Service Manuals, User Guides, Schematic Diagrams or docs for : Keithley 196 196_903_01A
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INTRODUCTION ,.
This reference guide contains
and~programming condensed
TABLE OF CONTENTS
CONDENSE,, SPECIFICATIONS ................. 3
MODEL 196 FEATURES ..................... lo-16
FRONT PANEL PROGAAMS................. 17-23
FRONT PANEL TRIGGERING ................
IEEE-438 PROGRAMMlNG.................. 29-39
TRANSLATOR SOFTWARE ................. 40-44
PROGRAMS
...............
CONDENSED SPECIFICATIONS
DC VOLTS
GH-Digit Accuracy
i(%rdg + counts)
Range 1 Year, 18 -28~C
300mV b,00* ~~+ I&'
3: ", 0.008
0.0038 + 30
* 20
300 V 0.009 $ 30~
`When properly zeroed.
dB (Ref. = IV)
Aecumcy
1 Year, 190 -28cC
Input ZDHz-20kHz 2OkHz-1OOkM
-34 to 49dB
12omv to 3oow 0.2 0.4
- 54 to -34dB
(2mV to zomw 1.1 3'
' Typical
OHMS
6YeDigti Accuracy
+(%rdg +~ counts)
Range 1 Year, 18" -28OC
300 0' 0.010 + 202
3 kQ' 0.007 + 20
30 kB' 0.007 f 20
300 kiI 0.021 + 20
3MR 0.021 +-20
30MO 0.1 + 50
3ODMG' 2.0 + 5
`4.terminal ?mmacy, 3C!QR-3OkQ range.
z When properly zeroed.
CONFIGURATION: Automatic 2- or 4-wiw. Offset cornpen-
Sation available an 30061-30kfiranges. Allowable compen-
sation of *lOmV on 3OGll range and f100mV on 3m and
3cw ranges.
OPEN CIRCUIT VOLTAGE: 5SV maximum.
4
DC AMPS
WeDigit Accuracy
&(#rdg + counts) Maximum Voltage
1 Year, 180 -29QC Burden
0.09 + 20 0.4v
0.05 + IO 0.4"
0.05 + 10 0.4"
0.05 * 10 0.5v
0.09 + 10 2v
TRMS AC AMPS
S'h-Digit Accuracy
+wdg +`counts)
1 Year, w-29W' Maximum Voltage
Range ZOHz-45Hz 45Hz-1OkHz Burden
300 fi 2 + 100 0.9 +`~100 0.4v
3mA 2 + 100 0.6 + 100 0.4v
30mA 2 + 100 0.6 + 100 D.4V
300mA 2 + 100 0.6. + 100 0.6"
3 A 2 + 100 0.6 + 100 2V
LFor sinewave inputs above 2000 co~ulnts
RESPONSE: True root mean square, AC coupled.
NON-SINUSODIAL INPUTS: Specified accuracy for
fundamental frequencies ~_.""i.._.
mecute
X = Execute other device-dependent com(nayds.
Function ,~ ,.,,
FD = DC "Oks
Ft = AC "olts
FZ = Ohms
F3 = DC cwrent
F4 = AC current
F5 = ACV dB
F6 = ACA dB
F7 = Offset compensated ohms :
Range
-
Dcv Acv PC4 ,,
RO = A"to AIltO Auto
R1 = 3OOmV 300mV 300 pA
R2= 3v 3V 3rnA
R3 = 30 " 30mV 30mA 30mA
al = 300 v 300 " 3OOmA 300mA
~R5 = 300 V 300 v 3A 3A
R6 = 300 V 300 V 3A 3A
R7 = 300 v 300 V 3 A 3A
~,~,. I
28
Range (cont.)
offset
Compensated
Ohms AC', dB ACA dB Ohms
RO = Auto Auto AUtO ALIt0
Rf = 300 a .4"utO Au*0 ~300 a
R2 = 3 klI A"to A"tO 3 k%I
R3 = 30 kG Auto AlltO 30 kQ
R4 = 300 kfl AlIt0 Auto 30 kO
R5 = 3MO Allto A"to 30 kfl
RS = 30Mn Auto A"to 30 kO
R7 = 300MO A"fo A"to 30 klI
PO = Filter disabled
Pn = Filter on with a value of n Ln = 1 to 99)
29
_.~:.._
%d,Rl-R4l 5'/id 5x* 5yzd
%dlR5-R71
YzdWWW 5Xd 5'hd 5Xd
5%dW-R7J
S2 = 5Md 5%d 5%d 5%d
S3 = WM';p"' 5Kd 5%d 6%d
! Integration period: 3%d=31Spec, 4Kd=2Sgmsec,
1 5%d and G%d=Line cycle
lklgger Mode ,,.
TO = Continuous on I-&
Tl = One-shot on Taik
TZ = Continuous on GET
T3 = One-shot on GET
T4 = Continuous on X
T5 = One.shot on X
T6 = Continuous on External Eigger
1T7 = One-shot an External Trigger
,,.,,,, ~~ .~,
,.,
Reading Mode
80 = Readings from AiD converter
BT = Readings from data store
,, : ,,.
Oata Store Size
IO = Continuous data store mode
In = Data *tore Of n h= I to 500)
30
Calibration
CO = Calibrates first point using value WI
Cl = Calibrate second wint using value IV1
Default Conditions
LO =~~
Restore factory default conditions.
Ll = Store present machine status as default
I conditions I
Data Format
GO = Reading with prefixes.
Gl = Reading without prefixes.
f G2 = Buffer readings with prefixes and buffer
locations.
G3 = Buffer readings without prefixes and with bof-
fer locations.
* G4 = Buffer readings with prefixes and without buf-
fer locations.
G5 = Buffer readings without prefixes and without
buffer locations.
31
SRQ
MO = Disable
Ml = Readingoverflow
M2 = Data state full
An4 = Data store halt full
MS = Reading done
Iv?16 = Ready
M32 = Error
KO = Enable EOI and bus hold-off on X
Kl = Disable EOI. enable bus hold-off on X
K2 = Enable EOI, disable bus hold-off on X
K3 = Disable both EOI and bus hold-off on X
.,,,,.,,,,
i" ,,,,,,.,: .,,,...., ,:,,
Terminator
YO = CR LF
Yl = LF CR
Y2 = CR
Y3 = LF
UO = Send machine starus word
Ul = Send error conditions
U2 = Send Translator word
"3 = Send buffer size
U4 = Send average reading in buffer
U5 = Send lowest reading in buffer
U6 = Send highest reading in buffer
Vi' = Send cwient value
U8 = Send input switch status Wronthaarl
32
A0 = Auto/Cal Multiplexer disabled
Al = Auto/Cal Multiplexer enabled
Wn = n=delay period in milliseconds, (Omsec to
60000msec)
,.,,.., .,~..
Self-test
JO = Test. ROM, RAM, E'PROM
Hn = Hit front panel button number n
Da = Display up to 10 character message
Internal Filter
NO = Internal filter off
Nl = fntemal filter on
33
,, ~~1.
Mode Commfll j Status
Multiplex Al I Enabled~
Reading SO A/D mnwmer
Funcrion FO DC Volts
Data Format GO Send prefix with
reading
Self-test JO Clear
EOI KO Enable EOI and bus
hold-off on X
SR(1 MO Disabled
Internal Filter Nl
Digital Filter PO
Data Store Interval QO One-shot into buffer
Data Store Size I1
Range R4 Depends on function
Rate s3 Depends on function
Trigger T6
_
34
BUS ERROR MESSAGES
.,
Message / Description
NO REMOTE ) instrument programmed with REN
lDDC illegal Device-deqendent Commaod
IDDCO Illegal Device-dependent Command
Option
TRIG ERROR instrument triggered while it is still
processing a previous trigger.
SHOW TIME Instrument cannot store readings at
programmed interval. Readings will
be stored as fast as the instrument
can W".
SIG STRING Programmed display message ex-
ceeds 10 characters.
CAL LOCKED Calibration command sent with
calibration switch in the disable
position.
CONFLICT Data storage--l"str"ment cannot
store readings at a high speed inter-
val II to 14msect while in an invalid
state Storage will not OCC",.
Calibration-Calibration command is
ignored when instrument is in an in-
valid state lie., dS functionl.
35
b:
OCV=DC VOLT,S
ACV=AC VOLTS
OHM=OWlS
oCI=oC AMPS
ACI-AC AMPS,
dBV=AC dB VOLTS
dEI=AC dB AMPS
`NONE = DATA STORE EMPTY
SERIAL POLL BYTE
(Status Byte)
STATUS WORDS
MACHINE STATUS ("0)
I I
ERROR STATUS (01)
TRANSLATOR SOFTWARE
RESERVED WORDS AND CHARACTERS
WordlCharacterl Description
ALIAS Used at the beginning of a com-
mand String to define Translator
words.
Used to terminate the Translator
string (one space must precede it).
$ Used to define wild card Translator
words. Values sent with a wild
card Translator word select options
of the equivalent DDC.
NEW Tells the Model 196 to recognize
Translator words.
OLD Tells the Model 1% to only
recognize the Keithley device-
dependent commands.
SAVE Saves Translator words as power
up default.
LIST Used to list the Translator words.
FORGET Used to purge Translator words
from memorv.
The basic format for defining a Xanslator word is shown
in the following example command string, which defines
the word SETUP 1 as a substitute for FIROX.
"ALIAS SETUP, FlROX ;"
40
WILD CARD ($) TRANSLATOR WORD5
By using the reserved character 5. the same basic Translator
word can be used to select all cations of a command. With
this feature. a DDC option number is sent with the lianslator
word. The following example shows the format for defin-
ing a wild card Translator word:
`ALIAS FUNCTION FSX ;"
In the example, the wild card Translatm word FUNCTION
replaces the F command. Instrument functions are selected
by sending the FUNCTION command with the appropriate
option number over the bus.
COMBINING TRANSLATOR WORDS
The format for combining Translator words to form a new
Translator word is shown in the following example, which
combines the words SETUP1 and SETUP2 to form the
Translator word SETUP3.
"ALIAS SETUP3 NEW SETUP1 NEW SETUP.2 ;"
COMBINING TRANSLATOR WORDS WITH KEITHLEY
IEEE-488 COMMANDS
The format for combining a Translator word with Keithley
IEEE commands is shown in the following example, which
combines the Translator word SETUP1 with the Keithley
command string PlZlX to form the Translator word SETUP4.
`ALIAS SETUP4 NEW SETUP1 PlZlX ;))
41
EXECUTING TRANSLATOR WORDS AND KEITHLEY
COMMANDS
Translator words can only be executed with the instrument
in the NEW mode. Sending the reserved word NEW over
the bus places the instrument in the NEW mode. The for-
mats for placing the instrument in the NEW made and for
executing the Translator word SETUPl, is shown as follows:
"NEW"
"SETUPI"
The reserved word ALIAS automatically puts the instrument
in the NEW mode.
Sending wild card Translator words over the bus is as
follows:
"NEW"
"FUNCTION 1"
With FUNCTION being the wild card Translator word for the
F command, the second statement will place the instrument
in the ACV function IFl). Notice that a space must be in-
cluded between the wild card Translator word the option
number.
Translator words and Keithley IEEE commands can be et+
ecuted in the same command string. The following exam-
ple executes the commands of SETUP, and PlZ,X.
"SETUP1 PlZlX"
42
When executing a Xanslator word that was formed from
the combination of two or more wild card Translator Words,
a" option "umber se"? with the word will only apply to the
first wild card word in the combined string. For example,
assume the Translator word TEST was formed from the
combination of the wild card Translqtor words FUNCTION
and RANGE as show":
"ALIAS TEST NEW FUNCTION NEW RANGE :"
Sending TEST 1 over the bus will place the instrument in
ACV (Fll. RANGE will default to 0 kwtorangel.
43
Translator Error Messages
Display
"^^^^__ C"..l_.._.l__ C___I_ c_-_ ^._/__
PROGRAMS
The following programs are designed to be a simple aid to
the user. They are not intended to suit specific needs. De-
tailed programming information can be found in the manual.
The fint program demonstrates how to store and read the
contents of the buffer (data store) using the HP-85 com-
puter. One hundred readings stored in the buffer will be
displayed,
The rest of the programs display one reading at the output
of the controller. Each program provides an ASCII string
variable outp"t of the form:
NDC" f O.OOOOOOE + 0 CR LF
The note et the end of some programs indicates modifica-
tions to provide a numeric variable in exponential form:
*O.o00000E + 0
45
DATA STORE OPERATION
USING HP-85
The following program will enable data store (buffer) opera-
tion and obtain and display 100 readings on the computer
CRT
DIRECTIONS
1. Using front panel Program 31, set the primary address
on the Model 196 to 7.
2. Connect the Model 196tothe HP82937A IEEEinterface.
3. Enter the following program using the END LINE key after
each line is typed.
4. Press the HP-85 run key. The program will enable the~buf-
fer. turn on the buffer ~"tput, and request and display
100 readings.
PROGRAM FJ.MMENTs ,.,
Send remote enable
Set trigger mode, and
&rage parameters.
start storage process.
Set read mode to data
store
set CO"rlter for 100 loops
Get a reading.
Display reading.
Loop back for next reading.
46
IBM PC or XT
(Keithley Model 8573A Interface)
The following program sends a command string to the
Model 196 from an IBM PC or XT computer and displays
the instrument reading string an the CRT The computer
must be equipped with the Keithley Model 957% IEEE-486
interface and the DOS 2.00 operating system. Model
S573A software must be installed and configured as
described in the instruction manual.
DIRECTIONS
1. Using the front panel program feature, set the primary
address of the Model 196 to 7.
2 With the power off, connect the Model 196 to the
IEEE-488 interface installed in the IBM computer.
3. Type in BASICA on the computer keyboard to get into
the IBM interpretive BASIC language
4. Place the interface software disk in the default drive, type
1OAD"DECC: and press the return key.
5. Add the lines below to line l-6 which are now in memory.
Modify the address in lines 1 and 2, as described in the
Model B573A Instruction Manual.
6. Run the program and type in the desired command string.
For example, to place the instrument in the ACV func-
tion and autorange. type in FlROX and press the return
key.
7. The instrument reading string will then appear on the
display. For example. the display might show
NDCV+O.OOWlOOE+O.
9. To exit the~program. type in EXIT at the command prompt
and press the return key.
47
PROGRAM COMMENTS
Set REN true.
Prompt for command.
See if program is to be
halted.
Check for null input.
Address 196 to listen, send
srnng.
Define reading input buffer.
48
APPLE II
(APPLE II IEEE-488 Interface)
The following program sends a command string to the
Model 196 from an Apple II computer and displays the in-
strument reading string on the computer CRT,
The compufer must be equipped with the Apple II IEEE-488
interface installed in slot 3.
DIRECTIONS
1. Using the front panel program feature, set the primary
address of the Model 196 to 7.
2. With the power off. connect the Model 196 to the
IEEE-488 interface installed in the Apple II computer.
3. Enter the lines in the program below. using the RETURN
key after each line
4. Run the program and type in the desired command string
at the command prompt. For example, to place the in-
strument in ACV and autorange. type in FIROX and press
the return key.
5. The instrument reading string will then appear on the
CRT. A typical display is: NDCV+O.OOOOOOE+O.
49
PROGRAM COMMENTS -.-
Terminator
Prompt for and enter
command string.
Set output to IEEE-488 bus.
Define input fmm IEEE-488
b"S.
Enable remote.
Addreis 196 to listen, send
string.
Line feed on.
Address 196 to talk, input
data.
Untalk the 196.
Define ourput to CRT.
Define input from keyboard.
Display reading string.
_
1.If conversion to numedc variable is required, make the
following changes:
2. The Apple II terminates on commas in the data string.
To avoid problems. program the Model 196 for the BOG0
or BOG1 data format to eliminate commas.
50
HP-85
The following program sends a command string to the
Model 196 from an HP-65 computer and displays the in-
strument reading on the computer CRT;The computer mwt
be equipped with the HP82937 GPIB interface and an l/O
ROM.
DIRECTIONS
1. Using the front panel program feature, set the primary
address of the Model 1% to 7.
2. With the power off, connect the Model 196 to the
HP62937A GPIB interface installed in the HP-65
computer.
3. Enter the lines in the program below. using the END LINE
key after each line.
4. Press the HP-85 RUN key and type in the desired com-
mand string at the command prompt. For example, to
~place the insrrumenr in AC" and autorange, type in
FlROX and press the END LINE key.
6. The instrument reading string will then appear on the
CRT. A typical display is: NDCV+O.OOOOOOE+0.
51
PROGRAM COMMENTS `.~
NOTE: for conversion to numeric variable, change line 70
as follows:
52
HP-9816
The following program sends a command string to the
Model 196 from a HP-9816 computer and displays the in-
strument readina strinp on the comwter CRT. The com-
puter must be &p&with the HP62937 GPIB interface
and BASIC 2.0.
DIRECTIONS
1. Using the front panel program feature, set the primary
address of the Model 196 to 7.
2. With the power off, connect the Model 196 to the
HP82937A GPIB interface installed in the 9816 computer.
3. Type EDIT and press the EXEC key.
4. Enter the lines in the program below, using the ENTER
key after each line.
5. Press the 9816 RUN key and type in the desired com-
mand string at the command prompt. For example, to
place the instrument in ACV and autqrange, type in
FlROX and press the ENTER key.
6. The instrument reading string will then appear on the
CRT. A typical display is NDCV+O.OOOOOOE+O.
53
PROGRAM CWMEWS ,, ..,,.,,,.. .,,
54
HP-9825A
Use the following program to send a command string to
the Model 196 from a HP-9825A and display the in*tru-
ment reading string on the computer printer. The cornpurer
must be equipped with theHP98034A GP18 interface and
a 9872A extended I/O ROM.
DIRECTIONS
1. From the front panel, set rhe primary address of the Model
196 to 7.
2.With the power off, connect the Model 196 to the
99034A HPIB interface installed in the 9825A.
3.Enter the lines in the program below, using the STORE
key after each line. Line numbers are automatically
assigned by the 9825A.
4.Press the 9925A RUN key and type in the desired com-
mand string at the command prompt. For example, to
place the instrument in AC%!and autorange, type in FIROX
and press the CONT key.
5.The instrument reading string will then appear on the
computer print out. A typical display is:
NDCV+O.OOOOOOE+O.
55
PROGRAM COf+ZNTS ,,,
string.
Address 196 to listen, send
string.
Address 196 to talk, input
data.
6 PRTIM Print data string on printer.
7 GTO3 Repeat.
56
DEC LSI 11
The following program sends a command string *o the
Model 196 from a DEC LSI 11 minicomputer and displays
the instrument reading string on the DEC CRT terminal. The
LSI 11 mwt be configured with 16K words orRAM and an
IBV 11 IEEE-488 interface. The software must be configured
with the IB software as well as FORTRAN and the RT 11
operating system.
DIRECTIONS
1. Using the front panel program feature, set the primary
address of the Model 196 to 7.
2.With the power off, connect the Model 196 to the IBV
11 IEEE-488 interface cable.
3.Enter the program below. using the editor under RT 11
and the name IEEEFOR.
4.Compile using the FORTRAN compiler as follows:
FORTRAN IEEE.
S.Link with the system and IB libraries as fallows: LINK
IEEE,IBLIB.
&Type RUN IEEE and press the RETURN key.
7.The display will read "ENTER ADDRESS'!
8.Type in 7 and press the RETURN key.
S.The display will read "TEST SETUP':
lO.Twe in the desired command strina and mess the
RETURN key. For example, to program the i&trument
for ACV and autorange, type in FlROX and press
RETURN.
11. The instrument data string will appear on the computer
display. A typical display is: NDCV+O.OOOOOO+E.
57
Prompt for com-
mand string.
Program
instrument.
Address 196 to
listen. send
string.
Get data from
Untalk the 196,
Repeat.
58
PET/CBM 2001
The following program sends command strings to the Model
196 from a PETKBM 2001 computer and displays the in.
strument reading string on the computer CRT. As the
PEVCEM computer has a standard IEEE-486 interface, no
additional equipment is necessary.
DIRECTIONS
1. Using the from panel program feature, set the primary
address of the Model 196 to 7.
2. With the power off. connect the Model 196 to the
PET,CBM IEEE-488 interface.
3. Enter the lines of tha program below, using theRETURN
key after each line is typed.
4. Type RUN and ~pressthe RETURN key. Type in the desired
command string at the command prompt. For example,
to place the instrument in ACV and autorange, type in
FIROX and press the RETURN key.
6. The instrument reading string will then appear on the
CRT. A typical display is: NDCV+O.O00000+EO.
59
PROGRAM COMMENTS .,
Open file 1. primary ad-
dress 7.
20 INPU~"CONEl*NDSTRING' 7 Prompt for input corn-
iBI "and string.
~BPEI~T#I,BI; Address 196 to listen.
Send string.
43 IHPIIT#1,RB Address 196 to tak, in-
put data.
50 IF ST=2 MEN 413 If bus timeout, input
again.
60 PRINTCII Display reading string.
78 GOT0 29 ,,RePeat.~ ,,,
NOTES:
1. If conversion to numeric variable is required, modify the
2. The PET terminates on commas in the data string. To
avoid problems, program the Model 196 for the BOG0 or
BOG1 data format TO eliminate commas.
60
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