YOKOGAWA DAQSTATION DX100 Service Manual
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YOKOGAWA DAQSTATION DX100 Service Manual

YOKOGAWA DAQSTATION DX100 Service Manual

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Service
Manual
Yokogawa Electric Corporation
DAQSTATION
DX100/DX200
SM 04L01A01-01E
4th Edition

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Summary of Contents for YOKOGAWA DAQSTATION DX100

  • Page 1 Service Manual DAQSTATION DX100/DX200 SM 04L01A01-01E 4th Edition Yokogawa Electric Corporation...

  • Page 2: Important Notice To The User

    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.

  • Page 3: Introduction

    Introduction This manual contains information for servicing the YOKOGAWA DAQSTATION DX100/ DX200. Note This is the third edition of the manual, dated August 2007. WARNING 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.
  • Page 4 WARNING Power Supply Ensure the source voltage matches the voltage of the power supply before turning ON the power. Protective Grounding The protective earth terminal must be connected to ground to prevent an 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.

  • Page 5: Overview Of This Manual

    Overview of This Manual This manual is meant to be used by qualified personnel only. Make sure you read the safety precautions at the beginning of this manual and the warnings and cautions contained in any relevangt chapters prior to carrying out servicing. This manual contains the following chapters.

  • Page 6: Table Of Contents

    Contents Important Notice To the User .......................1 Introduction ............................2 Safety Precautions ..........................2 Overview of This Manual ........................4 Chapter 1 Principles of Operation 1.1 Block Diagram of the DX ......................1-1 1.2 Input Section ..........................1-1 1.2.1 A/D Assembly ....................... 1-1 1.2.2 Input Terminal .......................

  • Page 7: Chapter 1 Principles Of Operation

    1.1 Block diagram of the DX/1.2 Input section Chapter 1 Principles of Operation This chapter describes the principles of operation for the DX100 and DX200. 1.1 Block Diagram of the DX Data storage functions External storage Input section Internal memory Input terminal Scanner assembly Display unit...

  • Page 8: Scanner Assembly

    1.2 Input Section/1.3 Data Storage Functions/1.4 Display Unit/1.5 Calculation Function/1.6 Alarm Function/1.7 Other Functions 1.2.3 Scanner Assembly An in-house SSR (solid state relay) is being used for the scanner. The SSR, having a semiconductor switch, has a withstand voltage as high as 1500 V and a leakage current of only 1 nA.

  • Page 9: Chapter 2 Testing

    2.1 Acceptance Test/2.2 Self Dignostic Test Chapter 2 Testing This chapter describes the following tests. 2.1 Acceptance test 2.2 Self Diagnostic test 2.3 Performance test 2.1 Acceptance Test This section describes the procedure to perform the acceptance test. Read the preface, to the user’s manual, “Checking the Package Contents” and verify that you have all of the contents.

  • Page 10: Performance Test

    Allow a warm up time of at least 30 minutes for required instruments and the unit under test. Instruments Required for Tests Instrument Required Specifications Recommended Accuracy: ± 50ppm DC Voltage Generator FLUKE 5520A Accuracy: ± 10ppm Decade Resistance Box YOKOGAWA 279301 ± 0.01°C Thermostatic Chamber Thermocouple Calibrated SM 04L01A01-01E...

  • Page 11: Measurement Accuracy Test

    The resistance of three lead wires must be equal. Input terminals Decade resistance box (RTD inputs) (Model 2793-01 from Yokogawa Meters & Instruments Corporation) Figure 2.1 Connection diagram Procedure Connect the equipment as shown in Figure 2.1 Carry out the preparations as described in 2.3.1 Apply input voltage/resistance to the DX and verify that the measured value lies within the tolerance for each range according to the table below.

  • Page 12: Reference Junction Compensation Accuracy Test

    2.3 Performance Test Range Temperature Input Resistance Tolerance Specification 18.52 Ω -200°C -200.6 to -199.4 l00.00 Ω ±(0.15% of reading+0.3°C) Pt100 0°C -0.3 to +0.3 313.71 Ω 600°C +598.8 to +601.2 For /N1 model Range Temperature Input Resistance Tolerance Specification 18.52 Ω...

  • Page 13: Chapter 3 Replacing Parts

    3.1 Replaceable Parts When replacement of parts is necessary, we strongly recommend replacement with an assembly unit. YOKOGAWA instruments have been designed in a way that the replacement of parts can be done on an assembly (module) basis by the user.

  • Page 14: Recommended Replacement Periods For Worn Parts

    The replacement parts may change to accommodate preventive maintenance over extended time. Be sure to check with your nearest YOKOGAWA dealer. The recommended replacement periods for worn parts are shown in the following table.

  • Page 15: Replacing The Fuse

    • To prevent the possibility of fire, use only the specified fuse purchased from YOKOGAWA. • Never short circuit the fuse holder to bypass the use of a fuse. • To avoid the possibility of electric shock, open the front panel only when replacing the fuse.

  • Page 16: Replacing The Battery

    • To prevent the possibility of fire, use only the specified fuse purchased from YOKOGAWA. • Never short circuit the fuse holder to bypass the use of a fuse. Follow the procedures below to replace the fuse.

  • Page 17: Chapter 4 Adjustments

    4.1 Before You Begin Chapter 4 Adjustments This chapter describes how to adjust the DAQSTATION DX100/DX200. Adjustment is required when the performance test results in an excessive tolerance error, or after replacing the AD board assembly. In addition, adjustments are recommended once a year to maintain high accuracy.

  • Page 18: Ad Board Offset And Gain Adjustment

    4.2 AD Board Offset and Gain Adjustment 4.2 AD Board Offset and Gain Adjustment An EEPROM for saving calibrated values is located on every AD board, so you must perform adjustments on each board. 4.2.1 Manual Adjustment Connection When DC range When RTD or Cu range GROUP 1 GROUP 1...
  • Page 19 4.2 AD Board Offset and Gain Adjustment After step 2, the screen in figure 4.3 will appear. Select item #2 for Cal/Exec. Figure 4.3 Task item select on screen. The screen in figure 4.4 appears. Select the adjusting range then press ENTER. DX100 DX200 Figure 4.4 Range select on screen.
  • Page 20 4.2 AD Board Offset and Gain Adjustment If all ranges are set, push the ESC key. The screen returns to figure 4.3. Select item #3 to end the task. The dialog box in figure 4.5 appears. Select Yes to save the calibrated value to the EEPROM. The screen will return to figure 4.2.

  • Page 21: Pc Controlled Adjustment

    4.2 AD Board Offset and Gain Adjustment 4.2.2 PC Controlled Adjustment You can also adjust the DX using a PC. Connection When DC range When RTD or Cu range GROUP 1 GROUP 1 CH2 CH1 DECADE DC Voltage RESISTANCE standard DECADE DC Voltage RESISTANCE...

  • Page 22: Chapter 5 Troubleshooting

    5.1 Procedure/5.2 Flow Chart Chapter 5 Troubleshooting This chapter explains the causes of problems and how to identify faulty assemblies through self diagnosis and troubleshooting. 5.1 Procedure 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.

  • Page 23: Troubleshooting Checklist

    5.3 Troubleshooting Checklist 5.3 Troubleshooting Checklist Trouble Operational Check Item Power is not Power cable connection turned ON Fuse is blown Power ass'y CPU ass'y Memory ass'y Display ass'y CPU ass'y FAIL state Memory ass'y Display ass'y Optional terminal ass'y Battery connector is disconnected? Memory cannot Battery voltage is low (less than +3.0V)

  • Page 24: Chapter 6 Schematic Diagram

    Chapter 6 Schematic Diagram DX100 SM 04L01A01-01E...
  • Page 25 DX200 SM 04L01A01-01E...

  • Page 26: Chapter 7 Customer Maintenance Parts List

    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. Copyright Dec. 1999(YK).10.1th Edition:Jan.2007 (YK) CMPL DX100-01E Yokogawa Electric Corporation SM 04L01A01-01E...
  • Page 27 7.1 DX100 Customer Maintenance Parts List Complete Set 10 11 Item Part No. Description B9967AM Tag Cover B9967AN Tag Plate (DX102,104) (select) B9967AP Tag Plate (DX106,112) Y9308LB B.H.Screw,M3x8 B9967BA Bezel Assembly (see page 5) Fuse Holder A1347EF Fuse (not /P1) (select) A1352EF Fuse (/P1)
  • Page 28 7.1 DX100 Customer Maintenance Parts List 23-b 23-a 20 21 38 39 SM 04L01A01-01E...
  • Page 29 7.1 DX100 Customer Maintenance Parts List Item Part No. Description Item Part No. Description B9967CS SW Lever Assembly B9967GB FDD Drive Assembly (DX1 Y9308LB B.H.Screw,M3x8 B9967DM Sheet B9960MX Stud B9967DN Sheet B9905CF Roller B9968HG FDD Drive Assembly B9967CT SW Lever A1161UN Memory System B9967BQ...
  • Page 30 7.1 DX100 Customer Maintenance Parts List Bezel Assembly Item Part No. Description Item Part No. Description B9967BH Key Case Assembly B9967BU Screw B9967BN Hinge Pin B9967AY Packing B9567AQ Spring B9967MA Key FPC B9967BP Front Plate B9967BT FPC Guard E9655AL Spring B9967BX Rivet B9967BM...
  • Page 31 7.1 DX100 Customer Maintenance Parts List SM 04L01A01-01E...
  • Page 32 7.1 DX100 Customer Maintenance Parts List Item Part No. Qty Description Item Part No. Qty Description B9968KA Option Terminal Assembly*1 B9967FD Name Plate (DX102 not /H2) B9968KB Option Terminal Assembly*8,*14 B9968FV Name Plate (DX104 not /H2) B9967FA Name Plate (DX106 not /H2/N1/N2) B9968KC Option Terminal Assembly*2 B9968KD...

  • Page 33: Dx100 Standard Accessories

    7.2 DX100 Standard Accessories 7.2 DX100 Standard Accessories Standard Accessories Item Part No. Description A1006WD Power Supply Code (UL.CSA standard) *1.*2 A1253JZ 3P-2P Adapter *1 A1009WD Power Supply Code (VDE standard) *3 (select) A1023WD Power Supply Code (BS standard) *4 A1024WD Power Supply Code (SAA standard) *5 A1064WD...

  • Page 34: Dx200 Customer Maintenance Parts List

    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. CMPL DX200-01E Copyright Oct. 1999(YK).13th Edition:Oct.2009 (YK) Yokogawa Electric Corporation SM 04L01A01-01E...
  • Page 35 7.3 DX200 Customer Maintenance Parts List Complete Set Item Part No. Description B9968BA Bezel Assembly (*2) (select)(see page 5) B9968BE Bezel Assembly (*1) A1423EF Fuse (not /P1) (select) A1463EF Fuse ( /P1) Y9412LB B.H.Screw,M4x12 B9968AN Tag Plate (DX210,220,230) (select) B9968AP Tag Plate (DX204,204C,208,208C) B9968AM Tag Cover...
  • Page 36 7.3 DX200 Customer Maintenance Parts List 21 20 19 SM 04L01A01-01E 7-11...
  • Page 37 7.3 DX200 Customer Maintenance Parts List Item Part No. Description B9968SL S-Sub Power Board Assembly (not /H5 ,/P1) B9968TL I-Sub Power Board Assembly (/H5 and not /P1) (select) B9968TK S24-Sub Power Board Assembly (/P1) B9968QC Fast 2AD(PT) Assembly (DX204,204C,208,208C)(not /N1) B9968QA Slow AD(PT) Assembly (DX210,220,230)(not /N1) (select)
  • Page 38 7.3 DX200 Customer Maintenance Parts List Bezel Assembly Item Part No. Description B9968BA Bezel Assembly (for English) (select) B9968BE Bezel Assembly (for Japanese) B9968BB Sub Bezel Assembly B9968PA Back Light Unit (NEC) (select) A1048VZ Back Light Unit (KYOCERA) B9968BR Key Case Assembly (for English) (select) B9968BV Key Case Assembly (for Japanese)
  • Page 39 7.3 DX200 Customer Maintenance Parts List SM 04L01A01-01E 7-14...
  • Page 40 7.3 DX200 Customer Maintenance Parts List Part No. Qty Item Description Model Code Suffix Code (options) B9968LE Input Terminal Assembly (DX210,220,230)(not /H2/N1/N2) B9968LN Input Terminal Assembly (DX210,220,230)(/N1/N2 and not /H2) B9968JB Input Terminal Assembly (DX210,220,230)(/H2 and not /N1/N2) B9968JC Input Terminal Assembly (DX210,220,230)(/H2 and /N1/N2) (select) B9968LJ Input Terminal Assembly (DX204,204C,208,208C)(not /H2)

  • Page 41: Dx200 Standard Accessories

    7.4 DX200 Standard Accessories 7.4 DX200 Standard Accessories Standard Accessories Item Part No. Description A1006WD Power Supply Code (UL.CSA standard) *1.*2 A1253JZ 3P-2P Adapter *1 A1009WD Power Supply Code (VDE standard) *3 A1023WD Power Supply Code (BS standard) *4 (select) A1024WD Power Supply Code (SAA standard) *5 A1064WD...

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