Keithley 6221 User Manual

D
Data and stop bits 10-25
Data elements 13-7
Data flow 5-13, 5-14
Data lines C-5
DCL (device clear) 10-23
DDC emulation commands 15-2
DDC language 10-3
Default settings 1-24, 1-26
Delta 5-2, 5-20
Arming process 5-24
Configuration 5-24
Measurement technique 5-21
Measurement units 5-23
Operation 5-27
Setup commands 5-30
Triggering sequence 5-25
Differential Conductance 5-2, 5-51
Arming process 5-56
Average Voltage 5-54
Calculations 5-53
Configuration 5-55
Measurement process 5-51
Measurement units 5-54
Operation 5-59
Power 5-54
Setup commands 5-64
Triggering sequence 5-58
Digital 9-5, 9-6
Disabling front panel 1-17
Display commands 13-2
DUT test connections
Guarding 5-8
E
Editing 1-20
Compliance 1-20
Source 1-20
Enable registers 11-5
Error and status messages 1-24, 10-24
Error codes (delta) 5-18
Error messages B-2
Error queue 11-20
Ethernet
Connections 10-31
Settings 10-33
Standards 10-29
Status LEDs 10-32
Ethernet (6221) 5-7
Ethernet systems 10-29
Event detectors 8-5
Event registers 11-18
F
Features 1-2
Floating connections 2-19
Floating the current source 2-13
Flow control, RS-232 (signal
handshaking) 10-26
Frequency variable resistor (FVR) 2-3
Front panel GPIB operation 10-24
Front panel summaries 1-7
Functionality verification
Calculating limits 16-4, 17-4
Environmental conditions 16-3, 17-3
Line power setting 16-3, 17-3
Recommended test equipment 16-4, 17-4
Test considerations 16-5, 17-5
Warm-up period 16-3, 17-3
Fuse replacement 1-15
G
General IEEE-488 bus commands 10-22
GET (group execute trigger) 10-23
Getting Started 4-1, 7-1, 8-1, 9-1, 10-1,
16-1, 17-1
GPIB adapter 1-6
GPIB cables 1-5
GPIB interface 10-2, 10-4
GPIB status indicators 10-24
Ground points 2-3
GTL (go to local) 10-23
GUARD banana jack 2-3
Guarded mounting plate 2-11
Guarding 5-10
Guards 2-8, 2-16
H
Handshake lines C-5
Handshake sequence C-6
Heat sink 1-12
I
Idle and initiate 8-4
IEEE-488 5-7
Connector 10-19, 10-31
IEEE-488 bus overview C-1
IEEE-488 documentation requirements D-2
IEEE-754 double precision format 13-6
IEEE-754 single precision format 13-5
IFC (interface clear) 10-22
Input cables 1-5
Inspection 1-4
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com

Keithley 6221 Specifications

General

Interface	GPIB, RS-232
Communication Interface	GPIB, RS-232
Current Sourcing Accuracy	±(0.03% of output + 20 pA)
Current Sinking Accuracy	±(0.03% of output + 20 pA)
Output Resolution	100 fA
Output Accuracy	±(0.03% of output + 20 pA)
Power Requirements	100 V to 240 V AC, 50/60 Hz