Yokogawa Removable Chassis DX1000N - Manual (Page 6)

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Contents
Important Notice to the User ..............................................................................................................i
Trademark ..........................................................................................................................................i
Revisions ...........................................................................................................................................i
Introduction .......................................................................................................................................ii
Safety Standards and EMC Standards .............................................................................................ii
Safety Precautions ............................................................................................................................ii
Safety Symbols Used on Equipment and in Manual ........................................................................ iii
Conventuins Used in Manual ........................................................................................................... iii
Overview of This Manual .................................................................................................................iv
Chapter 1 Principles of Operation
1.1 Principles of Operation ........................................................................................................ 1-1
Chapter 2 Troubleshooting
2.1 Failure Analysis Flow Chart ................................................................................................. 2-1
2.2 Troubleshooting Checklist .................................................................................................... 2-4
Chapter 3 Testing
3.1 Acceptance Test .................................................................................................................. 3-1
3.2 Self Diagnostic Test ............................................................................................................. 3-2
3.3 Performance Test ................................................................................................................. 3-3
Test Environment ................................................................................................................. 3-3
Test Instruments .................................................................................................................. 3-3
Instrument Operation ........................................................................................................... 3-3
Tests .................................................................................................................................... 3-3
3.4 Test Procedures ................................................................................................................... 3-4
Insulation Resistance ........................................................................................................... 3-4
Protective Grounding ........................................................................................................... 3-4
Withstand Voltage ................................................................................................................ 3-5
Measurement Accuracy ....................................................................................................... 3-6
Reference Junction Compensation Accuracy ...................................................................... 3-8
Battery Backup .................................................................................................................... 3-8
Pulse Input Function ............................................................................................................ 3-9
Chapter 4 Adjustments
4.1 Before Making Adjustments ................................................................................................. 4-1
Environment ......................................................................................................................... 4-1
Instrument Operation ........................................................................................................... 4-1
Note ..................................................................................................................................... 4-1
4.2 Adjusting the A/D Converters ............................................................................................... 4-2
Chapter 5 Schematic Diagram
5.1 Schematic Diagram (DX1000/DX1000N) ............................................................................ 5-1
5.2 Schematic Diagram (DX2000) ............................................................................................. 5-2