Fluke 2620A Data Acquisition Unit Manuals

Manuals and User Guides for Fluke 2620A Data Acquisition Unit. We have 2 Fluke 2620A Data Acquisition Unit manuals available for free PDF download: Manual, User Manual

Fluke 2620A Manual

Fluke 2620A Manual (310 pages)

Brand: Fluke | Category: Measuring Instruments | Size: 3 MB

Table of Contents

Table of Contents

7
List of Figures

15
- Introduction
  19
- Introduction and Specifications
  19
- Operating Instructions
  19
- Options and Accessories
  19
- Organization of the Service Manual
  20
- Conventions
  21
- Specifications
  23
Theory of Operation (2620A/2625A)

49
- Digital Kernel
  51
- Functional Block Description
  51
- Introduction
  51
- Main PCA Circuitry
  51
- Power Supply
  51
- Overall Functional Block Diagram
  53
- A/D Converter PCA
  54
- Analog Measurement Processor
  54
- Analog-To-Digital (A/D) Converter
  54
- Digital Inputs and Outputs
  54
- Inguard Microcontroller Circuitry
  54
- Input Protection Circuitry
  54
- Input Signal Conditioning
  54
- Serial Communication (Guard Crossing)
  54
- Channel Selection Circuitry
  55
- Channel Terminals
  55
- Detailed Circuit Description
  55
- Display PCA
  55
- IEEE-488 Option (-05)
  55
- Input Connector Assembly
  55
- Main PCA
  55
- Memory PCA (2625A Only)
  55
- Open Thermocouple Check Circuitry
  55
- Reference Junction Temperature
  55
- Power Supply Circuit Description
  56
- Digital Kernel
  58
- Digital I/O
  62
- Digital and Alarm Output Drivers
  63
- Digital Input Buffers
  63
- Digital Input Threshold
  63
- Digital Input Threshold 2-1
  63
- A/D Converter PCA
  64
- Analog Measurement Processor
  64
- External Trigger Input Circuits
  64
- Totalizer Input
  64
- Input Protection
  65
- Analog Simplified Schematic Diagram
  66
- Input Signal Conditioning
  68
- Ohms Simplified Schematic
  71
- AC Buffer Simplified Schematic
  72
- Passive and Active Filters
  73
- A/D Converter
  74
- A/D Converter Simplified Schematic
  74
- Channel Selection Circuitry
  75
- Inguard Microcontroller Circuitry
  75
- Input Connector PCA
  76
- Open Thermocouple Check
  76
- Display PCA
  77
- Front Panel Switches
  77
- Main PCA Connector
  77
- Beeper Drive Circuit
  78
- Display
  78
- Watchdog Timer and Reset Circuit
  78
- Command Byte Transfer Waveforms
  79
- Display Controller
  79
- Grid Control Signal Timing
  80
- Address Decoding
  81
- Grid-Anode Timing Relationships
  81
- Main PCA Connector
  81
- Memory PCA (2625A Only)
  81
- Page Register
  81
- Byte Counter
  82
- IEEE-488 Interface (Option -05)
  82
- Nonvolatile Memory
  82
A Theory of Operation (2635A)

83
- Theory of Operation (2635A)
  83
- 1. Introduction
  85
- 2. Functional Block Description
  85
- 3. Main PCA Circuitry
  85
- 4. Power Supply
  85
- 5. Digital Kernel
  85
- 10. Input Protection Circuitry
  88
- 11. Input Signal Conditioning
  88
- 12. Analog-To-Digital (A/D) Converter
  88
- 13. Inguard Microcontroller Circuitry
  88
- 6. Serial Communication (Guard Crossing)
  88
- 7. Digital Inputs and Outputs
  88
- 8. A/D Converter PCA
  88
- 9. Analog Measurement Processor
  88
- 14. Channel Selection Circuitry
  89
- 15. Open Thermocouple Check Circuitry
  89
- 17. 20 Channel Terminals
  89
- 18. Reference Junction Temperature
  89
- 21. Detailed Circuit Description
  89
- Display PCA
  89
- Input Connector Assembly
  89
- Main PCA
  89
- Memory Card Interface PCA
  89
- 23. Power Supply Circuit Description
  90
- 31. Digital Kernel
  92
- Digital I
  99
- 42. Digital I
  101
- 43. Digital Input Threshold
  101
- 44. Digital Input Buffers
  101
- 45. Digital and Alarm Output Drivers
  101
- 46. Totalizer Input
  101
- 47. External Trigger Input Circuits
  102
- 49. Analog Measurement Processor
  102
- A/D Converter PCA
  102
- Analog Measurement Processor
  102
- External Trigger Input Circuits
  102
- Input Signal Conditioning
  102
- Totalizer Input
  102
- 50. Input Protection
  106
- 51. Input Signal Conditioning
  107
- 57. Passive and Active Filters
  112
- 58. A/D Converter
  112
- A/D Converter
  112
- Passive and Active Filters
  112
- 59. Inguard Microcontroller Circuitry
  114
- 60. Channel Selection Circuitry
  114
- 61. Open Thermocouple Check
  114
- Channel Selection Circuitry
  114
- Inguard Microcontroller Circuitry
  114
- Open Thermocouple Check
  114
- 64. Main PCA Connector
  115
- Display PCA
  115
- Input Connector PCA
  115
- Main PCA Connector
  115
- 65. Front Panel Switches
  116
- 66. Display
  116
- 67. Beeper Drive Circuit
  116
- Beeper Drive Circuit
  116
- Display
  116
- Front Panel Switches
  116
- 68. Watchdog Timer and Reset Circuit
  117
- 69. Display Controller
  117
- 70. Memory Card Interface PCA
  119
- Memory Card Interface PCA
  119
- 71. Main PCA Connector
  120
- 72. Microprocessor Interface
  120
- 73. Memory Card Controller
  120
- Main PCA Connector
  120
- Microprocessor Interface
  120
- 74. PCMCIA Memory Card Connector
  121
General Maintenance

125
- General Maintenance
  127
- Introduction
  127
- Power Requirements
  127
- Required Equipment
  127
- Static Safe Handling
  127
- Warranty Repairs and Shipping
  127
- Cleaning
  128
- Servicing Surface-Mount Assemblies
  128
- Disassembly Procedures
  129
- Line Fuse Replacement
  129
- Replacing the Line Fuse
  129
- Remove Handle and Mounting Brackets
  130
- Remove the Display PCA
  130
- Remove the Front Panel Assembly
  130
- Remove the Instrument Case
  130
- Removing the Case
  131
- Removing the Handle and Handle Mounting Brackets
  132
- 2620A and 2625A Assembly Details
  133
- 2635A Assembly Details
  134
- Remove the IEEE-488 Option (2620A Only)
  135
- Remove the Memory Card I/F PCA (2635A Only)
  135
- Remove the Memory PCA (2625A Only)
  135
- Remove the A/D Converter PCA
  136
- Remove the Main PCA
  136
- Assembly Procedures
  137
- Disconnect Miscellaneous Chassis Components
  137
- Install Miscellaneous Chassis Components
  137
- Install the A/D Converter PCA
  137
- Install the IEEE-488 Option (2620A Only)
  138
- Install the Main PCA
  138
- Install the Memory PCA (2625A Only)
  138
- Assemble the Front Panel Assembly
  139
- Install the Front Panel Assembly
  139
- Install the Handle and Mounting Brackets
  139
- Install the Instrument Case
  139
- Install the Memory Card I/F PCA (2635A Only)
  139
Performance Testing and Calibration

141
- Introduction
  143
- Required Equipment
  143
- Accuracy Verification Test
  144
- Channel Integrity Test
  144
- Performance Tests
  144
- Thermocouple Measurement Range Accuracy Test
  146
- 4-Terminal Resistance Test
  147
- Input Module
  148
- Thermocouple Temperature Accuracy Test
  148
- Open Thermocouple Response Test
  151
- RTD Temperature Accuracy Test
  151
- RTD Temperature Accuracy Test (Using Decade Resistance Source)
  151
- RTD Temperature Accuracy Test (Using DIN/IEC 751)
  151
- RTD Temperature Accuracy Test (Using DIN/IEC 751)
  152
- Digital Input/Output Verification Tests
  153
- Digital Output Test
  153
- Digital Input Test
  154
- Totalizer Test
  154
- Totalizer Sensitivity Test
  155
- Dedicated Alarm Output Test
  156
- Dedicated Alarms Test
  157
- Calibration
  158
- External Trigger Input Test
  158
- External Trigger Test
  158
- Using Hydra Starter Calibration Software
  159
- Setup Procedure Using Starter
  160
- Using Hydra Starter Calibration Software
  160
- Calibration Procedure Using Starter
  161
- Calibration Procedure Using a Terminal
  162
- Setup Procedure Using a Terminal
  162
- Using a Terminal
  162
- Reference Junction Calibration
  164
- Concluding Calibration
  165
- Updating 2635A Data Bucket Embedded Instrument Firmware
  167
- Using the PC Compatible Firmware Loader Software
  168
- Default Instrument Firmware Download Procedure
  169
- Setup Procedure for Firmware Download
  169
- Using LD2635 Firmware Loader Directly
  169
- Using LD2635 Firmware Loader Directly
  170
Diagnostic Testing and Troubleshooting (2620A/2625A)

171
- Introduction
  173
- Servicing Surface-Mount Assemblies
  173
- Error Codes
  174
- General Troubleshooting Procedures
  176
- Test Point Locator, Main PCA (A1)
  177
- 5-Volt Switching Supply
  178
- Power Fail Detection
  178
- Power Supply Troubleshooting
  178
- Raw DC Supply
  178
- 5-Volt Switching Supply
  179
- Inverter
  179
- Inverter FET Drive Signals
  181
- Analog Troubleshooting
  182
- Test Points, A/D Converter PCA (A3, A3U9)
  185
- AC Volts Troubleshooting
  187
- DC Volts Troubleshooting
  187
- Integrator Output
  187
- Ohms Troubleshooting
  188
- Digital Kernel Troubleshooting
  189
- Microprocessor Timing
  190
- Digital and Alarm Output Troubleshooting
  191
- Digital Input Troubleshooting
  191
- Totalizer Troubleshooting
  191
- Test Points, Display PCA (A2)
  192
- Display Assembly Troubleshooting
  193
- Display Controller to Microprocessor Signals
  193
- Display Test Pattern #1
  193
- Variations in the Display
  195
- Calibration Failures
  196
- Calibration-Related Components
  196
- Introduction
  196
- Replacing the EEPROM (A1U1)
  198
- Retrieving Calibration Constants
  198
- IEEE-488 Interface PCA (A5) Troubleshooting
  199
- Memory PCA (A6) Troubleshooting
  199
- Power-Up Problems
  199
A Diagnostic Testing and Troubleshooting (2635A)

201
- 1. Introduction
  203
- Introduction
  203
- Servicing Surface-Mount Assemblies
  203
- Error Codes
  204
- 3. Error Codes
  205
- General Troubleshooting Procedures
  206
- 4. General Troubleshooting Procedures
  207
- 5-Volt Switching Supply
  208
- Power Fail Detection
  208
- Power Supply Troubleshooting
  208
- Raw DC Supply
  208
- Diagnostic Testing and Troubleshooting (2635A)
  209
- Inverter
  209
- 10. Analog Troubleshooting
  211
- 5. Test Points, A/D Converter PCA (A3U9) (2635A)
  215
- DC Volts Troubleshooting
  216
- AC Volts Troubleshooting
  217
- Ohms Troubleshooting
  217
- 14. Digital Kernel Troubleshooting
  218
- 14. Digital Kernel Troubleshooting
  219
- 15. Digital and Alarm Output Troubleshooting
  221
- 16. Digital Input Troubleshooting
  221
- 17. Totalizer Troubleshooting
  223
- 18. Display Assembly Troubleshooting
  223
- 18. Display Assembly Troubleshooting
  225
- Display Test Pattern #2
  225
- 19. Variations in the Display
  226
- 20. Calibration Failures
  227
- Calibration-Related Components
  227
- Introduction
  227
- Replacing the Flash Memory (A1U14 and A1U16)
  229
- Retrieving Calibration Constants
  229
- 25. Memory Card I/F PCA (A6) Troubleshooting
  230
- Failure to Detect Memory Card I/F PCA
  230
- Power-Up Problems
  230
- Failure to Detect Insertion of Memory Card
  231
- Failure to Illuminate the Battery Led
  231
- Failure to Power Card / Illuminate the Busy Led
  231
- Failure to Write to Memory Card
  232
- Write/Read Memory Card Test (Destructive)
  232
- List of Replaceable Parts
  235
- How to Obtain Parts
  237
- Introduction
  237
- Manual Status Information
  237
- Newer Instruments
  238
- Service Centers
  238
- 2620A/2625A Final Assembly
  239
- 2635A Final Assembly
  245
- 2620A/2625A A1 Main PCA
  254
- 2635A A1 Main PCA
  255
- 2625A A6 Memory PCA
  268
- 2635A A6 Memory Card I/F PCA
  271
Ieee-488 Option -05

273
- Functional Block Description
  275
- IEEE-488 PCA Detailed Circuit Description (2620A Only)
  275
- Introduction
  275
- Theory of Operation
  275
- IEEE-488 Controller
  276
- Main PCA Connector
  276
- General Maintenance
  277
- IEEE-488 Transceivers/Connector
  277
- Removing the IEEE-488 Option
  277
- Installing the IEEE-488 Option
  279
- Performance Testing
  279
- Communication Problems
  280
- Failure to Enter Remote
  280
- Failure to Handshake on IEEE-488 Bus
  280
- Failure to Select IEEE-488 Option
  280
- Power-Up Problems
  280
- Troubleshooting
  280
- Failure to Generate a Service Request (SRQ)
  281
- Failure to Generate an End or Identify (EOI)
  281
- Failure to Receive Multiple Character Commands
  281
- Failure to Transmit Query Responses
  281
- List of Replaceable Parts
  281
- Schematic Diagram
  281
- Figure Title Page
  283
- A1 Main PCA (2620A/2625A)
  285
- Schematic Diagrams
  285
- Interconnect Diagram
  286
- A1 Main PCA (2635A)
  290
- A2 Display PCA
  296
- A2 Display PCA
  297
- A3 A/D Converter PCA
  298
- A3 A/D Converter PCA
  299
- A4 Analog Input PCA
  302
- A4 Analog Input PCA
  303
- A6 Memory PCA (2625A)
  306
- A6 Memory Card I/F PCA (2635A)
  308

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Fluke 2620A User Manual

Fluke 2620A User Manual (197 pages)

Hydra Series II Data Acquisition Unit, Hydra Series II Data Logger

Brand: Fluke | Category: Measuring Instruments | Size: 0 MB

Table of Contents

Limited Warranty and Limitation of Liability
2
Table of Contents
3
Bescheinigung des Herstellers/Importeurs
10
Declaration of the Manufacturer or Importer
10
Interference Information
10
Safety Terms in this Manual
11
Getting Started
13
Turning on the Instrument
13
Taking Measurements
15
Introduction

19
- The Hydra Series II Data Acquisition Unit
  21
- The Hydra Series II Data Logger
  21
- Options and Accessories
  21
  - Applications Software
    21
  - IEEE-488 Interface Assembly
    21
  - Connector Set (2620A-100)
    21
- Hydra Features
  22
  - Accessories
    23
  - Where to Go from here
    23
Overview

25
- Introduction
  27
- Setting up the Instrument
  27
Chapter 2

27
- Unpacking and Inspecting the Instrument
  27
- Adjusting the Handle
  27
- Adjusting Handle
  27
  - Line Power
    28
  - Front/Rear Panel Features
    28
- Front Panel
  29
  - Right Display
    30
  - Left Display
    30
- Annunciators
  30
- Display Annunciators
  31
- Rear View
  32
  - Input Channels
    33
  - Operating Modes
    33
  - Turning the Instrument on
    33
  - Front Panel Display
    34
  - Reading the Display
    34
    
    Left Display
    34
    
    Right Display
    34
    
    Specific Annunciators
    34
  - Front Panel Buttons
    35
    
    Selecting a Channel
    35
    
    Using the Buttons
    35
- Front Panel Pushbuttons
  35
  - Setting up a Channel
    36
  - Setting Alarm Limits and MX+B Scaling Values
    38
    
    Alarm Limits
    38
    
    MX+B Scaling
    39
  - Setting the Scan Interval
    39
  - Using the Monitor Function
    40
  - Using the Scan Function
    40
  - Reviewing Channel Data
    40
  - Viewing the Totalizer Count
    41
  - Using External DC Power
    41
- Review Array
  41
  - Using the Rack Mount Kit
    42
Operating the Instrument from the Front Panel

43
- Configuration Mode
  45
  - Introduction
    45
Chapter 3 Describes How to Use the Instrument Features that Were Introduced in Chapter

45
- Operating Modes
  45
- Other Displayed Data
  46
- What Is the Present Configuration
  46
  - If Power Is Interrupted
    46
  - If the Configuration Is Reset
    46
- Channel Configuration
  46
  - Selecting Channel, Function, and Range
    46
- Configuration Reset Settings
  47
- DC Voltage, AC Voltage
  48
- Resistance
  49
- Frequency
  49
- Thermocouple Temperature
  50
  - Setting Alarms
    51
    
    Alarm Limits
    51
- RTD Temperature
  51
  - Alarm Indications
    52
- Alarm Selection
  52
  - Resetting Alarm Conditions
    53
    
    Using the Digital I/O Lines
    53
    
    MX+B Scaling
    54
- Initial Alarm Assignments, Digital I/O Lines 4 through 7
  54
  - Instrument Configuration
    56
    
    Entering and Changing Numeric Values
    56
- MX+B Selection
  56
  - Selecting Scan Interval
    57
  - Selecting the Measurement Rate
    57
  - Triggering
    58
  - External Triggering
    58
  - Changing the Temperature Unit
    58
- Measurement Rate Selection
  58
- Trigger Type Selection
  58
  - Setting Date and Time of Day
    59
  - Measurement Connections
    59
- Date/Time Selection
  59
  - DC Volts, AC Volts, Frequency, and Thermocouples
    60
- Input Module Connections
  61
  - Resistance and RTD
    62
- Thermocouple Ranges
  62
- Terminal and 4-Terminal Connections
  63
  - Totalizing
    64
    
    Connections
    64
    
    General
    64
  - Review Array
    64
  - List Button Functions
    65
- Review Array
  65
- List Button Operation
  66
  - Autoprint
    67
  - Memory Storage
    67
  - Front Panel Lock out Conditions
    68
    
    Front Panel Monitor Only Function
    68
    
    Front Panel Review Only Function
    68
- Autoprint/Memory Storage Selection
  68
- Clearing Memory Storage
  68
  - Computer Interface-Initiated Lockouts
    69
  - REM Annunciator
    69
  - Calibration
    69
- REM Annunciation
  69
Using the Computer Interface

71
- Introduction
  73
Chapter 4

73
Additional Considerations

117
Chapter 5

119
- Introduction
  119
- Measurement Rate
  119
- Advanced Trigger Mechanisms
  119
- External Trigger Timing
  121
- T and 4T-Connections
  123
  - True RMS Measurements
    124
    
    Effects of Internal Noise in AC Measurements
    124
    
    Waveform Comparison (True RMS Vs Average Responding)
    124
- Ohms Test Voltage
  124
  - Making Mixed Measurements
    125
- Comparison of Common Waveforms
  126
  - Using Shielded Wiring
    127
    
    Alternate Suggestions
    127
    
    General Rule
    127
    
    Isolated and Shielded Sensor Configuration
    127
    
    Non-Isolated Sensor Configuration
    127
    
    In more Detail
    128
Maintenance

129
Chapter 6

131
- Introduction
  131
- Cleaning
  131
- Line Fuse
  131
- Self-Test Diagnostics and Error Codes
  131
- Performance Tests
  132
- Replacing the Line Fuse
  132
- Power-Up Error Codes
  133
- Recommended Test Equipment
  134
  - Accuracy Verification Test
    135
  - Channel Integrity Test
    135
- Performance Tests (Voltage, Resistance, and Frequency)
  136
- Terminal Connections to 5700A
  140
  - Open Thermocouple Response Test
    141
- Performance Tests for Thermocouple Temperature Function (IPTS-68/ITS-90)
  141
- Terminal Connections to Decade Resistance Box
  141
  - Performance Tests for RTD Temperature Function (Resistance) (DIN/IEC 751 Amendment 1) (IPTS-68)
    142
  - RTD Temperature Accuracy Test
    142
    
    RTD Temperature Accuracy Test (Using Decade Resistance Source)
    142
    
    Digital Input/Output Verification Tests
    143
    
    Performance Tests for RTD Temperature Function (DIN/IEC 751 Amendment 1 IPTS-68)
    143
    
    RTD Temperature Accuracy Test (Using DIN/IEC 751)
    143
    
    Digital Input Test
    144
    
    Digital Output Test
    144
    
    Totalizer Test
    145
- Digital Input Values
  145
  - Totalizer Sensitivity Test
    146
    
    Dedicated Alarm Output Test
    147
- Dedicated Alarms Output Test
  148
  - Calibration
    149
  - External Trigger Input Test
    149
    
    External Trigger Test
    149
    
    Switch Power on
    149
  - Service
    150
  - Variations in the Display
    150
Appendices

151
- Response Times
  153
Appendix

153
- Specifications
  153
- A Specifications
  153
  - Thermocouple Inputs
    155
  - RTD Inputs
    157
  - AC Voltage Inputs
    158
  - Input Protection
    161
  - Frequency Inputs
    162
  - Frequency Range
    162
  - Digital Inputs
    164
  - Trigger Input
    165
  - Real-Time Clock and Calendar
    166
- B ASCII & IEEE-488 Bus Codes
  169
- ASCII & IEEE-488 Bus Codes
  169
  - Upper Case Lower Case
    170
  - Implementation of Ieee Standard
    171
- C IEEE-488.2 Devise Documentation Requirements
  171
- IEEE-488.2 Devise Documentation Requirements
  171
- Numeric Program Data
  173
- D Making Mixed Measurements
  177
- Making Mixed Measurements
  177
- E Binary Upload of Logged Data (LOG_BIN?) (2625A Only
  181
- Binary Upload of Logged Data (LOG_BIN?) (2625A Only
  181
- E-1. ASCII String Decoding
  182
- Floating Point Conversion
  183
- E-1. Floating Point Format
  184
- E-2. Floating Point Conversion
  185
- E-3. Example
  186
  - F RS-232 Cabling
    187
  - RS-232 Cabling
    187
    
    F-1. Summary of RS-232 Connections
    188
    
    F-2. Hydra (DB-9) to PC (DB-9) RS-232 Connection (Generic)
    189
    
    F-3. Hydra (DB-9) to PC (DB-25) RS-232 Connection
    190
    
    F-4. Hydra (DB-9) to Modem (DB-25) RS-232 Connection
    191
    
    F-5. Hydra (DB-9) to Printer (DB-25) RS-232 Connection
    192
    
    F-6. RS-232 DB9 and DB-25 Connectors
    193

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