Keithley 199 User manual

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INTRODUCTION
This quick reference guide contains information on front
panel operation and IEEE-488 programming of the Model
199 SystemoMM as well as the optional Model 1992 Scan-
ner. Also included are programming examples for various
IEEE-488 co”mllers.
01998. Keith& Instruments, Inc.
Cleveland, Ohio, U.S.A.
Document Number: 199-903-01 Rev. A
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CONTENTS
SAFETY PRECAUTIONS.
CONTROL SUMMARY.
DISPLAY MESSAGES.
TRIGGERING. .
DATA STORE.
DMM SETUP .,..
SCANNER OPERATION..
TYPICAL READING TIMES
DEVICE-DEPENDENT COMF
SCANNER PROGRAMMING
DATA FORMAT .
STATUS WORD FORMATS.
SRO MASK AND STATUS E
TRANSLATOR
CONTROLLER PROGRAMS
...........
...........
...........
...........
.._........
JIANDS.....
COMMANDS.
. . . . .
,..... _ . .
IYTE FORMAT.
,*.___ .,....
. .
_
. .
. . . . ., . .
. ~
. _ - . - .
. .,, ,Y,?
. .
. .
..,._..,
. . . i . .- _
. . . . j..
1~
2
5
6
7~
9
19.
15
16
22
24
25
2.9
29
31
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SAFETY PRECAUTIONS
1.Beforeoperation. ground the instrument through a proper-
ly earth grounded power receptacle.
Z&fore servicing. disconnect the instrument from the
power line and all other equipment, and consult the Model
199 Instruction MamaI.
3. Do not touch any terminals while the instrument is turned
on or connected to any other test equipment.
4.Do not exceed the maximum input levels es stated in the
specifications for the instrument bee the Model 199 In-
struction Manuall.
5. Use the special precautions listed in paragraph 2.6 of the
Model 199 Instruction Manual when testing high-energy
circuits.
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CONTROL SUMMARY
TRIG SETUP
SHIFT/TRIG SETUP to enter menu.
NEXT to scroll to next menu option
r
Trigger ‘:’
DELAY c
INTERVAL“C
CONTINUOUS: Reading, scanning. and
storing mtes controlled bY INTERVAL.
ONE SHOT.
Osec to 999.999sec
SELECT OFF: Interval 2175msec.
depending on other programmed
parameters.
SELECT ON: User-programmed interval
mnsec to 999.999sec).
DMM SETUP
SHIFTDMM SETUP to enter menu.
NEXT to scroll to next menu option.
REV Displays current software revision level.
r MUX OFF: Turns off eutocal routines for
faster reading rates.
MUX AIV
L
MUX ON: Recommended for best
*ccur*cy.
IEEE Use nuneric keeysto program IEEE488
primary address (0.30).
2
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FRE(1
SAVE
LEDS
DEBUG
RESET
r FREO=BOHZ. Line frequency.
A/V
L FREQ=GOHZ. Line frequency.
r SAVE YES: saves present
co”fig”ration.
A/V
L SAVE NO
r LEDS ON: Test front panel LEDs and
annunciator*.
A/I
L -LEDS OFFS
r DEBUG YES: Enter troubleshooting
mode.
A/V
L DEBUG NO
L’
RESET YES: Returns Ynit to factory
default configuration.
Lo RESET NO
SCAN SETUP
SHIFT/SCAN SETUP to enter menu.
NEXT to scroll to next menu option.
POLE 2 POLE
.:. L 4POLE
3
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Mode r MANUAL: Allows channel to be
manua,,y closed with SCANNER key.
A/V-STEP: Increments one channel per in-
L terval p’ trigger.
SCAN. Scans one set of channels per
interval or trigger fminimum time abet-
ween channels).
r ON: Channels 2 through 8 referenced
to channel 1.
RATIO A/V
I- OFF
l Ratio operates only on a fixed ange.
* Range changes will restart et channel 1.
* In MANUAL, et least one reading must be taken on chan-
nel 1 before attempting to display ratio on channels 2-S
4
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DISPLAY MESSAGES
Message / Description
I
OVERFL
NO RANGE
NO FUNC
SHIFT
AC ONLY
TRIGGER
OVERRUN
INTERVAL
OVERRUN
UNCAL
NO DATA
Overrange
NO SCANNER
CAL LOCKED
Pressing range button while in dB
Invalid shifted function entry.
Shift mode in effect.
Selecting dB with unit not in AC.
Unit triggered before reading is
done.
Interval too short for present con-
figuration.
EEPROM failure uoon Dower UD.-
No data in data store when
recalling.
Pressing SCANNER or SCAN SETUP
with no scanner.
Attempting calibration with calibra-
tion locked.
CHAN 4 MAX Channel 4 limit (Cpole)
CHAN 8 MAX Channel 8 limit IZ-pole1
CONFLICT Invalid state when calibrating.
NO REMOTE* Unit not in remote when program-
IDDC”
IDDCO’
ming over bus.
Illegal device-dependent command.
Illegal device-dependent command
cotion.
BIG STRING’ Siring longer than 10 characters
with D command.
TRANSERR’ Translator error.
‘IEEE-488 bus programming only.
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TRIGGERING
1. Press SHIFT TRIG SETUP then uprange or downrange
to select CONTINUOUS trigger made.
2. Press NEXT and then program desired trigger delay (delay
affects only first reading in continuowJ.
3. ~PressNEXT and then use uprangeldownrange for SELECT
OFF (175msecI or user-progammed (SELECT ON). Key
in interval fl!Smsec-999.999sec) if selected, then press
NEXT.
4. Unit displays readings at programmed intervals. “INTER-
VAL OVERRUN” message indicates programmed inter-
val is too short for present instrument configuration (with
data store or scanner only,.
One Shot
1. Press SHIFT TRIG SETUP~then uprange or downrange
to select ONE SHOT trigger mode
2. Press NEXT, and then program desired trigger delay (delay
affects each reading in one shot).
3. Press NEXT to return to normal display.
4. Press TRIGGER or apply pulse to TRIGGER INPUT to in-
itiate reading. One trigger per reading is required in one
shot
6
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DATA STORE
Continuous Data Storage
1.Program the continuous trigger mode and desired interwl
using TRIG SETUP.
2,Press SHIFT STORE to enter data store..
3,Program the number of readings to store Isize) in the
range of 1 to 500. or select a size of 000 for wrap-amund
data store operation.
4.Press NEXT to return to normal display.
S.Press TRJGGER to initiate data storage. RCL will blink
when all readings have been stored.
6. Press any function button to turn off data store.
One-shot Data Storage
1.Program the one-shot trigger mode using TRIG SETUP.
2,Press SHJFT STORE to enter data store.
S.Pmgram the number of readings (size1 in the range of 1
to 500. or select a size of 000 for wrawxound storage.
4.~Press NEXT to return to normal display.
5.Press TRIGGER to trigger reading and store it One trig-
ger per reading is required in the one-shot trigger mode
G.RCL will flash when all readings have been stored.
7.Press a function key to cancel data storage.
7
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