Yokogawa µR20000 - Manual (Page 6)

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SM 04P01B01-01E
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Contents
Important Notice to the User ........................................................................................................... i
Trademarks ..................................................................................................................................... i
Introduction ...................................................................................................................................... ii
Safety Standards and EMC Standards ........................................................................................... ii
Precautions Related to the Protection, Safety, and Alteration of the Product ................................. ii
Exemption from Responsibility ....................................................................................................... iii
Conventions Used in This 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 and Repair Procedures .......................................................................... 2-1
2.2 Failures and Corrective Actions ....................................................................................... 2-2
Chapter 3 Testing
3.1 Acceptance Test ............................................................................................................... 3-1
3.2 Self Diagnostic Test ......................................................................................................... 3-2
3.3 Performance Tests ........................................................................................................... 3-3
Test Environment ............................................................................................................. 3-3
Test Instruments ............................................................................................................... 3-3
Key Operations on the Recorder ..................................................................................... 3-4
Tests ................................................................................................................................. 3-7
3.4 Test Procedures ............................................................................................................... 3-8
Insulation Resistance ....................................................................................................... 3-8
Protective Grounding ....................................................................................................... 3-8
Withstand Voltage ............................................................................................................ 3-9
Measurement Accuracy ................................................................................................... 3-9
Channel-to-Channel Error .............................................................................................. 3-11
Burnout Detection .......................................................................................................... 3-11
Reference Junction Compensation Accuracy ................................................................ 3-12
Display ........................................................................................................................... 3-12
Keys ............................................................................................................................... 3-13
Power Supply Frequency Detection ............................................................................... 3-13
Battery Backup ............................................................................................................... 3-13
Recording Accuracy ....................................................................................................... 3-14
Z-Fold Chart Paper Feed Accuracy ............................................................................... 3-14
Dead Band (Pen Model) ................................................................................................ 3-15
Pen Offset (Pen Model) ................................................................................................ 3-15
Ink Bleed (Dot Model) .................................................................................................... 3-16
Overscale Amount .......................................................................................................... 3-16
Relay Contact Output ..................................................................................................... 3-16
Remote Control Input ..................................................................................................... 3-17
Loop Back Test (Ethernet Communication Interface, /C7) ............................................. 3-18
Z-Fold Chart Paper End Detection ................................................................................. 3-18
Other Functions in Test Mode ........................................................................................ 3-18