Keithley 2502 Manuals

Manuals and User Guides for Keithley 2502. We have 1 Keithley 2502 manual available for free PDF download: User Manual

Keithley 2502 User Manual

Keithley 2502 User Manual (428 pages)

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

Table of Contents

Table of Contents
7
1 Getting Started

33
- General Information
  34
  - Warranty Information
    34
  - Contact Information
    34
  - Manual Addenda
    34
  - Safety Symbols and Terms
    34
  - Getting Started
    34
  - Inspection
    35
  - Options and Accessories
    35
    
    Manuals
    35
    
    Triax Cables and Adapters
    35
    
    Carrying Case
    36
    
    Interface Cables
    36
    
    Rack Mount Kits
    36
- Product Overview
  37
- Front and Rear Panel Familiarization
  38
  - Front Panel Summary
    38
  - Rear Panel Summary
    40
  - Figure 1-3 Model 2502 Rear Panel
    41
- Power-Up
  42
  - Line Voltage Selection
    42
  - Line Power Connection
    42
  - Power-Up Sequence
    43
  - System Identiﬁcation
    43
  - Line Frequency Setting
    44
    
    Front Panel Line Frequency
    44
    
    Remote Command Line Frequency
    44
  - Fuse Replacement
    44
- Display
  45
  - Display Format
    45
  - Table 1-1 Line Fuses
    45
  - CHANNEL SELECT Key
    46
  - DISPLAY TOGGLE Key
    46
  - Status and Error Messages
    46
  - Disabling Front Panel Display
    46
    
    Front Panel Control
    46
  - Remote Display Programming
    47
  - Front Panel Tests
    47
- Default Settings
  48
  - Saving and Restoring User Setups
    48
    
    Restoring Setups
    48
    
    Saving Setups
    48
  - Power-On Conﬁguration
    48
  - Factory Default Settings
    48
  - Table 1-3 Factory Default Settings
    49
  - Remote Setups
    51
- Menus
  52
2 Connections

63
3 Basic Operation

78
- Operation Overview
  79
  - Measurement and Voltage Bias Capabilities
    79
  - Ranges
    79
  - Compliance
    80
  - Basic Circuit Conﬁguration
    80
- Operation Considerations
  81
  - Warm-Up
    81
  - Auto Zero
    81
    
    Front Panel Auto Zero
    81
    
    Remote Command Auto Zero
    81
  - Source Delay
    82
    
    Auto Delay Period
    82
    
    Table 3-3 Auto Source Delay
    82
    
    Manual Delay
    83
    
    Output Slew Time
    83
    
    Front Panel Source Delay
    84
    
    Remote Command Source Delay
    84
  - Ground Connect Mode
    85
    
    Front Panel Ground Connect
    85
    
    Remote Command Ground Connect
    85
    
    Figure 3-3 Ground Connect Enabled
    86
- Basic Measurement Procedure
  87
- Using the Analog Outputs (Model 2502 Only)
  91
- Table 3-7 Basic Measurement Command Sequence
  91
4 Photodiode Measurements

92
5 Measurement Concepts

100
- Source-Delay-Measure Cycle
  101
  - Overview
    101
  - Triggering
    101
  - Delay Phase
    102
  - Measurement Time
    102
- Sweep Waveforms
  103
  - Staircase Sweeps
    103
  - Custom Sweep
    103
  - SDM Cycle During Sweeps
    104
  - Typical Sweep Applications
    104
  - Sweep Data Storage
    104
- Bias Source Operating Boundaries
  105
  - Limit Lines
    105
  - Loading Effects
    105
  - Figure 5-5 Loading Effects
    106
- Data Flow
  107
  - Basic Readings
    107
  - Data Storage Enabled
    107
  - Limit Test Enabled
    107
  - Figure 5-6 Data Flow Front Panel
    108
  - Figure 5-7 CALC Block Data Flow
    109
6 Range, Digits, Speed, and Filters

110
- Range and Digits
  111
  - Measurement Range
    111
    
    Available Ranges
    111
    
    Manual Ranging
    111
    
    Maximum Readings
    111
    
    Auto Range Limits
    112
    
    Auto Range Operation with Range Limits
    112
    
    Auto Ranging
    112
  - Digits
    113
    
    Setting Display Resolution
    113
  - Remote Range and Digits Programming
    113
    
    Range and Digits Programming Example
    114
- Speed
  114
  - Setting Speed
    115
    
    Speed-Accuracy Menu
    115
  - Remote Speed Programming
    116
    
    Speed Commands
    116
    
    Speed Programming Example
    116
- Filters
  116
  - Filter Stages
    116
    
    Figure 6-2 2-Stage Filtering
    116
    
    Table 6-4 Speed Commands
    116
    
    Figure 6-3 Repeat Filter (Count 10)
    117
    
    Median Filter
    117
    
    Repeat Filter
    117
    
    Figure 6-4 Median Filter (Rank 5)
    118
    
    Figure 6-5 Moving Filter (Count 10)
    119
    
    Moving Filter
    119
  - Filter Conﬁguration
    120
  - Filter Control
    121
  - Remote Filter Programming
    122
    
    Filter Commands
    122
    
    Table 6-6 Filter Commands
    122
    
    Filter Programming Example
    123
7 Relative, Math, Ratio, and Delta

124
- Relative
  125
  - Front Panel Rel
    125
    
    Deﬁning a Rel Value
    125
    
    Enabling and Disabling Rel
    125
    
    Using REL in the Dual-Channel Mode
    126
  - Remote Rel Programming
    126
    
    Rel Commands
    126
    
    Table 7-1 Rel Commands
    126
    
    Rel Programming Example
    127
- Measurement Math Functions
  127
  - Math Functions
    127
    
    I/V
    127
    
    Electrical Power
    128
    
    MX + B
    128
    
    Optical Power
    128
  - Front Panel Math Functions
    129
  - Remote Math Functions
    130
  - Math Function Programming Example
    131
- RATIO and DELTA
  131
  - RATIO Functions
    131
    
    Msr1/Msr2
    131
    
    Table 7-5 Math Function Programming Example
    131
    
    Msr2/Msr1
    132
  - DELTA Functions
    132
    
    Msr1-Msr2
    132
  - Front Panel RATIO and DELTA Conﬁguration
    133
  - Table 7-6 RATIO and DELTA Conﬁguration Menus
    133
  - Remote RATIO and DELTA
    134
  - RATIO and DELTA Function Programming Example
    135
8 Data Store

136
- Data Store Overview
  137
- Front Panel Data Store
  137
  - Storing Readings
    137
  - Recalling Readings
    137
    
    Buffer Location Number
    138
    
    Displaying Other Buffer Readings
    138
    
    Timestamp
    138
  - Buffer Statistics
    139
    
    Average
    139
    
    Minimum and Maximum
    139
    
    Peak-To-Peak
    139
    
    Standard Deviation
    139
  - Timestamp Format
    140
  - Timestamp Accuracy
    140
  - Buffer Considerations
    140
    
    Using :Trace Commands to Store Data
    140
    
    Using :READ? to Store Data
    141
- Remote Command Data Store
  141
  - Data Store Commands
    141
  - Table 8-1 Data Store Commands
    141
  - Data Store Programming Example
    142
  - Table 8-2 Data Store Example
    142
9 Sweep Operation

143
- Sweep Types
  144
- Conﬁguring and Running a Sweep
  148
  - Front Panel Sweep Operation
    148
    
    Conﬁguring a Sweep
    148
    
    Setting Delay
    149
    
    Trigger Count and Sweep Points
    150
  - Performing Sweeps
    150
    
    Performing a Linear Staircase Sweep
    150
    
    Performing a Log Staircase Sweep
    151
    
    Performing a Custom Sweep
    153
  - Remote Sweep Operation
    154
    
    Staircase Sweep Commands
    154
    
    Staircase Sweep Programming Example
    155
    
    Table 9-3 Staircase Sweep Programming Example (Photodiode Test)
    155
    
    Custom Sweep Commands
    156
    
    Table 9-4 Custom Sweep Commands
    156
    
    Custom Sweep Programming Example
    157
10 Triggering

158
- Trigger Model (Front Panel Operation)
  159
  - Idle
    159
  - Figure 10-1 Trigger Model (Front Panel Operation)
    160
  - Event Detection
    161
    
    Arm Layer
    161
    
    Trigger Layer
    162
  - Trigger Delay
    162
  - Source, Delay, and Measure Actions
    162
  - Counters
    163
  - Output Triggers
    163
  - Bench Defaults
    164
  - Operation Summary
    164
- Trigger Link
  165
  - Input Trigger Requirements
    165
  - Figure 10-2 Rear Panel Pinout
    165
  - Figure 10-3 Trigger Link Input Pulse Speciﬁcations
    165
  - External Triggering Example
    166
    
    Figure 10-4 Trigger Link Output Pulse Speciﬁcations
    166
    
    Figure 10-5 DUT Test System
    166
    
    Figure 10-6 Trigger Link Connections
    167
    
    Model 2500 Setup
    168
    
    Operation
    169
    
    Switching Mainframe Setup
    169
    
    Figure 10-7 Operation Model for Triggering Example
    170
- Conﬁguring Triggering
  171
  - CONFIGURE TRIGGER Menu
    171
  - Figure 10-8 Conﬁgure Trigger Menu Tree
    173
- Remote Triggering
  174
  - Trigger Model (Remote Operation)
    174
  - Idle and Initiate
    174
  - Figure 10-9 Trigger Model (Remote Operation)
    175
  - Event Detection
    176
  - Arm Layer
    176
  - Trigger Layer
    177
  - Trigger Delay
    178
  - Source, Delay, and Measure Actions
    178
  - Figure 10-10 Measure Action
    178
  - Counters
    179
  - Output Triggers
    179
  - GPIB Defaults
    180
  - Operation Summary
    180
  - Remote Trigger Commands
    181
  - Remote Trigger Example
    182
  - Table 10-2 Remote Triggering Example
    182
11 Limit Testing

183
- Types of Limits
  184
  - Pass/Fail Information
    184
  - Figure 11-1 Limit Tests
    184
  - Data Flow
    185
  - Limit Test Feeds
    185
  - Limit 1 and 2 Tests (Compliance)
    185
  - Limit 3 to 6 Tests
    185
  - Limit Test Modes
    185
  - Binning
    186
- Operation Overview
  186
  - Grading Mode
    186
    
    Figure 11-2 Grading Mode Limit Testing
    187
    
    Binning Control
    188
    
    Figure 11-3 Immediate Binning
    188
    
    Figure 11-4 End Binning
    188
    
    Fail Condition
    189
    
    Pass Condition
    189
  - Sorting Mode
    190
    
    Binning
    190
    
    Figure 11-5 Sorting Mode Limit Testing
    191
  - Handler Interface
    192
    
    Digital I/O Connector
    192
    
    Digital Output Lines
    192
    
    Figure 11-6 Handler Interface Connections
    192
- Binning Systems
  192
  - SOT Line
    193
  - OE Line
    193
  - Handler Types
    193
    
    Category Pulse Component Handler
    193
    
    Category Register Component Handler
    194
  - Basic Binning Systems
    194
  - Single-Element Device Binning
    194
  - Figure 11-7 Binning System—Single Element Devices
    195
  - Multiple-Element Device Binning
    196
- Digital Output Clear Pattern
  196
  - Enabling Auto-Clear
    196
  - Auto-Clear Timing
    197
- Conﬁguring and Performing Limit Tests
  198
  - Conﬁguring Limit Tests
    198
  - Performing Limit Tests
    200
    
    Step 1. Conﬁgure Test System
    200
    
    Step 2. Conﬁgure Bias Source and Measure Functions
    200
    
    Step 3. Conﬁgure Limit Tests
    201
    
    Step 4. Turn Output on
    201
    
    Step 5. Start Testing Process
    201
    
    Step 6. Stop Testing Process
    201
- Remote Limit Testing
  202
  - Limit Commands
    202
  - Table 11-1 Limit Commands
    202
  - Limit Test Programming Example
    203
  - Table 11-2 Limits Test Programming Example
    204
12 Digital I/O Port, Output Enable, and Output Conﬁguration

205
- Digital I/O Port
  206
  - Port Conﬁguration
    206
    
    +5V Output
    207
    
    Digital Output Lines
    207
    
    EOT/BUSY Line
    207
    
    SOT Line
    207
  - Digital Output Conﬁguration
    208
    
    Figure 12-2 Sink Operation
    208
    
    Sink Operation
    208
    
    Source Operation
    209
  - Controlling Digital Output Lines
    209
    
    Figure 12-3 Source Operation
    209
    
    Front Panel Digital Output Control
    209
    
    Remote Digital Output Control
    210
- Output Enable
  210
- Figure 12-4 Using Test Fixture Output
  211
- Front Panel Output Conﬁguration
  212
  - Conﬁgure OUTPUT Menu
    212
- Remote Output Conﬁguration
  213
  - Output Conﬁguration Commands
    213
  - Output Conﬁguration Programming Example
    214
13 Remote Operations

215
- Differences: Remote Vs. Local Operation
  216
  - Local-To-Remote Transition
    216
  - Remote-To-Local Transition
    216
- Selecting an Interface
  216
- GPIB Operation
  217
  - GPIB Standards
    217
  - GPIB Connections
    218
  - Figure 13-1 IEEE-488 Connector
    218
  - Figure 13-2 IEEE-488 Connections
    218
  - Figure 13-3 IEEE-488 and RS-232 Connector Location
    219
  - Primary Address
    220
- General Bus Commands
  220
  - Table 13-1 General Bus Commands
    220
  - GTL (Go to Local)
    221
  - IFC (Interface Clear)
    221
  - LLO (Local Lockout)
    221
  - REN (Remote Enable)
    221
  - DCL (Device Clear)
    222
  - GET (Group Execute Trigger)
    222
  - SDC (Selective Device Clear)
    222
  - SPE, SPD (Serial Polling)
    222
- Front Panel GPIB Operation
  223
  - Error and Status Messages
    223
  - GPIB Status Indicators
    223
    
    Lstn
    223
    
    Rem
    223
    
    Talk
    223
    
    Srq
    224
  - LOCAL Key
    224
- Programming Syntax
  224
  - Command Words
    224
    
    Commands and Command Parameters
    224
  - Query Commands
    226
  - Case Sensitivity
    227
  - Long-Form and Short-Form Versions
    227
  - Short-Form Rules
    227
  - Program Messages
    228
    
    Multiple Command Messages
    228
    
    Single Command Messages
    228
    
    Command Execution Rules
    229
    
    Command Path Rules
    229
    
    Program Message Terminator (PMT)
    229
    
    Using Common and SCPI Commands in the same Message
    229
  - Response Messages
    230
    
    Multiple Response Messages
    230
    
    Response Message Terminator (RMT)
    230
    
    Sending a Response Message
    230
  - Message Exchange Protocol
    230
- RS-232 Interface Operation
  231
  - Sending and Receiving Data
    231
  - Baud Rate
    231
  - Data Bits and Parity
    231
  - Terminator
    232
  - Flow Control (Signal Handshaking)
    232
  - RS-232 Connections
    232
  - Error Messages
    233
  - Table 13-3 PC Serial Port Pinout
    233
  - Programming Example
    234
14 Status Structure

235
- Overview
  236
  - Status Byte and SRQ
    236
  - Status Register Sets
    236
  - Queues
    236
  - Figure 14-1 Model 2500 Status Register Structure
    237
- Clearing Registers and Queues
  238
- Programming and Reading Registers
  239
  - Programming Enable Registers
    239
  - Figure 14-2 16-Bit Status Register
    239
  - Reading Registers
    240
- Status Byte and Service Request (SRQ)
  241
  - Status Byte Register
    242
  - Service Request Enable Register
    243
  - Serial Polling and SRQ
    243
    
    SPE, SPD (Serial Polling)
    243
  - Status Byte and Service Request Commands
    244
    
    Programming Example - Set MSS (B6) When Error Occurs
    244
- Status Register Sets
  245
  - Register Bit Descriptions
    245
    
    Figure 14-4 Standard Event Status
    245
    
    Standard Event Register
    245
    
    Figure 14-5 Operation Event Status
    247
    
    Operation Event Register
    247
    
    Measurement Event Register
    248
    
    Figure 14-6 Measurement Event Status
    249
    
    Questionable Event Register
    250
  - Condition Registers
    251
  - Event Registers
    251
  - Event Enable Registers
    252
    
    Programming Example - Program and Read Register Set
    253
- Queues
  253
  - Output Queue
    253
  - Error Queue
    254
    
    Programming Example - Read Error Queue
    255
    
    Table 14-9 Error Queue Commands
    255
15 Common Commands

256
- Command Summary
  257
- Command Reference
  258
  - IDN? - Identiﬁcation Query
    258
  - OPC - Operation Complete
    258
  - OPC? - Operation Complete Query
    258
    
    OPC Programming Example
    259
  - OPT? - Option Query
    259
  - SAV <Nrf> - Save
    259
  - RCL <Nrf> - Recall
    259
    
    Table 15-2 *OPC Programming Example
    259
    
    SAV, *RCL Programming Example
    260
  - RST - Reset
    260
  - TRG - Trigger
    260
    
    TRG Programming Example
    261
  - TST? - Self-Test Query
    261
  - WAI - Wait-To-Continue
    261
16 SCPI Signal-Oriented Measurement Commands

262
- Command Summary
  263
- Conﬁguring Measurement Function
  263
  - Configure:current[:DC]
    263
- Acquiring Readings
  264
  - Fetch
    264
  - Data[:Latest]
    265
  - Read
    265
  - Measure[:Current[:DC]]
    266
17 SCPI Command Reference

267
- Reference Tables
  268
- Table 17-5 Sense Command Summary
  277
- Table 17-6 Source Command Summary
  279
- Table 17-7 Status Command Summary
  284
- Table 17-8 System Command Summary
  285
- Table 17-9 Trace Command Summary
  286
- Table 17-10 Trigger Command Summary
  287
- Calculate Subsystems
  288
- Calculate[1] and Calculate2
  289
  - Select Math Function
    289
- Set MX + B Parameters
  290
  - Mbfactor <N
    290
  - Mmfactor <N
    290
  - Munits <Name
    290
- Set Optical Power Parameters
  291
  - DC<N
    291
  - Resp<N
    291
- Enable and Read Math Function Result
  292
  - State <B
    292
  - Data
    292
  - Latest
    292
- Calculate3 and Calculate4
  293
  - Select Input Path
    293
    
    FEED <Name
    293
  - Set or Acquire Relative Value
    294
    
    Acquire
    294
    
    Offset <N
    294
  - Enable and Read Relative Result
    294
    
    Data
    294
    
    State <B
    294
- Calculate5
  295
  - Select RATIO Calculation Mode
    295
    
    Format <Name
    295
  - Enable and Read RATIO Result
    295
    
    Data
    295
    
    State <B
    295
- Calculate6
  296
  - Select DELTA Calculation Mode
    296
    
    Format <Name
    296
  - Enable and Read DELTA Result
    296
    
    Data
    296
    
    State <B
    296
- Calculate7
  297
  - Select Input Path
    297
    
    FEED <Name
    297
  - Read Limits Data
    298
    
    Data
    298
    
    Latest
    298
  - Conﬁgure and Control Limit Tests
    298
    
    Compliance:fail <Name
    298
    
    [:DATA] <N
    298
    
    Source3 <Nrf> | <NDN
    299
    
    Pass:source3 <Nrf> | NDN
    301
    
    State <B
    301
    
    Composite Testing
    302
    
    Fail
    302
    
    Pass:source3 <Nrf> | NDN
    302
    
    Bcontrol <Name
    303
    
    Fail:source3 <Nrf> | <NDN
    303
    
    AUTO <B
    304
    
    Clear Test Results
    304
    
    MODE <Name
    304
    
    [:Immediate]
    304
  - Calculate8
    305
    
    Acquire Statistic
    305
    
    Data
    305
    
    Format <Name
    305
    
    Select Statistic
    305
  - Display Subsystem
    306
    
    Control Display
    306
    
    Digits <N
    306
    
    Enable <B
    306
    
    Attributes
    307
    
    MODE <Name
    307
    
    Data
    308
    
    DATA <A
    308
    
    Deﬁne :TEXT Messages
    308
    
    Read Display
    308
    
    State <B
    309
  - Format Subsystem
    309
    
    Data Format
    309
    
    [:DATA] <Type>[,Length]
    309
    
    Figure 17-1 ASCII Data Format
    310
    
    Figure 17-2 IEEE-754 Single Precision Data Format (32 Data Bits)
    311
    
    Data Elements
    312
    
    Elements <Item List
    312
    
    CALC Data Elements
    315
    
    Calculate <Item List
    315
    
    Source3 <Name
    315
    
    Trace <Item List
    316
    
    Trace Data Elements
    316
    
    Border <Name
    317
    
    Byte Order
    317
    
    Sregister <Name
    317
    
    Status Register Format
    317
  - Output Subsystem
    318
    
    Turn Source on or off
    318
    
    [:State] <B
    318
    
    Enable[:State] <B
    319
    
    Output Enable Control
    319
    
    Tripped
    319
- Sense Subsystem
  320
  - Select Measurement Range
    320
    
    AUTO <B
    320
    
    [:Upper] <N
    320
    
    Llimit <N
    321
    
    Ulimit <N
    321
  - Set Measurement Speed
    322
    
    Nplcycles <N
    322
  - Conﬁgure and Control Filters
    323
    
    Average Filter Commands
    323
    
    Count <N
    323
    
    [:State] <B
    323
    
    Advanced:ntolerance <N
    324
    
    Advanced[:State] <B
    324
    
    Tcontrol <Name
    324
    
    Median Filter Commands
    325
    
    Median:rank <Nrf
    325
    
    Median[:State] <B
    325
- Source Subsystem
  326
  - Source[1] and Source2
    326
  - Control Source Output On-Off
    326
    
    MODE <Name
    326
    
    [:Immediate]
    326
  - Select Sourcing Mode
    327
    
    MODE <Name
    327
  - Select Range
    327
    
    Range <N
    327
    
    AUTO <B
    328
  - Set Amplitude for Fixed Source
    329
    
    [:Immediate][:Amplitude] <N
    329
    
    Triggered[:Amplitude] <N
    330
  - Set Delay
    331
    
    AUTO <B
    331
    
    Delay <N
    331
  - Select Ground Connect Mode
    332
    
    Gconnect <B
    332
  - Conﬁgure Sweeps
    332
    
    Ranging <Name
    332
    
    Spacing <Name
    333
    
    Start <N
    333
    
    STOP <N
    333
    
    Center <N
    334
    
    SPAN <N
    334
    
    STEP <N
    335
    
    Points <N
    336
    
    Conﬁgure List
    337
    
    Direction <Name
    337
    
    Voltage <Nrf List
    337
    
    Append <Nrf List>
    338
    
    List Sweep
    338
    
    Points
    338
    
    Logarithmic Sweep
    339
    
    Setting Digital Output
    340
    
    Source3
    340
    
    [:Level] <Nrf> | <NDN
    340
    
    Actual
    341
    
    MODE <Name
    341
    
    AUTO <B
    342
    
    Bsize <N
    342
    
    Bstate <B
    342
    
    Clearing Digital Output
    342
    
    [:Immediate]
    342
    
    Delay <N
    343
  - Status Subsystem
    344
    
    Enable <NDN> or <Nrf
    344
    
    Program Event Enable Registers
    344
    
    Read Event Registers
    344
    
    [:Event]
    344
    
    Clear
    345
    
    Condition
    345
    
    Error Queue
    345
    
    Preset
    345
    
    Read Condition Registers
    345
    
    Select Default Conditions
    345
    
    [:Next]
    345
    
    Disable <List
    346
    
    Enable <List
    346
  - System Subsystem
    347
    
    Default Conditions
    347
    
    Posetup
    347
    
    Preset
    347
    
    Control Auto Zero
    348
    
    Lfrequency <Freq
    348
    
    Select Power Line Frequency Setting
    348
    
    State <Name
    348
  - Error Queue
    348
    
    [:Next]
    348
    
    All
    349
    
    Clear
    349
    
    Code:all
    349
    
    Code[:Next]
    349
    
    Count
    349
  - Simulate Key Presses
    350
    
    Key
    350
  - Read Version of SCPI Standard
    351
    
    Version
    351
  - RS-232 Interface
    351
    
    Local
    351
    
    Remote
    351
    
    Rwlock
    352
  - Reset Timestamp
    352
    
    Reset
    352
- Trace Subsystem
  353
  - Read and Clear Buffer
    353
    
    Clear
    353
    
    Data
    353
  - Conﬁgure and Control Buffer
    354
    
    Actual
    354
    
    Free
    354
    
    Points <N
    354
    
    Control <Name
    355
  - Select Timestamp Format
    355
    
    Format <Name
    355
- Trigger Subsystem
  356
  - Initiate Source/Measure Cycle
    356
    
    Initiate
    356
  - Abort Source/Measure Cycle
    356
    
    Abort
    356
  - Program Trigger Model
    357
    
    Count <N
    357
    
    Delay <N
    358
    
    Source <Name
    358
    
    Direction <Name
    359
    
    Timer <N
    359
    
    Input <Event List
    360
    
    Iline <Nrf
    361
    
    Oline <Nrf
    361
    
    Output <Event List
    362
    
    Status and Error Messages
    366
    
    113, Undeﬁned Header
    373
    
    Eliminating Common SCPI Errors
    373
    
    420, Query UNTERMINATED
    374
- Data Flow
  
  375
  - Figure C-1 Data Flow Block Diagram
    376
  - Introduction
    376
  - SENS1 and SENS2
    377
    
    Fetch
    377
    
    Init
    377
    
    Read
    377
  - Calculate3:Data? and Calculate4:Data
    378
  - Calculate5:Data? and Calculate6:Data
    378
  - Calculate7:Data
    378
  - Calculate8:Data
    378
  - Calculate[1]:Data? and Calculate2:Data
    378
  - Trace:data
    378
- IEEE-488 Bus Overview
  
  379
  - Introduction
    380
  - Bus Description
    381
  - Figure D-1 IEEE-488 Bus Conﬁguration
    382
  - Bus Lines
    383
    
    Bus Management Lines
    383
    
    Data Lines
    383
    
    Handshake Lines
    383
  - Bus Commands
    385
    
    Uniline Commands
    386
    
    Universal Multiline Commands
    386
    
    Address Commands
    387
    
    Addressed Multiline Commands
    387
    
    Unaddress Commands
    387
    
    Common Commands
    388
    
    SCPI Commands
    388
    
    Table D-2 Hexadecimal and Decimal Command Codes
    388
    
    Command Codes
    389
    
    Figure D-3 Command Codes
    389
    
    Table D-3 Typical Addressed Multiline Command Sequence
    390
    
    Table D-4 Typical Addressed Common Command Sequence
    390
    
    Typical Command Sequences
    390
    
    IEEE Command Groups
    391
    
    Table D-5 IEEE Command Groups
    391
500 D IEEE-488 Bus Overview

389
- Interface Function Codes
  392
- Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA
  393
IEEE-488 and SCPI Conformance Information

395
- Introduction
  395
  - Table E-2 Coupled Commands
    397
Measurement Considerations

398
- Low Current Measurements
  399
  - Leakage Currents
    399
  - Noise and Source Impedance
    399
    
    DUT Resistance
    399
    
    Source Capacitance
    400
  - Generated Currents
    401
    
    Offset Currents
    401
    
    Electrochemical Effects
    402
    
    Humidity
    402
    
    Piezoelectric and Stored Charge Effects
    402
    
    Triboelectric Effects
    402
    
    Dielectric Absorption
    403
  - Voltage Burden
    403
  - Figure F-1 Voltage Burden
    403
- General Measurement Considerations
  404
  - Ground Loops
    404
  - Light
    405
  - Electrostatic Interference
    406
  - Magnetic Fields
    407
  - Electromagnetic Interference (EMI)
    407
GPIB 488.1 Protocol

408
- Introduction
  409
- Selecting the 488.1 Protocol
  409
- Protocol Differences
  410
  - Message Exchange Protocol (MEP)
    410
  - Using SCPI-Based Programs
    410
  - Bus Hold-Off
    411
  - Trigger-On-Talk
    411
  - Message Available
    411
  - General Operation Notes
    411
Example Programs

412
- Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA
  412
- Introduction
  413
  - Hardware Requirements
    413
  - Software Requirements
    413
  - General Program Instructions
    413
- Basic Measurement Program
  414
- Photodiode Measurement Program
  415
- Data Store Program
  416
- Linear Sweep Program
  417
- Limit Test Program
  418

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