Keithley 194 Instruction Manual page 8

3.21
3.21.1
3.21.2
3.21.3
321.4
3.21.5
3.22
3.22.1
3.22.2
3.22.3
3.22.4
3.22.5
3.22.6
3.22.7
MEASUREMENT CONSIDERATIONS ...
Ground Loops .......................
RF1 .................................
Instrument Loading Effects. ...........
Input Capacitance Effects ......... ...
AC Frequency Response Considerations
TYPICAL APPLICATIONS ..............
Periodic Waveform Analysis ...........
Long Term Measurements .............
Digital Storage Oscilloscope ...........
Dual-Channel V&meter ..............
Catch a Falling Pulse .................
Reducing Noise in the Measured Signal
Mechanical Vibration Testing ..........
SECTION 4-IEEE-488 PROGRAMMING
4.1
4.2
4.3
4.4
4.5
4.6
4.6.1
4.6.2
4.6.3
4.7
4.7.1
4.7.2
4.7.3
4.8
4.8.1
4.8.2
4.8.3
4.8.4
48.5
4.8.6
4.8.7
4.8.8
4.9
4.9.1
4.9.2
4.9.3
4.9.4
4.9.5
4.9.6
4.9.7
4.9.8
4.9.9
4.9.10
4.9.11
4.9.12
4.9.13
4.9.14
4.9.15
14.9.16
4.9.17
4.9.18
4.9.19
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3-43
3-43
3-43
344
3-44
3-45
3-40
3-46
3-47
3.47
3.48
?-4X
3-x
3-5 I
INTRODUCTION ............................................................................. 4-l
A SHORTCUT TO IEEE488 OPERATION .................... ................................. 4-I
BUS CONNECTIONS .........................................................................
1-3
INTERFACE FUNCTION CODES ....................... ................................... ...
J-6
PRIMARY ADDRESS SELECTION .............. ................................... ...... ...
4-h
CONTROLLER PROGRAMMING ........................ ........................ ......... 4-7
LunIrOlier tlanaier
sorrware
............................ ................. ...... ...... .. -t-i
BASIC Interface Programming
Statements. ............... .......... ...... ...... ..........
4-i
Model 8573 Software Configuration ................ .......... ...... ...... ...... ........
4-H
FRONT PANEL ASPECTS OF IEEE-488 OPERATION .. .......... ...... ...... ................. 4-8
Front Panel Error Messages
IEEE-488 Status Indicators
............... .......
........................ 4-N
.....................................
.......... 4-10
IX)CALKey.....................................................................~
..........
4mlU
GENERAL BUS COMMAtiD PROGRAMMING
................
........................
...... &lO
REN(Remote Enable) .......................................................................
4.11
IFC(Interface Clear) ........................................................................ 412
LLO(LocalLockout).............................................................~ ..........
4-12
GTL(GoTo Local) ..........................................................................
4.12
DCL (Device Clear) ......................................................................... 4.13
SDC (Selective Device Clear)
..................................................... ......... 4-14
GET (Group Execute Trigger) ..........
.......... ...... .......... ...... ...... ......... 4-14
Serial Polling (SI'E, SPD) ....
..................................................... ......... 4-15
DEVICE-DEPENDENT COMMAND PROGRAI\?MING
...... .......... ...................... 4-15
Execute (X) ....... ........................................................................
4.20
Function(F) ............................................................................... 4.20
Range(R) .................................................................................. 4-21
Rate(S) ................................................................................... 4.22
Number of Samples(N) .................................................................... 4-22
Trigger Mode (T) ........................................................................... 4-23
Delay(W) .................................................................................
4-25
Data Format(G)
............................................................................
4.26
Analog Output(O) ......................................................................... 4-30
BufferPointer Control(B).....................................................~
.............
4-31
Reading Buffer Control (Q). .......................................................... ......
4-32
Filter(P) ...................................................................................
4.34
Zero (Z) ................................................................................ .. 4-34
Input Coupling(I)
......................................................................
.. 4-35
status (U) ................................................................................. 4-35
SRQ Mode (M) and Status Byte Format ..................................... ................ 4-40
Channel (C) ...............................................................................
4-43
EOI and Bus Hold-off Modes (K) ............................................................
444
Terminator (Y) ................................................................
............
4-45
iii