODEL MOTHR BOARD B8803SB INPUT TERMINAL ASSY 1 CN6 and 9 SCANNER BOARD 2 CN4 9 12 DOT ISO MODEL MOTHR BOARD B8803WD INPUT TERMINAL ASSY 2 CN6 10 SCANNER BOARD 2 CN4 9 A D BOARD 18 DOT STD MODEL MOTHR BOARD B8803VC ISO SCANNER
26. If drafts are present and may influence the results position the equipment to avoid them After connecting the thermocouple allow a warm up time of 30 minutes or more before beginning measurement Always use terminal covers When measuring filters may be applied Display 9 Procedures 1 Turn ON the power switch while pressing the MENU and keys Menu A D Adjust is displayed 2 Select Menu Test and press the lt key 3 Choose Test Disp and press the lt key The test pattern is displayed Each time you press the DISP key the display pattern changes For each pattern check that there are no missing parts abnormalities or other defects Press the ESC key to return to the Test Disp Screen Select using the WA key You can hold down the SHIFT key while pressing WA key to reverse the key s action Displayed Pattern All pixels lit status display also lit All pixels not lit Horizontal stripes 2 pixels each lit not lit Vertical stripes 2 pixels each lit not lit 3 12 SM 04P02B01 01E 3 4 Test Procedures Keys 9 Procedures 1 Turn ON the power switch while pressing the MENU and keys Menu A D Adjust is displayed 2 Select Menu Test and press the lt key 3 Choose Test Key and press the lt key Confirm that the appropriate box turns On or OFF when each key is pressed The box of the display corresponds to the order of the keys Press the Esc key twice to return to the T
27. Internal light LED 2 years LED Assembly B8800CR The half life of the brightness at the factory default brightness setting For information on replacing the parts the shaded area see the uR20000 Recorder user s manual IM 04P02B01 01E 7 2 SM 04P02B01 01E 7 3 Disassembly Procedure Common Items This is a description of the disassembly procedures that are common to the dot and pen models The photographs are of the dot model but the pen model has the same structure and the same procedures can be used Internal Unit Frame Assembly Item 10 on pages 6 2 and 6 16 1 Remove the Chart Cassette Assembly 2 Sufficiently loosen screw A then remove screw Screw tightening torque 0 88 to 0 98 N m Sines Screw B 3 Sufficiently loosen the screw that holds down the cover then open the cover Screw tightening torque 0 59 to 0 69 N m 100 240 FREQUENCY 5050 00 00 64 86 F1 E8 555704003 2005 4 Release the lock the Joint Board PCB connector CN2 and remove the FPC from the connector Lock released SM 04P02B01 01E 7 3 SHEd Burioejdou 7 3 Disassembly Procedure Common Items 5 Loosen the screw on the back of the FPC and open the internal unit Screw tightening torque 0 88 to 0 98 N m Remove the Internal Unit 6 Remove the four screws from the hinges and remove the internal unit from the c
28. an integer from 0 to 20 39 38 1 39 The time count required to move from 25 to 75 38 The time count required to move from 75 to 25 1 The difference between the two time counts above Criteria Time count Less than or equal to 50 Difference between the two time counts Less than or equal to 10 value of the time count whichever smaller 7 Press the lt key then perform steps 5 and 6 on the installed pen Select using the VA key To enter numerical values move the cursor to the entry point using the lt D key Select the value using the WA key You can hold down the SHIFT key while pressing VA key or 1 p key to reverse the key s action 4 4 SM 04P02B01 01E 4 2 Adjustments to the Pen Model 8 When all pen adjustments are finished select Mode End then press the lt key 9 With End Store displayed press the lt key The adjusted value is saved End Store Concluding Adjustments 10 Select Menu End then press the lt key You are returned to the operation mode Note If Error is displayed in the adjustment results screen this most likely indicates that the pen cannot move normally through the full scale Check the operation of the pen then perform the adjustment again Adjusting the Pen Position Overview This is an adjustment of the pen position to make the recording position 0 to 180 mm Each pen is adjusted individually The adjustment is performed when the recording accuracy i
29. not N2 P1 B8803CC Panel Assembly not N2 P1 B8803CD Panel Assembly not N2 P1 B8803CE 1 Panel Assembly N2 not P1 B8803CF 1 Panel Assembly N2 not P1 B8803CG 1 Panel Assembly N2 not P1 B8803CH 1 Panel Assembly N2 not 1 select B8803CJ 1 Panel Assembly P1 not N2 B8803CK 1 Panel Assembly P1 not N2 B8803CL 1 Panel Assembly P1 not N2 B8803CM 1 Panel Assembly P1 N2 B8803CN 1 Panel Assembly N2 P1 B8803CP Panel Assembly N2 P1 B8803CQ 1 Panel Assembly N2 P1 B8803CR 1 Panel Assembly N2 P1 1111111 Terminal Assembly see page 6 25 3 B9305LK 666 6 Screw M3x5 4 B8802FL 1111 Option Bracket select 5 Y9305LB 2222 Screw M3x5 select 6 B8803SE 1111 12 Option Mother PCB A1 A2 A3 C3 C7 F1 R1 not A4 A5 B8803SE 1111 12 Option Mother PCB and A4 F1 select B8803SF 1111 24 Option Mother PCB A4 F1 B8803SF 1111 24 Option Mother PCB and A5 not F1 7 Y9305LB 4141414 Screw M3x5 for 888035C select Y9305LB 818 818 Screw M3x5 for B8803SF 8 B9905RX 1111 Rod 9 Y9405LB 11111 1 Screw M4x5 10 A9099KY 3 3 3 3 11 Y9305LB 5555 Screw M3x5 select 12 B8803DA 1 1 Bracket select Y9305LB 414 Screw M3x5 select 13 B8803WB 1 6 Dot Mother PCB not N2 B8803SB 1 12 Dot Mother PCB not N2 B8803VC 1 18 Dot Mother PCB not N2 B8803SC 1 24Dot Mother PCB not N2 select B8803WC 1 6 Dot ISO Mother PC
30. pens Use standard pens or equivalent A standard is one whose tip does not fluctuate more than 0 1 mm 1 Turn ON the power switch while pressing the Cmenu and keys Menu A D Adjust is displayed 2 Select Menu Test and press the lt key 3 Choose Test Dead Band and press the lt key The dead band measurement pattern is automatically recorded near 0 50 and 100 Measure the following portions of the recorded results using a Glass scale or equivalent then confirm that the results meet the criteria Criterion 0 36 mm or less Select using the VA key You can hold down the SHIFT key while pressing WA key to reverse the key s action Pen Offset Pen Model Procedures Check all pens Use standard pens or equivalent A standard is one whose tip does not fluctuate more than 0 1 1 ON the power switch while pressing the menu and keys Menu A D Adjust is displayed 2 Select Menu Test and press the lt key 3 Choose Test Dead Band and press the lt key The dead band measurement pattern is automatically recorded near 0 50 and 100 Measure the following portions of the recorded results using a Glass scale or equivalent then confirm that the results meet the criteria Criteria Item Criteria A 2 1 1 4 2 x1 6 3 1
31. recording position Overview This test performed when the A1 A2 A3 A4 A5 or F1 option is specified It is performed for all relay contact outputs 9 Procedures 1 Turn ON the power switch while pressing the menu and keys Menu A D Adjust is displayed 2 Select Menu Test and press the lt key 3 Choose Test Alarm and press the lt key The relay number selection screen Relay l01 appears 4 Select a relay number and check the relay action according to the table below Select using the WA key You can hold down the SHIFT key while pressing WA key to reverse the key s action 3 16 SM 04P02B01 01E 3 4 Test Procedures When the F1 Option is Not Installed Relay Relay No 101 106 101 106 111 116 111 16 121 126 121 126 131 136 131 136 When the F1 Option Is Installed Relay Relay No 101 106 101 106 111 116 111 116 Chart Paper End Output Relay 125 FAIL Output Relay FAIL Output Relays Other Than the FAIL Output Rela Select the relay number to test and confirm that it is open between the NO and relay output terminals Press the key The relay is energized Check that it i closed between relay output terminals NO and C FAIL Output Relay Select FAIL in the relay number selection screen and confirm it is closed between relay output terminals NO and C Press the lt key The relay is deenergized approximately four seconds thereafter Confirm that it is open be
32. 02AQ 4th Pen violet B9902AR Plotter Pen purple 2 Part number B9573AN Minimum order quantity 10 units 1 chart unit SM 04P02B01 01E 1 11 Seg e2ueuojure y JawWoJSNn 6 1 Customer Maintenance Parts List Pen Model Portable Type H5 1 25 2413 X ABS Item Part No Qty Description 1 B8802GE 1 Cover Assembly 2 B9905KX 3 Collar 3 Y9406LB 3 Screw M4x6 4 Y9304LB 2 Screw M3x4 5 B9905KV 1 Rod 1 2 A3 A4 C3 C7 F1 R1 select B9905KY 1 Stud A1 2 A3 A4 C3 C7 F1 R1 6 Y9725YA 1 Spacer A1 A2 A3 A4 C3 C7 F1 R1 7 B8802GG 1 Cover 8 B8802AD 1 Name Plate 9 Y9304LB 1 Screw M3x4 10 Y9304LK 1 Screw M3x4 11 B9902LK 1 Wire Assembly Black 12 B9902LJ 1 Wire Assembly White 13 B9902LL 1 Wire Assembly Green 14 E9655FX 3 Screw 15 A1017JS 1 Socket 16 Y9306LB 2 Screw M3x6 17 Y9405LB 1 Screw M4x5 18 B9902LN 1 Wire Assembly Green 19 Y9401WL 1 Washer 20 B8800LH 1 Bracket 21 A9019ZH 1 Terminal Assembly 22 Y9304LB 1 Screw M3x4 23 B9529AU 1 Name Plate 24 B9902LM 1 Rod 24 Y9301WB 1 Washer 232221 Note CMP 6 14 SM 04P02B01 01E 6 2 Customer Maintenance Parts List Dot Model Note Parts marked with a Osymbol are Customer Maintenance Parts CMP SM 04
33. 2 B8802GB A5 R1 103 B8803FA A5 104 B8803FA A5 R1 105 B8803FB A5 106 B8803FB A5 R1 107 6 28 SM 04P02B01 01E 6 2 Customer Maintenance Parts List Dot Model Standard Accessories Item Part No Qty Description 1 B9906JA 1 Ribbon Cassette 2 B9573AN 1 Chart 1 3 B9900BX 2 Bracket Assembly not H5 1 4 B8800LZ 1 CD ROM for Manuals 5 1 Manuals 6 A1006WD 1 Power Cord Set H5D UL CSA standard 7 A1009WD 1 Power Cord Set H5F VDE standard 8 A1064WD 1 Power Cord Set H5H GB standard select 9 A1023WD 1 Power Cord Set H5J BS standard 10 A1024WD 1 Power Cord Set H5R AS standard Spares Note 1 Part number B9573AN Minimum order quantity 10 units 1 chart unit SM 04P02B01 01E 6 29 1517 SMEG e2ueuojure y I8LI0 5 6 2 Customer Maintenance Parts List Dot Model Portable Type H5 1 27 DENEN yx N WEEE 252413 232221 Item Part No Qty Description 1 B8802GE 1 Cover Assembly 2 B9905KX 3 Collar 3 Y9406LB 3 Screw M4x6 4 Y9304LB 2 Screw M3x4 5 B9905KV 1 Rod 1 2 A3 A4 A5 C3 C7 F1 R1 select B9905KY 1 Stud A1 2 A3 A4 5 C3 C7 C 1 R1 6 Y9725YA 1 Spacer not A1 A2 A3 A4 A5 C3 C7 F1 R1 7 B8802GG 1 Cover 8 B8802AD 1 Name Plate
34. 5 Option Terminal Suffix Code options B8800MA A1 C3 1 B8800MB A2 C3 2 B8800MC A3 C3 3 B8800MD C3 4 B8800ME FA C3 5 B8800MF A1 F1 C3 6 B8800MG A2 1 C3 7 B8800MH A1 R1 C3 8 B8800MJ A2 R1 C3 9 B8800MK A3 R1 C3 10 B8800ML R1 C3 11 B8800MM 1 R1 C3 12 B8800MN A1 1 R1 C3 13 B8800MP A2 F1 R1 C3 14 B8800MC A3 1 C3 15 B8800MC C3 16 B8800MC A4 F1 C3 17 B8800MC A5 C3 18 B8800MK A3 F1 R1 C3 19 B8800MK A4 R1 C3 20 B8800MK A4 F1 R1 C3 21 B8800MK A5 R1 C3 22 B8800NA A1 C7 23 B8800NB A2 C7 24 B8800NC A3 C7 25 B8800ND C7 26 B8800NE 1 C7 27 B8800NF A1 F1 C7 28 B8800NG A2 F1 C7 29 B8800NH A1 R1 C7 30 B8800NJ A2 R1 C7 31 B8800NK A3 R1 C7 32 B8800NL R1 C7 33 B8800NM 1 R1 C7 34 B8800NN A1 1 R1 C7 35 B8800NP A2 F1 R1 C7 36 B8800NC A3 F1 C7 37 B8800NC C7 38 B8800NC A4 F1 C7 39 B8800NC A5 C7 40 B8800NK A3 F1 R1 C7 41 B8800NK A4 R1 C7 42 B8800NK A4 F1 R1 C7 43 B8800NK A5 R1 C7 44 B8802GA A3 F1 C3 45 B8802GA A4 F1 C3 46 B8802GA A3 F1 R1 C3 47 B8802GA A4 R1 C3 48 B8802GA A3 1 C7 49 B8802GA 1A4 F1 C7 50
35. 6 B9901JC 1 Input Cover Assembly not H2 N2 B9901JD 1 Input Cover Assembly 2 B9901JP 1 Input Cover Assembly 2 27 Y9306LB 2 Screw M3x6 28 B8803EA 1 Input Terminal Assembly not H2 N2 B8803ED 1 Input Terminal Assembly N2 B8803EG 1 Input Terminal Assembly H2 29 B9906KK 1 Input Cover Assembly not H2 N2 B9906KN 1 Input Cover Assembly N2 B9906LA 1 Input Cover Assembly H2 30 Y9306LB 2 Screw M3x6 31 B8803EB 1 Input Terminal Assembly not H2 N2 B8803EE 1 Input Terminal Assembly N2 B8803EH 1 Input Terminal Assembly H2 J 32 B9906KL 1 Input Cover Assembly H2 N2 B9906KP 1 Input Cover Assembly N2 B9906LB 1 Input Cover Assembly 2 33 Y9306LB 2 Screw M3x6 34 B8803EC 1 Input Terminal Assembly not H2 N2 B8803EF 1 Input Terminal Assembly N2 B8803EJ 1 Input Terminal Assembly H2 35 B9906KM 1 Input Cover Assembly not H2 N2 B9906KQ 1 Input Cover Assembly N2 B9906LC 1 Input Cover Assembly H2 36 Y9306LB 2 Screw 6 37 B9905CR 1 Bracket 437106 437112 select B9906CA 1 Bracket 4371 18 437124 38 Y9305LK 2 Screw M3x5 39 B8802BJ 3 Sheet 437106 B8802BJ 2 Sheet 4371 12 select B8802BJ 1 Sheet 437118 40 B9900BT 1 3 Name Plate select Note select select select select select select select select CMP 6 26 SM 04P02B01 01E 6 2 Customer Maintenance Parts List Dot Model Terminal Assembly 4
36. 800ML 1 Option Terminal Assembly 11 40 B8800MM 1 Option Terminal Assembly 12 41 B8800MN 1 Option Terminal Assembly 13 42 B8800MP 1 Option Terminal Assembly 14 43 select B8800NA 1 Option Terminal Assembly 15 see page 6 12 B8800NB 1 Option Terminal Assembly 16 B8800NC 1 Option Terminal Assembly 17 52 B8800ND 1 Option Terminal Assembly 18 B8800NE 1 Option Terminal Assembly 19 B8800NF 1 Option Terminal Assembly 20 B8800NG 1 Option Terminal Assembly 21 B8800NH 1 Option Terminal Assembly 22 B8800NJ 1 Option Terminal Assembly 23 B8800NK 1 Option Terminal Assembly 24 50 B8800NL 1 Option Terminal Assembly 25 B8800NM 1 Option Terminal Assembly 26 B8800NN 1 Option Terminal Assembly 27 B8800NP 1 Option Terminal Assembly 28 2 B8800KG 1 Option Cover Assembly 3 Y9308LB 1 Screw M3x8 4 Y9318LB 1 Screw M3x18 5 A1447JZ 1 Access of Conn select 6 B8802GA 1 Option Terminal Assembly 29 see page B8802GB 1 Option Terminal Assembly 30 48 49 51 53 6 12 7 B8800KG 1 Option Cover Assembly 8 Y9308LB 1 Screw M3x8 9 Y9318LB 1 Screw M3x18 10 B9905BN 1 Bracket 11 Y9305LK 2 Screw M3x5 12 B8800JJ 1 Terminal Assembly not P1 select B8800JK 1 Terminal Assembly P1 13 E9655FX 3 Screw 14 B8802AJ 1 Cover Assembly not P1 H5 select B8802AK 1 Cover Assembly P1 not H5 1 15 Y9305LB 1 Screw M3x5 16 Y9310LB 1 Screw M3x10 not H5 D select Y9314LB 1 Screw M3x14 H5 1 17
37. 802BU 1111 CPU Bracket Assembly 24 B8802VA 1111 PEN20 CPU Assembly 25 B8802SA 1111 Joint Board PCB 26 B8802BX 1111 Connector Bracket 27 Y9305LB 4444 Screw M3x5 28 B8802BY 1111 Guide Bracket 29 B8800SN 1111 R422 COM PCB C3 select B8800SP 1111 Ether COM PCB C7 30 Y9305LB 2222 Screw M3x5 31 B8802WA 1111 Cable Assembly select 1 Note 1 Option or A1 A2 A3 A4 F1 R1 Note CMP SM 04P02B01 01E 6 9 15171 SMEG e2ueuojure y I8LI0 5 Terminal Assembly 1 3 6 1 Customer Maintenance Parts List Pen Model amp X lt 5 Ar U A l BE 2 NN _ 5 SIDA SS L SA M RY N SM 04P02B01 01E 6 10 6 1 Customer Maintenance Parts List Pen Model Terminal Assembly 2 3 SM 04P02B01 01E Item Part No Qty Description 1 8800 1 Option Terminal Assembly 1 31 B8800MB 1 Option Terminal Assembly 2 32 B8800MC 1 Option Terminal Assembly 3 33 44 45 B8800MD 1 Option Terminal Assembly 4 B8800ME 1 Option Terminal Assembly 5 34 B8800MF 1 Option Terminal Assembly 6 35 B8800MG 1 Option Terminal Assembly 7 36 B8800MH 1 Option Terminal Assembly 8 37 B8800MJ 1 Option Terminal Assembly 9 38 B8800MK 1 Option Terminal Assembly 10 39 46 47 B8
38. 8802 F1 R1 C7 51 8802 A4 1 R1 C7 52 B8802GB A4 C3 53 B8802GB A5 C3 b4 B8802GB A4 F1 C3 55 B8802GB A4 R1 C3 b6 B8802GB A4 1 R1 C3 b7 B8802GB A5 R1 C3 b8 B8802GB A4 59 B8802GB A5 C7 60 B8802GB A4 1 C7 61 B8802GB A4 R1 C7 62 B8802GB A4 F1 R1 C7 63 B8802GB A5 R1 C7 64 B8803FA A5 C3 65 B8803FA A5 R1 C3 66 B8803FA A5 C7 67 B8803FA A5 R1 C7 68 B8803FB A5 C3 69 B8803FB A5 R1 C3 70 B8803FB A5 C7 71 B8803FB A5 R1 C7 72 SM 04P02B01 01E 6 27 15171 Seg e2ueuojure y I8LI0 5 6 2 Customer Maintenance Parts List Dot Model Terminal Assembly 5 5 Option Terminal Suffix Code options B8800MA 1 73 B8800MB A2 74 B8800MC A3 75 B8800ME FA 76 B8800MF 1 1 77 B8800MG A2 1 78 B8800MH 1 R1 79 B8800MJ A2 R1 80 B8800MK A3 R1 81 B8800ML R1 82 B8800MM 1 R1 83 B8800MN A1 F1 R1 84 B8800MP A2 1 R1 85 B8800MC A3 FA 86 B8800MC 1A4 87 B8800MC 4 1 88 8800 A5 89 B8800MK A3 1 R1 90 B8800MK 4 R1 91 B8800MK 4 FA R1 92 B8800MK A5 R1 93 B8802GA A3 1 94 B8802GA 4 1 95 B8802GA A3 FA R1 96 B8802GA 4 FA R1 97 B8802GB A4 98 B8802GB A5 99 B8802GB A4 FA 100 B8802GB 4 R1 101 B8802GB 4 FA R1 10
39. B N2 B8803WD 1 12 Dot ISO Mother PCB N2 B8803VD 1 18 Dot ISO Mother PCB N2 B8803SD 1 24 Dot ISO Mother PCB N2 Y9305LB 1111111 Screw M3x5 14 Y9305LK 11111 1 Screw M3x5 15 B9905RW 11111 Clamp 16 B9905WD 1111111 Battery Assembly 17 B8800JP 1111 Power Assembly not P1 select B8800JQ 11111 1 Power Assembly 1 18 Y9305LB 2222 Screw M3x5 19 B8803DC 111 Board Bracket select 20 Y9305LB 1 1 Screw M3x5 select 21 B8802BU 1111111 CPU Bracket Assembly 22 B8803VA 1111 Dot 20 CPU Assembly 23 B8802SA 1111 Joint Board PCB 24 B8802BX 1111111 Connector Bracket 25 Y9305LB 4141414 Screw M3x5 26 B8802BY 11111 Guide Bracket 27 B8800SN 1111 R422 COM PCB C3 select B8800SP 11111 Ether COM PCB C7 28 Y9305LB 2222 Screw M3x5 29 B8800SE 1111 AD Board PCB 30 B8803DB 11 Board Bracket select 31 Y9305LB 1 1 Screw M3x5 select 32 B8801SD 1234 Dot STD Scanner PCB select 33 B8801SE 1121314 Dot ISO Scanner PCB 34 B8802WA 1 Cable Assembly 35 9099 2 Clamp select Note 36 B8803WA 111 1 Cable Assembly CMP SM 04P02B01 01E 6 23 15 SMEG e2ueuojure y 01 9 6 2 Customer Maintenance Parts List Dot Model Terminal Assembly 1 5 5 ii IX Z gt Sj gt ui T 7 di zs 2 D
40. B8800MH A1 R1 97 B8800MJ A2 R1 38 B8800MK A3 R1 39 B8800ML R1 40 B8800MM F1 R1 41 B8800MN A1 FA R1 42 B8800MP A2 F1 R1 43 B8800MC A4 44 B8800MC A4 C3 45 B8800MK A4 R1 46 B8800MK A4 R1 C3 47 B8802GB A4 R1 48 B8802GB A4 R1 C3 49 B8800NK A4 R1 C7 50 B8802GB A4 R1 C7 51 B8800NC C7 52 B8802GB A4 C7 53 6 12 SM 04P02B01 01E 6 1 Customer Maintenance Parts List Pen Model Standard Accessories Qty 35883 c Description 1 1 Pen Assembly 1st pen and plotter pen 1 Pen Assembly 1st 2nd and plotter pen M mE 1 Pen Assembly 1st 2nd 3rd pen and plotter pen Pen Assembly 1st 2nd 3rd 4th pen and plotter pen 2 B9573AN 1111111 Chart 2 3 B9900BX 2121212 Bracket Assembly not 5 1 4 B8800LZ 1111111 CD ROM for Manuals 5 1111111 Manuals 6 A1006WD 1111111 Power Cord Set H5D UL CSA standard 7 A1009WD 1111111 Power Cord Set H5F VDE standard 8 A1064WD 1111111 Power Cord Set H5H GB standard select 9 A1023WD 1111111 Power Cord Set H5J BS standard 10 A1024WD 1111111 Power Cord Set 5 AS standard Spares Note 1 Pen package is supplied in packs of 3pcs One pack is the minimum order quantity Part No Description B9902AM 1st Pen red B9902AN 2nd Pen green B9902AP 3rd Pen blue B99
41. C 0 mv 0 2 EXT RJC mode 0 mv 0 3 EXT mode 200 C 1 326 Q 1 4 C 0 C 9 036 Q 0 8 300 C 20 601 Q 1 7 0 4 of rdgs 1 0 Performed when the N1 option is specified 200 C 8 57 Q 0 8 0 500 0 4 600 C 158 64 Q 0 9 0 3 of rdgs 0 6 C Performed when the N3 option is specified SM 04P02B01 01E 3 4 Test Procedures Channel to Channel Error Burnout Detection Procedures Pen Model Assign inputs as shown in the table below in parallel to channels 1 and 2 and check whether the measured values on both channels meets the criteria Perform the same test using channels 3 and 4 Criteria Range Input Criteria 20 Short A and 0 00 0 01 mV zi Pt100 103 9 O 10 0 2 C between channel dispersion within 0 2 C 8 Dot Model Assign inputs as shown in the above table in parallel to all channels and check whether the measured values on each channel meet the test criteria in the table above The b terminal of the resistance temperature detector input is connected internally However when option N2 is specified the b terminal is isolated at each channel Procedures The test is performed on a representative channel from each A D converter Set up the burnout detection function on the recorder in advance four pen model for exa
42. DL 2121212 Screw M3x4 7 B9906FC 1111111 Motor Plate Assembly 8 Y9304LB 2121212 Screw M3x4 9 B9906FE 1111 Plate 10 B9906FD 11111 Motor Assembly 11 Y9303SJ 11111 Set Screw M3x3 12 B9901ET 1111 Drive Pulley 13 B9906FX 1111 Motor 14 B8803AJ 1111 Ribbon Holder Assembly 15 B8803BU 1111111 Ribbon Holder Assembly 16 B9906GP 1111111 Name Plate 17 B8803BX 2121212 Ribbon Holder Bearing 18 B9906GH 1111 Latch 19 B9906GN 1111 20 B9901HM 1111 21 B9901HN 1111 22 B9906GL 1111111 Motor Assembly 23 B9906GR 2222 Holder Lock 24 B8803BB 1111 Carriage Assembly 25 B8803BM 1111 Main Shaft 18 26 B8803BK 11111 Pulley Bracket 27 Y9305LB 2222 Screw M3x5 28 B9906EY 1111 Pulley Assembly 29 B9906FA 1111 Collar 30 B9901EY 1111 Pulley 31 B9906EZ 11111 Shaft 32 B8803EM 1111 Adjust Shaft Assembly 33 Y9305LB 1111 Screw M3x5 34 B9906EW 111 1 1 Lever Nut Note CMP SM 04P02B01 01E 6 21 15171 SMEG e2ueuojure y I8LI0 5 6 2 Customer Maintenance Parts List Dot Model CPU and Rear Panel Assembly 1 2 25 24 22 27 25 2123 26 28 SM 04P02B01 01E 6 22 6 2 Customer Maintenance Parts List Dot Model CPU and Rear Panel Assembly 2 2 Qty Part 9333 Description 1 B8802BK 1111 Case Assembly 2 B8803CA 1 Panel Assembly not N2 P1 B8803CB 1 Panel Assembly
43. P02B01 01E 6 15 15 SMEG e2ueuojure y I8LI0 5 6 2 Customer Maintenance Parts List Dot Model Complete Set Description Qty Item Name Plate B9900CR not H5 T7 N C Sf 10 Frame Assembly see page 6 18 CPU Board Assembly Dot Printer Assembly Display Assembly Chart Cassette Assembly Screw Y9405LB Screw Y9410LE 5 22052 ot EEQaS 0629429 Sa lt lt s SEEL 0 C oc 4 1 12 SM 04P02B01 01E 6 16 6 2 Customer Maintenance Parts List Dot Model Case and Door Assembly Qty 350552 NINIK Item PartNo 213 Description 1 B8802BA 1111111 Door Assembly select B8802BB 1111111 Door Assembly H3 2 B8802BK 1111111 Case Assembly 3 B8802BL 1111111 Case Assembly 4 B8802BQ 1111111 Case Gasket 5 B8802BZ 1111111 Screw 6 B9905CL 1111111 Boss 7 B9905DL 1111111 Stay 8 E9660JF 1111111 Spring 9 B9905CP 1111111 Boss 10 Y9300ET 1111111 Retainer 11 E9655KH 1111111 Spring 12 B8803AE 1 6 Dot TAG Assembly B8803AF 1 12 Dot TAG Assembly B8803AG 1 18 Dot TAG Assembly select B8803AH 1 24 Dot TAG Assembly Note CMP SM 04P02B01 01E 6 17 15171 SMEG e2ueuojure y I8LI0 5 Chart Cassette and Display Assembly 6 2 Customer Maintenance Parts List Dot Mod
44. R ASSY 3 ER EL Lil B8800ST RS422 OR NO TO WIRE DOT Ts 1 B8800SU ETHER _____________________ i MOTOR 185232 BOARD CARD 2 TO RIBBON FEED 6 iB8800SN RS422 1 880052 MOTOR 1B8800SP ETHER 2 1 4 paad T AK RR s CN3 I FROM 501 UTD TOE 8895 0 CPU BOARD ASSY gt o B8803VA B8800SD FIRM a TO RIBBON ZERO 94 SENSOR a 8 gt gt DISPLAY ASSY 8802 5 1 r cNi NM V icd BATTERY ASSY 2 1 ITO CHART SENSOR pe B9905WD O r 4 assy TO FLASH ROM WRITER i B9905XW za Chapter 6 Customer Maintenance Parts List 6 1 Customer Maintenance Parts List Pen Model Note Parts marked with a Osymbol are Customer Maintenance Parts CMP SM 04P02B01 01E 6 1 15 SMEG e2ueuojure y 01 9 6 1 Customer Maintenance Parts List Pen Model Complete Set WAS TINY YI V 5 N 41 zd NEN 4 S tc Sz 2 25862 25512 5605 lt 68 2 lt lt 455 B S HEEL 2 gt GS ka
45. Screw tightening torque 0 20 to 0 26 N m SM 04P02B01 01E Burioejdou 7 4 Disassembly Procedure Pen Model Pen Servo Assembly B8802EF Item 2 on page 6 6 CAUTION If any foreign material adheres to the mechanism of the Pen Servo Assembly that moves the pen carriage malfunction can occur If any foreign material adheres to the bottom of the Pen Servo Assembly that foreign material can fall onto components during assembly and cause malfunction Before assembly visually inspect the mechanism that moves the pens and the bottom to confirm that no foreign materials have accumulated and if necessary use an air blower to clean the affected areas Pen Arm Assembly 1 Open the internal unit 2 Remove the Plotter Assembly 3 Remove the Pen Driver PCB FPC from the Pen Servo PCBs CN5 Pen Servo PCBs 4 Remove the two screws securing the Pen Servo Assembly then pull out the assembly Screw tightening torque 0 59 to 0 69 N m Oa CAUTION not apply oil 7 10 SM 04P02B01 01E 7 4 Disassembly Procedure Pen Model 5 Note Remove the screw securing the Pen Base Bracket and Servo Top Cover Screw tightening torque 0 39 to 0 49 N m gt Remove the Pen Servo PCBs which secured by latches to the Pen Servo Assembly The connectors connected to the FPCs from the Pen Servo Assembly on the Pen Servo PCBs do not have a loc
46. Service Model 437101 437102 437103 437104 Manual 4371 06 4371 12 4371 18 437124 uR20000 YOKOGAWA SM 04P02B01 01E 1st Edition Yokogawa Electric Corporation Important Notice to the User Trademarks 1st Edition March 2006 YK This manual contains information for servicing YOKOGAWA s uR20000 Check the serial number to confirm that this is the correct service manual for the instrument to be serviced Do not use the wrong manual Before any maintenance and servicing read all safety precautions carefully Only properly trained personnel may carry out the maintenance and servicing described in this service manual Do not disassemble the instrument or its parts unless otherwise clearly permitted by this service manual Do not replace any part or assembly unless otherwise clearly permitted by this service manual In principle Yokogawa Electric Corporation YOKOGAWA does not supply parts other than those listed in the customer maintenance parts list in this service manual mainly modules and assemblies Therefore if an assembly fails the user should replace the whole assembly and not components within the assembly see If the user attempts to repair the instrument by replacing individual components within the assembly YOKOGAWA assumes no responsibility for any consequences such as defects in instrument accuracy functionality reliability or user safety hazards YOKOGAWA does not offer more detailed main
47. an 4 9 Adjusting the Printer Position 4 10 Adjusting the Height of the Carriage Wo Woo WWW WWW Wo WWW 4 12 Schematic Diagram 5 1 Schematic Diagram Pen Model WWW 5 1 5 2 Schematic Diagram Dot 5 2 Customer Maintenance Parts List 6 1 Customer Maintenance Parts List Pen Model 0 040 0 00 6 1 6 2 Customer Maintenance Parts List Dot Model 6 15 Replacing Parts 7 1 Before Replacing ennemis 7 1 Notes When Replacing 7 1 Testing after Replacement of Parts emen 7 1 Torque Driver and Tightening 7 1 7 2 ReplaGable Euer i aan 7 2 7 3 Disassembly Procedure Common Items oooocooooWoWoWo WoWoWoWo WoWoW 7 3 Internal Unit Frame 7 3 Display Assembly B8802CA C 7 5 Battery Assembly B99OSWD 7 6 Chart Paper Feed Motor 9905 5 7 7 7 4 Disassembly Procedure Pen Model 7 8 Plotter Carriage 9905 ooooooooWo WoWoWo 7 8 Plotter Motor B9905NS cre gn puasa rite ec Dev 7 8 Lever
48. ase Screw tightening torque 1 37 to 1 47 N m 7 4 SM 04P02B01 01E 7 3 Disassembly Procedure Common Items Display Assembly 8802 Item 1 on pages 6 4 and 6 18 1 Open the internal unit 2 Remove the Display Assembly FPC from the Pen Driver PCB CN5 Dot Driver PCB CN7 FPC Lift the cable lock Remove the FPC Cable Lock 3 Remove the FPC Clamp from the internal unit and pull the FPC out from the FCP Clamp FPC Clamp FPC Clamp and FPC as a set 4 Remove the screw securing the VFD Holder press the VFD Holder latch with a pair of tweezers then remove the VFD Holder Screw tightening torque 0 59 to 0 69 N m Front SM 04P02B01 01E SHEd Buroejdou 7 3 Disassembly Procedure Common Items Pull the Display Assembly toward you then pull the support point on the right side of the Display Assembly 5 6 Remove the Display Assembly L Battery Assembly B9905WD Item 15 on page 6 8 and item 16 on page 6 22 1 Open the internal unit 2 Remove the Battery Assembly cable while holding down the CPU Assembly connector CN1 and cable Wb 76 1 70 6 mbly 3 Release the Clamp latch then remove the Battery Assembly SM 04P02B01 01E 7 6 7 3 Disassembly Procedure Common Items Chart Paper Feed Motor B9905GS Item 11 on page 6 5 and itme 15 on page 6 19 1 Remove the internal unit 2 Remove the Moto
49. ct the value using the WA key You can hold down the SHIFT key while pressing VA key or 1 gt key to reverse the key s action 4 10 SM 04P02B01 01E 4 3 Adjustments to the Dot Model Adjusting the Full Position 9 Select Adj Full then press the lt key The adjustment value input screen in displayed P Adj Full 10 Adjust the numerical value so that the pen recorder position is in alignment from the 0 position of the z fold chart paper to the 180 mm position Full 4 30 30 B 1000 11 When the adjustment is complete press the lt key You are returned to the Hysteresis Zero Full selection screen Saving Adjusted Values 12 When all adjustments are finished select Mode End then press the lt key Mode End 13 With End Store displayed press the lt key The adjusted value is saved End Store Concluding Adjustments 14 Select Menu End then press the lt key You are returned to the normal Menu End 5 3 Select using the VA key To enter numerical values move the cursor to the entry point using the 1 gt key Select the value using the WA key You can hold down the SHIFT key while pressing VA key 1 p key to reverse the key s action SM 04P02B01 01E 4 11 sjueunsn py B 4 3 Adjustments to the Dot Model Adjusting the Height of the Carriage Overview This is an adjustment of the clearance between the carriage and the plate
50. d Corrective 2 2 Chapter 3 Testing 2 1 Test ua na ua a AE E aaa ia anta 3 1 3 2 Self Diagnostic Iestu et trt dat be a ipo An tees 3 2 3 3 Performance 3 3 Test Environment ina maan hana Sean maba 3 3 Test Instruments E 3 3 Key Operations on the Recorder Woo WWW WWW maan 3 4 5 5 aid tere Hae BEN le En aa am ananda 3 7 34 3 8 Insulation Resistance er eee ee it bn b anna 3 8 Protective Grounding mane nenen GRE LR 3 8 Withstand Voltage inang 3 9 Measurement ain mna naa maen angan 3 9 Channel to Channel Error 3 11 hapa ana Ea aan angan anna 3 11 Reference Junction Compensation 3 12 essen Tea abuse ban ina 3 12 KOS iin ced idis nanah aa an ena nga badan gua 3 13 Power Supply Frequency Detection oooooWo oWoWo WoWomoW Woo WWW 3 13 M M 3 13 Recording ER 3 14 Z Fold Chart Paper Feed Accuracy oooWo WooWooW oo WWW WWW WWW 3 14 Dead Band Pen Model ooooooroWoo mo 3 15 Pen Offset Pen I
51. djustment is complete press the lt key You are returned to the Zero Full selection screen Repeat steps 4 to 7 to adjust all pens Adjusting the Full Position 8 10 11 Select Adj Full then press the lt key P Adj Full Select the number of the pen to adjust then press the lt key Pen No 1 1 4 Adjust the numerical value so that the pen recorder position is in alignment from the 0 position of the z fold chart paper to the 180 mm position Full 2 45 15 B 3026 2 5 2 e n 3 3 s a E gt lt lt c 5 C N lt lt 4 5 e 5 5 Repeat steps 8 to 11 to adjust all pens 12 13 When all pen adjustments are finished select Mode End then press the a4 ey Mode End gt With End Store displayed press the lt key The adjusted value is saved End Store Concluding Adjustments 14 Select Select Menu End then press the lt key You are returned to the operation mode Menu End using the VA key To enter numerical values move the cursor to the entry point using the lt 1 gt key Select the value using the WA key You can hold down the SHIFT key while pressing VA key lt p key to reverse the key s action 4 6 SM 04P02B01 01E 4 3 A
52. djustments to the Dot Model Adjusting the A D Converters Overview Enter the value determined for each range perform measurement then write the adjusted values to the A D converter Instruments Used Instrument Specifications DC voltage generator Accuracy 0 005 of setting 1 uV or better Resistors 10 2 50 100 2 150 300 2 Accuracy 0 01 or better Channel Enter the Zero value for channel 1 and the Full value for channel 2 and perform the adjustment Procedure Connection UUA When DC range OOH Channel 1 Channel 2 DC Voltage standard Full value DC Voltage standard Zero value UUA Unit Under Adjustment Input Value UUA When RTD or Cu range bX BYA Channel 1 bX BXA Channel 2 DECADE RESISTANCE BOX Full value DECADE RESISTANCE BOX Zero value Same as the pen model See page 4 2 SM 04P02B01 01E sjueunsn py B 4 3 Adjustments to the Dot Model Procedure 1 Press the and keys while turning ON the power Menu A D Adjust is displayed 2 With Menu A D Adjust is displayed press the lt key Menu A D Adjust 3 Input the password see page 3 6 Password 4 Select Mode Cal Exec then press the lt key Mode Cal Exec 5 Select A D No 1 then press the lt key A D No 1 6 Select Range 20 mV Range 20mV 7 Enter the zero value for the 20 mV range on channel 1 and the Full value on
53. earth terminals Between input terminals 1 0 1mA Short the odd and even channels of the A B and b terminals and measure between odd and even channels Between the relay contact 1 5 1mA With the A1 A2 A3 A4 output terminals and A5 or F1 option Short all earth terminals relay contact output terminals Between remote control 500 VDC 0 1 mA With the R1 option input C terminal and earth terminals 1 With the P1 option the applied voltage is 1 0 2 With the dot model without the N2 option exclude the b terminal The b terminals connected to all channels Measurement Accuracy Overview Tests the measuring accuracy of the recorder The measurement accuracy test is performed in one of the following ways One representative channel for each A D converter is tested and the channel to channel error between the representative channel and other channels is tested see next item The pen model uses one A D converter A D 1 for both channels 1 and 2 and another A D 2 for both channels 3 and 4 Choose channel 1 or 2 to test A D 1 and channel 3 or 4 to test A D 2 The dot model uses a single A D converter for channels 1 through 24 Choose any one of channels 1 through 24 to test the A D converter The measuring accuracy of all channels is tested separately Test Instruments Instrument Specifications DC voltage generator Accuracy 0 01 of setting o
54. ecord Measure the recorded results using a Glass scale or equivalent then confirm that the results meet the criteria below Criteria Input Criteria 2 V 0 0 5 mm 1V 45 0 5 mm 90 0 5 mm 1V 135 0 5 mm 2V 180 0 5 mm Note These criteria do not include the measurement accuracy When taking the measurement accuracy into account the criteria are measurement accuracy 0 5 mm Z Fold Chart Paper Feed Accuracy Procedures 1 Tum ON the power switch while pressing the menu and keys Menu A D Adjust is displayed 2 Select Menu Test and press the lt key Choose Test Print and press the lt key 4 Select Menu Chart and press the lt key The recorder starts feeding paper then stops after approximately 500 mm Time ticks are printed between the start and stop of paper feeding Check that the space between the two time ticks d1 d2 d3 in the figure below satisfies the criterion below Measure using a Glass scale or equivalent Criterion 500 0 4 mm Time ticks e d3 measured with a Glass scale d2 Number of scale intervals x 12 5 mm d1 measured with a Glass scale Select using the WA key You can hold down the SHIFT key while pressing WA key to reverse the key s action 3 14 SM 04P02B01 01E 3 4 Test Procedures Dead Band Pen Model Procedures Check the accuracy of all
55. el gt 6 Ot nant o rrr r o UN cg See 1 2 SN 52 lt ona Or 5989555 Eoo Sa Pro LA EX TRANS CN gsr Son 2 NS NA 25 55 Svid vs YA ANN s AWA BORAT FR NIC 2 gt Er VE ye NI 7 2 w AR N 2 4 N Saihuspe E 1 j LOW 5 CCCCC LAN lt Ds y 839852 8 7 NN fe m 5 MOR yy N NAAN YAN ff 6 amp pg yy VAV Oa VZNS 5 BANAN y a AN E N B gt 5 4 gt 10 1 25 4 ot lt m lt 2 ooo o gt 25 Z Sia ns 2 7 4 555 l iz gt otro 5 os CC gt gt 52 250920 4 C C osson 99025 8 585 saos 2296 AA gt 9 gt Oonzoo JONAS gt Tuum e que feumO ZimsN lt 2 20 950600056 arte ASADA GONDO ANON CCCCC C CCC CCCCC Tlooomo ooooo BAAD ooooo BAGH gt co m m m gt gt m acosio On T
56. en 100 000 characters Pen Assembly B9902AR When printing continuously Display 5 years Display Assembly B8802CA Chart paper feed motor 5 years Motor Assembly B9905GS Plotter carriage 5 years Carriage Assembly B9905NB Plotter motor 5 years Motor Assembly B9905NS For the X axis Lever bearing 5 years Lever Assembly B9900RH For the plotter Pen servo 5 years Pen Servo Assembly B8802EF Shared by all pens excludes the Pen Arm Assembly Internal light LED 2 years LED Assembly B8800CR The half life of the brightness at the factory default brightness setting Dot Model Z fold chart paper Replacement Period 41 days Part Name Chart B9573AN When used at 20 mm h Quantity Used Ribbon cassette 3 months Ribbon Cassette B9906JA Display 5 years Display Assembly B8802CA Chart paper feed motor Motor Assembly B9905GS Pulley 3 years Pully B9901EY For the carriage Carriage motor 5 years Motor Assembly B9906FX Carriage 5 years Carriage Assembly B8803BB Ribbon shift motor 5 years Motor Assembly B9906FS Ribbon shift gear box 5 years Ribbon Swing Gear Assembly B8803BS Ribbon feed motor 5 years Motor Assembly B9906GL Ribbon feed gear 5 years Gear B9906GN B9901HM B9901HN
57. eration Describes the principles of operation of the recorder Troubleshooting Lists problems that can occur and gives corrective actions Testing Gives procedures for testing the performance of the instrument Adjustments Explains how to adjust the instrument Schematic Diagram Provides a system configuration diagram Customer Maintenance Parts List Contains exploded views and a list of replaceable parts Replacing Parts Provides procedures for replacing components of the recorder Specifications are not included in this manual For specifications refer to the 20000 Recorder User s Manual IM 04P02B01 01E SM 04P02B01 01E Contents Important Notice to the USGr cete te pe toenail Ere rdi tbe an a i x den ena a tide ge ud ten dt ge ava i Introduction ERE ii Safety Standards and EMC ii Precautions Related to the Protection Safety and Alteration of the Product ii Exemption from iii Conventions Used in This Manual iii Overview of This Manual Chapter 1 Principles of Operation 1 1 Principles of Operatlon ie edi ana na 1 1 Chapter 2 Troubleshooting 2 1 Failure Analysis and Repair Procedures oom 2 1 2 2 Failures an
58. est Key screen L IL IL I IL II IL I Enter 2 ESC Out Select using the VA key You can hold down the SHIFT key while pressing WA key to reverse the key s action Power Supply Frequency Detection Procedures 1 Turn ON the power switch while pressing the MENU and keys Menu A D Adjust is displayed 2 Select Menu Test and press the lt key 3 Choose Test Frequency and press the lt key The detected power supply frequency is displayed Confirm that it matches the actual power supply frequency Frequency 50 0 2 Select using the VA key You can hold down the SHIFT key while pressing WA key to reverse the key s action Battery Backup 9 Procedures 1 Set the date and time on the recorder Also set an arbitrary channel the 20 mV range 2 Turn OFF the power switch 3 Turn ON the power after approximately one minute then check that the set date time and range are not initialized SM 04P02B01 01E 3 13 3 4 Test Procedures Recording Accuracy Overview Set the channels to the 2 V range and confirm that the recording accuracy is within the criteria Pen Model Check the accuracy of all pens Use standard pens or equivalent A standard pen is one whose tip does not fluctuate more than 0 1 Dot Model Check an arbitrary channel Recorder Settings Set the input to the 2 V range and 2 000 V to 2 000 V 9 Procedures Input values equivalent to 0 25 50 75 and 100 and r
59. est execution Repaired SM 04P02B01 01E 2 1 2 2 Failures and Corrective Actions The table below describes the most common types of failures and their corrective actions Phenomenon No power Description Condition of power supply connection Power supply voltage Refer to chapter 6 Peripheral wiring of the CPU Assembly Power Assembly CPU Assembly Other Assemblies power supply part short Fail display option F1 Date time is initialized CPU Assembly DE Voltage and connection of Battery Assembly CPU Assembly Battery Assembly Problem with key operation Problem with display Turning OFF the key lock function FPC connection between Display Assembly and Pen Dot Driver PCB v L pes FPC connection between Display Assembly and Pen Dot Driver PCB v Display Assembly Pen Model Pen recording quality poor Pen axis load condition of shaft abnormal noises etc Adjust the recording position Pen Servo Assembly Pen Model Pen does not move Error message Error 963 gt PEN1 Error message Error 964 gt PEN2 Error message Error 965 gt PEN3 Error message Error 966 gt PEN4 Check whether the recorder has started as well as the pen axis load abnormal noises etc FPC connection between Pen Servo Assembly and Pen Servo PCB FPC connection between Pen Servo PCB and Pen D
60. ever Assembly 40 Y9206LS 1 11111 Screw M2x6 41 Y9306LB 2121212 Screw M3x6 Note CMP SM 04P02B01 01E 6 7 15171 SMEG e2ueuojure y I8LI0 5 6 1 Customer Maintenance Parts List Pen Model CPU and Rear Panel Assembly 1 2 e e ANN 6 LIK 24 29 2726 27 232528 30 SM 04P02B01 01E 6 8 6 1 Customer Maintenance Parts List Pen Model CPU and Rear Panel Assembly 2 2 Qty 5283 SR Item PartNo 3333 Description 1 B8802BK 1111 Case Assembly 2 B8802FA 1111 Rear Panel Assembly not P1 select B8802FB 1111 Rear Panel Assembly P1 3 Y9305LK 6 6 6 6 Screw M3x5 4 B8802FL 1111 Option Bracket select 1 5 Y9305LB 222 2 Screw M3x5 6 B8803SE 1111 12 Option Mother PCB select 1 7 Y9305LB 4444 Screw M3x5 8 B9905RX 1111 Rod 9 Y9405LB 1111 Screw M4x5 10 A9099KY 2222 Clamp select 1 11 B8802FG 1111 Bracket Assembly 12 Y9305LB 5 5 5 5 Screw M3x5 13 B8802SG 1111 Pen 20000 Mother PCB 14 B9905RW 1111 Clamp 15 B9905WD 1111 Battery Assembly 16 B8800SE 1122 AD Board PCB select 17 B8800SH 112 2 2ch Scanner PCB select 18 Y9305LK 1111 Screw M3x5 19 B8802FM 1111 Board Bracket 20 Y9305LB 1111 Screw M3x5 21 B8800JP 1111 Power Assembly not P1 select B8800JQ 1111 Power Assembly P1 1111 Terminal Assembly see page 6 11 22 Y9305LB 222 2 Screw M3x5 23 B8
61. g the parts other than the chart paper pens ribbon cassette and internal light LED be sure to check them by performing the insulation resistance test withstand voltage test and protective grounding function see chapter 3 Torque Driver and Tightening Torque Torque Driver The recorder uses M2 3 M3 and M4 screws Use the appropriate screw driver for each type of screw Screw Tightening Torque Tighten screws with the torque below unless a different torque is specified in a particular instruction In that case use the specified torque instead Screw Diameter Tightening Torque Bit No M2 3 0 17 to 0 23 N m 1 0 59 to 0 69 N m 2 M4 1 37 to 1 47 N m 2 The screw tightening torque for the Input Terminal Assembly Option Terminal Assembly and Mother Board Assembly is 0 39 to 0 49 N m SM 04P02B01 01E 7 1 syed 7 2 Replacable Parts The recommended replacement periods for wearable parts ones with limited lifespans is given in the table below The replacement periods are based on standard operating conditions The actual replacement period should be determined depending on the actual operating conditions Pen Model Z fold chart paper Replacement Period Part Name Chart B9573AN When used at 20 mm h Quantity Used Felt pen Pen Assembly B9902AM B9902AN 9902 B9902AQ Red Green Blue Violet At a pen speed of 10 cm s Plotter p
62. he password see page 3 6 then press the lt key 4 Select Sub Rib shift then press the lt key Sub Rib shift 5 Select Rib shift Exec then press the lt key The ribbon shift adjustment pattern starts printing and the adjustment value entry screen appears Rib shift Exec Purple 6 Adjust the numerical value so that the concentration of purple and red is almost the same R Adjust 17 7 After finding the right adjustment value press the lt key Saving Adjusted Values 8 When all adjustments are finished select Mode End then press the lt key Mode End 9 With End Store displayed press the lt key The adjusted value is saved End Store Concluding Adjustments 10 Select Menu End then press the lt key You are returned to the operation mode Select using the VA key To enter numerical values move the cursor to the entry point using the lt gt key Select the value using the WA key You can hold down the SHIFT key while pressing VA key 1 p key to reverse the key s action SM 04P02B01 01E 4 9 sjueunsn py B 4 3 Adjustments to the Dot Model Adjusting the Printer Position Overview This is an adjustment of the printer position to make the recording position to 180 mm The adjustment is performed when the recording accuracy is outside the criterion or when internal components have been replaced Conditions
63. ic functions to enhance reliability in measurement and serviceability When you turn ON the power the recorder will automatically execute the following types of diagnoses alternately and display the results After these tests are completed the recorder is ready for use _ woh Main program Flash ROM test Main RAM write read test A D and A D EEPROM test Memory acquisition test write test from Flash Mechanical system test Ethernet module test The table below shows the results of the self diagnostic tests when a problem is detected Error display secondary copy error Flash Device error Flash SUM error Flash Data error RAM failure Possible Cause Problem with CPU Assembly A D error EEPROM write error Problem around the A D Board PCB or EEPROM A D calibration value error A D calibration is in the wrong order Problem with the A D Board PCB or wrong adjustment data value for the A D Board PCB Memory acquisition failure Problem with CPU Assembly The ethernet module is down Problem with the COMM PCB or CPU Assembly A D number error Problem with the A D Board PCB installation of the A D Board PCB out of spec Ribbon error Dot model Problem with the ribbon shift mechanism or Dot CPU Assembly Printer error Dot model Abnormal movement of the printing carriage or problem with the Dot CPU Assembly Plotter error Pen mode
64. ideration the replacement of assemblies offers the user the possibility to use YOKOGAWA instruments more effectively and economically with a minimum in downtime Adobe Acrobat and PostScript are trademarks of Adobe Systems Incorporated For purposes of this manual the TM and symbols do not accompany their respective trademark names or registered trademark names Company and product names that appear in this manual are trademarks or registered trademarks of their respective holders All Rights Reserved Copyright 2006 Yokogawa Electric Corporation SM 04P02B01 01E Introduction This manual contains information for servicing YOKOGAWA s uR20000 Note This is the first edition of the manual dated March 2006 This service manual is to be used by properly trained personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to the safety precautions prior to performing any servicing Even if servicing is carried out according to this service manual or by qualified personnel YOKOGAWA assumes no responsibility for any result occurring from that servicing Safety Standards and EMC Standards This recorder conforms to IEC safety class provided with terminal for protective grounding Installation Category II Measurement Category II CAT II and EN61326 1 EMC standard class A use in a commercial industrial or business environment This recorder is designed for i
65. instrument have high voltages External Connection Connect the protective grounding before connecting to the item under measurement or to an external control unit Damage to the Protective Structure Operating the recorder in a manner not described in this manual may damage its protective structure Exemption from Responsibility YOKOGAWA makes no warranties regarding the product except those stated in the WARRANTY that is provided separately YOKOGAWA assumes no liability to any party for any loss or damage direct or indirect caused by the user or any unpredictable defect of the product Conventions Used in This Manual WARNING Calls attention to actions or conditions that could cause serious or fatal injury to the user and precautions that can be taken to prevent such occurrences CAUTION Calls attentions to actions or conditions that could cause light injury to the user or damage to the instrument or user s data and precautions that can be taken to prevent such occurrences SM 04P02B01 01E Overview of This Manual This manual is meant to be used by qualified personnel only Make sure to read the safety precautions at the beginning of this manual as well as the warnings and cautions contained in the chapters relevant to any servicing you may be carrying out This manual contains the following chapters Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Principles of Op
66. king mechanism Inserting and removing them repeatedly can result in worn and defective contacts SM 04P02B01 01E 7 11 SHEd Buroejdou 7 4 Disassembly Procedure Pen Model 9 Remove the three pins securing the Pen Servo Assembly The tips of the pins form latches To remove them squeeze the tips using a pair of tweezers then pull out the pins Pin Latch 10 Remove the Pins from the Pen Base Bracket then remove the Pen Servo Assembly Pin 11 Remove the Pen Arm Assembly while pushing the Pen Arm Shaft of the Pen Servo Assembly Pen Arm Assembly Arm No 2 T Pen Pen Shatt T Note An Arm number is indicated on the Pen Arm Assembly Attach each pen correctly If the pens are attached incorrectly the Pens will interfere with each other 7 12 SM 04P02B01 01E 7 4 Disassembly Procedure Pen Model 12 Pull out the Pen Arm Shaft and Spring from the Pen Carriage Spring 7 Pen Arm Shaft SM 04P02B01 01E 7 13 SHEd Burioejdou 7 5 Disassembly Procedure Dot Model Ribbon Feed Motor B9906GL Item 22 on page 6 20 Ribbon Feed Gear B9906GN B9901HM B9901HN Items 19 to 21 on page 6 20 1 Remove the internal unit Ribbon Holder Assembly 2 Remove the Ribbon Feed Motor cable from the Dot Driver PCB 5 3 Remove the three pins and four screws that secure the Plate then remove the
67. l Problem with Pen CPU Assembly Pen 1 error Pen 2 error Pen 3 error Pen 4 error Pen model Abnormal movement of the Pen Servo Assembly or problem with the Pen CPU Assembly SM 04P02B01 01E 3 3 Performance Tests Read the warning and cautions below before beginning tests Circuit patterns of the printed circuit board are exposed Be careful when handling so that hands or fingers are not injured by the protruding pins CAUTION Circuit patterns of the printed circuit board are exposed If other metallic materials touch these patterns electrical shorting will occur causing the circuit to be damaged or burnt Itis sometimes necessary to turn the recorder upside down for adjustment Do not drop the instrument or allow it to fall over Test Environment Item Conditions Ambient temperature 23 5 C Relative humidity 55 20 Atmospheric pressure 86 kPa 106 kPa Power supply voltage Nominal voltage 1 Power supply frequency Nominal frequency 1 Power supply waveform Distortion factor of 5 or less DC power supply ripple Content ratio of 0 1 or less Vibration A value having negligible effects on the instrument Position Within 3 of the specified position Interference A value that does not affect the measured results Electrical field A value that does not affect the measured results Magnetic field A value that does not affect the measured resu
68. lts Atmospheric pollutants Levels of corrosive gasses vapors salts and dust that do not affect the measured results Other external effects A value that does not affect the measured results 1 Interference refers to common mode noise series mode noise power supply noise and other phenomena in the signal line 2 Other external effects include luminance draft ultrasonic waves and radiation Test Instruments Instrument Specifications DC voltage generator Accuracy 0 01 of setting or better DMM Accuracy 0 01 of rdg or better Variable resistors Accuracy 0 01 2 mQ or better Insulation tester 500 VDC Withstand voltage tester 1kto 1 5 Glass scale 185 mm or more SM 04P02B01 01E 3 3 3 3 Performance Tests Key Operations on the Recorder The recorder has the following modes The following is an explanation of how to enter and exit each mode Operation Mode The mode in which the instrument is operated The instrument enters this mode when the power is turned ON Setting Mode This mode is for entering the input range alarms and other settings Hold down the MENU key for three seconds or longer while in operation mode to enter this mode To return to operation mode hold down the CM M key for three seconds again In this mode the functions of the keys are those printed above the keys in characters and symbols ESC SHIFT
69. mple perform the test on channel 1 and channel On dot model check an arbitrary channel Check the action in the following cases Connect 2 between the channel s A terminal and B terminal Set that channel s thermocouple type to K and check that a value close to room temperature is displayed Connect 82 and 0 1 uF in parallel between the channel s A terminal and B terminals Set that channel s thermocouple type to K and check that the displayed value is B out SM 04P02B01 01E 3 4 Test Procedures Reference Junction Compensation Accuracy Procedures Set all channels to thermocouple type T Measure 0 C on one of the channels and check that the display is within the criteria below Criterion 0 3 C to 0 4 C Calibrated thermocouple wires L on Gl L CI CM C re 0 C standard temperature device ICI Model ZC114 from Coper Electronics Co Ltd or equivalent lo Input terminals rl FA JELRE Use a calibrated thermocouple and wires of 0 5 diameter or less without a terminal chip Also pay attention to the measurement accuracy Monitor the 0 C standardized temperature bath at all times and confirm that it is within 0 0 01 C When using 0 C standard temperature device the tip of the thermocouple floats 10 mm off the bottom Perform the test a stable environment
70. n The adjustment is performed when the Adjust Shaft Assembly is replaced Tools Used Gauge B9901JZ Carriage height adjustment clearance gauge 1 3 mm thick tolerance 0 005 to 0 03 mm 1 2 mm thick tolerance 0 01 to 0 035 mm 8 1 1 mm thick tolerance 0 005 to 0 03 mm Reference Value Adjustment reference value 1 2 mm 0 1 mm Procedure 1 Pass the Main Shaft and Adjust Shaft Assembly through the hole in the carriage assembly while inserting them into the internal unit 2 Move the carriage near the center e Remove any chart from the Chart Cassette Assembly and install the assembly 4 Align the Gauge with the Platen then adjust the angle of the Adjust Shaft Assembly so that the clearance between the Carriage Assembly and the Platen is within the reference value range and secure with a screw Screw tightening torque 0 59 to 0 69 N m Carriage Assembly 1 2 mm 0 1 mm 8 Main Shaft Platen 6 2 6 1 Adjust Shaft Assembly Right carriage rises SM 04P02B01 01E 310 10920dt0 NS OPTION TERMINAL 1 PTION TERMINAL 2 TO MOTOR TO MOTOR
71. nd press the lt key 5 Choose Test Loop Back and press the lt key Confirm that OK is displayed If ERROR is displayed check the connection to the network Select using the VA key You can hold down the SHIFT key while pressing VA key to reverse the key s action Z Fold Chart Paper End Detection Procedures This test performed when the F1 option is specified Confirm the status below Status Criterion Chart paper present The CHART END indicator is out No chart paper present The CHART END indicator illuminates Other Functions in Test Mode In addition to the tests described up to now you can perform the following tests in test mode They are not described in detail in this manual Menu Description Test gt Print gt Analog Tests the analog recorder recording quality Test gt Print gt Plotter Tests the plotter pen recording quality pen model Test gt Print gt Pen Hold Aligns the pens to the position when the recorder is shipped pen model Test gt Memory Performs a test of the SRAM The display for normal status is 0000 Test gt Version Displays the firmware version Test gt Ram Clear Initializes the setup data and returns to operation mode 3 18 SM 04P02B01 01E Chapter 4 Adjustments 41 Before Making Adjustments This chapter describes adjustments of the A D converters recording position pen speed pen model and ink ribbon dot model En
72. ndoor use Precautions Related to the Protection Safety and Alteration of the Product The following safety symbols are used on the product and in this manual Handle with care To avoid injury and damage to the instrument the operator must refer to the explanation in the manual Protective ground terminal AC High temperature To avoid injury caused by hot surface do not touch locations where this symbol appears For the protection and safe use of the product and the system controlled by it be sure to follow the instructions and precautions on safety that are stated in this manual whenever you handle the product Take special note that if you handle the product in a manner that violate these instructions the protection functionality of the product may be damaged or impaired In such cases YOKOGAWA does not guarantee the quality performance function and safety of the product When installing protection and or safety circuits such as lightning protection devices and equipment for the product and control system or designing or installing separate protection and or safety circuits for fool proof design and fail safe design of the processes and lines that use the product and the control system the user should implement these using additional devices and equipment f you are replacing parts or consumable items of the product make sure to use parts specified by YOKOGAWA This product is not designed or manufactu
73. nverter that suppresses the effects of noise on the input signal With dot models data is converted from the 6 channel per second model and the 12 to 24 channels per 2 5 seconds model UART Universal Asynchronous Receiver Transmitter Performs serial communications with the CPU via a photocoupler EEPROM Stores data modified by the A D converter Pen Servo Pen Model Balances the pen in the recording position Uses a compact lightweight motor with a photoencoder The motor is attached to the pen carriage and moves with the pen The revolution of the motor is controlled by PWM signals from the CPU Plotter Pen Model The pen model includes an XY plotter for printing The plotter consists of an X axis motor positioned in the plotter assembly the Y axis motor installed in the carriage and a solenoid for moving the pen up and down Printing Mechanism Dot Model Uses a field proven six color wire dot printing system Also follows a raster scan method that helps maintain the life span of the drive train wire It consists of a driver board carriage motor ribbon shift motor and other components The printing carriage moves in alternation from left to right and right to left every recording interval and prints measured values When the printing carriage moves from left to right measured values are printed in the appropriate order starting on the left When the printing carriage moves from right to left measured values are p
74. on Terminal Assembly 35 B8800NP 1 Option Terminal Assembly 36 2 B8800KG 1 Option Cover Assembly 3 Y9308LB 1 Screw M3x8 4 Y9318LB 1 Screw M3x18 5 A1447JZ 1 Access of Conn 6 B8802GA 1 Option Terminal Assembly 45 47 49 51 94 96 select B8802GB 1 Option Terminal Assembly 53 to 64 98 to 103 6 7 B8800KG 1 Option Cover Assembly 8 Y9308LB 1 Screw M3x8 9 Y9318LB 1 Screw M3x18 10 B8802GA 1 Option Terminal Assembly 46 48 50 52 95 97 select B8803FA 1 Option Terminal Assembly 65 66 67 68 104 105 11 B8800KG 1 Option Cover Assembly 12 Y9308LB 1 Screw M3x8 13 Y9318LB 1 Screw M3x18 14 B8803FB 1 Option Terminal Assembly 69 70 71 72 106 107 15 B8800KG 1 Option Cover Assembly 16 Y9308LB 1 Screw 8 17 Y9318LB 1 Screw M3x18 18 B9905BN 1 Bracket 19 Y9305LK 2 Screw M3x5 20 B8800JJ 1 Terminal Assembly not select B8800JK 1 Terminal Assembly P1 21 E9655FX 3 Screw 22 B8802AJ 1 Cover Assembly not P1 H5 1 select B8802AK 1 Cover Assembly P1 not H5 1 23 Y9305LB 1 Screw M3x5 24 Y9310LB 1 Screw M3x10 not H5 D select Y9314LB 1 Screw M3x14 H5 1 Note O CMP SM 04P02B01 01E 6 25 1 11 Seg e2ueuojure y 5 6 2 Customer Maintenance Parts List Dot Model Terminal Assembly 3 5 Item Part No Qty Description 25 B8801CV 1 Input Terminal Assembly not H2 N2 B8801CX 1 Input Terminal Assembly 2 B8801CY 1 Input Terminal Assembly 2 2
75. ontrols the pen servo mechanism CPU and DRAM Firmware is installed from flash memory to the DRAM The CPU operates according to the program in the DRAM SM 04P02B01 01E 1 3 jo sejdiouud B Chapter 2 Troubleshooting 21 Failure Analysis and Repair Procedures This section describes failure analysis and repair procedures Failure Analysis Procedures Flow Chart 1 2 Determine the type of problem Check for possible user error Check the connections and the settings of equipment to determine whether there was a handling mistake Execute the self diagnostic test by turning the power ON and identify any problem items Analyze the cause of the problem according to the troubleshooting flow chart Do not touch the circuit or parts with live voltage because the power unit contains a high voltage electrical circuit The power unit is furnished with a dedicated cover to prevent electric shock Do not remove this cover Never touch any part not subject to adjustment CAUTION Make sure to connect input terminals voltage or current correctly The internal circuit may be damaged when wrongly connected This flow chart consists of general service operations when a fault occurs This chart is not always suitable for every kind of fault However it is recommended to perform operations according to the flow chart Phenomenon check YES Assembly exchange and adjustment Performance t
76. over 6 9905 1 Chart Sensor Assembly F1 select 25 B9905FT 1 Name Plate 7 B9988DL 1 PT Screw F1 select 26 1 Name Plate 8 B8802DB 1 Main Frame 27 Name Plate 9 B9905GZ 1 Sleeve 10 B9905HA 1 Spring 11 B9905HC 1 Latch 12 B8802DE 1 Switch Lever 13 B9962EN 1 Spring 14 B9988DL 2 Screw 15 Y9401WB 2 Washer 16 B8802DJ 1 Sheet 17 B9905HG 1 Cover Assembly 18 Y9308LB 1 Screw M3x8 19 B9905SH 1 Push Nut Note CMP 6 4 SM 04P02B01 01E 6 1 Customer Maintenance Parts List Pen Model Frame and Chart Motor Assembly B Customer Maintenance Parts List HAS ix e e MK FAK e 2 N Y X N 1 2 KAV TN A 2 Yy CMP 6 5 Note Hinge Assembly Motor Assembly Tapping Screw Chart Feed Gear Assembly CPU DR Joint FPC Pen Driver PCB Shaft Description FPC Clamp Screw Nut Shaft Gear Gear Qty 1 1 1 Part No B8802SB B9905PZ B9905HT Y9401CB B9905HK Y9405LB B9905HQ B9905HS B9905GW B9905GS B9988DL B9905GQ B9905GP B9905GM B9905GN B9905GF B8802DR Item 11 12 13 14 15 16 17 18 SM 04P02B01 01E Pen Servo and Plotter Assembly 1 2 6 1 Customer Maintenance Parts List Pen Model MM 9 KA bw Y TA 5
77. put The reference junction compensation circuit for thermocouples is built in Proven transistor method used for measuring the temperature of the terminals Metal core construction used in the internal printed circuit boards to equalize temperature Input terminals removable Display Panel keys Chart end detection F1 Input Terminal Scanner Switches the measured input signal channel The input signal switching section uses highly reliable solid state relays SSR The pen models use two A D converter one is for channels 1 and 2 the other for channels 3 and 4 On the dot model all channels are driven by one A D converter SM 04P02B01 01E 1 1 V0I16I990 jo B 1 1 Principles of Operation A D Converter ASIC Uses a proprietary one chip ASIC The ASIC is a combination analog digital IC that contains popular CMOS processes The table below shows its configuration Temperature Sensor RJC Amp BiCMOS Analog CMOS Digital 2 L Multiplexer Volt TC UART Digital LJ Controller Scanner Control EEPROM Controller Controls switching of the input signal by the scanner and switching of the A D converter attenuator and RTD TC mode PGA programmable gain amplifier Programmable amplifier with a gain of 1 to 100 times A D Converts analog signals to digital signals Uses a pulse width modulation based integrating A D co
78. r Assembly cable from the Pen Driver PCB CN8 Dot Driver PCB CN9 3 Remove the pins from the two locations while holding the Motor Assembly cable 4 Push the left edge of the bracket then slide the entire bracket to the right while releasing the latch and remove the bracket Push a Bracket A lt 2 gt lt FC to the right 5 Remove the screw securing the Motor Assembly then remove the Motor Assembly Screw tightening torque 0 59 to 0 69 N m SM 04P02B01 01E 7 7 SHEd Burioejdou 7 4 Disassembly Procedure Pen Model Plotter Carriage B9905NB Item 22 on page 6 6 Plotter Motor B9905NS Item 27 on page 6 6 Lever Assembly B9900RH 39 on page 6 6 1 Open the internal unit 2 Remove the Motor Cable extruding from the Plotter Assembly from the Pen Driver PCB CN3 and 3 Remove the two screws securing the Plotter Assembly 4 5 Remove the screw securing the FPC then peel the FPC off of the frame the FPC and Frame are secured with double sided tape Screw tightening torque 0 20 to 0 26 N m 7 8 SM 04P02B01 01E 7 4 Disassembly Procedure Pen Model 6 Remove the two screws securing the Shaft 7 Removing the Plotter Motor 8 Remove the two screws securing the Plotter Motor Screw tightening torque 0 20 to 0 26 N m Removing the Lever Assembly 8 Remove the screw securing the Lever Assembly
79. r better DMM Accuracy 0 01 of rdg or better Variable resistors Accuracy 0 01 2 mQ or better Recorder Settings Set the input range of the channels under test to the test range SM 04P02B01 01E 3 9 3 4 Test Procedures Procedures Warm up the instrument for thirty minutes before performing the test Set the ranges on the recorder and input the values determined for each range Check whether the displayed measured values meet the criteria DC voltage generator OOOOOO To the input terminals Criteria Input Range 20 mV Allowed by Test 3 digits 0 mv 1 digits 20 mV 3 digits 60 mV 6 digits 0 mv 1 digits 60 mV 6 digits 200 mV 3 digits 0 mv 1 digits 200 mV 3 digits 2 V 3 digits 1V 2 digits 0v x1 digits 1V 2 digits 2 3 digits 6 6 digits 6V 0V 1 digits 6 digits 20 3 digits 0v 1 digits 20 V 3 digits Accuracy Specification 0 1 of rdgs 2digits Remarks 50 V 5 digits 2 digits 50 5 digits 0 1 of rdgs 3 digits 200 18 52 Q 0 4 C 0 100 Q 0 2 600 C 313 71 Q 0 9 0 15 of rdgs 0 3
80. red to be used in critical applications that directly affect or threaten human lives Such applications include nuclear power equipment devices using radioactivity railway facilities aviation equipment air navigation facilities aviation facilities and medical equipment If so used it is the user s responsibility to include in the system additional equipment and devices that ensure personnel safety Do not modify this product gt O gt SM 04P02B01 01E Power Supply Ensure that the source voltage matches the voltage of the power supply before turning ON the power Protective Grounding Make sure to connect the protective grounding to prevent electric shock before turning ON the power Necessity of Protective Grounding Never cut off the internal or external protective earth wire or disconnect the wiring of the protective earth terminal Doing so invalidates the protective functions of the instrument and poses a potential shock hazard Defect of Protective Grounding Do not operate the instrument if the protective earth or fuse might be defective Make sure to check them before operation Do Not Operate in an Explosive Atmosphere Do not operate the instrument in the presence of flammable liquids or vapors Operation in such environments constitutes a safety hazard Do Not Remove Covers The cover should be removed by YOKOGAWA s qualified personnel only Opening the cover is dangerous because some areas inside the
81. rinted in the appropriate order starting on the right 1 2 SM 04P02B01 01E 1 1 Principles of Operation Display Panel Keys Offers a variety of display types with a fluorescent character display tube VFD of 181 dots horizontal x 16 dots vertical Seven keys are available for operation and settings White LEDs are installed for illuminating the z fold chart paper The LED can be replaced Power Supply A universal type power supply unit supplying a voltage of 100 V to 240 VAC ata frequency of 50 60 Hz The fuse is built in and cannot be replaced Instruments with the P1 option support 24 VDC AC 50 60 Hz but cannot be used at 100 V to 240 VAC 50 60 Hz CPU The following diagram shows the structure of the CPU Assembly CPU ASIC FLASH interface memory Battery Real time clock FLASH memory The following are saved on the Flash ROM Programs Ribbon shift adjustment data dot model Penservo adjustment data pen model The mac address and related data System configuration data SRAM The following are saved on the SRAM Data deleted in the RAM Clear process backed up by battery Zero Span position Hysteresis adjustment data dot model Data deleted in the RAM Clear process User settings input range etc Battery A lithium battery Backs up the SRAM and real time clock ASIC Contains interface functions for the motor and actuator A D converter display panel key and other items C
82. river PCB Pen Servo Assembly Pen Servo PCB Pen Driver PCB Dot Model Printer does not function Printer error message Error 961 Wiring the Carriage Motor Assembly Dot Driver PCB Carriage Motor Assembly Dot Model Printer carriage moves but the home position zero position is not detected Printer error message Error 961 Printer carriage load noises etc Home position sensor Dot Driver PCB Carriage Motor Assembly SM 04P02B01 01E 2 2 Failures and Corrective Actions Phenomenon Dot Model Printer carriage does not move Description Whether the recorder has started carriage load abnormal noises etc Refer to chapter 6 Carriage Motor Assembly Dot Driver PCB Dot Model Ribbon error message Error 960 Load check Whether the gears mesh correctly Ribbon Shift Motor Assembly Ribbon Swing Motor Assembly Dot Model Ribbon does not feed Is ribbon cassette installed correctly Do the gears mesh correctly Ribbon Feed Motor Assembly Dot Model Printed colors bleed Adjust the ink ribbon Dot Model Trend recording not normal Adjust the recording position Dot Model Print quality poor Adjusting the hysteresis Dot Model Does not print Does the ribbon feed Does the Carriage Assembly wire dot head operate Carriage Assembly Dot Driver PCB
83. s outside the criterion or when internal components have been replaced Conditions Use a standard pen or equivalent A standard is one whose tip does not fluctuate more than 0 1 mm The adjustment matches the Zero position to the 0 position of the z fold chart paper It also aligns the Full position from the 0 of the z fold chart paper to the 180 mm position For measurement use a Glass scale or equivalent Criterion Adjustment criterion within 0 1 mm Procedure 1 Install the pen into the pen arm 2 Press the and keys while turning ON the power Menu A D Adjust is displayed 3 Select Menu Pos Adjust then press the lt key The Zero Full selection screen appears Menu Pos Adjust Select using the VA key To enter numerical values move the cursor to the entry point using the lt 1 gt key Select the value using the WA key You can hold down the SHIFT key while pressing VA key or lt p key to reverse the key s action SM 04P02B01 01E 4 5 sjueunsn py B 4 2 Adjustments to the Pen Model Adjusting the Zero Position 4 Select P Adj Zero then press the lt key P_Adj Zero Select the number of the pen to adjust then press the lt key The adjustment value input screen in displayed Pen No 1 1 4 Adjust the numerical value so that the pen recorder position overlaps the 096 position of the z fold chart paper Zero 42 0 70 When the a
84. tenance and service information than that contained in this service manual All reasonable efforts have been made to assure the accuracy of the content of this service manual However there may still be errors such as clerical errors or omissions YOKOGAWA assumes no responsibility of any kind concerning the accuracy or contents of this service manual nor for the consequences of any errors All rights reserved No part of this service manual may be reproduced in any form or by any means without the express written prior permission of YOKOGAWA The contents of this manual are subject to change without notice Note YOKOGAWA instruments have been designed in a way that the replacement of electronic parts can be done on an assembly module basis by the user YOKOGAWA instruments have also been designed in a way that troubleshooting and replacement of any faulty assembly can be done easily and quickly Therefore YOKOGAWA strongly recommends replacing the entire assembly over replacing parts or components within the assembly The reasons are as follows The instruments use high performance microprocessors large scale CMOS gate arrays and surface mount components to provide state of the art performance and functions Repair of components can only be performed by specially trained and qualified maintenance personnel with special highly accurate tools including costly ones When taking the service life and cost of the instruments into cons
85. ttings can result in incorrect operation of the instrument 3 4 SM 04P02B01 01E 3 3 Performance Tests The Test Adjustment Mode Menu Pen Model A D Adjust Display After specifying the range check change the adjustment value Cal Exec A D No After specifying the range perform the adjustment ae Store Range abort 200mvz 200mve VZ WE 2VZ 2VF 6VZ 6VF 20VZ 20VF Pt100Z Pt100F Cu10Z Cu10F Pt50Z Pt50F End Store 6301 Auto _ Pen No Man End HH Store Abort Up ID Ether GENE __ INFO End H Store Abort zero PenNo j jZer PenNo Key Disp Print Plotter _ Alarm ___ Exec End Note The shaded area is not covered by this service manual SM 04P02B01 01E 3 5 3 3 Performance Tests The Test Adjustment Mode Menu Dot Model A D Adjust 7098 6301 Pos Adjust Display Cal Exec End Hysteresis Full Remote Frequency Memory Loop Back Version Ram Clear A D No A D No A D No Cal Exec Hysteresis Analog Ribbon Chart Relay After specifying the range check change the adjustment value After specifying the range perform the adjustment A D No A D No Range 20mvV 60 200 1V 2V 6V 20V Pt100 Cu10 Pt50 MAC Address GENE DiaG FTPS Store Abort INFO ___
86. tween relay output terminals NO and C You cannot operate the recorder after execution of FAIL output relay test Turn OFF the recorder then turn it back ON again Remote Control Input Overview This test is performed when the R1 option is specified It is performed for all remote control input terminals Procedures 1 Turn ON the power switch while pressing the menu and keys Menu A D Adjust is displayed 2 Select Menu Test and press the lt key Choose Test Remote and press the lt key 4 Connect the remote control input terminal under test to the C terminal and press the lt key The remote control input terminal condition confirmation screen appears Confirm that the display of the corresponding remote control input terminal is 1 Remote Status 00000 5 Press the ESC key to return to the Test Remote screen Repeat the above steps 4 and 5 for all input terminals Select using the WA key You can hold down the SHIFT key while pressing WA key to reverse the key s action w SM 04P02B01 01E 3 17 3 4 Test Procedures Loop Back Test Ethernet Communication Interface C7 Procedures This test performed when the C7 option is specified 1 Connect the recorder to the network 2 ON the power switch while pressing the MENU and keys Menu A D Adjust is displayed 3 Confirm that the indicator on the left of the Ethernet port on the recorder illuminates 4 Choose Menu Test a
87. vironment See section 3 3 Test Environment Operations on the Main Unit See section 3 3 Key Operations on the Recorder Preparation All adjustments are to be made after warming up the recorder for at least thirty minutes SM 04P02B01 01E sjueunsn py B 4 2 Adjustments to the Pen Model Adjusting the A D Converters Overview Enter the value determined for each range perform measurement then write the adjusted values to the AD converter Instruments Used Instrument Specifications DC voltage generator Accuracy 0 005 of setting 1 uV or better Resistors 10 2 50 2 100 2 150 2 300 2 Accuracy 0 01 or better Channel Adjustment of channels 1 and 2 is performed using channel 1 and adjustment of channels 3 and 4 is performed using channel 3 Procedure Connection UUA When DC range UUA When RTD or Cu range Channel 1 or Channel 3 avay Channel 1 A Channel 3 DC Voltage standard DECADE RESISTANCE P BOX LIT UUA Unit Under Adjustment Input Value Input Type Range Zero Full Description DC voltage 20 mV 0 mv 20 mV 60 mV 0 mv 60 mV 200 mV 0 mv 200 mV 1V 0 mv 1V 2V 0 mv 2V 6V 0 mv 6v 20V 0 mv 20V 50V No adjustment needed RTD Pt100 100 2 300 Q Cu10 100 50 Q With the N1 option Pt50 50 2 150 9 With the N3 option 4 2 SM 04P02B01 01E 4 2 Adjustments to the Pen Model

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µR20000 Service Manual