Fluke 5790A Manuals

Manuals and User Guides for Fluke 5790A. We have 3 Fluke 5790A manuals available for free PDF download: Service Manual, Operator's Manual

Fluke 5790A Service Manual

Fluke 5790A Service Manual (354 pages)

AC Measurement Standard

Brand: Fluke | Category: Measuring Instruments | Size: 8.37 MB

Table of Contents

Table of Contents
3
List of Tables
9
List of Figures
11
Introduction and Specifications

15
- Introduction
  15
- Service Information
  15
- Symbols
  15
- Safety Instructions
  16
- Input Source Limits
  16
- Power Source
  16
- Proper Fuse Usage
  16
- Grounding of the 5790A
  16
- Proper Power Cord Usage
  16
- Do Not Operate in Explosive Atmosphere
  16
- Do Not Attempt to Operate if Protection May be Impaired
  16
- Do Not Remove the Cover Unless Qualified
  17
- Do Not Service Alone
  17
- Use Care When Servicing with Power on
  17
- Specifications
  17
- Specifications
  19
- General Specifications
  28
Theory of Operation

31
- Chapter 1
  
  33
  - Introduction
    33
- Chapter 2
  
  35
  - Introduction
    35
  - 5790A Overview
    35
  - Functional Block Diagram Discussion
    35
  - Digital Section Overview
    36
  - Analog Section Overview
    36
  - Functional Block Diagram
    37
  - Digital Section Block Diagram
    38
  - System Interconnect Detailed Circuit Description
    39
  - Digital Motherboard Assembly (A4)
    39
  - Transformer Assembly (A22)
    39
  - Analog Motherboard Assembly (A3)
    39
  - Rear Panel I/O Assembly (A21)
    40
  - Rear Panel Power Supplies
    40
  - Rear Panel Digital Control
    40
  - Clock Regeneration Circuit
    40
  - IEEE-488 (GPIB) Interface
    40
  - RS-232-C Interface
    41
  - Rear Panel CPU Interface
    42
  - Digital Section Detailed Circuit Description
    42
  - Digital Power Supply Assembly (A19)
    42
  - Power Supply
    42
  - Power Supplies
    42
  - Power Supply
    43
  - And 75 V Shut-Down Circuit
    43
  - CPU Assembly (A20)
    44
  - Power-Up and Reset Circuit
    44
  - CPU Assembly Block Diagram
    45
  - Clock Generation
    47
  - Watchdog Timer
    47
  - Address Decoding and DTACK (Data Acknowledge)
    48
  - Interrupt Controller
    49
  - Glue Logic
    49
  - RAM (Random-Access Memory)
    49
  - ROM (Read-Only Memory)
    49
  - Electrically-Erasable Programmable Read-Only Memory (EEPROM)
    50
  - DUART (Dual Universal Asynchronous Receiver/Transmitter) Circuit
    50
  - Clock/Calendar Circuit
    50
  - Clock Filter Circuit
    50
  - CPU to Rear Panel Interface
    50
  - CPU to Front Panel Interface
    51
  - Front Panel Assembly (A2)
    51
  - Clock Regeneration Circuitry
    51
  - Refresh Failure Deject Circuitry
    51
  - Decoding and Timing Circuitry
    52
  - Control Display Circuitry
    52
  - Measurement Display Circuitry
    53
  - Keyboard Scanner Circuitry
    54
  - LED Circuitry
    54
  - Keyboard Assembly (A1)
    55
  - Analog Section Detailed Circuit Description
    56
  - Filter Assembly (A18)
    56
  - Unregulated CH Supplies
    57
  - Unregulated LH Supplies
    57
  - Unregulated 17 SR Supplies
    57
  - Triac Circuit
    57
  - FR1 Supplies
    57
  - Unregulated FR1 Supply
    58
  - FR2 Supplies
    58
  - Regulator/Guard Crossing Assembly (A17)
    58
  - Voltage Regulator Circuitry
    58
  - Regulated LH Supplies
    59
  - Regulated 17 S Supplies
    59
  - Regulated 15 CH Supplies
    59
  - FR1 Supply
    59
  - FR2 Supply
    60
  - Guarded Digital Control Circuitry
    60
  - Transfer Assembly (A10)
    63
  - Input Signal Paths
    63
  - A10 Transfer Assembly Block Diagram
    63
  - Divider Network Simplified Schematic
    64
  - Precision Amplifiers
    65
  - Thermal Sensor Circuit
    66
  - Digital Interface and Control
    66
  - A/D Amplifier Assembly (A15)
    67
  - Chopper Circuit
    67
  - Chopper Circuit Block Diagram
    67
  - A/D Amplifier Circuits
    69
  - A15 A/D Amplifier Block Diagram
    69
  - Digital Control and Power Supply
    71
  - DAC Assembly (A16)
    71
  - DAC Assembly Reference Circuitry
    72
  - A16 DAC Assembly Block Diagram
    72
  - Duty-Cycle Control Circuit
    73
  - DAC Filter Circuit
    74
  - DAC Output Stage
    74
  - Sense Current Cancellation Circuit
    74
  - Linearity Control Circuit
    74
  - Negative Offset Circuit
    75
  - Wideband Module (A6, Option -03)
    75
  - Input Signal Path for the Upper Four Ranges
    77
  - Input Signal Path for the Lower Four Ranges
    77
  - DC Offset Feedback for Amplifier U3 (Lower Ranges)
    78
  - RMS Sensor Circuit
    78
  - Transfer Methodology
    78
  - DC Offset Feedback for the RMS Sensor Amplifier
    78
  - Range Comparator
    79
  - Wideband Frequency Counter
    79
  - Digital Control
    80
  - A6A2 Input Protection Module
    80
Calibration and Verification

81
- Chapter 3
  
  83
Maintenance

151
- Chapter 4
  
  153
  - Introduction
    153
  - Cleaning the Air Filter
    153
  - General Cleaning
    153
  - Cleaning Pca's
    154
  - Accessing the Air Filter
    154
  - Access Procedures
    155
  - Top and Bottom Covers
    155
  - Digital Section Cover
    155
  - Analog Section Covers
    155
  - Rear Panel Removal and Installation
    155
  - Rear Panel Removal
    155
  - Rear Panel Assembly Access
    156
  - Front Panel Removal and Installation
    157
  - Display Assembly Removal and Installation
    157
  - Keyboard Assembly Removal and Installation
    157
  - Front Panel Removal
    157
  - Analog Assembly Removal and Installation
    158
  - Digital Assembly Removal and Installation
    158
  - Power Transformer Removal and Installation
    158
  - Hybrid Cover Removal
    159
  - Installing a Wideband AC Module (Option -03)
    159
  - Clearing Ghost Images from the Control Display
    160
  - Analog and Digital Assemblies
    160
  - Replacing the Clock/Calendar Backup Battery
    161
  - Using Remote Commands Reserved for Servicing
    161
  - Using the FATALITY? and FATALCLR Commands
    161
  - Error Codes
    162
Troubleshooting

169
- Chapter 5
  
  171
  - Introduction
    171
  - Main CPU (A20) Power-Up Tests
    171
  - A17 Guard Crossing Processor Power-Up Tests
    171
  - System Startup Tests
    172
  - Diagnostic Tests
    172
  - Test Step: MAMA8255 (Motherboard 8255)
    173
  - Test Step: DAC8254 (DAC 8254)
    174
  - Test Step: AD8255 (A/D 8255)
    174
  - Test Step: ADSELFTEST (A/D Internal Selftest)
    175
  - Test Step: ADZEROS (A/D Zeros)
    175
  - Test Step: ADNULLDAC (A/D Null DAC)
    175
  - Test Step: ADDAC (A/D DAC Output)
    176
  - Test Step: CHOPPER (A/D Chopper)
    177
  - Test Step: PROT (Protection)
    178
  - Test Step: OVLD (Overload)
    178
  - Test Step: ZEROS
    179
  - Test Step: DIVIDERS (Input Dividers)
    179
  - Test Steps: X2_2V through X2_2MV
    180
  - Test Step: MATCH (Sensor Match)
    181
  - Test Step: XFREQ (Frequency Measuring)
    181
  - Test Step: LOOPFILT (Sensor Filter)
    181
  - Test Step: WOVLD (Wideband Overload)
    182
  - Test Steps: W7V through W2_2MV (Wideband 2.2 MV Range)
    182
  - Test Step: WFREQ (Wideband Frequency Measuring)
    182
  - Test Step: WLOOPFILT (Wideband Sensor Filter)
    183
List of Replacable Parts

185
- How to Obtain Parts
  187
- Introduction
  187
- Manual Status Information
  187
- Newer Instruments
  187
- A10A1 Precision Amplifier PCA
  188
- A10A2 High Voltage Protection Amplifier PCA
  188
- A10A3 High-Gain Precision Amplifier PCA
  188
- Parts Lists
  188
- Service Centers
  188
- A15 A/D Amplifier PCA
  189
- Final Assembly
  192
- A16 Dac Pac
  239
- Figure Title Page
  
  259
- A1 Keyboard PCA
  261
- A2 Front Panel PCA
  263
- A3 Analog Motherboard PCA
  268
- A4 Digital Motherboard PCA
  272
- A6 Wideband PCA (Option -03)
  275
- A6A1 RMS Support PCA
  280
- A6A2 WB Input Protection PCA
  281
- A10 Transfer PCA
  282
- A16A1 DAC Filter PCA
  298
- A18 Filter PCA
  302
- A19 Digital Power Supply PCA
  305
- A20 Cpu Pca
  308
- A21 Rear Panel I/O PCA
  314
- A62 Input Block Assembly
  317
- A Glossary of AC-DC Transfer Related Terms
  321
- B ASCII and IEEE – 488 Bus Codes
  321
- C Calibration Constant Information
  321

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Fluke 5790A Operator's Manual

Fluke 5790A Operator's Manual (220 pages)

AC Measurement Standard

Brand: Fluke | Category: Test Equipment | Size: 1.86 MB

Table of Contents

Table of Contents
7
Introduction and Specifications

15
Chapter 1

17
- Introduction
  17
- Inside the 5790A
  17
- Measurement and Transfer Modes
  17
- An Overview of the Features
  18
- Instruction Manuals
  19
- 5790A Operators Manual
  19
- 5790A Remote Programming Reference Guide
  19
- 5790A Service Manual
  19
- Wideband Module (Option 5790A-03)
  19
- Current Shunt Adapters
  20
- Warranty and Service Information
  20
- Specifications
  20
- General Specifications
  31
Installation

33
Chapter 2

35
- Introduction
  35
- Unpacking and Inspection
  35
- Environmental and Input Requirements
  36
- Cooling Considerations
  36
- Placement and Rack Mounting
  37
- Accessing the Fuse
  37
- Selecting Line Voltage
  38
- Connecting to Line Power
  38
Features

41
- Introduction
  43
- Front Panel Features
  43
- Rear Panel Features
  43
- Front Panel Features
  44
Front Panel Operation

49
Chapter 4

51
- Introduction
  51
- Turning on the 5790A
  51
- Power-Up State
  51
- Warmup Requirements
  52
- Calibrating DC Zeros
  53
- Connecting Sources to the 5790A
  54
- Test Leads and Connectors
  54
- Coaxial Inputs
  54
- Dual Banana Inputs
  54
- Connecting the Guard and Ground Binding Posts
  55
- Guard Theory
  56
- Guard Connection
  56
- External Guard Connection
  58
- Operating Instructions for All Modes
  59
- Interpreting the Measurement Display
  59
- Using the Measurement Control Menu
  60
- Digital Filter Mode Softkey
  61
- Digital Filter Restart Softkey
  61
- Hi Res Softkey
  62
- Selecting Auto or Locked Range
  62
- Selecting Continuous or External (Single) Trigger
  63
- Instructions for Measurement Mode
  63
- Instructions for Transfer Mode
  64
- Measuring Frequency Flatness with the Wideband Option
  64
- Using the Shunt Input for Relative Current
  65
- Choosing Delta Units
  67
- Establishing a Reference
  67
- Using the Top-Level Menu Keys
  69
- VIEW REF] Key
  69
- UTIL MENUS] Key
  70
- Checking Instrument Configuration
  71
- Setup Menu
  72
- Format Eeprom Menu
  73
- Setting the Internal Clock
  74
- SPEC] Key
  75
- Techniques for Reducing Transfer Errors
  75
- DC Reversal
  75
- Loading
  76
- Mechanical Contact
  76
- Thermal Emfs
  76
- Emi
  76
Remote Operation

77
Chapter 5

79
- Introduction
  79
- Using the IEEE-488 Interface for Remote Control
  79
- IEEE-488 Bus Restrictions
  79
- IEEE-488 Bus Setup Procedure
  79
- Using the Rs-232 Interface for Remote Control
  80
- Serial Remote Control Setup Procedure
  80
- Exceptions for Serial Remote Control
  82
- Changing between Remote and Local Operation
  82
- Local State
  82
- Local with Lockout State
  82
- Remote State
  83
- Remote with Lockout State
  83
- Command Syntax Information
  84
- Parameter Syntax Rules
  84
- Extra Space or Tab Characters
  85
- Terminators
  85
- Incoming Character Processing
  86
- Response Message Syntax
  86
- Input Buffer Operation
  86
- Response Data Types
  87
  - Using Commands
    88
  - Multiple Commands
    89
  - Sequential and Overlapped Commands
    89
  - Commands that Require the CALIBRATION STORE or MODE Switch to be Enabled
    89
  - Long-Term Commands
    89
  - Checking 5790A Status
    90
  - Serial Poll Status Byte (STB)
    90
  - Service Request Line (SRQ)
    90
  - Service Request Enable Register (SRE)
    90
  - Programming the STB and SRE
    91
  - Event Status Register (ESR)
    93
  - Event Status Enable Register (ESE)
    93
  - Bit Assignments for the ESR and ESE
    93
  - Programming the ESR and ESE
    93
  - Instrument Status Register (ISR)
    95
  - Instrument Status Change Registers
    95
  - Instrument Status Change Enable Registers
    95
  - Bit Assignments for the ISR, ISCR, and ISCE
    95
  - Programming the ISR, ISCR, and ISCE
    96
  - Output Queue
    96
  - Error Queue
    96
  - IEEE-488 Interface Configuration
    97
  - Bus Communication Overview
    98
  - Device-Dependent Commands
    98
  - Common Commands
    98
  - Interface Messages
    98
  - Definition: Queries and Commands
    99
  - Functional Elements of Commands
    99
  - Interface Messages
    99
  - Remote Program Examples
    99
  - Writing an SRQ and Error Handler
    100
  - Taking a Measurement
    100
  - Efficiently Taking N Successive Readings
    101
  - Locking the 5790A Range
    101
  - Calibrating the 5790A Remotely
    101
  - The IEEE-488 Connector
    103
- Interface Messages that the 5790A Accepts
  104
- Interface Messages that the 5790A Sends
  105
Remote Commands

107
Using the RS-232 Interface

145
Chapter 7

147
- Introduction
  147
- Serial Interface Specifications
  147
- Setting up and Connecting the Serial Interface
  148
- Printing Calibration Reports
  149
- Sample Measurement Shifts Report
  150
- Sample Calibration Constants Report
  156
Operator Maintenance

165
Chapter 8

167
- Introduction
  167
- Accessing the Fuse
  167
- Cleaning the Air Filter
  168
- General Cleaning
  168
- Calibration
  169
Options and Accessories

171
Appendices

175
- A Glossary of AC-DC Transfer Related Terms
  177
Appendix Page

177
- Glossary of AC-DC Transfer Related Terms
  177
- B ASCII and IEEE-488 Bus Codes
  185
- ASCII and IEEE-488 Bus Codes
  185
- C Calibration Constant Information
  197
- Calibration Constant Information
  199
- D 5790A Error Codes
  205
- 5790A Error Codes
  205
- E 5200A Verification and Calibration
  211
- 5200A Verification and Calibration
  211

Fluke 5790A Operator's Manual

Fluke 5790A Operator's Manual (220 pages)

Brand: Fluke | Category: Measuring Instruments | Size: 1.49 MB

Table of Contents

Table of Contents
7
Title
15
Introduction and Specifications
15
Introduction
17
Inside the 5790A
17
Measurement and Transfer Modes
17
An Overview of the Features
18
Instruction Manuals
19
5790A Operators Manual
19
5790A Remote Programming Reference Guide
19
5790A Service Manual
19
Wideband Module (Option 5790A-03)
19
Current Shunt Adapters
20
Warranty and Service Information
20
Specifications
20
Installation
33
Introduction
35
Unpacking and Inspection
35
Environmental and Input Requirements
36
Cooling Considerations
36
Placement and Rack Mounting
37
Accessing the Fuse
37
Selecting Line Voltage
38
Connecting to Line Power
38
Features
41
Introduction
43
Front Panel Features
43
Rear Panel Features
43
Front Panel Operation
49
Introduction
51
Turning on the 5790A
51
Power-Up State
51
Warmup Requirements
52
Calibrating DC Zeros
53
Connecting Sources to the 5790A
54
Test Leads and Connectors
54
Coaxial Inputs
54
Dual Banana Inputs
54
Connecting the Guard and Ground Binding Posts
55
Guard Theory
56
Guard Connection
56
External Guard Connection
58
Operating Instructions for All Modes
59
Interpreting the Measurement Display
59
Using the Measurement Control Menu
60
Digital Filter Mode Softkey
61
Digital Filter Restart Softkey
61
Hi Res Softkey
62
Selecting Auto or Locked Range
62
Selecting Continuous or External (Single) Trigger
63
Instructions for Measurement Mode
63
Instructions for Transfer Mode
64
Measuring Frequency Flatness with the Wideband Option
64
Using the Shunt Input for Relative Current
65
Choosing Delta Units
67
Establishing a Reference
67
Using the Top-Level Menu Keys
69
VIEW REF] Key
69
UTIL MENUS] Key
70
Checking Instrument Configuration
71
Setup Menu
72
Format Eeprom Menu
73
Setting the Internal Clock
74
SPEC] Key
75
Techniques for Reducing Transfer Errors
75
DC Reversal
75
Loading
76
Mechanical Contact
76
Thermal Emfs
76
Emi
76
Remote Operation
77
Introduction
79
Using the IEEE-488 Interface for Remote Control
79
IEEE-488 Bus Restrictions
79
IEEE-488 Bus Setup Procedure
79
Using the Rs-232 Interface for Remote Control
80
Serial Remote Control Setup Procedure
80
Exceptions for Serial Remote Control
82
Changing between Remote and Local Operation
82
Local State
82
Local with Lockout State
82
Remote State
83
Remote with Lockout State
83
Command Syntax Information
84
Parameter Syntax Rules
84
Extra Space or Tab Characters
85
Terminators
85
Incoming Character Processing
86
Response Message Syntax
86
Input Buffer Operation
86
Using Commands
88
Multiple Commands
89
Sequential and Overlapped Commands
89
Commands that Require the CALIBRATION STORE or MODE Switch to be Enabled
89
Long-Term Commands
89
Checking 5790A Status
90
Serial Poll Status Byte (STB)
90
Service Request Line (SRQ)
90
Service Request Enable Register (SRE)
90
Programming the STB and SRE
91
Event Status Register (ESR)
93
Event Status Enable Register (ESE)
93
Bit Assignments for the ESR and ESE
93
Programming the ESR and ESE
93
Instrument Status Register (ISR)
93
Service Request Enable Register (SRE)
93
Instrument Status Register (ISR)
95
Instrument Status Change Registers
95
Instrument Status Change Enable Registers
95
Bit Assignments for the ISR, ISCR, and ISCE
95
Programming the ISR, ISCR, and ISCE
96
Output Queue
96
Error Queue
96
IEEE-488 Interface Configuration
97
Bus Communication Overview
98
Device-Dependent Commands
98
Common Commands
98
Interface Messages
98
Definition: Queries and Commands
99
Functional Elements of Commands
99
Interface Messages
99
Remote Program Examples
99
Writing an SRQ and Error Handler
100
Taking a Measurement
100
Efficiently Taking N Successive Readings
101
Locking the 5790A Range
101
Calibrating the 5790A Remotely
101
The IEEE-488 Connector
103
Remote Commands
107
Introduction
109
Alphabetical List of IEEE-488.2 Common Commands
113
Alphabetical List of 5790A Device-Dependent Commands
119
Using the RS-232 Interface
145
Introduction
147
Serial Interface Specifications
147
Setting up and Connecting the Serial Interface
148
Printing Calibration Reports
149
Sample Measurement Shifts Report
150
Sample Calibration Constants Report
156
Operator Maintenance
165
Introduction
167
Accessing the Fuse
167
Cleaning the Air Filter
168
General Cleaning
168
Calibration
169
Options and Accessories
171
Introduction
173
Wideband Module (Option 5790A-03)
173
Accessories
173
Fluke A40 and A40A Current Shunt Adapter (5790A-7001)
173
Fluke A40A Current Shunt Adapter for Input 1 (792A-7004)
173
Low Thermal EMF Test Leads (5440A-7002)
174
Rack Mount Kit (Y5737)
174
Shielded IEEE-488 Interface Cables (Y8021, Y8022, and Y8023)
174
RS-232-C Null-Modem Cables (Y1702 and Y1703)
174
Appendices
175
A Glossary of AC-DC Transfer Related Terms
177
Glossary of AC-DC Transfer Related Terms
177
B ASCII and IEEE-488 Bus Codes
185
ASCII and IEEE-488 Bus Codes
185
C Calibration Constant Information
195
Calibration Constant Information
197
D 5790A Error Codes
205
5790A Error Codes
205
E 5200A Verification and Calibration
211
5200A Verification and Calibration
211

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