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Keithley
Multimeter
2001
Keithley 2001 User Manual
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Front Panel Operation
3-56
Figure 3-22
T
rigger model (fr
ont panel operation)
Idle
Arm Layer
(Arm Layer 1)
Arm Event
Detection
Source
Idle
No
Yes
Immediate
External
Manual
GPIB
Triglink
Hold
TRIG (or SCAN)
Arm Trigger Control = Source
(Source Bypass Enabled)*
Another
Arm
?
Output
Trigger
Arm Count
No
Yes
Scan Layer
(Arm Layer 2)
Scan Event
Detection
No
Yes
Scan Trigger Control = Source
(Source Bypass Enabled)*
Another
Scan
?
Scan Count
No
Yes
Delay
Scan Delay
Measure Event
Detection
No
Yes
Measure Trigger Control = Source
(Source Bypass Enabled)*
Measure Count
Measure Delay
Device
Action
Output
Trigger
Source
Output
Trigger
Delay
Source
Measure Layer
(Trigger Layer)
Source
Bypass
Enabled
?
Source
Bypass
Enabled
?
Another
Measure
?
Halt triggers,
enable scanning or
burst mode
Immediate
External
Manual
GPIB
Triglink
Timer
Hold
Immediate
External
Manual
GPIB
Triglink
Timer
Hold
* Take bypass path the first time a layer is entered
94
96
Table of Contents
Table of Contents
7
Safety Precautions
5
4 Ieee-488 Reference
14
1 General Information
19
Introduction
19
Features
19
Warranty Information
20
Manual Addenda
20
Safety Symbols and Terms
20
Specifications
20
Inspection
20
Options and Accessories
20
2 Getting Started
22
Introduction
22
Front and Rear Panel Summary
22
Front Panel
22
Rear Panel
22
Figure 2-1 Model 2001 Front Panel
23
Figure 2-2 Model 2001 Rear Panel
24
Front Panel Display
25
Table 2-1 DCV Multiple Displays
26
Overview of Measurement Process
27
Idle
28
Arm Layer
28
Scan Layer
28
Measure Layer
28
Initial Configuration
29
Front Panel Operation
29
Measuring DC Voltage Example
29
Figure 2-4 Typical DC Voltage Connections
30
Table 2-3 CONFIGURE DCV Menu Structure
31
Storing DC Voltage Readings Example
32
Table 2-4 Multiple Displays for Recalled Readings
33
IEEE-488.2 and SCPI Basics
34
SCPI Overview
34
Compatibility
34
Bus Connection
34
Primary Address
34
Abbreviated Common Command Summary
34
Abbreviated SCPI Command Summary
35
Table 2-7 Abbreviated SCPI Command Summary
36
Syntax Rules
37
Programming Examples
38
Power-Up Procedure
40
Line Power Connections
40
Line Fuse Replacement
41
Power-Up Sequence
41
Table 3-1 Data Checked on Power-Up
42
High Energy Circuit Safety Precautions
43
Power-On Default Conditions
43
Warm-Up Period
43
IEEE-488 Primary Address
43
Display
43
Display Format
43
Figure 3-1 Model 2001 Display Formats
44
Multiple Displays
45
Table 3-3 Multiple Displays by Function
46
Figure 3-3 Bar Graph (Zero-At-Left) Multiple Display
47
Information Messages
48
Status and Error Messages
48
Table 3-4 Status and Error Messages
49
Menu Structures
50
EXIT Key
50
Functions
51
DC and AC Voltage
52
Figure 3-6 DC Voltage Measurements
53
Table 3-6 CONFIGURE DCV Menu Structure
54
Table 3-7 CONFIGURE ACV Menu Structure
55
Table 3-8 DCV and ACV Integration Times Set-By-Resolution
56
Table 3-10 DCV and ACV Auto Resolution
57
Figure 3-8 Positive and Negative Peak Spikes
60
Figure 3-9 DC Voltage Multifunction Multiple Displays
61
Figure 3-10 AC Voltage Multifunction Multiple Displays
65
DC and AC Current
67
Figure 3-11 DC and AC Current Measurements
68
Table 3-11 CONFIGURE DCI Menu Structure
69
Table 3-12 CONFIGURE ACI Menu Structure
70
Table 3-15 DCI and ACI Auto Resolution
71
Figure 3-12 DC In-Circuit Current Measurements
72
Two and Four-Wire Resistance
74
Figure 3-14 Two-Wire Resistance Measurements
75
Figure 3-15 Four-Wire Resistance Measurements
76
Table 3-17 CONFIGURE OHMS-4W Menu Structure
77
Table 3-20 Ω 2 and Ω 4 Auto Resolution
78
Frequency
79
Figure 3-16 Frequency Measurements
80
Table 3-22 CONFIGURE FREQUENCY Menu Structure
81
Temperature
82
Figure 3-17 4-Wire RTD Temperature Measurements
83
Figure 3-18 3-Wire RTD Temperature Measurements
84
Table 3-23 CONFIG TEMPERATURE Menu Structure
86
Figure 3-21 Temperature Equations
87
Table 3-25 Temperature Integration Time Set-By-Resolution
89
Table 3-26 Temperature Auto Resolution
90
Range
91
Display Resolution
91
Maximum Readings
91
Manual Ranging
91
Autoranging
92
Relative
92
Configuring Rel
92
Enabling Rel
93
Multiple Display of Rel
93
Triggers
93
Trigger Model
93
Table 3-28 CONFIGURE TRIGGER Menu Structure
94
Figure 3-22 Trigger Model (Front Panel Operation)
95
Configuring the Measure Layer
98
Configuring the Scan Layer
101
Configuring the Arm Layer
103
Halting Triggers
105
External Triggering
105
Figure 3-27 External Trigger Connectors
107
Trigger Link
108
Trigger Link
109
Figure 3-29 DUT Test System
109
Figure 3-31 Operation Model for Asynchronous Trigger Link Example #1
111
Figure 3-32 Connections Using Trigger Link Adapter
112
Figure 3-34 Trigger Link Connections (Asynchronous Example #2)
113
Figure 3-35 Operation Model for Asynchronous Trigger Link Example #2
115
Figure 3-37 Typical Semi-Synchronous Mode Connections
116
Figure 3-38 Trigger Link Connections (Semi-Synchronous Example)
117
Figure 3-39 Operation Mode for Semi-Synchronous Trigger Link Example
118
Buffer
119
Burst Mode
120
Available Functions in Burst Mode
120
Table 3-32 Burst Mode Sequence
121
Configuring Data Storage
122
Storing and Recalling Readings
123
Table 3-33 Fill-And-Stop Sequence
123
Buffer Multiple Displays
124
Table 3-34 Pretrigger Sequence
124
Table 3-35 Continuous Sequence
124
Filters
125
Digital Filter Types
125
Digital Filter Modes
125
Response Time (Digital Filter)
127
Auto Filtering (Digital)
127
Configuring the Digital Filter
127
Figure 3-40 Digital Filter
127
CONFIG-FILTER Menu Structure
128
Enabling/Disabling the Filter
129
Analog Filter
130
Math
131
MX+B
131
Percent
132
Percent Deviation
132
Configuring Math
132
Enabling Math
133
Calculate Multiple Display
133
Scanning
133
Scanning Overview
133
Front Panel Scanner Controls
134
Using CHAN to Close and Open Internal Channels
134
Using CONFIG-CHAN to Configure Channels
135
CONFIGURE CHANNELS Menu Structure
135
Using CONFIG-SCAN to Configure Scanning
137
SCAN OPERATION Menu Structure
137
Using SCAN to Configure Scan Parameters
138
Starting and Stopping Scanning
138
Figure 3-42 SCAN Key Menu Structure
139
Scanner Operation Examples
140
Menu
144
Table 3-42 Main Menu Structure
145
Savesetup
146
Factory Default Conditions
148
Gpib
153
Calibration
154
Test
155
Limits
155
Figure 3-44 Limits Bar Graph Example
156
Limit Values and Actions
157
Status-Msg
158
General
158
Figure 3-46 Digital I/O Port
159
Figure 3-48 Sample Externally Powered Relay
161
Figure 3-49 Line Cycle Synchronization
164
4 IEEE-488 Reference
165
Introduction
165
IEEE-488 Bus Connections
165
Figure 4-1 IEEE-488 Connector
166
Figure 4-2 IEEE-488 Connections
166
Primary Address Selection
167
Figure 4-4 Contact Assignments
167
Controller Programming
168
Front Panel Aspects of IEEE-488 Operation
168
Error and Status Messages
168
IEEE-488 Status Indicators
168
LOCAL Key
169
Status Structure
169
Standard Event Status
169
Figure 4-5 Model 2001 Status Register Structure
170
Operation Event Status
171
Figure 4-6 Standard Event Status
171
Figure 4-7 Operation Event Status
172
Arm Event Status
173
Figure 4-8 Arm Event Status
174
Sequence Event Status
175
Figure 4-9 Sequence Event Status
175
Trigger Event Status
177
Figure 4-10 Trigger Event Status
177
Measurement Event Status
179
Figure 4-11 Measurement Event Status
179
Questionable Event Status
180
Figure 4-12 Questionable Event Status
181
Queues
182
Status Byte and Service Request (SRQ)
183
Trigger Model (IEEE-488 Operation)
185
Figure 4-14 Trigger Model (IEEE-488 Bus Operation)
186
General Bus Commands
189
REN (Remote Enable)
190
IFC (Interface Clear)
190
LLO (Local Lockout)
190
GTL (Go to Local) and Local
191
DCL (Device Clear)
191
SDC (Selective Device Clear)
191
GET (Group Execute Trigger)
191
Programming Syntax
193
Table
194
Common Commands
199
Operation Event Status
200
CLS Clear Status
200
Standard Event Enable Register
201
ESE? Event Enable Query
202
Standard Event Status Register
203
Figure
203
OPC Operation Complete
204
OPC? Operation Complete Query
205
RCL Recall
207
SRE Service Request Enable
208
Service Request Enable Register
209
SRE? Service Request Enable Query
209
STB? Status Byte Query
210
Status Byte Register
211
Figure
211
TRG Trigger
211
TST? Self-Test Query
212
Signal Oriented Measurement Commands
215
SCPI Command Subsystems
221
Calculate Subsystems
223
Calculate[1]
224
Calculate2
229
Calculate3
232
Calibration Subsystem
241
Display Subsystem
243
Table
246
Format Subsystem
249
ASCII Data Format
250
Figure
250
IEEE754 Single Precision Data Format (32 Data Bits)
251
IEEE754 Double Precision Data Format (64 Data Bits)
251
Output Subsystem
256
Table 4-11 Route Command Summary
258
Route Subsystem
258
Close <List>
259
OPEN <List>
260
Open:all
261
SCAN Commands
262
Table 4-12 Sense Command Summary
271
Sense Subsystems
271
Table
272
Sense[1]] Subsystem
279
Alternate[1] Commands
280
DATA Commands
281
Aperture <N>
282
Table 4-13 Auto Aperture; ACI
285
Table 4-14 Auto Aperture; DCI
285
Table 4-15 Auto Aperture; ACV
286
Nplcycles <N>
287
Table 4-18 Auto NPLC; DCI
290
Table 4-19 Auto NPLC; ACV
290
Coupling AC|DC
291
Range Commands
292
Reference <N>
297
Digits <N>
301
Table 4-21 Auto Resolution; ACI
303
Table 4-22 Auto Resolution; DCI
304
Table 4-23 Auto Resolution; ACV
304
Average Commands
305
Table 4-25 Auto Resolution; TEMP
305
Filter
312
Detector Commands
313
Pwindow <N>
314
Method <Name>
315
Threshold Commands
316
Transducer <Name>
319
RTD Commands
320
Sprtd
323
Tcouple:type <Name>
324
Rjunctionx
325
REAL Commands
327
Ocompensated <B>
329
Source Subsystem
331
Status Subsystem
333
Event]?
334
Measurement Event Register
335
Questionable Event Register
336
Figure 4-22 Measurement Event Register
336
Operation Event Register
337
Figure
337
Figure 4-23 Questionable Event Register
337
Trigger Event Register
338
Arm Event Register
338
Figure 4-24 Operation Event Register
338
Sequence Event Register
339
Figure
339
Figure 4-26 Arm Event Register
339
Enable <Nrf>
340
Measurement Event Enable Register
341
Questionable Event Enable Register
342
Operation Event Enable Register
342
Trigger Event Enable Register
343
Arm Event Enable Register
343
Sequence Event Enable Register
343
Ptransition <Nrf>
344
Figure
345
Figure
346
Measurement Transition Filter
346
Questionable Transition Filter
347
Figure
347
Figure
348
Operation Transition Filter
348
Trigger Transition Filter
349
Arm Transition Filter
350
Figure
350
Sequence Transition Filter
351
Figure
351
Ntransition <Nrf>
352
Condition?
355
Preset
356
System Subsystem
361
Posetup <Name>
362
Version?
363
Azero Commands
364
Amethod <Name>
366
Lsync:state <B>
370
KEY <Nrf>
371
Figure
372
Key-Press Codes
372
Clear
373
Table 4-31 Trace Command Summary
375
Trace Subsystem
375
Free? [Buffer,]
376
Points [BUFFER,] <N>
377
FEED [BUFFER,] <Name>
378
Data? [Buffer,]
383
Trigger Subsystem
385
Initiate Commands
386
Abort
387
Count <N>
388
Delay <N>
389
Source <Name>
390
Timer <N>
391
Signal
392
Table 4-33 UNIT Command Summary
397
UNIT Subsystem
397
Frequency Counter
409
D SCPI Command Subsystems
423
Table D-1 Calculate Command Summary
424
Table D-2 Calibrate Command Summary
425
Table D-3 Display Command Summary
426
Table D-4 Format Command Summary
427
Table D-6 Route Command Summary
428
Table D-7 Sense Command Summary
429
Table D-8 Source Command Summary
438
Table D-10 System Command Summary
439
Table D-11 Trace Command Summary
440
Table D-12 Trigger Command Summary
441
Table D-13 UNIT Command Summary
442
E Interface Function Codes
443
Example Program
448
Table G-1 BASIC Statements Necessary to Send Bus Commands
449
Figure
456
Figure
457
IEEE-488 Bus Configuration
457
Figure
458
IEEE-488 Handshake Sequence
458
IEEE-488 Bus Command Summary
459
Table
462
Hexadecimal and Decimal Command Codes
462
Typical Addressed Command Sequence
462
Typical Common Command Sequence
462
Table H-2 Hexadecimal and Decimal Command Codes
462
Table
463
IEEE Command Groups
463
Table H-5 IEEE Command Groups
463
Table
464
IEEE-488 Documentation Requirements
464
Table I-1 IEEE-488 Documentation Requirements
464
Table
465
Coupled Commands
465
Table I-2 Coupled Commands
465
Scpi Conformance Information
468
Syntax of SCPI Confirmed Commands Implemented by Model 2001
469
Table
474
Syntax of Non-SCPI Commands Implemented by Model 2001
474
Other manuals for Keithley 2001
Repair Manual
168 pages
Calibration Manual
107 pages
Quick Reference Guide
94 pages
5
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Keithley 2001 Specifications
General
Brand
Keithley
Model
2001
Category
Multimeter
Language
English
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