Fluke 5790A Générateur de niveau
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Modèle:
5790A
Date:
Catégorie:
Groupe:
Description:
AC Measurement Standard
Information
The 5790A AC Measurement Standard is a systems instrument
that measures ac voltage with the uncertainty of a thermal
transfer standard. You control the 5790A’s operation from
the front panel or remotely over the serial or IEEE-488
interface.
You can operate the 5790A in measurement mode or transfer
mode. In measurement mode, the 5790A operates as a digital
ac voltmeter with up to 8 digits of resolution. Measurement
mode uses an internal dc reference. In transfer mode, you
apply an external dc or ac reference source. The 5790A
automatically performs switching and calculations, and
displays the resulting ac-dc or ac-ac difference on the
vacuum fluorescent Control Display.
The 5790A covers a voltage range of 700 μν to 1000V (70 mV
minimum in transfer mode), and a frequency range of 10 Hz to
1 MHz. A wideband voltage option extends frequency range to
30 MHz. The 5790A is also compatible with Fluke A40 current
shunts, which permit you to make ac-dc or ac-ac current
transfer measurements up to 20A. Refer to the Specifications
for details,
A variety of input connections allows you to use the one
that best suits your application. There are four sets of
input terminals on the 5790A
two 50Ω Type “N” connectors
and two sets of five-way binding posts. One 50Ω Type “N” and
one set of binding posts is dedicated to the ac measurement
and transfer modes. AC or DC voltages can be applied to
either input connection, allowing you to perform automated
ac-dc transfer measurements. The second Type “N” input
connection supports the optional wideband mode, and the
SHUNT binding posts are for Fluke A40 Series current shunts.
Two patented internal standards contribute the most to the
5790A’s ability to measure rms ac voltage with such low
uncertainty. These two standards are a stable and precisely
variable dc source similar to the one in the Fluke 5700A
Calibrator and a high- performance thermal rms sensor
similar to the one in the Fluke 792A AC/DC Transfer Standard.
Reference amplifiers establish the accuracy and stability of
the internal dc source. A patented 26-bit digital-to-analog
converter (dac) provides the 5790A with the ability to
precisely vary its internal dc source. This is a pulse-width
modulated dac with linearity typically better than 0.2 ppm
of full scale.
On the ac side, the Fluke rms sensor is similar in principle
to a thermal voltage Converter (thermocouple), but has
faster settling time, low dc reversal error, higher
signal-to-noise ratio, and excellent frequency performance.
Type manuel:
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Manuel-ID:
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Date:
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Manuel-ID:
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Information
1-1.
INTRODUCTION ... 1-3
1-2. WARRANTY AND SERVICE INFORMATION..! ... 1-3
1-3. SPECIFICATIONS
... 1-3
2 Theory of Operation
... 2-1
2-1.
INTRODUCTION ... 2-5
2-2. 5790A
OVERVIEW ... 2-5
2-3. FUNCTIONAL BLOCK DIAGRAM DISCUSSION ... 2-5
2-4. DIGITAL SECTION OVERVIEW ... 2-6
2-5. ANALOG SECTION OVERVIEW ... 2-6
2-6. SYSTEM INTERCONNECT DETAILED CIRCUIT DESCRIPTION . 2-6
2-7. Digital Motherboard Assembly (A4)
... 2-9
2-8. Transformer Assembly
(A22) ... 2-9
2-9. Analog Motherboard Assembly
(A3) ... 2-9
2-10. Rear Panel I/O Assembly
(A21) ... 2-10
2-11. REAR PANEL POWER SUPPLIES ... 2-10
2-12. REAR PANEL DIGITAL CONTROL ... 2-10
2-13. CLOCK REGENERATION CIRCUIT ... 2-10
2-14. IEEE-488 (GPIB) Interface ... 2-10
2-15. RS-232-C Interface ... 2-10
2-16. REAR PANEL CPU Interface ... 2-11
2-17. DIGITAL SECTION DETAILED CIRCUIT DESCRIPTION ... 2-11
2-18. Digital Power supply Assembly (A
19) ... 2-11
2-19. +5V Power supply ... 2-12
2-20. ±12V POWER SUPPLIES ... 2-12
2-21. +35V Power supply ... 2-12
2-22. +75V Power supply ... 2-12
2-23. +35V AND +75V SHUT-DOWN CIRCUIT ... 2-12
2-24. CPU Assembly
(A20) ... 2-13
2-25. POWER-UP AND RESET CIRCUIT ... 2-13
2-26. CLOCK GENERATION ... 2-17
2-27. WATCHDOG TIMER ... 2-17
2-28. ADDRESS DECODING AND DTACK (DATA
ACKNOWLEDGE) ... 2-17
2-29. INTERRUPT CONTROLLER ... 2-18
2-30. GLUE LOGIC ... 2-18
2-31. RAM (RANDOM-ACCESS MEMORY) ... 2-19
2-32. ROM (READ-ONLY MEMORY) ... 2-19
2-33. ELECTRIC ALLY-ERA SABLE PROGRAMMABLE
READ-ONLY MEMORY (EEPROM)
... 2-19
2-34. DUART (DUAL UNIVERSAL ASYNCHRONOUS
RECEIVER/TRANSMITTER) CIRCUIT ... 2-19
2-35. CLOCK/CALENDAR CIRCUIT ... 2-19
2-36. CLOCK Filter
CIRCUIT ... 2-20
2-37. CPU TO REAR PANEL
INTERFACE ... 2-20
2-38. CPU TO FRONT PANEL
INTERFACE ... 2-20
2-39. Front Panel Assembly
(A2) ... 2-20
2-40. CLOCK REGENERATION
CIRCUITRY ... 2-20
2-41. REFRESH FAILURE DETECT CIRCUITRY ... 2-20
2-42. DECODING AND TIMING CIRCUITRY ... 2-21
2-43. CONTROL DISPLAY CIRCUITRY ... 2-21
2-44. MEASUREMENT DISPLAY
CIRCUITRY ... 2-22
2-45. KEYBOARD SCANNER CIRCUITRY ... 2-23
2-46. LED
CIRCUITRY ... 2-23
2-47. Keyboard Assembly
(Al) ... 2-24
2-48. ANALOG SECTION DETAILED CIRCUIT
DESCRIPTION ... 2-24
2-49. Filter Assembly (A
18) ... 2-24
2-50. UNREGULATED CH
SUPPLIES ... 2-24
2-51. UNREGULATED LH
SUPPLIES ... 2-25
2-52. UNREGULATED ±17 SR
SUPPLIES ... 2-25
2-53. 1RIAC
CIRCUIT ... 2-26
2-54. FR1
SUPPLIES ... 2-26
2-55. UNREGULATED FR1
SUPPLY ... 2-26
2-56. ER2
SUPPLIES ... 2-26
2-57. Regulator/Guard Crossing Assembly (A
17) ... 2-26
2-58. VOLTAGE REGULATOR CIRCUITRY ... 2-26
2-59. REGULATED LH
SUPPLIES ... 2-27
2-60. REGULATED ±17S
SUPPLIES ... 2-27
2-61. REGULATED ±15CH
SUPPLIES ... 2-28
2-62. FR1
SUPPLY ... 2-28
2-63. FR2
SUPPLY ... 2-28
2-64. GUARDED DIGITAL CONTROL CIRCUITRY ... 2-28
2-65. Inguard CPU Memory
Map ... 2-28
2-66. Inguard Memory
Configuration ... 2-28
2-67. Inguard Clock
Circuit ... 2-28
2-68. Inguard Watchdog Timer ... 2-29
2-69. Power-Up and Reset Circuitry
... 2-29
2-70. Break
Detection ... 2-30
2-71. Fiber-Optic Link to
CPU ... 2-30
2-72. Interface to Guarded Digital
Bus ... 2-30
2-73. Inguard CPU Interrupts
... 2-30
2-74. Transfer Assembly (A10)
... 2-30
2-75. INPUT SIGNAL
PATHS ... 2-31
2-76. 700 AND 1000V
Ranges ... 2-32
2-77. 7 to 220V
Ranges ... 2-32
2-78. Millivolt
Ranges ... 2-32
2-79. SHUNT Input Signal
Path ... 2-32
2-80. PRECISION
AMPLIFIERS ... 2-32
2-81. THERMAL SENSOR
CIRCUIT ... 2-34
2-82. DIGITAL Interface AND
CONTROL ... 2-35
2-83. A/D Amplifier Assembly (A
15) ... 2-35
2-84. CHOPPER
CIRCUIT ... 2-35
2-85. 2V Divider/DC Reference Select ...
2-35
2-86. Precision Inverter
... 2-36
2-87. Chopper Oscillator ...
2-36
2-88. Chopper Switches ... 2-36
2-89. Chopper Attenuator ...
2-36
2-90. A/D Amplifier CIRCUITS ... 2-37
2-91. Null DAC ... 2-37
2-92. Instrumentation
Amplifier ... 2-38
2-93. Switchable Active Low-Pass
Filter ... 2-38
2-94. A/D Converter ... 2-38
2-95. Frequency Counter and Low-Pass
Filter ... 2-39
2-96. DIGITAL CONTROL AND Power supply ... 2-39
2-97. DAC Assembly
(A16) ... 2-39
2-98. DAC ASSEMBLY REFERENCE CIRCUITRY ... 2-41
2-99. DUTY-CYCLE CONTROL CIRCUIT ... 2-41
2-100. DAC Filter CIRCUIT ... 2-42
2-101. DAC OUTPUT STAGE ... 2-42
2-102. SENSE CURRENT CANCELLATION CIRCUIT ... 2-43
2-103. LINEARITY CONTROL CIRCUIT ... 2-43
2-104. NEGATIVE OFFSET CIRCUIT ... 2-43
2-105. Wideband Module (A6, Option
-03) ... 2-43
2-106. INPUT SIGNAL PATH FOR THE UPPER FOUR RANGES.. 2-44
2-107. INPUT SIGNAL PATH FOR THE LOWER FOUR RANGES. 2-44
2-108. DC OFFSET FEEDBACK FOR Amplifier U3 (LOWER
RANGES) ... 2-46
2-109. RMS SENSOR CIRCUIT ... 2-46
2-110. TRANSFER METHODOLOGY ... 2-46
2-111. DC OFFSET FEEDBACK FOR THE RMS SENSOR Amplifier 2-47
2-112. RANGE COMPARATOR ... 2-47
2-113. WIDEBAND FREQUENCY Counter ... 2-47
2-114. DIGITAL CONTROL ... 2-48
2-115. A6A2 INPUT PROTECTION MODULE ... 2-48
3 Calibration and
Verification ... 3-1
3-1.
INTRODUCTION ... 3-3
3-2. Calibration
Cycle ... 3-3
3-3. Periodic and Service
Calibration ... 3-3
3-4. Full or Range
Calibration ... 3-3
3-5, Automating Calibration and
Verification ... 3-3
3-6. How Calibration Memory is
Organized ... 3-4
3-7. How to Use the Calibration
Menus ... 3-5
3-8. THE CAL MENU ... 3-5
3-9. ZERO CAL SOFTKEY ... 3-6
3-10. SEE CAL DATES SOFTKEY ... 3-6
3-11. CAL REPORTS SOFTKEY ... 3-6
3-12. UPDATE CAL DATES MENU ... 3-6
3-13. PERIODIC
CALIBRATION ... 3-6
3-14. Calibrating the Main
Input ... 3-7
3-15. CHARACTERIZING THE DC SOURCE ... 3-7
3-16. DC CALIBRATION ... 3-12
3-17. AC CALIBRATION ... 3-20
3-18. Calibrating the Wideband AC
Option ... 3-26
3-19. CHARACTERIZING THE AC SOURCE ... 3-26
3-20. CALIBRATING WIDEBAND INPUT GAIN AT 1 kHz ... 3-29
3-21. CALIBRATING WIDEBAND INPUT FLATNESS ... 3-30
3-22. SERVICE CALIBRATION
... 3-32
3-23. Xfer Offset
Adjustment ... 3-32
3-24. Wideband Amplifier Rolloff
Adjustment ... 3-36
3-25.
VERIFICATION ... , ... 3-39
3-26. Verifying the Main Input (INPUT 1 or
2) ... 3-39
3-27. VERIFYING AC-DC DIFFERENCE FOR REGIONS I AND III
(70 mV THROUGH
1000V) ... 3-46
3-28. VERIFYING ABSOLUTE AC ERROR FOR REGION IV (70 mV
THROUGH 700 mV) ... 3-46
3-29. VERIFYING ABSOLUTE AC ERROR FOR REGION H (2.2V
THROUGH
1000V) ... 3-46
3-30. VERIFYING ABSOLUTE AC ERROR FOR REGION V (7 mV
THROUGH 22
mV) ... 3-48
3-31. Verifying the Wideband AC
Option ... 3-49
3-32. WIDEBAND 1-kHz GAIN VERIFICATION, 7V, 2.2V, 700 mV,
220 mV, and 70 mV RANGES
... 3-51
3-33. WIDEBAND 1-kHz GAIN VERIFICATION, 22 mV RANGE . 3-51
3-34. WIDEBAND 1-kHz GAIN VERIFICATION, 7 mV RANGE .. 3-52
3-35. WIDEBAND 1-kHz GAIN VERIFICATION, 2.2 mV RANGE. 3-52
3-36. WIDEBAND GAIN VERIFICATION, 10 Hz TO 500 kHz ... 3-53
3-37. WIDEBAND FLATNESS
VERIFICATION ... 3-53
4
Maintenance ... 4-1
4-1.
INTRODUCTION ... 4-3
4-2. CLEANING THE AIR
FILTER ... 4-3
4-3. GENERAL
CLEANING ... 4-3
44. CLEANING
PCA’S ... 4-3
4-5. ACCESS
PROCEDURES ... 4-3
4-6. Top and Bottom
Covers ... 4-5
4-7. Digital Section
Cover ... 4-5
4-8. Analog Section Covers
... , ... 4-5
4-9. Rear Panel Removal and Installation
... 4-5
4-10. Rear Panel Assembly
Access ... 4-5
4-11. Front Panel Removal and
Installation ... 4-5
4-13. KEYBOARD ASSEMBLY REMOVAL AND INSTALLATION 4-9
4-14. Analog Assembly Removal and
Installation ... 4-9
4-15. Digital Assembly Removal and Installation
... 4-9
4-16. Power Transformer Removal and
Installation ... 4-9
4-17. Hybrid Cover
Removal ... 4-11
4-18. INSTALLING A WIDEBAND AC MODULE (OPTION
-03) ... 4-11
4-19. CLEARING GHOST IMAGES FROM THE CONTROL DISPLAY . 4-11
4-20. REPLACING THE CLOCK/CALENDAR BACKUP BATTERY ... 4-12
4-22. Using the FATALITY? AND FATALCLR Commands ... 4-12
5
Troubleshooting ... 5-1
5-1.
INTRODUCTION ... 5-3
5-2. Main CPU (A20) Power-up
Tests ... 5-3
5-8. TEST STEP: AD8255 (A/D
8255) ... 5-6
5-10. TEST STEP: ADZEROS (A/D ZEROS) ... 5-6
5-11. TEST STEP: ADNULLDAC (A/D NULL
DAC) ... 5-7
5-12. TEST STEP: ADDAC (A/D DAC OUTPUT) ... 5-7
5-13. TEST STEP: CHOPPER (A/D
CHOPPER) ... 5-8
5-14. TEST STEP: PROT
(PROTECTION) ... 5-8
5-15. TEST STEP: OVLD
(OVERLOAD) ... 5-9
5-16. TEST STEP:
ZEROS ... 5-9
5-17. TEST STEP: DIVIDERS (INPUT
DIVIDERS) ... 5-9
5-18. TEST STEPS: X2_2V THROUGH
X2_2MV ... 5-10
5-19. TEST STEP: MATCH (Sensor Match)
... 5-10
5-20. TEST STEP: XFREQ (FREQUENCY
MEASURING) ... 5-11
5-21. TEST STEP: LOOPFILT (SENSOR
FILTER) ... 5-11
5-21. TEST STEP: WOVLD (WIDEBAND
OVERLOAD) ... 5-11
5-23. TEST STEPS: W7V THROUGH W2_2MV (WIDEBAND 2.2 mV
RANGE) ... 5-11
5-24. TEST STEP: WFREQ (WIDEBAND FREQUENCY
MEASURING) ... 5-12
5-25. TEST STEP: WLOOPFILT (WIDEBAND SENSOR FILTER) . 5-12
6 List of Replaceable
Parts ... 6-1
6-1.
INTRODUCTION ... 6-3
6-2. HOW TO OBTAIN
PARTS ... 6-3
6-3. MANUAL STATUS INFORMATION ... 6-3
6-4. SERVICE CENTERS ... 6-3
7 Schematic
Diagrams ... 7-1
8
Appendices ... 8-1
Appendix
A ... 8-3
Appendix B ... 8-13
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Information
This service manual is a maintenance guide for the 5790A, The following topics are
included:
• Theory of operation
• Calibration
• Performance testing
• Access procedures
• Troubleshooting
• Parts lists
• Schematic diagrams
Type manuel:
Manuel de l'utilisateur
Pages:
226
Taille:
8.28 Mbytes (8686977 Bytes)
Langue:
english
Révision:
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Manuel-ID:
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Date:
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Information
1 Introduction and Specifications — 1-1
1-1.
INTRODUCTION ... 1-3
1-2. Inside the
5790A ... 1-3
1-3. Measurement and Transfer
Modes ... 1-3
1-4. An Overview of the
Features ... 1-4
1-5. INSTRUCTION
MANUALS ... 1-5
1-6. 5790A Operator
Manual ... 1-5
1-7. 5790A Remote Programming Reference
Guide ... 1-5
1-8. 5790A Service
Manual ... 1-5
1-9. WIDEBAND MODULE (OPTION
5790A-03) ... 1-5
MO. CURRENT SHUNT
ADAPTERS ... 1-5
1-11. WARRANTY AND SERVICE
INFORMATION ... 1-6
1-12. SPECIFICATIONS
... 1-6
2 Installation
... 2-1
2-1,
INTRODUCTION ... 2-3
2-2. UNPACKING AND
INSPECTION ... 2-3
2-3. ENVIRONMENTAL AND INPUT
REQUIREMENTS ... 2-4
2-4. COOLING
CONSIDERATIONS ... 2-4
2-5. PLACEMENT AND RACK
MOUNTING ... 2-5
2-6. ACCESSING THE
FUSE ... 2-5
2-7. SELECTING LINE
VOLTAGE ... 2-6
2-8. CONNECTING TO LINE
POWER ... 2-6
3
Features ...
—— ... — 3-1
3-1,
INTRODUCTION ... 3-3
3-2. FRONT PANEL
FEATURES ... 3-3
3-3, REAR PANEL
FEATURES ... 3-3
4 Front Panel
Operation ... 4-1
4-1.
INTRODUCTION ... 4-3
4-2. TURNING ON THE
5790A ... 4-3
4-3. Power-Up State
... 4-3
4-4. Warmup Requirements 4-4
4-5. Calibrating DC Zeros 4-5
4-6. CONNECTING SOURCES TO THE 5790A ... 4-6
4-7. Test Leads and Connectors 4-6
4-8. COAXIAL INPUTS 4-6
4-9. DUAL BANANA INPUTS ... 4-6
4-10. Connecting the Guard and Ground Binding
Posts ... 4-7
4-11. GUARD THEORY 4-7
4-12. INTERNAL GUARD CONNECTION ... 4-8
443. EXTERNAL GUARD CONNECTION ... 4-11
4-14. OPERATING INSTRUCTIONS FOR ALL MODES ... 4-11
4-15. Interpreting the Measurement
Display ... 4-11
4-16. Using the Measurement Control
Menu ... 4-13
4-17. DIGITAL Filter MODE SOFTKEY ... 4-13
4-18. DIGITAL Filter RESTART SOFTKEY ... 4-13
4-19. Hi Res
SOFTKEY ...
4-14
4-20. Selecting Auto or Locked Range 4-14
4-21. Selecting Continuous or External (Single)
Trigger ... 4-15
4-22. INSTRUCTIONS FOR MEASUREMENT
MODE ... 4-15
4-23. INSTRUCTIONS FOR TRANSFER MODE ... 4-16
4-24. Measuring Frequency Flatness With the Wideband
Option ... 4-16
4-25. Using the SHUNT Input for Relative
Current ... 4-17
4-26. Choosing Delta Units ... 4-19
4-27. Establishing a Reference 4-19
4-28. USING THE TOP-LEVEL MENU KEYS ... 4-21
4-29. [VIEW REF] Key 4-21
4-30. [UTIL MENUS] Key
...
4-21
4-31. Checking Instalment Configuration 4-22
4-32. Setup Menu 4-24
4-33. FORMAT EEPROM MENU ... 4-24
4-34. SETTING THE INTERNAL CLOCK ... 4-25
4-35. [SPEC] Key 4-26
4-36. TECHNIQUES FOR REDUCING TRANSFER ERRORS ... 4-27
4-37. DC Reversal 4-27
4-38. Loading 4-27
4-39. Mechanical Contact 4-27
4-40. Thermal EMFs 4-27
4-41.
EMI ...
4-28
5 Remote Operation ...
... 5-1
5-1.
INTRODUCTION ...
5-3
5-2. USING THE IEEE-488 Interface FOR REMOTE CONTROL.. 5-3
5-3. IEEE-488 Bus Restrictions.
... 5-3
5-4. IEEE-488 Bus Setup Procedure 5-3
5-5. USING THE RS-232 Interface FOR REMOTE CONTROL ... 5-4
5-6. Serial Remote Control Setup
Procedure ... 5-4
5-7. Exceptions for Serial Remote
Control ... 5-6
5-9. Local State 5-6
5-10. Local with Lockout State 5-6
5-11. Remote State ... 5-7
5-12. Remote with Lockout State 5-7
5-13. COMMAND SYNTAX INFORMATION ... 5-8
5-14. Parameter Syntax Rules . 5-8
5-15. Extra Space or Tab Characters 5-9
5-16. Terminators . 5-9
5-17. Incoming Character Processing
...
5-18. Response Message Syntax 5-10
5-19. INPUT BUFFER OPERATION 5-10
5-20. USING COMMANDS 5-12
5-21. Multiple Commands 5-12
5-22. Sequential and Overlapped
Commands ... 5-13
5-23. Commands That Require the CALIBRATION STORE or MODE
Switch To
Be
Enabled ...
5-13
5-24. Long-Term Commands 5-13
5-25. CHECKING 5790A STATUS 5-13
5-26. Serial Poll Status Byte (STB) 5-14
5-27. SERVICE REQUEST LINE (SRQ) ... 5-14
5-28. SERVICE REQUEST ENABLE REGISTER (SRE) ... 5-14
5-29. PROGRAMMING THE STB AND SRE ... 5-14
5-30. Event Status Register (ESR) 5-16
5-31. EVENT STATUS ENABLE REGISTER (ESE) ... 5-16
5-32. BIT ASSIGNMENTS FOR THE ESR AND ESE ... 5-16
5-33. PROGRAMMING THE ESR AND ESE ... 5-16
5-34. Instrument Status Register (ISR) ... 5-17
5-35. INSTRUMENT STATUS CHANGE REGISTERS ... 5-18
5-36. INSTRUMENT STATUS CHANGE ENABLE REGISTERS ... 5-18
5-37. BIT ASSIGNMENTS FOR THE ISR, ISCR, AND ISCE ... 5-18
5-38. PROGRAMMING THE ISR, ISCR, and ISCE ... 5-19
5-39. Output Queue 5-19
5-40. Error Queue ... 5-1.9
5-41. IEEE-488 Interface CONFIGURATION ... 5-20
5-42. BUS COMMUNICATION OVERVIEW 5-20
5-43. Device-Dependent Commands 5-21
5-44. Common Commands 5-21
5-45. Interface Messages 5-21
5-46. Definition: Queries and Commands ... 5-21
5-47. Functional Elements of Commands 5-22
5-48. Interface Messages 5-22
5-49. REMOTE PROGRAM EXAMPLES 5-23
5-50. Writing an SRQ and Error Handler 5-23
5-51. Taking a Measurement 5-23
5-52. Efficiently Taking N Successive
Readings ... 5-24
5-53. Locking the 5790A Range ... 5-24
5-54. Calibrating the 5790A Remotely 5-24
5-55. THE IEEE-488
CONNECTOR ...
5-25
6 Remote
Commands ...
6-1
6-1.
INTRODUCTION ...
6-3
6-2. ALPHABETICAL LIST OF IEEE-488.2 COMMON COMMANDS. 6-8
6-3. ALPHABETICAL LIST OF 5790A DEVICE-DEPENDENT COMMANDS ..
6-13
7 Using the RS-232 Serial Interface ... 7-1
7-1.
INTRODUCTION ...
7-3
7-2. SERIAL Interface SPECIFICATIONS ... 7-4
7-4. PRINTING CALIBRATION REPORTS 7-5
7-5. Sample Measurement Shifts Report 7-6
. 7-6. Sample Calibration Constants Report 7-12
8 Operator
Maintenance ... 8-1
■8-1.
INTRODUCTION ... 8-3
8-2. ACCESSING THE
FUSE ... 8-3
8-3. CLEANING THE AIR
FILTER ... 8-3
8-4. GENERAL
CLEANING ... 8-4
8-5.
CALIBRATION ... 8-4
9 Options and
Accessories ... 9-1
9-1.
INTRODUCTION ... 9-3
9-2. WIDEBAND MODULE (OPTION
5790A-03) ... 9-3
9-3.
ACCESSORIES ... 9-3
9-4. Flute A40 and A40A Current Shunt Adapter
(5790A-7001) ... 9-3
9-5. Fluke A4ÖA Current Shunt Adapter for Input 1
(792A-7004) ... 9-3
9-6. Low Thermal EMF Test Leads
(5440A-7002) ... 9-4
9-7. Rack Mount Kit
(Y5737) ... 9-4
9-8. Shielded IEEE-488 Interface Cables (Y8021, Y8022, and
Y8023) ... 9-4
9-9. RS-232-C Null-Modern Cables (Y1702 and
Y1703) ... 9-4
10
Appendices ... 10-1
Appendix A Glossary of AC-DC Transfer Related
Terms ... 10-2
Appendix B ASCII and IEEE-488 Bus
Codes ... 10-12
Appendix C Calibration Constant
Information ... 10-14
Appendix D Service
Centers ... 10-30
Appendix E 5790A Error
Codes ... 10-34
Appendix F 5200A Verification and
Calibration ... 10-39
Index