Keithley 2500, Service Manual

Page: 114 / 121

Index
A
A/D converter 4-6
Aborting calibration steps 2-8
Accuracy calculations A-4
Measurement accuracy A-4
Voltage bias accuracy A-4
Analog circuitry block diagram 4-7
Analog circuitry checks 4-13
Assembly drawings 5-3
B
Bias voltage accuracy limits 1-12
Bias voltage circuits 4-6
C
Calibration 2-1
Calibration commands B-2
Calibration considerations 2-3
Calibration cycle 2-3
Recommended calibration equipment 2-3
Calibration equipment C-2
Calibration errors 2-8
,
B-8
Front panel error reporting 2-8
Remote error reporting 2-8
Calibration menu 2-4
,
2-5
Calibration Program C-1
Calibration Reference B-1
Case cover removal 5-4
Changing the password 2-6
by remote 2-6
from the front panel 2-6
Channel 1 calibration currents and
commands 2-25
Channel 1 current calibration connections 2-16
Channel 1 remote voltage bias calibration
summary 2-23
Channel 1 voltage calibration connections 2-11
Channel 2 calibration currents and
commands 2-27
Channel 2 current calibration connections 2-18
Channel 2 remote voltage bias calibration
summary 2-24
Channel 2 voltage calibration connections 2-13
Command summary B-2
Component layouts 6-3
Computer hardware requirements C-2
Connections for channel 1 bias voltage ve
rification tests 1-11
Connections for channel 1 current verification
tests 1-7
Connections for channel 2 bias voltage
verification tests 1-12
Connections for channel 2 current verification
tests 1-9
Current calibration values 2-15
Current measurement accuracy 1-6
Current measurement circuits 4-6
Current measurement commands B-6
DATA B-6
SENSe B-6
Current measurement verification limits 1-8
D
Detecting calibration errors B-8
Error summary B-8
Generating an SRQ on error B-9
Reading the error queue B-8
Status byte EAV (Error Available) bit B-9
Detecting calibration step completion B-9
Generating an SRQ on calibration
complete B-10
Using the *OPC command B-10
Using the *OPC? query B-9
Digital circuitry checks 4-12
Disassembly 5-1
Display board checks 4-10
Display board circuits 4-10
E
Environmental conditions 2-2
Line power 2-2
Temperature and relative humidity 2-2
Warm-up period 2-2
F
Factory service 6-2
Front panel calibration 2-8
Front panel calibration summary 2-9
Front panel disassembly 5-6
Front panel tests 4-3
CHAR SET test 4-4
DISPLAY PATTERNS test 4-3
KEYS test 4-3