Daqstation MV1000/MV2000 Service Manual
Contents
1. W088 5460888 0950889 _ 5 VAwOLV Assvauvos ASSY 1525 1V2ILH83A MS Qquvog Ms U31U3ANI 9 021 oj Gol IND IND i mm 91150889 090 84 9088 8S 22759 MIDS SOL T ASSY 150 88 awsozes mon 190784 90 88 asntzecsu dNIMOd pedes 243 Abi 233 10 534 i 1190 84111590 98 CCvSu ND ND N21 SN mw fW90 88 190 88 890 88 cECSY 234 9550888 0850888 1190 88 1590 88 an fq ccs 2490 88 m 4560 84 ASSY 5 01522 ASSY gt lassa NOHSSNN S 3450889 1190 89 1490 88 140 0 M eon ex eal ASSY ASSY 915 ASSY QU VO8 YaMOd ATI 490 89 244 IND 12 ND 2 gsn a 3950889 ASSV ASSY QuvOS ASSY QHVO8 NIVW Qquvoag u3MOd NIVW WWOOD 8 W831 H3MOd INJ IND END SND END IND 099519089 090519089 H29 05 5990 89 0509590 89 05 9590 89 PJS d190 88 90 882. Manual MV1000 MV2000 vigilantplant YOKOGAWA SM MV1000 01E Yokogawa Electric Corporation 1st Edition Important Notice to the User 1st Edition April 2008 YK This manual contains information for servicing YOKOGAWA s MV1000 and MV2000 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 Note 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 maintenance and service infor
3. Note Parts marked with a Osymbol are Customer Maintenance Parts CMP The contents of this CMPL are subject to change without prior notice as a result of continuing improvements to the instrument s performance and functions YOKOGAWA Copyright 2007 1st Edition 2007 YK MV2000 01E Yokogawa Electric Corporation SM MV1000 01E 6 9 1571 e2ueuojure y 5 6 2 Customer Maintenance Parts List MV2000 2 Complite Set Part No Qty Description 1 B8806BA 1 Bezel Assembly For English select B8806BB 1 Bezel Assembly For Japanese B8805BG 1 Cover 3 1 Body Assembly see page 3 4 Y9406LB 4 Screw 5 B8806FA 1 Handle Assembly 6 B8805FJ 2 Washer 7 B8805FM 2 Spaser 8 B8805FL 4 Wave Washer 9 B8805BZ 2 Stud 10 B8805FK 2 Screw 11 B8805FC 2 Cap 12 B8805FH 2 Sheet 13 B8805FD 2 Damper 14 B8806AC 1 Name Plate 100VAC 240VAC select B8806AG 1 Name Plate 12VDC 24VDC 15 1 Name Plate Note 16 B8800AY 1 Name Plate 17 1 Name Plate O CMP 18 B8806CW 1 Support 19 B9318JK 4 Foot Assembly CMPL MV2000 01E Nov 2007 6 10 SM MV1000 01E 6 2 Customer Maintenance Parts List MV2000 Body Assembly 1 3 Customer Maintenance Parts List 4 N N 02027
4. terminal block Use a calibrated thermocouple and wires of 0 5 diameter or less without terminal tips Also be sure to take the level of thermocouple error into consideration during testing Monitor the 0 standard temperature device at all times and confirm that it is within 0 0 05 When using 0 standard temperature device ensure that tip of the thermocouple floats about 10 mm off the bottom Perform the test in a stable environment 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 begging measurement Always use terminal covers If the quality is found to be sufficiently stable perform a test on one representative channel for each AD converter Choose any channel number for each A D from those listed in the A D Converter Configuration in section 3 4 Measurement Accuracy Ex With the MV1004 set channels 1 and 3 as representative channels e Test Procedures 1 2 3 Set the date and time Also set an arbitrary channel to the 20 mV range Turn OFF the power switch Turn ON the power after approximately one minute then check that the set date time and range are not initialized SM MV1000 01E 3 4 Test Procedures Pulse Input Function e Overview This test performed when the PM1 option is specified Enter calculation settings
5. M P 3 3 3 4 TestPrOCedulress mene trt eee ted ated 3 4 Insulation TL 3 4 Protective Grounding x 3 4 Withstand Voltage 21er te 3 5 Measurement ACCURACY 3 6 Reference Junction Compensation 3 8 Battery 3 8 Pulse FUNCOM iiio iic reor 3 9 Adjustments 4 1 Before Making AgJustrrients iiie eie onere 4 1 ENVION EM oobi 4 1 Instrument Operation iioi ree Ait dee ade el Ee 4 1 jo ct 4 1 4 2 Adjusting the A D 4 2 Schematic Diagram 51 Schematic Diagram MV 1000 aE Ea ERR 5 1 5 2 Schematic Diagram 2000 222 1 452 tenent 5 2 vi SM MV1000 01E Contents Chapter 6 Customer Maintenance Parts List 61 Customer Maintenance Parts List 1000 6 1 6 2 Customer Maintenance Parts List 2000 6 9 Chapter 7 Replacing Parts LEN cerei c 7 1 Replaceable Parts
6. 51515151515 Part 2 2 2 2 Description 1 B8805CA 11111 Case Assembly 2 B8805DA 11111 Power Assembly 1 select B8805EA 11111 Power Assembly 2 3 B8805DD 11111 Main Assembly 4 B8706RA 111 1 1 1 5 8805 11111111 SUB Assembly 6 B9900BR 11111 Battery Assembly 7 B8706SR 1 AD ISO 4CH B8706TP 1 AD STD 12CH not select B8706TS 1 AD ISO 12CH or N1 N2 8 B8706SR 1 1 50 4 B8706RP 1l AD STD 6CH not N1 N2 B8706RS 1 AD ISO 6CH or N1 N2 select B8706TP 1 1 AD STD 12CH not N1 N2 B8706TS 1 1 AD ISO 12CH or N1 N2 9 B8706MJ 11111 FFC 0 5MM 120mm 10 B8805DF 11111111 select B8805EF 1 1 1 1 1 Assembly 4 11 Y9305LB 111111 Screw 12 B9240DK 1 1 1 1 1 Spring 13 Y9305LB 21212121 2 Screw 14 B8805CN 11111 SW Lever Assembly 15 B9900FH 11 1 1 1 1 Spring 16 B8805CM 11111 17 B9573PZ 111 1 1 1 18 9088 11111 19 Y9305LB 313131313 Screw Nov 2007 CMPL MV1000 01E SM MV1000 01E 6 3 1571 5 6 1 Customer Maintenance Parts List MV1000 Rear Assembly 1 3 Nov 2007 CMPL MV1000 01E SM MV1000 01E 6 4 6 1 Customer Maintenance Parts List MV1000
7. Rear Assembly 2 3 5 Qty _ st als 21515151515 Part Description 1 B8805RA 1 1 1 12 Mother select B8805RB 1 1 24CH Mother PBA 2 Y9305LB 5 5 5 5 5 Screw 3 B8805CL 111111 4 Y9305LB 4144144 Screw 5 B8805AD 1111 111 Name Plate 6 B8805CR 111111111 PW TERM Cover 7 Y9305LB 2 2 2 2 2 Screw 8 B8706ER 11111111 I PWR Terminal 1 not C2 C3 B8706ES 11111111 I PWR Terminal 1 C2 not C3 B8706ET 11111111 I PWR Terminal 1 C3 not C2 select B8706JA 111 24V Power Terminal 2 not C2 C3 B8706JB 111 1 1 1 24V Power Terminal 2 C2 not C3 B8706JC 111 24V Power Terminal 2 C3 not C2 9 Y9405LB 1 1 1 1 1 Screw 10 Y9401WL 111111111 11 1 Terminal Assembly 1 select reference in O 12 1 Terminal Assembly 2 select 1 B9968DN 1 CONN Cover Assembly select chart Note 1 120VAC 240VAC 2 12VDC 24VDC 5 5 3 Terminal Assembly 1 aibi d igi 2 MS CODE MS CODE OPTION CODE PART No TERMINAL OR NOT 1 B8706JP MV1004 2 _ B9968LJ r IN1 N2 B8706HR s 1 IN1 N2 B8706JQ MV1006 N2 B9968LD 2 N1 N2 B9968LM 1 B8706JR MV1008 2 B9968LK IN1 N2 B8706HW 1 N1 N2 B8706JW MV1012 IN1 N2 B9968LH 2 N1
8. is HD vc 40 9se ASSY YAHLOW 40329440 10 L SM MV1000 01E 5 2 Schematic Diagram 2000 290888 9490888 LW 8490888 ASSY 2 2 assy 0808 D3NWABGOLY ASSY QuvO8 amw 1V2IL83A MS 5 1V LNOZIHOH MS q 1u urgoL MS MOd MIDS 234 AA IND IND 89668 3182 MOd 900669 4 Nn90788 Ns90788 aSn ccvsu VW90 88 089669 0 ASSY 54343 LINN H3183ANI avo 49 N190788 Nu90788 851 6258 590 88 n D 5 ane 3182 ANI aS n wneozedwseoed ccvsu Quv2 32 HW90788 fwu9ozsalwusozea 233 8590 88 990 88 ASSY QHVO8 30907881 1590788 asn zzp sy ZNJ 5490 89 _ u3MOd AZL 2 PROS 1190 88 1890 88 140 O M ASSY Qu VO8 NOLLD3NNOO I staat coh d asn ASSY V
9. 5 B9968MJ 1 1 1 111 1 SW Cable 6 B8806DG 1 1 1 1 1 1 Main Shelf Assembly 7 Y9305LB 2 2 2 2 2 2 Screw 8 Y9308LB 2 2 2 2 2 2 Screw 9 B8806DE 1 1 1 1 1 1 Edge Guard 10 B8806ED 1 1 1 1 1 1 Main Assembly 11 B8706RA 11111111111 12 B9900BR 1 1 1 1 1 1 Battery Assembly 13 B8806PB 1 1 1 11 1 1 SUB Assembly 14 Y9305LB 4 4 4 4 4 4 Screw 15 B8706MJ 1 1 1 1 1 1 FFC 0 5MM 120MM 16 B8806DL 1 1 1 1 1 1 Main Stopper 17 Y9305LB 2121212 2 2 Screw 18 B8806RB 1 1 1 111 1 POW SW 19 9904 2 2 2 2 2 2 Screw 20 B8806CX 1 1 1 1 1 1 Sheet et 21 B8806DA 1 1 1 21212 5 22 B9622FW 1 1 1 1 1 1 23 Y9305LB 3131316 6 6 Screw z e 24 B87068R 1 1 AD ISO 4CH 3 B8706SP 1 1 1 1 AD STD 10CH not N1 N2 D B8706SS 1 1 1 1 AD ISO 10CH N1 N2 select 5 B8706TP 1 AD STD 12CH not N1 N2 5 B8706TS 1 AD ISO 12CH or N1 N2 25 B8706SR 1 AD ISO 4CH S B8706SP 1 1 1 AD STD 10CH not N1 N2 B8706SS 1 1 1 AD ISO 10CH or N1 N2 select B8706TP 1 AD STD 12CH not N1 N2 B8706TS 1 AD ISO 12CH 1 N2 26 B8706SP 1 1 AD STD 10CH not N1 N2 B8706SS 1 1 AD ISO 10CH or N1 N2 lect 8706 1 AD STD 12CH not N1 N2 Select B8706TS 1 AD ISO 12CH or N1 N2 27 B8706SP 1 A
10. F1 1 R1 B9968KA IA2 IF1 1 R1 B9968KC 4 F1 PM1 R1 B9968KE IA1 F1 PM1 B9968KB A2 1 B9968KD A3 R1 IF1 PM1 IR1 IF1 PM1 IR ma LooesKK A1 F1 1 R1 B9968KL A2 F1 PM1 R1 B9968KN A3 1 PM1 R1 IFA A1 A2 A3 A4 B9968KQ PM1 R1 A1 F1 R1 PM1 B9968KM A2 F1 R1 1 B9968KP IA3 F1 R1 PM1 IF1 R1 A1 A2 B9968KR A1 IFA B8703FA A2 IFA B8703FB A1 F1 1 B8703FC 1 IFA 1 2 9703FD IA1 2 B8703FE A1 A2 PM1 R1 TPS4 B9968DN OPTION TERMINAL 2 MS CORD OPTION PART NO AND OR NOT OPT 2 IF1 PM1 Na B9968KF TPS4 B9968KW A4 1 PM1 TPS4 B9968DN CMPL MV2000 01E Nov 2007 6 16 SM MV1000 01E Parts List MV2000 6 2 Customer Maintenance ries 1 2 Standard Accesso CMPL MV2000 01E Nov 2007 6 17 6 2 Customer Maintenance Parts List MV2000 10 000000 000000 000000 Standard Accessories 2 2 Item Part Qty Description 1 A1073WD 1 Power Cord Set 1 3 2 A1074WD 1 Power Cord Set 1 4 3 A1009WD 1 Power Cord Set 1 5 select 4 A1024WD 1 Power Cord Set 1 6 5 A1054WD 1 Power Cord Set 1 7 6 A1064WD 1 Power Cord Set 1 8 7 B8805GV 1
11. 100 00 0 2 600 313 710 0 9 0 15 of rdg 0 3 C 0 0 000 mV 0 4 0 15 of rdg 0 5 EXT RJC mode 0 C 0 000 mV 0 5 0 15 of rdg 0 7 EXT RJC mode 200 1 326 0 1 4 0 9 036 0 0 8 300 20 601 0 1 7 0 4 of rdg 1 0 Performed when the N1 option is specified 200 8 57 Q 0 8 0 50 00 O 0 4 550 C 150 40 Q 1 8 0 3 of rdg 0 6 C Reference Value Integral Time 1 67 ms 600 Hz Input Value 2 0000 V Range Allowed by Test x57 digits 0 0000 V 32 digits 2 0000 V x57 digits Accuracy Specification 0 196 of rdg 40 digits Nottested for the MV2000 with the MC1 option Performed when the N3 option is specified 3 7 3 4 Test Procedures Reference Junction Compensation Accuracy e Test Procedures Measure 0 on all channels and check that the display is within the reference values below Set all channels to thermocouple type T Reference value 0 5 0 C standard temperature device Model ZC114 from Coper Electronics Co Ltd or equivalent Battery Backup Calibrated thermocouple wires
12. H29 90 88 Wa bees ASSY H3NNV2S ASSY U3NNV2S QV IND IND ASSY QHVO8 YSHLOW _______ SIND Tt 5 vz jo ese FIND ZIND LIND 2855 IND IND INS 7 0 IND 6 0 88 Wiv W3H In89668 HOCLOSI D XI90788 HD9 OSI dWV 2 Xu90 88 pem ASSV 80535104 541 089668 W1v H2cSd D 1089668 Wiv sng9668 PAS dWv12 ML90788 PAS 12 90 8 OSI dA v 1D AS90 88 W3H HOvSdDAOS9668 WawWv HOcsdDnoso66a N34 Hn89668 HOcLOSIMaHOS Nns9668 H29 OSI MIY2S 1N89669 E ASSY 299089664 H29 PAS MIY25 IN89669 OSI LIV iE ASSV 08 08 08 Assy quvog ASSY quvos Assv auvos ASSY IVNIWH3I 9502 MA AI END END Hove 8850888 Hove n Hol HOXL HOL 50888 OSI dv 1D XL90 88 PAS dNvID MLS0 88 OSI dW TD AS90 88 8 HOS HO8 HOS 8850884 Ez ASSY HD9 HDL HD9 HDL VHS0888 HD9 OSI MJYDS NN89664 Maios onsoees OSI 5 LY divos Hb HOL HOr HOL ASSY IWNIWYSL SCN SIND PEND LENO quvog Ll U3NNV2S QV LAdNI
13. A D No 881 812 A D adjust A D 881 812 d Wl Display Cal Exee asswor 4 End Last calibration date 2006 03 02 1 2 3 4 Last calibration date 2006 83 14 1 2 Saving Adjusted Values 8 Usethe left or right arrow key to choose Yes save calibration values or No do not save then press the DISP ENTER key MV1000 MV2000 A D No 681 812 A D adjust A D No 881 012 1 Display Display Do you really want to save 2 Cal Exec A D adjust data 3 Password you really want to save End Ayn adjust d Yes Yes Last calibration date 2006 83 14 9 Repeat steps 2 8 to adjust all A D When finished press the ESC key Concluding Adjustments 10 Turn OFF the power switch 4 4 SM MV1000 01E Schematic Diagram 5 1 Schematic Diagram 51 Schematic Diagram MV1000 Chapter 5
14. Conventoins Used in Manual WARNING Calls attention to actions or conditions that could cause serious CAUTION or fatal injury to the user and precautions that can be taken to prevent such occurrences 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 MV1000 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 Operation Describes the principles of operation of the instrument Troubleshooting Lists problems that can occur and gives corrective actions Testing Gives procedures for testing the characteristics 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 Describes how to replace parts Specifications are not included in this manual For specifications refer to the MV1000 MV2000 User s Manual IM MV1000 01E SM
15. n rnit 7 1 If Servicing is aD cua 7 1 7 2 Recommended Replacement Periods for Worn 7 2 SM MV1000 01E vii Chapter 1 Principles of Operation 1 4 Principles of Operation Block Diagram The following explains the principles of operation of the MV Data storage functions External storage Input section 9 Input terminal Internal memory Display Calculation function Alarm Communication function Remote control optional Pulse input optional Relay contact optional Transmitter power supply optional USB port Input Terminal Section Scanner Section For connecting the measurement input signal wires The terminals can be used for DC voltage thermocouple resistance temperature measurement and contact input The reference junction compensation circuit for thermocouples is built in Proven transistor method for measuring the temperature of the terminals Metal core construction used in the internal printed circuit boards to equalize temperature Input terminals removable Switches the measured input signal channel The input signal switching section uses highly reliable solid state relays SSR A D Conversion Section Converts analog signals to digital signals It is a PWM pulse width modulation type converter A D converter calibration data is stored in an
16. HOZI PAS 3425 9189668 PAS 3459089669 quvoa PAS 4 190 88 HOCL OSI M3uDS Nn89668 201 OSI dWV19 xS90289 H201 OSI dWW19 XS90289 PAS MJYDS DNBIEEE PAS 25 9 89668 201 OSI M3u2S I n89668 HDOL OSI 8829 10189668 LIND 590 88 H01 OSI 4 12 590 84 HOL dWV1D Ms90 88 H0 dWWTDIMS90Z89 7 7 201 1 2 89668 OSI 9668 HOL Pas 5 4 8966 H20L Pas 25 189668 ASSY QHVOS PS dIWD MSO0 88 H201 PAS diNvD MS90Z8a OSI dWWTD AS9OZ8E OSI dWWTD AS9OZ8E REIS HD01 pas 3429 3089668 Pas 438293089666 OSI 89668 HovOSI M3uDspinsoees 0 88 ASSV IVNIIWH3 L ASSV ASSY VNIIAH3LL ASSY HOVSdDMOS9668 waypasand SND SND SND SND MSE0Z89 IND IND IND INJ ASSV Assvauvos 1589666 1589666 3589668 4589669 93908 NIVW3STId Assy quvogor Assv ayvogory ASSY QuVO8 Dry ASSV ayyog SM MV1000 01E Chapter 6 _ Customer Maintenance
17. NO Keep input wires and cables away from noise sources Be sure to ground the recorder Ground the measured object properly For thermocouple measurement NO insulate points of contact between the measured object and thermocouple Use shielded cables for input wiring Change the integral time setting of the A D converter Use moving average on the input Attach input terminal covers NO To avoid temperature changes in the vicinity of input terminals keep fan ventilation holes clear and keep hot objects away Ensure correct polarity when wiring Check that terminal wires are NO securely connected Do not ground RTDs Replace broken thermocouples Do not connect other instruments with thermocouples in parallel If you must connect it in parallel YES consider using a double element thermocouple refraining from using burnout detection or implementing other measures Use one earth connection when connecting the MV to another instrument Set them correctly SM MV1000 01E Bunoouse qnoJ 2 2 The instrument doesn t start even though the power is ON FAIL state Abnormal functioning of memory backup Key operation abnormality LCD display not normal Large measurement error Temperature measurement abnormal Fluctuation in measured values Troubleshooting Checklist The table below describes the most common
18. Qty m cc oo 4444525 c 0 ss 66600 lt gt 000006 act 0022055 c Eg TNTNOO 992 555525 600 X2 909988z 22222 0 lt 4 lt 4 lt lt lt lt entire 1 OPOZAN e 1 1 ern 1 1 1 1 1 OLOCAN rene 1 1 1 in 1 1 1 1 IepolN j maoaaadaadruu XO LO KO Oo t Ooooooooooo c5 rnc 9 9 O CO gt gt Note CMP 2000 01 2007 6 11 SM MV1000 01E 6 2 Customer Maintenance Parts List MV2000 Rear Assembly 1 3 Nov 2007 CMPL MV1000 01E SM MV1000 01E 6 12 6 2 Customer Maintenance Parts List MV2000 Body Assembly 3 3 5 Qty _ 12 gt gt gt gt gt gt Part No Description 1 1 1 1 1 1 1 Body Sub Assembly select see page 3 2 B8706DA 1 1 1 1 1 1 Power Assembly 100VAC 240 select B8806EA 1 1 1 1 1 1 Power Assembly 12VDC 24VDC 3 Y9305LB 2 2 2 2 2 2 Screw 4 B8806DE 1 1111 1 1 1
19. Voltage 2 3 Maximum Allowable Leakage Current For models with 100 240 VAC power supply Short the L and N terminals 0 5 KVAC For models with 12 VDC power supply Short the and terminals Between the input and protective ground terminals 1 5 Short all input terminals Between input terminals 1 0 Short the odd and even channels of the A B terminals and measure between odd and even channels Between relay contact output and protective ground terminals 1 6 With the A1 A2 A4 or F1 option Short all relay contact output terminals Between the remote control input and protective ground terminals 1 0 With the R1 option Short all remote control input terminals Between pulse input and protective ground terminals 1 0 With the PM1 option Short all pulse input terminals Between 24 V transmitter power supply output and protective ground terminals 500 VAC With the TPS2 or TPS4 option Short all 24 V transmitter power supply output terminals The b terminals on the following models are independent on all channels Short the odd and even channels of the A B and b terminals and measure between odd and even channels e 1004 MV1008 MV2008 With the N1 or N2 option SM MV1000 01E 3 5 3 4 Test Procedures Measurement Accuracy e Overview
20. 485 FG terminals Protective Grounding e Test Procedures 100 or more With the C3 option Perform a resistance measurement with a DMM digital multimeter and check whether the results satisfy the reference values Reference Value Measured Location Reference Value Between the protective ground terminal 0 2 0 or less and functional ground terminal MV1000 Functional ground terminal Power inlet Power supply screw terminals Q9 g Protective ground terminal 3 4 SM MV1000 01E 3 4 Test Procedures Withstand Voltage Power supply screw terminals MV2000 r Functional ground terminal Power inlet Protective ground Ty O terminal we e O ve 5 7 9 9 e Test Procedures m B Perform the test with a withstanding voltage tester and check whether the results satisfy the reference values Perform the measurement with the power switch turned ON Test time 1 minute Tested Terminals Between the power and protective ground terminals Applied
21. EEPROM For the correspondence between input channels and A D converters see Measurement Accuraoy on page 3 6 SM MV1000 01E uonejedo B 1 1 Principles of Operation Saving Data The capacity of the internal memory is either 80 MB standard memory or 200 MB expansion memory The CF card can be used as an external memory medium Display Keys The MV uses an LCD display You can control the MV with key operations Calculation You can calculate the difference between two measurement inputs perform linear scaling square roots calibration correction and other computations Alarms Alarm functions include upper limit alarm and lower limit alarm Other Functions Serial Ethernet Communication The MV can communicate with other instruments via the Ethernet RS 232 or RS 422 485 interface with the serial communication option Remote Control Pulse Input Record start and other operations can be controlled using external signals with the optional remote control function Counts the number of pulses for each measruement with the pulse input option Relay Output The MV can output alarms or FAlL Status optional Transmitter Power Supply Output The MV can output 24 VDC for use as a power supply for transmitters optional USB Port Allows connection with USB keyboard and USB flash memory devices 1 2 SM MV1000 01E Chapter2 _ Troubleshooting 2 1 Failure Analysis Flow Chart W
22. Item Conditions Test Instruments Ambient temperature 23 5 Relative humidity 20 to 80 RH Atmospheric pressure 86 kPa 106 kPa Power supply voltage AC power supply Power supply suffix code 1 90 to 132 VAC 180 to 264 VAC 12 VDC power supply Power supply suffix code 2 m B 10 0 to 28 8 VDC Power supply frequency Nominal frequency 1 Power supply waveform Distortion factor of 596 or less DC power supply ripple Content ratio of 0 196 or less Vibration A value having negligible effects on the instrument Position Interference Within 3 of the specified position 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 results Atmospheric pollutants Levels of corrosive gasses vapors salts and dust that do not affect the measured results Other external effects 2 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 Instrument Specifications DC voltage generator Accuracy 0 005 of setting 1 uV DMM Accuracy 0 005 of rdg 1 Variable resistors Accuracy 0 0196 2
23. N2 B9968LR N2 B8706HX 1 N1 N2 B8706JX MV1024 IN1 N2 B8706HM 2 IN1 N2 B8706JJ Nov 2007 CMPL MV1000 01E SM MV1000 01E 6 5 6 1 Customer Maintenance Parts List MV1000 6 Rear Assembly 3 3 Terminal Assembly 2 MODE MS CODE MS CODE OPTION CODE PART No INP TERMINAL AND OR NOT 1 1 PM1 R1 TPS2 B9968KA F1 1 1 9968 A3 R1 B9968KE IM R1 F1 PM1 TPS2 B9968KB 2 1 PM1 B9968KD IR1 B9968KJ R1 152 1 1 2 B9968KK IM 1 1 1 B9968KL A2 IF1 1 1 B9968KN A2 R1 TPS2 B9968KQ MV1004 IM 1 R1 B9968KM or A2 1 R1 B9968KP MV1006 or 1 R1 2 PM1 B9968KR MV1012 gt gt gt gt 5 IM TPS2 1 1 B9968KT 1 TPS2 B9968KU R1 TPS2 1 B9968KY TPS2 A1 PM1 R1 B9968KX 1 F1 B8703FA A2 1 IFA B8703FB A1 F1 PM1 B8703FC 1 2 F1 B8703FD F1 PM1 A1 B8703FE A1 A2 IR1 52 B9968DN 1 B8706JP MV1008 2 B9968LJ I
24. Parts List 6 1 Customer Maintenance Parts List MV1000 Note Parts marked with a Osymbol are Customer Maintenance Parts CMP The contents of this CMPL are subject to change without prior notice as a result of continuing improvements to the instrument s performance and functions YOKOGAWA Copyright Nov 2007 1st Edition 2007 YK MV1000 01E Yokogawa Electric Corporation 1571 5 SM MV1000 01E 6 1 6 1 Customer Maintenance Parts List MV1000 2 Complite Set Item Part Qty Description 1 B8805BA 1 Bezel Assembly 2 B8805BG 1 Cover 3 B8706MJ 1 0 5MM 120MM 4 Y9305LB 4 Screw 5 B8805FH 2 Sheet 6 B8805FA 1 Handle Assembly 7 B8805FJ 2 Washer 8 B8805FM 2 Spacer 9 B8805FL 3 Wave Washer 10 B8805BZ 2 Stud 11 B8805FK 2 Screw 12 B8805FC 2 Cap 13 B8805FE 2 Damper 14 B8805AC 1 Name Plate 1 B8805AG 1 Name Plate 72 Select 15 1 Body Assembly see page 3 16 B8800AY 1 Name Plate 17 1 Name Plate 18 1 Name Plate 19 B9961BR 2 F Foot 20 B9961BS 2 R Foot 21 Y9306LS 4 Screw CMPL MV1000 01E Note 1 100VAC 240VAC 2 12VDC 24VDC 2007 SM MV1000 01E 6 1 Customer Maintenance Parts List MV1000 Body Assembly 3 1 120VAC 240VAC 2 12VDC 24VDC 3 128 MEMORY 4 256MB MEMORY 9101 0 0
25. a problem is detected Display upon Error ROM failure RAM failure A D memory failure for all input channels A D calibration value error Memory acquisition failure The Ethernet module is down Likely Cause Connection between MAIN BOARD ASSEMBLY and SUB BOARD ASSEMBLY Refer to Chapter 6 Part Name MV1000 MV2000 Page Item Page Item Replace the SUB BOARD ASSEMBLY or MAIN BOARD ASSEMBLY Connection between AD SCANNER BOARD ASSEMBLY and MAIN BOARD ASSEMBLY Sub PCB Assembly 6 3 5 Main PBA 6 4 12 6 12 13 6 12 11 Replace the AD SCANNER BOARD ASSEMBLY or MAIN BOARD ASSEMBLY Connection between MAIN BOARD ASSEMBLY and SUB BOARD ASSEMBLY AD STD ISO Main PBA Replace the SUB BOARD ASSEMBLY Sub PCB Assembly 6 3 5 6 12 13 or MAIN BOARD ASSEMBLY Main PBA 6 4 12 6 12 11 Replace the internal CF card 6 2 6 10 Check communication settings Connection between TERM 4 COMM BOARD ASSEMBLY and BOARD ASSEMBLY Check the communication cables and LINK LED illumination 6 4 12 6 12 11 Replace the MAIN BOARD ASSEMBLY I PWR Terminal 24V Power Terminal 6 4 8 6 14 3 ASSEMBLY Power Terminal SM MV1000 01E 3 3 Performance Test Read the warning and cautions below before beginning tests Test Environment
26. or better Insulation tester 500 VDC Withstand voltage tester Function generator 500 to 2300 VAC 1000 VDC Accuracy 20ppm of setting for 100 Hz 0 C standard temperature device Accuracy 0 05 Thermocouple Type T Instrument Operation For operating procedures in setting mode and basic setting mode see the following manuals MV1000 First Step Guide IM 1000 02 MV2000 First Step Guide IM MV2000 02E MV1000 MV2000 User s Manual IM MV1000 01E Tests Calibrated The following tests are explained Insulation Resistance Protective Grounding Withstand Voltage Reference Junction Compensation Accuracy Battery Backup Pulse Input Function Option Measurement Accuracy SM MV1000 01E 3 3 3 4 Test Procedures Insulation Resistance e Test Procedures Perform a measurement with an insulation resistance meter and check whether the results satisfy the reference values Perform the measurement with the power switch turned ON Reference Value Terminals Measured Between the power and protective ground terminal Reference Value 100 MO or more Condition Short the L and terminals Between the input and protective ground terminal 100 or more Short all input terminals Between the Ethernet and protective ground terminal 100 or more Short all pins of the Ethernet terminal Between RS 422 A 485 SG and RS 422 A
27. 7 PoweM amp fafaBE OPTION SELECT POWER SUPPLY AND NOT PART NO 1 2 8706 1 2 B8706ES 1 C3 2 8706 2 2 C3 B8706JA 2 2 C3 B8706JB 2 C3 2 B8706JC Input Terminal MS CODE OPTION PART NO MS CODE MODEL CODE INP TERMINAL OR NOT INP 1 INP 2 INP 3 INP 4 1 B8706JP B8706JR 2008 89968 B9968LK IN1 N2 B8706HS MV2010 B9968DN 1 1 N2 B9968LE B9968DN B9968DN N2 B9968LN IN1 N2 B8706HS B8706HT MV2020 IN1 N2 B8706JS B8706JT N2 B9968LE B9968LF 72 IN1 N2 B9968LN B9968LP IN1 N2 B8706HS B8706HT B8706HU IN1 N2 B8706JS B8706JT B8706JU 59 2080 IN1 N2 B9968LE B9968LF B9968LG ene IN1 N2 B9968LN B9968LP B9968LQ IN1 N2 B8706HS B8706HT B8706HU B8706HV MV2040 1 N1 N2 B8706JS B8706JT B8706JU B8706JV P IN1 N2 B9968LE B9968LF B9968LG B8706HL IN1 N2 B9968LN B9968LP B9968LQ B8706JH E 1 1 N2 B8706HW B8706HX B8706HY B8706HZ MV2048 IN1 N2 B8706JW B8706JX B8706JY B8706JZ m 1 1 N2 B9968LH B8706NM B8706HN B8706HP IN1 N2 B9968LR B8706JJ B8706JK B8706JL Mar 2008 CMPL MV2000 01E SM MV1000 01E 6 15 1571 6 2 Customer Maintenance Parts List MV2000 8 Terminal Assembly 3 3 OPTION TERMINAL 1 MS CORD OPTION PART NO AND OR NOT OPT 1
28. A 6 3 4 6 12 11 The table shows only the specific parts that must be replaced When actually carrying out replacement the entire assembly that contains a part may have to be replaced Printed Board Assembly Flexible Flat Cable SM MV1000 01E 2 5 Chapter 3 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 4 Read and implement section 3 2 Self Diagnostic Test 5 Read and implement section 3 3 Performance Test SM MV1000 01E Bs B 3 2 901 902 930 940 Self Diagnostic Test The MV is provided with complete self diagnostic functions to enhance reliability in measurement and serviceability When you turn ON the power the MV will automatically execute the following types of diagnoses alternately and display the results After these tests are completed the recorder is ready for use Main program Flash ROM test Main RAM write read test A D and A D EEPROM test Memory acquisition test write test from Flash Ethernet module test The table below shows the results of the self diagnostic tests when
29. AC Adapter Assembly 2 select 8 B9988YE 1 AC Cord 2 3 9 B9988YA 1 AC Cord 2 4 10 B9988YB 1 AC Cord 2 5 11 B9988YC 1 72 76 Select 12 A1069WD 1 AC Cord 2 7 13 B9988YJ 1 AC Cord 2 8 14 B9991AD 1 DXA120 CD Assembly 15 880622 1 CD for Manuals 16 E9655FX 5 Screw ETO Screw 17 B8706NQ 1 CF Card 128MB 18 90882 2 Stopper 19 1 Manuals CMPL MV2000 01E Note 4 13 4 5 6 7 100VAC 240VAC 12VDC 24VDC MV1 MV1 MV1 MV1 MV1 MV1 LI Ci CI CI CJ CI O O O O O 0 Parts 2007 6 18 SM MV1000 01E Chapter 7 Replacing Parts 7 1 Introduction This section describes replacing parts necessary for maintenance and repair Replaceable Parts When it becomes necessary to replace parts it is recommended to replace entire assemblies rather than specific parts within assemblies If you plan on replacing parts yourself please refer to the Customer Maintenance Parts List CMPL in chapter 6 for a list of parts supplied by Yokogawa Parts not on this list are not available through Yokogawa The CMPL uses the following column titles Number Part No Q ty Description If Servicing is Required If servicing is required contact your nearest Yokogawa dealer with the following information A
30. D STD 10CH not N1 N2 B8706SS 11 AD ISO 10CH 1 N2 lect B87060TP 1 AD STD 12CH not N1 N2 Select B8706TS 1 AD ISO 12CH or N1 N2 28 B8706DC 1 1 1 1 1 1 29 Y9305LB 6 6 6 8 8 8 Screw 30 B9573PZ 11111111111 31 B9622FW 1 1 1 1 1 1 32 B8806DD 1 1111 1 1 1 33 B8805DG 1 1 1 111 1 CF Assembly 128 MEMORY select B8805EG 1 1 1 111 1 256 34 Y9305LB 2 2 2 2 2 2 Screw 35 B8706MH 1 1 1 1 1 1 0 5 170 Note O CMP Nov 2007 CMPL MV2000 01E SM MV1000 01E 6 13 6 2 Customer Maintenance Parts List MV2000 6 Terminal Assembly 1 3 Item Part Qty Description 1 B8805CR 1 PW Terminal Cover 2 Y9305LB 2 Screw 3 1 Power Terminal select see page 7 4 Y9405LB 1 Screw 5 Y9401WL 1 Washer 6 B8806CT Foot Bracket 7 Y9305LB Screw 8 1 Input Terminal 1 9 1 Input Terminal 2 10 1 Input Terminal 3 select see page 7 11 1 Input Terminal 4 12 1 Option Terminal 1 13 1 Option Terminal 2 select see page 8 14 B9968DN Conn Cover Assembly select see page 7 amp 8 CMPL MV2000 01E Note O CMP Nov 2007 SM MV1000 01E 6 2 Customer Maintenance Parts List MV2000 Terminal Assembly 2 3
31. IGIW mE 9 8 cND END m 90 88 ASSY ASSY QHVOS WWOD ASSY QuVO8 NIVW u3MOd NIVW 1331 MOd IND MI END vND ND IND SNJ jw90 8g 31892 Qv ZN2 woo gg a18v2 QV 0505190 88 051 5190 89 Da OSI S190788 HozLOSDSI9088 95 201 0505590288 H201 051 5590 89 201 051 5590 89 201 OSI SS90 88 HO 051 9590 89 5 990 88 4190 88 294190 98 194190 98 294190 98 H201 9 4590 88 201 9 4590 88 201 4590 88 H201 15 4590 98 vuooggg ASSY GYVOd ASSY GYVOd ASSY ASSV U3NNVOS U3NNVOS YANNWDS GV YANNWDS IS ASSV GYVOd YAHLOW NIVW 10151 4590 88 ASSV 10151 0590 88 L ASSV QoIsz Qu90 88 u3HLOW Qv 015008907884 VOS H3HLOW QV OND SND ND END ELNI LIND PEND ECNJI CCNY LEN2 ELN LIND IND IND LIND END 9 IND NOI ZNJ END ENDL LN2 W W3H 1n89668 OSI 4 12 190 8 HOZLOSIdWvD XL90 88 wiv sngo6ea Wiv snso668 4 12 190 88 dWvD ML90 88 W38 0n89668 Hozi os AWYTD X190Z88 051 dWv1DXXL90788 H ZL OSI M3u2S Nn89668 OSI 825 0189666 ASSV ASSV 051 925 189669 H ZL PAS dW 12 190 88
32. MV1000 01E Contents Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Important Notice to the User rien ie reet re ect hate i Tadema koineon ii ii iii Safety Standards and iii Safety Precaution ea ea iii Safety Symbols Used on Equipment and in Manual see iv Conventuins Used in 77 Overview of This Manual inane CR V Principles of Operation 1 4 Principles of Operation sariranira ainainen 1 1 Troubleshooting 2 1 Failure Analysis Flow Chart tette Mita aes dete Core or ko dee Se FLORE 2 1 2 2 Troubleshooting CheckliSt 25 te E RT Fein rn RES 2 4 Testing 3 1 Acceptance Test e iei teet 3 1 3 2 Rc NC CR HUP 3 2 3 3 Performance 1 5 M 3 3 Test EnviFOnment nescio iet dea t ou e oe 3 3 2 3 3 Instrument Operation ai 3 3 TES S p
33. N1 N2 B8706HW IN1 N2 B8706JW MV1024 IN1 N2 B9968LH 2 IN1 N2 89968 CMPL MV1000 01E Nov 2007 6 6 SM MV1000 01E Parts List MV1000 6 1 Customer Maintenance ries 1 2 Standard Accesso CMPL MV1000 01E Nov 2007 6 1 Customer Maintenance Parts List MV1000 8 Standard Accessories 2 2 Item Part Qty Description 1 A1073WD 1 Power Cord Set 1 3 2 A1074WD 1 Power Cord Set 1 4 3 A1009WD 1 Power Cord Set 1 5 select 4 A1024WD 1 Power Cord Set 1 6 5 A1054WD 1 Power Cord Set 1 7 6 A1064WD 1 Power Cord Set 1 8 7 B8805GV 1 AC Adapter Assembly 2 select 8 B9988YE 1 AC Cord 2 3 B9988YA 1 AC Cord 2 4 10 B9988YB 1 AC Cord 2 5 11 B9988YC 1 72 76 Select 12 A1069WD 1 AC Cord 2 7 13 B9988YJ 1 AC Cord 2 8 14 B9991AD 1 DXA120 CD Assembly 15 880622 1 CD for Manuals 16 E9655FX 5 Screw ETO Screw 17 B8706NQ 1 CF Card 128MB 18 1 Manuals 00000 000000 000000 CMPL MV1000 01E Note 4 3 4 5 6 7 100VAC 240VAC 12VDC 24VDC MV1 MV1 MV1 MV1 MV1 MV1 LI CI CI CI CJ CI O O O O O 0 Parts 2007 6 8 SM MV1000 01E 6 2 Customer Maintenance Parts List MV2000
34. The measurement accuracy is tested using two different integral times But only one integral time is used when using the MV2000 with the MC1 option The measurement accuracy test is performed in one of the following ways Onerepresentative 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 page Choose any channel number for each A D from those listed in the A D converter configuration table Ex With the MV1004 set channels 1 and 3 as representative channels The measuring accuracy of all channels is tested separately e A D Converter Configuration Models MV1004 Measurement Number of No of Interval Channels 05 125 ms 4CH 2 1 2 3 4 Channel Number by A D MV1006 MV1008 1s 6CH 1 6 1 2 3 4 5 6 7 8 MV1012 1 12 MV1024 1 4 1 2 1 12 13 24 MV2008 ims 4 1 2 3 4 5 6 7 8 2010 1 10 MV2020 1 10 11 20 MV2030 1 10 11 20 21 30 MV2040 1 10 11 20 21 30 31 40 MV2048 1 12 13 24 25 36 37 48 e Test Instruments Instrument Specifications DC voltage generator Accuracy 0 005 of setting 1 uV DMM Accuracy 0 005 of rdg 1 uV Variable resistors Accuracy 0 01 2 or better e Setup Set the input range of the channels under test and the test range e Test Procedures Warm up the inst
35. ddress Contact name and phone number Product model name suffix code and option codes Description of the problem measured results displayed error messages and any other pertinent information SM MV1000 01E 7 1 syed Buroejdos 7 2 Recommended Replacement Periods for Worn Parts To preserve the reliability of the MV and to use the MV in a good condition for an extended time it is recommended that periodic replacements be made on parts The replacement parts may change to accommodate preventive maintenance over extended time Be sure to check with your nearest YOKOGAWA dealer The following table shows the recommended replacement period for expendable parts The replacement period shown here applies when the MV is used under standard operating conditions For the actual replacement period consider the actual conditions of use Replacement of parts will be carried out by a YOKOGAWA engineer or an engineer certified by YOKOGAWA Contact your nearest YOKOGAWA dealer when such replacement is necessary MV1000 Replacement Quantity period Used LCD 5 years Bezel Assembly B8805BA Battery 10 years Battery Assembly B9900BR Aluminum electrolytic capacitor 5 years AD Assembly Depends on the model 5 years Power supply Assembly Replacement Period at the Upper Limit of the Normal Operating Temperature 40 The replacement period varies depending on the temperature in which the in
36. e protective grounding terminal Doing so invalidates the protective functions of the instrument and poses a potential shock hazard Do Not Operate with Defective Protective Grounding Do not operate the instrument if the protective grounding might be defective Also make sure to check them before operation SM MV1000 01E iii Do Not Operate an Explosive Atmosphere Do not operate the instrument in the presence of flammable liquids or vapors Operation in such an environment constitutes a safety hazard Prolonged use in a highly dense corrosive gas H S SOx etc will cause a malfunction Do Not Remove Covers The cover should be removed by qualified personnel only Opening the cover is dangerous because some areas inside the instrument have high voltages Ground the Instrument before Making External Connections Connect the protective grounding before connecting to the item under measurement or control unit Damage to the Protection Operating the instrument in a manner not described in this manual may damage the instrument s protection Safety Symbols Used on Equipment and in Manual AN Handle with care To avoid injury and damage to the instrument the operator must refer to the explanation in the manual Protective ground terminal Functional ground terminal do not use this terminal as a protective ground terminal Alternating current Direct current ON power OFF power
37. en press the DISP ENTER key MV1000 MV2000 8 0 adjust A D No A D 3 Press the Cal Exec 2 soft key sjueunsnfpy gt 1000 2000 A D No 881 812 A D adjust A D 881 812 1 Display Display 42 Cal Exec 0 Cal Exec 43 Password M4 End 3 Password Last calibration date 2005 03 02 1 2 3 4 Shows the day A D most 0 calibration dte recently adjusted Ix Inputting a Reference Signal 4 Input zero value of the range to be adjusted to the zero channel of the A D No and the full value to the Full channel See the calibration channels and input values on the previous page Ex To adjust the 20 mV range of A D No 1 input 0 mV to CH1 and 20 mV to CH2 Executing the Adjustment 5 Select the soft key of the range to adjust then press the DISP ENTER key MV1000 MV2000 A D No 881 812 A D adjust Cal Exec VD No B12 A D adjust range us E ese K Vos 12812422 203 Next 1 2 Shows the A D No being calibrated A D adjus 2 2 nV Select the Range to Calibrate Next 1 2 E 10 A message is displayed and adjustment executes automatically 6 Repeat steps 4 and 5 to adjust all ranges When finished press the ESC key SM MV1000 01E 4 3 4 2 Adjusting the A D Converters 7 Press the End 4 soft key MV1000 MV2000
38. hen a failure occurs refer to the flow chart below for corrective actions Doesn t function at all nothing is displayed Is the power switch ON NO Does the switch operate Turn the switch ON correctly normally YES NO Is the power supply wired correctly Wire it correctly YES Supply power of voltage and NO frequency that conforms to the specifications Is an appropriate power supply being input YES Other than the display is the instrument functioning normally NO See No 1 of the checklist in section 2 2 YES YES Restore the original brightness Has the backlight gone out due through key operation to the LCD s backlight saver NO Has the instrument been operated longer than the recommended replacement period for the backlight 5 years YES Try replacing the backlight See No 5 of the checklist in section 2 2 SM MV1000 01E 2 1 Bunoouse qnoJ 2 1 Failure Analysis Flow Chart Keys do not operate correctly Release the key lock setting Is the key lock set See No 4 of the checklist Keep measurement input communication and other If there is a problem with a display wires and cables away from Screen or other function noise sources Be sure to ground all instruments Use shielded cables for wiring measurement input communication and other circuits Use isolation transformers on p
39. input a pulse signal and perform the test e Test Instruments Specifications Function generator Accuracy 20 of setting for 100 Hz e Setup 1 Press the MENU key then choose Math channel gt Calculation expression Expression m B 2 Enter the following expressions Press the ESC key to return to the setting menu 101CH 006 span 0 100 102CH 007 span 0 100 103CH 008 span 0 100 3 Select Group set then set CH set to 101 103 4 Press the ESC key twice to return to operation mode e Test Procedures Input a pulse signal of 100 Hz and 0 5 V to input pulse terminals 6 7 and 8 then perform the test Reference value 100 1 SM MV1000 01E 3 9 4 Adjustments 4 1 Before Making Adjustments This chapter explains how to perform adjustments to the MV1000 MV2000 Environment See section 3 3 Test Environment Instrument Operation For operating procedures in setting mode and basic setting mode see the following manuals MV1000 First Step Guide IM 1000 02 e 2000 First Step Guide IM MV2000 02E MV1000 MV2000 User s Manual IM MV1000 01E Note Adjustments are to be made after warming up the recorder for at least thirty minutes SM MV1000 01E sjueunsnfpy 4 2 Adjusting the A D Converters e Overview The number of included A D converters differs depending on the instrument model For all of the A D converters input a predeter
40. mation 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 consideration the replacemen
41. mined value for each range and take measurements then save the calibration values e Instruments Used Instrument Specifications DC voltage generator Accuracy 0 005 of setting 1 uV or better Variable resistors Accuracy 0 01 2 or better e Calibration Calibrated Channels Model AID No 1 AID No 2 AID No 3 AID No 4 MV1004 Zero CH1 Full CH2 Zero Full Zero Full Zero Full MV1006 MV1008 CH1 CH2 MV1012 MV 1024 MV2008 MV2010 MV2020 MV2030 MV2040 MV2048 Input Value Input Type 0 mV 20 mV Remarks 0 mV 60 mV OmV 200mV 1V DC voltage 0 mv 2V 6v 20V No adjustment needed Connection UUA When DC range Channel 1 E XCX Channel 2 CH2 DC Voltage generator Full value UUA Unit Under Adjustment DC Voltage generator Zero value UUA With the N1 or N3 option When RTD or CU range Channel 1 Short these three wires Zero value Variable resistors Full value SM MV1000 01E 4 2 Adjusting the A D Converters e Calibration Procedure 1 Press the UP arrow key while turning ON the power The instrument starts up in Calibration Mode and the A D No are displayed 2 Select the A D No to calibrate with a soft key th
42. ower supply lines Insert filters on power supply lines See No 2 3 7 9 and 10 of the If inductive loads are used checklist in section 2 2 on alarm lines insert surge absorbers in the lines Have measures against external noise been taken Note If menu items required for screen menus or function menus are not displayed check menu customization settings Malfunction of external medium CF card Is the memory medium CF card working normally Is it a recommended device Replace the memory medium CF card with a new one See No 8 of the checklist in section 2 2 2 2 SM MV1000 01E 2 1 Failure Analysis Flow Chart Problems related to measurement Does the input meet the input specifications YES Are the range span and other input settings appropriate YES Have appropriate measures against noise been taken YES Is a constant ambient temperature maintained YES Is the input wiring correct YES Are other instruments connected in parallel NO Are the RJC settings and TC RTD type settings correct YES See No 6 of the checklist in section 2 2 NO Ensure that the input specifications are met Enter range span and other input settings that are appropriate When using the calibration correction function check the settings for the calibration correction
43. rument for thirty minutes before performing the test Enter the input value determined for each range Check whether the displayed measured values satisfy the reference values DC voltage generator To the input terminals Input terminal block 3 6 SM MV1000 01E 3 4 Test Procedures Reference Value Integral Time 20 ms 50 Hz 16 7 ms 60 Hz Input Value 20 000 mV Range Allowed by Test 18 digits 0 000 mV 20 000 mV 10 digits 18 digits Accuracy Specification 0 0596 of rdg 12 digits 60 00 mV 5 digits 0 00 mV 2 digits 60 00 mV 5 digits 0 0596 of rdg 3 digits 200 00 mV 10 digits 0 00 mV 2 digits 200 00 mV 2 0000 V 10 digits 18 digits 0 0000 V 10 digits 2 0000 V 18 digits 0 0596 of rdg 3 digits 0 0596 of rdg 12 digits m B 6 000 V 5 digits 0 000 V 2 digits 6 000 V 5 digits 0 0596 of rdg 3 digits 20 000 V 0 000 V 10 digits 2 digits 20 000 V 10 digits 0 0596 of rdg 3 digits 50 00 V 4 digits 0 00 V 2 digits 50 00 V 4 digits 0 05 of rdg 3 digits 200 18 52 O 0 4 0
44. standard class A use in a commercial industrial or business environment The MV is designed for indoor use Safety Precautions The general safety precautions described here must be observed during all phases of operation If the MV is used in a manner not described in this manual the protection provided by the MV may be impaired Yokogawa Electric Corporation assumes no liability for the customer s failure to comply with these requirements Use the Correct Power Supply Ensure that the source voltage matches the voltage of the power supply before turning ON the power In the case of a desktop type ensure that it is within the maximum rated voltage range of the provided power cord before connecting the power cord Usethe Correct Power Cord and Plug To prevent electric shock or fire be sure to use the power cord supplied by YOKOGAWA The main power plug must be plugged into an outlet with a protective ground terminal Do not disable this protection by using an extension cord without protective earth grounding Connect the Protective Grounding Terminal Make sure to connect the protective grounding to prevent electric shock before turning ON the power The power cord that comes with the desktop type is a three prong type power cord Connect the power cord to a properly grounded three prong outlet Do Not Impair the Protective Grounding Never cut off the internal or external protective grounding wire or disconnect the wiring of th
45. strument is operated and the instrument s specifications If the instrument is used in a 30 environment it may be operational for 10 years or more MV2000 Replacement Quantity period Used B8806BA For English B8806BB For Japanese LCD 5 years Bezel Assembly 1 Battery 10 years Battery Assembly B9900BR 1 Aluminum 1 electrolytic capacitor 5 years AD Assembly Depends on the model 5 years Power supply Assembly Replacement Period at the Upper Limit of the Normal Operating Temperature 40 The replacement period varies depending on the temperature in which the instrument is operated and the instrument s specifications If the instrument is used in a 30 environment it may be operational for 10 years or more The LCD should be replaced when the brightness of the LCD is reduced by half its original brightness The brighter the display the shorter the half life of the LCD Reductions in brightness vary depending on operating conditions and is a subjective determination The actual replacement period should be determined based on these considerations The LCD screen may start to yellow over time The brighter the screen the faster such changes may progress SM MV1000 01E
46. t AD SCANNER BOARD ASSEMBLY Does the integral time setting of the A D converter match the power supply frequency AD STD ISO Keep input wires away from noise Sources through distance and shielding etc 2 4 SM MV1000 01E 2 2 Troubleshooting Checklist Phenomenon External media functioning abnormally Abnormal communication USB operation abnormal 2 Description Is the memory medium CF card working normally Refer to Chapter 6 Part Name MV1000 MV2000 Page Item Check the FFC for the MEDIA whether pulled out or damaged MEDIA BOARD ASSEMBLY SUB BOARD ASSEMBLY Sub PCB Assembly MAIN BOARD ASSEMBLY Check communication settings Main PBA Check communication wiring cables whether pulled out or damaged POW TERM amp COMM BOARD ASSEMBLY I PWR Terminal 24V Power Terminal Power Terminal MAIN BOARD ASSEMBLY Main PBA Are connected USB devices USB memory and USB keyboard operating normally Check the FFC for the MEDIA whether pulled out or damaged MEDIA BOARD ASSEMBLY front panel Media CF PBA POW TERM amp COMM BOARD ASSEMBLY rear panel I PWR Terminal 24V Power Terminal Power Terminal 6 4 6 14 SUB BOARD ASSEMBLY Sub PCB Assembly 6 3 5 6 12 13 MAIN BOARD ASSEMBLY Main PB
47. t of assemblies offers the user the possibility to use YOKOGAWA instruments more effectively and economically with a minimum in downtime All Rights Reserved Copyright 2006 Yokogawa Electric Corporation SM MV1000 01E Trademark Revisions vigilantplant and MVAdvanced are registered trademarks or trademarks of Yokogawa Electric Corporation Adobe and Acrobat are registered trademarks or trademarks of Adobe Systems Incorporated Company and product names that appear in this manual are registered trademarks or trademarks of their respective holders The company and product names used in this manual are not accompanied by the registered trademark or trademark symbols and 1st Edition April 2008 SM MV1000 01E Introduction This manual contains information for servicing YOKOGAWA s MV1000 and MV2000 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 The MV conforms to IEC safety class provided with terminal for protective grounding Installation Category 11 Measurement Category II CAT II and EN61326
48. types of failures and their corrective actions 2 Description Power supply cable connection wiring Refer to Chapter 6 Part Name MV 1000 MV2000 Page Item Item MAIN POWER BOARD ASSEMBLY 12V POWER BOARD ASSEMBLY Power Assembly MAIN BOARD ASSEMBLY Main PBA SUB BOARD ASSEMBLY Sub PCB Assembly MAIN BOARD ASSEMBLY Main PBA SUB BOARD ASSEMBLY Sub PCB Assembly OPTION TERMINAL ASSEMBLY Battery connection Option Terminal Assembly Battery Assembly Battery voltage must be 3 0 V or more MAIN BOARD ASSEMBLY Main PBA SUB BOARD ASSEMBLY Sub PCB Assembly Check FFCs for key wiring whether pulled out or damaged SW BOARD ASSEMBLY Bezel Assembly CONNECTION BOARD ASSEMBLY Bezel Assembly MAIN BOARD ASSEMBLY Main PBA Check the FFCs for key wiring whether pulled out or damaged MAIN BOARD ASSEMBLY Main PBA SUB BOARD ASSEMBLY Sub PCB Assembly CONNECTION BOARD ASSEMBLY Bezel Assembly Back Light Unit of LCD ASSEMBLY Bezel Assembly 1 lt lt 1 lt lt S lt lt lt lt LCD ASSEMBLY Keep input wires away from noise Sources through distance and shielding etc Bezel Assembly Check that the input terminals are not disconnected from the instrument Check that the input terminal cover is not loose Check that the RJC INT EXT setting is correc
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