KEITHLEY, "Model 2700 Multimeter Switch System", User's Manual, November 2001, 462 pages.
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Titre : KEITHLEY, Model 2700 Multimeter Switch System, User's Manual, November 2001, 462 pages.
Cité dans : [DIV126] T. LEQUEU, Librairie des fichiers PDF de composants, octobre 2022.
Cité dans : [DIV341] Informations diverses sur les Thermocouples, décembre 2010.
Cité dans : [DIV400] T. LEQUEU, Projet 01 - REG-TEMP / Régulation de température d'un refroidisseur à eau, documentation technique de la maquette, mai 2003.
Cité dans : [DIV603] T. LEQUEU, Projet 03 - BANC-LI / Banc de test de batteries Lithium pour véhicules électriques, documentation technique de la maquette, projets LMP4, janvier 2011.
Auteur : Keithley Instruments, Inc.
Lien : KE2700.pdf - 4654 Ko, novembre 2001.
Pages : 1 - 462
Lien : KE7708.pdf - 84 Ko, mai 2003, 1 page.
Lien : MILLER1.pdf - 117 Ko, 8 pages, WHITE PAPER, Techniques for Reducing Resistance Measurement Uncertainty: DC Current Reversals vs. Classic Offset Compensation, By Chris Miller, Project Manager , Keithley Instruments, Inc.
Lien : KEITHLEY1.pdf - 148 Ko, 9 pages, Precise Measurement FAQs.
Adresse : Keithley Instruments, Inc. 28775 Aurora Road - Cleveland, Ohio 44139
Tel. : 440-248-0400
Fax. : 440-248-6168
Info. : 1-888-KEITHLEY (534-8453)
Site : http://www.keithley.com
FRANCE : 3, allée des Garays - 91127 Palaiseau Cédex
Tel. : 01 64 53 20 20
Fax. : 01 60 11 77 26
Vers : Table of Contents
General information 1-2
Warranty information 1-2
Contact information 1-2
Safety symbols and terms 1-2
Inspection 1-3
Options and accessories 1-3
Plug-in switching modules 1-3
Connector and adapter kits for switching modules 1-4
Cables and adapters (GPIB and trigger link) 1-4
Rack mount kits . 1-5
Carrying case 1-5
Model 2700 features 1-5
Plug-in switching modules . 1-6
Pseudocards . 1-8
Identifying installed switching modules 1-8
Front and rear panel familiarization . 1-8
Front panel summary 1-8
Rear panel summary . 1-12
Power-up . 1-13
Line power connection 1-13
Line frequency . 1-14
Setting line voltage and replacing fuse 1-15
Power-up sequence . 1-16
Keyclick 1-16
Remote programming . 1-17
Display 1-17
Status and error messages 1-17
Remote programming — display 1-17
Display commands 1-17
DISPlay:TEXT:DATA <a> . 1-18
DISPlay:TEXT:STATe ON | OFF 1-18
DISPlay:ENABle ON | OFF 1-18
Programming example 1-18
Defaults and user setups . 1-19
Saving and restoring setups . 1-20
Saving a user setup . 1-20
Saving a power-on setup 1-20
Restoring a setup 1-20
Remote programming — default and user setups 1-24
Programming example 1-24.
Remote programming information . 1-25
Quick start exercises 1-25
Basic DMM measurements — front panel inputs 1-26
Exercise 1 — Basic DMM measurements 1-27
Closing and opening channels — system channel operation . 1-28
Close/open operation . 1-29
Exercise 2 — Closing and opening channels (system channel operation) 1-31
Simple scanning . 1-31
Exercise 3 — Simple scanning . 1-33
Trigger and return readings — remote programming . 1-34
Exercise 4 — Trigger and return a single reading 1-34
Exercise 5 — Trigger and return multiple readings . 1-34
Exercise 6 — Return a single reading (continuous triggering) 1-34
Switching module installation and connections . 2-3
Module installation 2-3
Connections . 2-4
Pseudocards . 2-5
Channel assignments . 2-5
System channel operation . 2-6
2-wire functions 2-7
4-wire functions (paired channels) 2-8
Controlling the system channel . 2-9
and keys 2-9
CLOSE key (SINGLE menu option) . 2-10
OPEN key (ALL menu option) . 2-11
Remote programming — system channel
control commands 2-11
Multiple channel operation . 2-13
Controlling multiple channels . 2-14
CLOSE key (MULTI menu option) 2-15
OPEN key 2-15
Remote programming — Multiple channel
control commands 2-16
Multiple channel operation anomalies . 2-18
Anomaly #1 example — wrong channel displayed . 2-18
Anomaly #2 example — opening the
paired channel . 2-19
Dual independent multiplexers 2-20
Dual multiplexer application 2-21.
Identifying installed modules and viewing closed channels 2-25
CARD menu . 2-25
Switching module queries (remote operation) 2-27
*OPT? 2-27
ROUTe:CLOSe? 2-28
ROUTe:MULTiple:CLOSe? 2-28
ROUTe:MULTiple:CLOSe:STATe? <clist> . 2-28
SYSTem:CARD commands 2-28
Relay closure count . 2-29
Reading relay closure count . 2-30
Setting count update interval 2-30
Model 7700 switching module 2-31
Switching module capabilities 2-31
Schematic diagram 2-32
DMM measurement capabilities . 3-2
High energy circuit safety precautions . 3-3
Performance considerations . 3-4
Warm-up . 3-4
Autozero 3-4
LSYNC (line cycle synchronization) . 3-5
Remote programming — autozero and LSYNC 3-6
Autozero and LSYNC commands 3-6
Channel list parameter (<clist>) 3-7
Voltage measurements (DCV and ACV) 3-8
DCV input divider 3-8
Connections . 3-8
Front panel input 3-9
Model 7700 switching module . 3-10
Volts measurement procedure . 3-11
Crest factor 3-12
Low level considerations 3-12
Shielding . 3-12
Thermal EMFs . 3-13
AC voltage offset . 3-13
Current measurements (DCI and ACI) . 3-14
Connections 3-14
Front panel inputs 3-14
Model 7700 switching module . 3-15
Amps measurement procedure 3-15
AMPS fuse replacement (front panel AMPS input) 3-16.
Resistance measurements (2 and .4) 3-16
Connections 3-17
Front panel inputs . 3-17
Model 7700 switching module 3-18
Shielding . 3-19
Cable leakage . 3-19
Standard resistance measurements 3-19
Offset-compensated ohms 3-20
Enabling/disabling offset-compensated ohms . 3-21
Performing offset-compensated ohms
measurements 3-21
Temperature measurements 3-22
Thermocouples . 3-22
Reference junctions . 3-23
Open thermocouple detection 3-24
Thermistors 3-24
4-wire RTDs . 3-25
Connections 3-25
Thermocouple connections 3-25
Thermistor connections . 3-28
4-wire RTD connections 3-28
Temperature measurement configuration 3-29
Thermocouple temperature measurement
configuration . 3-29
Thermistor temperature measurement
configuration . 3-30
4-wire RTD temperature measurement
configuration . 3-31
Temperature measurement procedure 3-32
Frequency and period measurements . 3-33
Trigger level . 3-33
Gate time . 3-33
Connections 3-34
Front panel input 3-34
Model 7700 switching module 3-34
Frequency and period measurement procedure 3-35
Continuity testing 3-36
Connections 3-36
Front panel input 3-36
Model 7700 switching module 3-36
Continuity testing procedure 3-37.Remote programming for basic measurements 3-38
Basic measurement commands . 3-38
Basic measurement programming examples 3-44
Example #1 — continuous triggering 3-44
Example #2 — one-shot triggering . 3-44
Example #3 — temperature measurement
using Model 7700 3-44
Example #4 — Scan configuration (Model 7700) . 3-45
Measurement queries 3-45
:FETCh? 3-45
What it does 3-45
Limitations 3-45
Where appropriate 3-45
:READ? . 3-46
What it does 3-46
Limitations 3-46
When appropriate . 3-46
:MEASure[:<function>]? . 3-46
What it does 3-46
Limitations 3-46
When appropriate . 3-46
[:SENSe[1]]:DATA:FRESh? 3-47
What it does 3-47
Limitations 3-47
When appropriate . 3-47
[:SENSe[1]]:DATA[:LATest]? 3-47
What it does 3-47
Limitations 3-47
When appropriate . 3-47
Examples . 3-48
One-shot reading, DC volts, no trigger, fastest rate 3-48
One-shot reading, DC volts, bus trigger, auto ranging 3-48
One-shot reading, external trigger, auto delay enabled 3-48.
Range 4-2
Measurement ranges and maximum readings . 4-2
Manual ranging 4-3
Auto ranging 4-3
Scanning 4-3
Remote programming — range . 4-3
Range commands . 4-3
Range programming examples . 4-5
Digits 4-5
Scanning 4-5
Remote programming — digits . 4-6
Digits commands 4-6
Digits programming examples . 4-7
Rate and bandwidth . 4-7
Rate . 4-7
Bandwidth . 4-9
Scanning 4-9
Remote programming — rate and bandwidth . 4-10
Rate and bandwidth commands 4-10
Rate and bandwidth programming examples 4-12
Filter 4-13
Filter characteristics 4-13
Filter example . 4-15
Filter control and configuration . 4-16
Scanning 4-17
Remote programming — filter 4-18
Filter commands . 4-18
Filter programming examples 4-20
Relative 5-2
Basic operation . 5-2
Scanning 5-3
Remote programming — rel 5-4
Rel commands 5-4
Rel programming examples . 5-6
Math 5-7
mX+b 5-8
mX+b configuration 5-8
mX+b rel . 5-9
Percent 5-9
Percent configuration 5-9.Reciprocal (1/X) . 5-10
Reciprocal (1/X) configuration . 5-10
Basic operation . 5-11
Scanning . 5-11
Remote programming — math . 5-12
Math commands . 5-12
Math programming examples 5-14
Ratio and channel average 5-15
Basic operation . 5-16
Scanning . 5-17
Remote programming — ratio and channel average 5-18
Ratio and channel average commands . 5-18
Ratio and channel average programming examples 5-19
dB . 5-19
dB configuration 5-19
Scanning . 5-20
Remote programming — dB 5-20
dB commands 5-20
Programming examples — dB 5-21
Buffer overview 6-2
Front panel buffer 6-2
Auto clear 6-2
Enabling/disabling buffer auto clear . 6-3
Timestamps . 6-3
Configuring timestamp . 6-4
Storing readings . 6-5
Recalling readings 6-6
Buffer statistics 6-7
Minimum and maximum 6-7
Peak-to-peak . 6-7
Average 6-7
Standard deviation . 6-8
Remote programming — buffer 6-8
Buffer commands . 6-8
Programming example 6-14.
Scanning fundamentals 7-2
Channel assignments . 7-2
Sequential and non-sequential scans 7-3
Scan process 7-3
Trigger models . 7-4
Idle . 7-7
Control sources 7-7
Delays . 7-8
Device action . 7-9
Reading count 7-9
Output trigger . 7-10
Scan configuration . 7-11
Saving the configured scan . 7-12
Scan reset . 7-13
Simple scan 7-14
Advanced scan 7-15
Advanced scan setup notes . 7-15
Advanced scan setup procedure 7-16
Setting delay . 7-18
Monitor channel . 7-18
Auto channel configuration 7-19
Saving setup . 7-21
Auto scan . 7-21
Scan operation 7-22
Basic scan 7-22
Manual/external trigger scan 7-23
Monitor scan (analog trigger) 7-24
Remote programming — scanning . 7-26
Trigger model . 7-26
Channel setup . 7-27
Buffer 7-27
Scanning commands 7-27
Scanning programming example . 7-32
Scanning examples 7-32
External trigger scan 7-32
Operation . 7-33
Monitor scan . 7-35
Operation . 7-35
Trigger model . 8-2
Idle . 8-2
Control source and event detection . 8-3
Delay (auto or manual) . 8-3
Device action 8-5
Output trigger . 8-5
Reading hold (autosettle) . 8-6
Hold example . 8-6
Beeper control 8-6
External triggering 8-7
Digital I/O . 8-7
External trigger 8-8
Voltmeter complete . 8-8
External triggering example . 8-9
Model 2700 . 8-10
Model 7002 . 8-10
External triggering with BNC connections . 8-12
Remote programming — triggering . 8-13
Trigger model (remote operation) . 8-13
Idle and initiate 8-13
Trigger model operation . 8-15
Triggering commands . 8-16
Programming example 8-18
Limits 9-2
Scanning 9-4
Basic limits operation . 9-4
Setting limits . 9-4
Beeper settings . 9-4
Enabling/disabling limits 9-4
Digital I/O . 9-5
Digital input (trigger link input) . 9-5
Digital outputs 9-6
Logic sense . 9-7
Pulse option 9-7
Master limit latch . 9-7
Sink mode — controlling external devices 9-8
Source mode — logic control 9-10
Setting digital output . 9-11
Scanning 9-12.
Remote programing — limits and digital output 9-13
Limits and digital output commands 9-13
Limits and digital outputs programming example . 9-15
Application — sorting resistors . 9-16
Limits 9-16
Digital outputs 9-18
Operation enhancements 10-2
Pseudocards 10-2
Autozero 10-2
dB calculation . 10-2
Separate function setups . 10-3
DCV input divider . 10-3
Multiple channel operation . 10-3
GPIB setup 10-4
GPIB standards . 10-4
Selecting GPIB and setting primary address . 10-4
GPIB connections 10-5
General bus commands . 10-8
REN (remote enable) . 10-8
IFC (interface clear) 10-8
LLO (local lockout) . 10-9
GTL (go to local) 10-9
DCL (device clear) 10-9
SDC (selective device clear) . 10-9
GET (group execute trigger) 10-9
SPE, SPD (serial polling) . 10-9
Front panel GPIB operation . 10-10
Error and status messages 10-10
GPIB status indicators 10-10
REM . 10-10
TALK 10-10
LSTN 10-10
SRQ 10-11
LOCAL key 10-11
Programming syntax 10-11
Command words . 10-11
Commands and command parameters . 10-11
Query commands . 10-13
Case sensitivity . 10-13
Long-form and short-form versions . 10-14
Short-form rules 10-14.Program messages . 10-15
Single command messages 10-15
Multiple command messages 10-15
Command path rules . 10-16
Using common and SCPI commands in the
same message 10-16
Program message terminator (PMT) . 10-16
Command execution rules . 10-16
Response messages . 10-17
Sending a response message 10-17
Multiple response messages 10-17
Response message terminator (RMT) . 10-17
Message exchange protocol 10-17
RS-232 interface operation . 10-18
Sending and receiving data 10-18
Baud rate . 10-18
Signal handshaking (flow control) . 10-19
Terminator 10-19
Selecting and configuring RS-232 interface . 10-20
RS-232 connections 10-21
Error messages . 10-22
Overview . 11-2
Status byte and SRQ . 11-2
Status register sets . 11-2
Queues . 11-2
Clearing registers and queues 11-4
Programming and reading registers . 11-5
Programming enable registers . 11-5
Reading registers 11-6
Status byte and service request (SRQ) . 11-6
Status byte register 11-7
Service request enable register 11-8
Serial polling and SRQ 11-8
SPE, SPD (serial polling) 11-8
Status byte and service request commands . 11-9
Programming example — set MSS (B6) when
error occurs . 11-9
Serial poll programming example . 11-9
SRQ when buffer fills with 500, 1000, 1500, and
1750 readings 11-9.Status register sets . 11-11
Register bit descriptions . 11-11
Standard event register 11-11
Operation event register . 11-13
Measurement event register 11-14
Questionable event register 11-16
Condition registers 11-17
Event registers 11-17
Event enable registers 11-18
Programming example — program and
read register set 11-18
Queues . 11-19
Output queue 11-19
Error queue . 11-19
Programming example — read error queue 11-20
CONFigure:<function> [<rang>], [<res>], [<clist>] . 13-3
FETCh? 13-5
READ? 13-6
MEASure:<function>? [<rang>], [<res>], [<clist>] 13-7
FORMat commands . 14-2
FORMat[:DATA] <type>[,<length>] 14-2
ASCII data format 14-2
IEEE-754 single precision format . 14-3
FORMat:ELEMents <item list> . 14-5
FORMat:BORDer <name> . 14-6
Miscellaneous SYSTem commands . 14-7
SYSTem:PRESet 14-7
SYSTem:VERSion 14-7
SYSTem:KEY <NRf> 14-7
SYSTem:BEEPer[:STATe] <b> . 14-8
15 SCPI Reference Tables
Reference tables 15-2.
Card configuration — schematic B-2
Connections and wiring B-4
Screw terminals . B-5
Wiring procedure B-6
Typical connections . B-7
Connection log B-10
Signal processing sequence . D-2
Basic signal processing D-2
Signal processing using instrument features D-3
OComp (offset-compensated ohms) D-4
Filter D-4
Output trigger pulse (VMC) . D-4
Rel . D-4
Math D-5
Limits D-5
Buffer D-5
Signal processing using Ratio or Ch Avg D-6
Data flow (remote operation) . D-7
SENSe and sample buffer . D-8
[SENS[1]]:DATA[LATest]? D-9
[SENS[1]]:DATA:FRESh? D-9
[SENS[1]]:DATA[:LATest]? . D-9
[SENS[1]]:DATA:FRESh? D-9
FETCh? D-10
READ? . D-10
MEASure? D-10
CALC[1]:DATA[LATest]? D-10
CALC[1]:DATA:FRESh? . D-10
FETCh? D-10
READ? . D-10
MEASure? . D-11
CALC[1]:DATA[:LATest]? . D-11
CALC[1]:DATA:FRESh? . D-11
CALC3:LIM1:FAIL? . D-11
CALC3:LIM2:FAIL? . D-11
TRACe:DATA? . D-11.CALC2:IMM? . D-12
CALC2:IMM . D-12
CALC2:DATA? . D-12
Continuous measurement mode . D-12
Scanning . D-13
Measurement considerations E-2
Thermoelectric potentials E-2
Thermoelectric coefficients . E-2
Thermoelectric generation . E-3
Minimizing thermal EMFs E-4
Nulling residual thermal offsets . E-4
Source resistance noise . E-5
Johnson noise equation E-5
Minimizing source resistance noise . E-5
Magnetic fields E-6
Radio frequency interference E-6
Ground loops . E-7
Shielding . E-9
Meter loading E-10
F Temperature Equations
Thermocouple equation . F-2
Thermistor equation F-6
RTD equation . F-7
Introduction . G-2
Bus description G-2
Bus lines . G-4
Data lines G-4
Bus management lines G-5
Handshake lines . G-5
Bus commands G-6
Uniline commands . G-8
Universal multiline commands G-8
Addressed multiline commands . G-9
Address commands G-9
Unaddress commands G-9
Common commands G-10
SCPI commands G-10
Command codes G-10
Typical command sequences G-12
IEEE command groups . G-13
Interface function codes G-14.
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